KR20190087799A - Novel Compounds, preparation method thereof, and pharmaceutical composition for use in preventing or treating Neuroblastoma containing the same as an active ingredient - Google Patents

Abstract

The present invention relates to a novel compound, a process for its production, and a pharmaceutical composition for preventing or treating neuroblastoma containing the same as an active ingredient. The novel compound according to the present invention is useful as a histone deacetylation (HDAC) Can be selectively inhibited at a concentration of nano-mol or micromolar unit, and the proliferation inhibition and cell killing effect of neuroblastoma can be excellently confirmed, and a pharmaceutical composition for preventing or treating neuroblastoma containing the same as an active ingredient There is a beneficial effect that can be provided.

Description

TECHNICAL FIELD [0001] The present invention relates to a novel compound, a process for producing the same, and a pharmaceutical composition for preventing or treating neuroblastoma containing the same as an active ingredient.

The present invention relates to a novel compound, a process for producing the same, and a pharmaceutical composition for preventing or treating neuroblastoma containing the same as an active ingredient.

Neuroblastoma (Neuroblastoma) is the most common malignant tumor in childhood and is a rare disease that occurs mainly during infancy. It occurs in the sympathetic ganglion neuroblastoma. Any sympathetic nerve can develop in any site. The most common is the abdomen (70%) and the chest (20%). In the United States, there are 700 neuroblastomas in 2014, of which more than 90% are under 5 years of age (American Cancer Society). Two-thirds of these patients are found after metastasis of neuroblastoma to other sites, with a long-term survival rate of less than 40%, and often show resistance to conventional anticancer drugs. It is estimated that about 1,500 patients are present every year in EU countries, and about 50% of them are diagnosed at high risk.

In Korea, the proportion of neuroblastoma in 70% of childhood cancer patients in Korea is estimated to be 7% in 2013 (published in 2015 by the Ministry of Health and Welfare).

The primary treatment for neuroblastoma is cisplatin, doxorubicin, vincristine, cyclophosphamide, etoposide, rinotecan, temozolomide, (Non-Patent Document 1), immune cell therapy such as Anti-GD2 antibody therapy or Immunocell-LC immunotherapy is used. However, in the case of immunotherapy, , There is still no target treatment for neuroblastoma. As a result, the existing anticancer chemotherapy is applied to the child and the immune function is weakened due to dehydration, vomiting, diarrhea and constipation, hair loss and leukocytopia, fatigue due to erythropoiesis, dizziness, Pale and other complications are serious and besides the frequent side effects in the application of anticancer drugs, Also sensitization or dry skin due to the high doses of vitamin A or the IL-2 used there occurs frequently an urgent situation, development of new anticancer drugs for neuroblastoma.

Meanwhile, histone deacetylase (Histone deacetylase) is an enzyme that regulates the balance between acetylation and deacetylation of histone and non-histone proteins by promoting the hydrolysis of the ε-amide bond of lysine residues. And plays an important role in maintaining homeostasis of cells. Overexpression of HDAC in various neuroblastoma cells leads to the inhibition of the important growth inhibitory gene and has a mechanism to promote neuroblastoma cell proliferation. Therefore, HDAC has been actively developed as an important drug target for development of an anticancer drug.

Currently, many HDAC inhibitors have been reported for anticancer purposes and are under clinical development. To date, four HDAC inhibitors (Vorinostat, Belinostat, Panobinostat and Romidepsin) have been approved by the FDA for use in skin T cell lymphoma (CTCL) and peripheral T cell lymphoma (PTCL), and about 20 promising HDAC inhibitors have been identified in various neuroblastomas , But it has been shown to cause many side effects, including fatigue, nausea, vomiting and cardiac toxicity, in most HDAC inhibitors. It is reported that this is due to the lack of HDAC isozyme selectivity, and it is required to develop a selective inhibitor to solve this problem.

In addition, in association with the treatment of neuroblastoma, various treatments have been reported in which HDAC 8 is inhibited, particularly HDAC 8, and the treatment is achieved in the most efficient direction while reducing side effects (Non-Patent Document 2). However, the development of HDAC selective inhibitors is at an early stage, and the development of HDAC 8 selective inhibitors has not been reported.

Accordingly, the inventors of the present invention have developed a new HDAC inhibitor having improved drug efficacy and selectivity for the purpose of providing a therapeutic agent for neuroblastoma, and the novel HDAC inhibitor according to the present invention selectively targets HDAC 8, And it can be used as a pharmaceutical composition for preventing or treating neuroblastoma. Thus, the present invention has been completed.

Cancer Letters 364 (2015) 142-155 Cell Death Dis. 2015 Feb 19; 6: e1657. Leukemia 22, 1026-1034 (2008)

It is an object of the present invention to provide a novel compound as a component capable of exhibiting the effect of preventing, ameliorating or treating neuroblastoma.

It is another object of the present invention to provide a process for preparing the novel compounds.

It is still another object of the present invention to provide a pharmaceutical composition for preventing or treating neuroblastoma containing the novel compound as an active ingredient.

Another object of the present invention is to provide a health functional food composition for preventing or ameliorating a neuroblastoma containing the novel compound as an active ingredient.

In order to achieve the above object,

The present invention provides a compound represented by the following formula (1), a stereoisomer thereof, or a pharmaceutically acceptable salt thereof.

[Chemical Formula 1]

In Formula 1,

R ¹ is allyl, unsubstituted or substituted benzyl, or unsubstituted or substituted phenyl,

Wherein said substituted phenyl and substituted benzyl are independently selected from the group consisting of hydroxy, amine, nitro, cyano, halogen, allyl, unsubstituted or substituted C _1-5 straight or branched chain alkyl, and unsubstituted or substituted and the C is one or more substituents selected from the group consisting of a straight or branched chain alkoxy of _{1 to 5} may be substituted,

Wherein said substituted alkyl and substituted alkoxy can be independently substituted with one or more substituents selected from the group consisting of a hydroxy group, a halogen, an amine, a nitro, and a cyano;

R ² is an unsubstituted or substituted C _2-6 straight or branched chain alkenyl, unsubstituted or substituted C _1-5 straight or branched chain alkyl, unsubstituted or substituted C _1-5 straight or branched Alkoxy, or unsubstituted or substituted C _1-3 alkyl C _6-10 aryl,

Wherein said substituted alkenyl, substituted alkyl, substituted alkoxy and substituted alkylaryl are independently selected from the group consisting of hydroxy, halogen, amine, nitro, cyano, unsubstituted or substituted C _1-3 straight or branched Alkyl and unsubstituted or substituted C < 1 > ₃ straight or branched alkoxy.

The present invention also relates to a process for producing a compound represented by the formula (1)

A step of preparing a compound represented by the formula (3) from the compound represented by the formula (2) (step 1);

Preparing a compound represented by the formula (4) from the compound represented by the formula (3) prepared in the step (1) (step 2);

Reacting the compound represented by the formula (4) prepared in the step 2 with p-TolSO ₂ SR ² (para-toluenesulfonyl-SR ² ) to prepare a compound represented by the formula (5) (step 3); And

And a step of preparing a compound represented by the formula (1) from the compound represented by the formula (5) prepared in the above step (3).

[Reaction Scheme 1]

In the above Reaction Scheme 1,

Wherein R ¹ and R ² are independently as defined in the above formula (1).

Further, the present invention provides a pharmaceutical composition for preventing or treating a neuroblastoma containing the compound represented by the above-mentioned formula (1), its stereoisomer or its pharmaceutically acceptable salt as an active ingredient.

The present invention also provides a health functional food composition for preventing or ameliorating a neuroblastoma containing the compound represented by Formula 1, a stereoisomer thereof, or a pharmaceutically acceptable salt thereof as an active ingredient.

The novel compounds according to the present invention are capable of selectively inhibiting histone deacetylated (HDAC) enzymes, especially HDAC 8, in nanomolar or micromolar concentrations, and are capable of inhibiting proliferation and cell death of neuroblastoma , There is a useful effect that can be provided as a pharmaceutical composition for preventing or treating neuroblastoma containing the same as an active ingredient.

Figure 1 shows the cytotoxic effect of each vehicle, SAHA (positive control), and Example compound on human neuroblastoma cell line, showing (A) the time course for in vitro cytotoxicity analysis using CCK-8 reagent Procedure; (B) IMR32, (C) SK-N-MC, (D) SH-SY5Y, (E) SK-N-SH and (F) BE (2) -C neuroblastoma cell lines. Inhibitory activity is shown as a graph in which cell viability is analyzed. Each neuroblastoma cell was treated with vehicle, SAHA (positive control), 5 μM of example compound for 48 hours, and CCK-8 assay was performed to determine cell viability.
Figure 2 shows in vitro fluorescence imaging of the cytotoxic effect of Example 49 on BE (2) -C / Luc2 cells, showing (A) time course procedures for in vitro cytotoxicity analysis using bioluminescence imaging Lt; / RTI &gt; (B) a photograph showing an in vitro bioluminescence image showing the dose-dependent proliferation inhibitory effect of Example 49 on BE (2) -C / Luc2 cells; (C) Bioluminescence imaging quantified and plotted. Here, each data is expressed as mean SD. * P < 0.05, *** P < 0.0001.
Figure 3 is a graph showing the BE (2) -C cells for assessing the acetylation levels of precursor lysine, histone H3, histone H4, tubulin and SMC3 in BE (2) -C cells after treatment with Example 49 After treatment with SAHA (5 [mu] M), PCI34051 (5 [mu] M) and Example 49 (2.5 [mu] M and 5 [mu] M) for 48 hours, whole proteins were immunoblotted and analyzed. Actin is provided as a loading control.
Figure 4 shows the antitumor effect of Example 49 in an BE (2) -C heterologous transplantation model, showing (A) time course for in vivo treatment and detection of tumor mass by prognosis and promotion When possible, treatment was performed. (B) Weight change of nude mouse during treatment. mpk represents mg per kg. (C) Example 49 A graph showing the tumor growth inhibitory effect after oral administration. (D) Tumor weight after treatment. Each data is expressed as mean SD. * P &lt; 0.05.

Hereinafter, the present invention will be described in detail.

The following description is provided to assist the understanding of the invention, and the present invention is not limited to the following description.

The present invention provides a compound represented by the following formula (1), a stereoisomer thereof, or a pharmaceutically acceptable salt thereof.

[Chemical Formula 1]

In Formula 1,

In Formula 1,

R ¹ is allyl, unsubstituted or substituted benzyl, or unsubstituted or substituted phenyl,

Wherein said substituted phenyl and substituted benzyl are independently selected from the group consisting of hydroxy, amine, nitro, cyano, halogen, allyl, unsubstituted or substituted C _1-5 straight or branched chain alkyl, and unsubstituted or substituted and the C is one or more substituents selected from the group consisting of a straight or branched chain alkoxy of _{1 to 5} may be substituted,

Wherein said substituted alkyl and substituted alkoxy can be independently substituted with one or more substituents selected from the group consisting of a hydroxy group, a halogen, an amine, a nitro, and a cyano;

R ² is an unsubstituted or substituted C _2-6 straight or branched chain alkenyl, unsubstituted or substituted C _1-5 straight or branched chain alkyl, unsubstituted or substituted C _1-5 straight or branched Alkoxy, or unsubstituted or substituted C _1-3 alkyl C _6-10 aryl,

Wherein said substituted alkenyl, substituted alkyl, substituted alkoxy and substituted alkylaryl are independently selected from the group consisting of hydroxy, halogen, amine, nitro, cyano, unsubstituted or substituted C _1-3 straight or branched Alkyl and unsubstituted or substituted C &lt; 1 &gt; ₃ straight or branched alkoxy.

Preferably,

Wherein R &lt; ¹ &gt; is allyl, unsubstituted or substituted benzyl, or unsubstituted or substituted phenyl,

Wherein said substituted phenyl and substituted benzyl are independently selected from the group consisting of hydroxy, halogen, unsubstituted or substituted C _1-3 straight or branched chain alkyl, and unsubstituted or substituted C _1-3 straight or branched Lt; / RTI &gt; may be substituted with one or more substituents selected from the group consisting of &lt; RTI ID = 0.0 &gt;

Wherein said substituted alkyl and substituted alkoxy may be independently substituted with one or more substituents selected from the group consisting of a hydroxy group, a halogen, an amine, a nitro, and a cyano.

Preferably,

Wherein R ² is an allyl, unsubstituted or substituted C _1-3 linear or branched alkyl, or unsubstituted or substituted benzyl,

Wherein said substituted alkyl, substituted benzyl is independently selected from the group consisting of a hydroxy group, a halogen, an amine, a nitro, a cyano, an unsubstituted or substituted C _1-3 linear or branched alkyl and an unsubstituted or substituted C _1- with one or more substituents selected from the group consisting of the ₃ straight or branched alkoxy which may be substituted.

More preferably,

,

,

,

,

,

또는

일 수 있다.Wherein R &lt; ^{2 &}

,

,

,

,

,

or

Lt; / RTI &gt;

Preferable examples of the compound represented by the formula (1) according to the present invention include the following compounds.

(1) (E) -1- (3- (Allylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(2) (Z) -1- (3- (allylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(3) (E) -1- (3- (Allylsulfinyl) prop-1-enyl) -2-benzyldisulfane;

(4) (Z) -1- (3- (Allylsulfinyl) prop-1-enyl) -2-benzyldisulfane;

(5) (E) -1- (3- (Allylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl) dicyclene;

(6) (Z) -1- (3- (Allylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl) dicarbonate;

(7) (E) -1- (3- (Allylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl) dicyclene;

(8) (Z) -1- (3- (Allylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl) dicarbonate;

(9) (E) -1-Allyl-2- (3- (benzylsulfinyl) prop-1-enyl) dicyclene;

(10) (Z) -1-allyl-2- (3- (benzylsulfinyl) prop-1-enyl) dicyclene;

(11) (E) -1- (3- (Benzylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(12) (Z) -1- (3- (Benzylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(13) (E) -1-Benzyl-2- (3- (benzylsulfinyl) prop-1-enyl) dicyclene;

(14) (Z) -1-benzyl-2- (3- (benzylsulfinyl) prop-1-enyl)

(15) (E) -1- (3- (Benzylsulfinyl) prop-1-enyl) -2- (4- fluorobenzyl)

(16) (Z) -1- (3- (Benzylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl) dicyclene;

(17) (E) -1- (3- (Phenylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl) dicyclene;

(18) (Z) -1- (3- (Phenylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl) dicyclene;

(19) (E) -1-Allyl-2- (3- (phenylsulfinyl) prop-1-enyl) diesulfan;

(20) (Z) -1-allyl-2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(21) (E) -1- (3- (phenylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(22) (Z) -1- (3- (Phenylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(23) (E) -1-Benzyl-2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(24) (Z) -1-benzyl-2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(25) (E) -1- (4-fluorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(26) (E) -1- (4-fluorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(27) (E) -1- (4-methoxybenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(28) (Z) -1- (4-methoxybenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(29) (E) -1- (4-chlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(30) (Z) -1- (4-chlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(31) (E) -1- (3,4-Dichlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(32) (Z) -1- (3,4-Dichlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;

(33) (E) -1-Allyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(34) (Z) -1-allyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(35) (E) -1- (3- (3-Methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(36) (Z) -1- (3- (3-Methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(37) (E) -1-Benzyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(38) (Z) -1-benzyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(39) (E) -1- (4-fluorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(40) (Z) -1- (4-fluorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(41) (E) -1- (4-Chlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(42) (Z) -1- (4-Chlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(43) (E) -1- (3,4-Dichlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(44) (Z) -1- (3,4-Dichlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(45) (E) -1-Allyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(46) (Z) -1-Allyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(47) (E) -1- (3- (4-Methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(48) (Z) -1- (3- (4-Methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane;

(49) (E) -1-Benzyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(50) (Z) -1-benzyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(51) (E) -1- (4-fluorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(52) (Z) -1- (4-fluorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(53) (E) -1- (4-Chlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(54) (Z) -1- (4-chlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;

(55) (E) -1- (3,4-Dichlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene; And

(56) (Z) -1- (3,4-Dichlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) diesulfan.

The compound represented by the formula (1) of the present invention can be used in the form of a pharmaceutically acceptable salt, and as the salt, an acid addition salt formed by a pharmaceutically acceptable free acid is useful. Acid addition salts include those derived from inorganic acids such as hydrochloric acid, nitric acid, phosphoric acid, sulfuric acid, hydrobromic acid, hydroiodic acid, nitrous acid, phosphorous acid and the like, aliphatic mono- and dicarboxylates, phenyl-substituted alkanoates, Derived from organic acids such as acetic acid, benzoic acid, citric acid, lactic acid, maleic acid, gluconic acid, methanesulfonic acid, 4-toluenesulfonic acid, tartaric acid, fumaric acid and the like. Examples of such pharmaceutically innocuous salts include, but are not limited to, sulfate, pyrosulfate, bisulfate, sulfite, bisulfite, nitrate, phosphate, monohydrogenphosphate, dihydrogenphosphate, metaphosphate, pyrophosphate chloride, bromide, But are not limited to, but are not limited to, but are not limited to, but are not limited to, but are not limited to, halides, halides, halides, halides, halides, halides, But are not limited to, lactose, sebacate, fumarate, maleate, butyne-1,4-dioate, hexane-1,6-dioate, benzoate, chlorobenzoate, methylbenzoate, dinitrobenzoate, Methoxybenzoate, phthalate, terephthalate, benzene sulfonate, toluene sulfonate, chloro Such as benzenesulfonate, benzenesulfonate, xylenesulfonate, phenylacetate, phenylpropionate, phenylbutyrate, citrate, lactate,? -Hydroxybutyrate, glycolate, maleate, tartrate, methanesulfonate, propanesulfonate, naphthalene- 1-sulfonate, naphthalene-2-sulfonate, mandelate and the like.

The acid addition salt according to the present invention can be prepared by a conventional method, for example, by dissolving the derivative of Chemical Formula 1 in an organic solvent such as methanol, ethanol, acetone, dichloromethane, acetonitrile and the like, Followed by filtration and drying, or by distillation of the solvent and excess acid under reduced pressure, followed by drying and crystallization in an organic solvent.

In addition, bases can be used to make pharmaceutically acceptable metal salts. The alkali metal or alkaline earth metal salt is obtained, for example, by dissolving the compound in an excess amount of an alkali metal hydroxide or an alkaline earth metal hydroxide solution, filtering the insoluble compound salt, and evaporating and drying the filtrate. At this time, it is preferable for the metal salt to produce sodium, potassium or calcium salt. In addition, the corresponding salt is obtained by reacting an alkali metal or alkaline earth metal salt with a suitable salt (such as silver nitrate).

Furthermore, the present invention includes all the solvates, stereoisomers, hydrates, and the like, which can be prepared therefrom, as well as the compound represented by Formula 1 and pharmaceutically acceptable salts thereof.

The present invention also relates to a process for producing a compound represented by the formula (1)

A step of preparing a compound represented by the formula (3) from the compound represented by the formula (2) (step 1);

Preparing a compound represented by the formula (4) from the compound represented by the formula (3) prepared in the step (1) (step 2);

Reacting the compound represented by the formula (4) prepared in the step 2 with p-TolSO ₂ SR ² (para-toluenesulfonyl-SR ² ) to prepare a compound represented by the formula (5) (step 3); And

And a step of preparing a compound represented by the formula (1) from the compound represented by the formula (5) prepared in the above step (3).

[Reaction Scheme 1]

In the above Reaction Scheme 1,

Wherein R ¹ and R ² are independently as defined in the above formula (1).

Hereinafter, the process for preparing the compound represented by the formula (1) according to the present invention will be described in detail.

In the process for preparing a compound represented by the formula (1) according to the present invention, the step (1) is a step for preparing a compound represented by the formula (3) from a compound represented by the formula (2).

At this time, It can be understood as a propargylation reaction. Useful for but not limited to, but conducted the iodonium salt _{^{(R 1 SC (¼NH 2)}} NH 2 þ Br) from the reaction by the addition of propargyl halo fluoride with thiol R ¹ SH or iso Im OY equivalent, in the reaction , The reaction temperature may be 10-40 캜, preferably 20-30 캜, and room temperature. However, the reaction time may be 0.5-20 hours, preferably 1-10 hours, It does not. In addition, the conditions such as the above-mentioned temperature and reaction time may be varied according to the object to be performed, and the present invention includes the scope of performing the object of the present invention or changing the object according to the object.

In the process for preparing the compound represented by the formula (1) according to the present invention represented by the above Reaction Scheme 1, the above Step 2 is a step for preparing the compound represented by the formula (4) from the compound represented by the formula (3) .

In this case, the step 2 may be understood as a radical addition reaction, but it is not limited thereto. Alternatively, the compound prepared in the step 1 may be reacted with a radical initiator and thioacetic acid in the form of a stereoisomeric mixture, O acetate. In the above reaction, the reaction temperature may be 60-100 ° C, preferably 70-90 ° C, but the reaction time is not limited thereto. If the reaction time is such that the reaction proceeds completely and the reaction product can be maximally converted, And is not particularly limited. In addition, the conditions such as the above-mentioned temperature and reaction time may be varied according to the object to be performed, and the present invention includes the scope of performing the object of the present invention or changing the object according to the object.

In step (3), the compound of formula (4) and p-TolSO ₂ SR ² (para-toluenesulfonyl- SR &lt; ² &gt;) to prepare a compound represented by the formula (5).

In this case, step 3 can be understood as a sulfenylation reaction with vinyl disulfide. However, the compound prepared in step 2 is not limited to S-allyl p-toluenesulfonyl thioate or a compound equivalent thereto To thereby prepare a target compound which is a vinyl disulfide. In the above reaction, the reaction temperature may be -20 to 10 ° C, preferably -10 to 0 ° C, but it is the temperature in the progress of the reaction, and when adding each compound, liquefied nitrogen, liquefied nitrogen / acetone nitrile The reaction time may be adjusted according to the present invention as long as the reaction proceeds completely and the reaction product can be maximally converted. And is preferably carried out for 0.5 to 10 hours, more preferably for 1 to 5 hours, but is not particularly limited. In addition, the conditions such as the above-mentioned temperature and reaction time may be varied according to the object to be performed, and the present invention includes the scope of performing the object of the present invention or changing the object according to the object.

In the process for preparing a compound represented by the general formula (1) of the present invention represented by the above-mentioned Reaction Scheme 1, the above Step 4 is a step for preparing a compound represented by the general formula (1) from a compound represented by the general formula (5) .

In this case, step 4 may be understood as an oxidation reaction. But are not limited to, the step of obtaining the final desired compound as an E / Z mixture or a single stereoisomer by adding the compound prepared in step 3 above with m-CPBA or a compound equivalent thereto. In the above reaction, the reaction temperature may be 0 to 30 ° C, preferably 10 to 20 ° C, and preferably, liquefied nitrogen, liquefied nitrogen / acetone nitrile or liquefied nitrogen / acetone is added The reaction may be carried out at a temperature of -30 to -90 캜 for several hours, followed by cooling to room temperature for several hours. However, the reaction time is not limited to the time Is included in the present invention, and is not particularly limited. In addition, the conditions such as the above-mentioned temperature and reaction time may be varied according to the object to be performed, and the present invention includes the scope of performing the object of the present invention or changing the object according to the object.

The manufacturing method of the present invention described above can be carried out in the most preferred form as in the production examples and the embodiments of the present invention. However, the present invention is not limited thereto.

Further, the present invention provides a pharmaceutical composition for preventing or treating a neuroblastoma containing the compound represented by the above-mentioned formula (1), its stereoisomer or its pharmaceutically acceptable salt as an active ingredient.

The compound represented by the above formula (1) inhibits HDAC (Histone deacetylase) to prevent or treat neuroblastoma. By inhibiting the action mechanism of histone deacetylase, it is possible to inhibit proliferation of neuroblastoma .

Specifically, histone deacetylase (Histone deacetylase) is an enzyme that regulates the balance between acetylation and deacetylation of histone and non-histone proteins by promoting the hydrolysis of the ε-amide bond of lysine residues. , Plays an important role in maintaining homeostasis of cells. Overexpression of HDAC in neuroblastoma cells causes inhibition of important growth inhibitory genes and promotes neuroblastoma cell proliferation. The compound of Formula 1, its stereoisomer or pharmaceutically acceptable salt thereof according to the present invention is capable of inhibiting the above-mentioned action mechanism and inhibiting proliferation of neuroblastoma cells.

In particular, among the HDAC family related to neuroblastoma, selective inhibition against HDAC8 and an improved therapeutic effect on diseases can be provided, and it can be provided as an improved therapeutic method and therapeutic agent. In non-patent document 2 and non-patent document 3, The compound represented by the formula (1) of the present invention has an effect of selectively inhibiting HDAC8, which is a drug that can be provided as a superior therapeutic agent and a therapeutic method, or an active ingredient thereof Can be understood.

However, the present invention is not limited to the above-described effects, and the present invention can be applied to the cell lines of five neuroblastoma cell lines with excellent proliferation inhibitory activity and, The killing effect of neuroblastoma cells is confirmed, and it can be understood that the compound represented by formula (1) of the present invention can be provided as an active ingredient of a pharmaceutical composition for the prophylaxis or treatment of neuroblastoma.

Further, in the experiment using the mouse tumor xenotransplantation model, it was confirmed that the novel compound represented by Formula 1 of the present invention is an effective component, and the novel compound of the present invention is also effective as a pharmaceutical composition for the prophylaxis or treatment of neuroblastoma Can be provided.

On the other hand, the neuroblastoma is based on the effect of the present invention proved by the following experimental example, and it can be easily applied to a similar tumor disease, for example, a subspecies of a neuroblastoma, a mutant species, You will understand.

The present invention also provides a health functional food composition for preventing or ameliorating a neuroblastoma containing the compound represented by Formula 1, a stereoisomer thereof, or a pharmaceutically acceptable salt thereof as an active ingredient.

In order to evaluate the proliferation inhibitory activity of neuroblastoma of the compound represented by the above formula (1), a stereoisomer thereof or a pharmaceutically acceptable salt thereof according to the present invention, the following experiment was conducted.

First, the proliferation inhibitory activity of the novel compound of the present invention was evaluated in a human neuroblastoma cell line. As a result, excellent proliferation inhibitory activity was confirmed in neuroblastoma. In particular, when R ^{1 in} the representative formula 1 of the present invention was non- Or substituted benzyl or phenyl, exhibit better neuroblastoma proliferation inhibitory activity (see Experimental Examples below).

Thus, the inventors of the present invention conducted experiments to inhibit the proliferation of the same neuroblastoma by additionally synthesizing a derivative from the compound in which R ¹ of the present invention is unsubstituted or substituted benzyl or phenyl. As a result, R ¹ In the case of introducing a substituent at the 3 rd or 4 rd position of the phenyl, a more excellent neuroblastoma proliferation inhibitory activity was more confirmed than in the case of the phenyl (see Experimental Examples below).

However, the above results are only illustrative and can be explained differently in terms of individual compounds, and the present invention includes them.

Meanwhile, the present inventors evaluated the inhibitory activity (IC ₅₀ ) of HDAC 1, 6, and 8 against HDAC enzyme inhibitory activity of phenyl-based derivatives.

At this time, the inhibitory activity was compared in terms of percentage by using HDAC target anticancer agent SAOR (Vorinostat), which was conventionally known as a control group. As a result, it was confirmed that the phenyl-based derivatives according to the present invention exhibited better HDAC inhibitory activity than azoenes and SAHA And in particular, the novel compounds according to the present invention were found to have an inhibitory activity of about 30 to 100-fold in HDAC 8 versus HDAC 1 and 6, from which the pharmaceutical composition for the prevention or treatment of neuroblastoma and the health function It was found that the compound was effective as an active ingredient of a food composition (see Experimental Examples below).

As a result of an in vivo experiment, an experiment in which neuroblastoma xenograft transplantation mice were tested for their inhibitory activity against neuroblastoma proliferation showed that the novel compounds according to the present invention had an inhibitory activity against neuroblastoma cell proliferation And could be provided as a new therapeutic agent for neuroblastoma (see experimental example below).

Therefore, the novel compound represented by formula (1) according to the present invention is an inhibitory compound having HDAC inhibitory activity, and in particular, has excellent inhibitory activity against HDAC 8 as compared to other HDACs, From the experiment of neuroblastoma cell line experiment and proliferation inhibition activity in mouse xenograft model, the novel compound of the present invention is a drug for preventing or treating substantial neuroblastoma or a preventive or remedy health functional food composition (See Experimental Examples below).

Further, the present invention provides a method for treating a neuroblastoma, comprising administering to a subject a compound represented by the formula (1), a stereoisomer thereof or a pharmaceutically acceptable salt thereof in a therapeutically effective amount .

Herein, the neuroblastoma may be understood as referring to a disease including both a neuroblastoma, a subspecies thereof, and mutants thereof, as described herein.

The therapeutically effective amount refers to an amount sufficient to treat, prevent, or ameliorate the symptoms or conditions of the subject upon administration into the body, depending on the administration method. In addition, the amount may vary depending on the body weight, age, sex, condition, and family history of the subject to be administered. In the present invention, the treatment method can set different doses depending on different conditions.

The "effective amount" may be an amount effective to prevent, ameliorate, or treat neuroblastoma. In another embodiment, an "effective amount" of a compound is an amount that is capable of inhibiting the proliferative activity of a neuroblastoma or killing cells of a neuroblastoma.

The compounds and compositions according to the methods of the present invention may be administered using any amount and any route of administration effective in treating the disease. The exact amount required will vary from subject to subject depending on the species, age, and general condition of the subject, the severity of the infection, the particular agent, its mode of administration, and the like. The compounds of the present invention are frequently formulated in dosage unit form for ease of administration and uniformity of dosage. The expression "dosage unit form" means a physically discrete unit of formulation suitable for the subject to be treated, as used herein. It will also be understood that the total daily usage of the compounds and compositions of the present invention will be determined by the attending physician within the scope of sound medical judgment. The specific effective dosage level for any particular subject or organism will depend on a variety of factors including: the severity of the disease and disorder to be treated; The activity of the specific compound employed; Specific composition; Age, weight, general health, gender and diet of the subject; The time of administration, the route of administration, and the rate of excretion of the particular compound employed; Duration of treatment; The particular compound used alone or coadministered, and other factors well known in the medical arts.

On the other hand, the term "subject" can be understood to mean an animal, such as a mammal, as used herein, such as a mouse or the like, preferably a human.

Hereinafter, the present invention is described in detail by way of Production Examples, Examples and Experimental Examples.

However, the following Production Examples, Examples and Experimental Examples are merely illustrative of the present invention, and the content of the present invention is not limited to the following Production Examples, Examples and Experimental Examples.

&Lt; Preparation method > para-toluene thiosulfonyl-R ² Manufacturing

To a solution of DMF (1 M) in which potassium p-toluene thiosulfonate (1 eq) was dissolved, R ² X (X = ¼Cl or Br; 1.0 eq.) Was dissolved in DMF without solvent or slowly added via syringe . Then it was stirred at room temperature for 3 hours, or heated while confirming the conversion of R ² C by TLC, and then the reaction was quenched with saturated aqueous NaHCO ₃ . The resulting mixture was extracted with dichloromethane, and the obtained organic extract was dried with magnesium sulfate. The solvent was removed under reduced pressure and the residue was purified by silica gel column chromatography using a hexane / ethyl acetate mixture to give the desired compound.

PREPARATION EXAMPLE 1 Synthesis of toluene-4-thiosulfonic acid, S-2-propen-1-yl ester

Obtained form: pale yellow oil (90.7%); R _f = 0.34 (n-hexane / Ethyl acetate 10: 1); ^{1 H NMR (400 MHz, CDCl} 3) δ 7.48 (2H, d, J = 8.4 Hz), 7.27 (2H, d, J = 8.4 Hz), 5.57-5.67 (1H, m), 5.09-5.14 (1H, m), 4.99-5.03 (2H, m), 3.57-3.59 (2H, m), 2.36 (3H, s); ¹³ C NMR (100 MHz, CDCl 3)? 144.4, 141.4, 130.1, 129.3, 126.5, 119.6, 38.3, 21.3.

PREPARATION EXAMPLE 2 Preparation of toluene-4-thiosulfonic acid, S-propyl ester

Obtained form: pale yellow oil (80.5%)%); R _f = 0.29 (n-hexane / Ethyl acetate 10: 1); ^{1 H NMR (400 MHz, CDCl} 3) δ 7.81 (2H, d, J = 8.4 Hz), 7.24 (2H, d, J = 8.4 Hz), 2.96 (2H, t, J = 7.2 Hz), 2.45 (3H , s), 1.58-1.68 (2H, m), 0.92 (3H, t, J = 7.2 Hz); ¹³ C NMR (100 MHz, CDCl ₃ )? 144.7, 142.0, 129.8, 126.9, 37.9, 22.1, 21.6, 13.1.

PREPARATION EXAMPLE 3 Toluene-4-thiosulfonic acid, S-benzyl ester

Obtained form: white solid (96.4%); R _f = 0.36 (n-hexane / ethyl acetate 10: 1); ^{1 H NMR (400 MHz, CDCl} 3) δ 7.72 (2H, d J = 8.4 Hz), 7.26 (2H, d J = 8.4 Hz), 7.20-7.23 (3H, m), 7.16-7.18 (2H, m) , 4.24 (2 H, s), 2.42 (3 H, s); ¹³ C NMR (100 MHz, CDCl ₃ )? 144.6, 141.9, 133.7, 129.7, 129.1, 128.8, 127.9, 126.9, 40.3, 21.6.

PREPARATION EXAMPLE 4 Toluene-4-thiosulfonic acid, S- (4-fluoro-benzyl) ester

Obtained form: white solid (89.5%); R _f = 0.31 (n-hexane / ethyl acetate 8: 1); ^{1 H NMR (400 MHz, CDCl} 3) δ 7.69 (2H, dd, J = 1.6, 6.8 Hz), 7.27 (2H, dd, J = 1.6, 6.8 Hz), 7.13-7.17 (2H, m), 6.88- 6.92 (2H, m), 4.22 (2H, s), 2.43 (3H, s); ¹³ C NMR (100 MHz, CDCl 3)? 144.8, 141.9, 130.8, 130.7, 1209.7, 126.9, 115.8, 115.5, 39.5, 21.6.

PREPARATION EXAMPLE 5 Synthesis of toluene-4-thiosulfonic acid, S- (4-methoxy-benzyl) ester

Obtained form: white solid (63.0%); R _f = 0.24 (n-hexane / Ethyl acetate 8: 1); ^{1 H NMR (400 MHz, CDCl} 3) δ 7.69 (2H, dd, J = 1.6, 8.4 Hz), 7.27 (2H, dd, J = 1.6, 8.4 Hz), 7.13-7.17 (2H, m), 6.88- 6.92 (2H, m), 4.22 (2H, s), 2.43 (3H, s); ¹³ C NMR (100 MHz, CDCl 3)? 130.4, 129.7, 126.9, 114.2, 55.3, 39.9, 21.6.

PREPARATION EXAMPLE 6 Toluene-4-thiosulfonic acid, S- (4-chloro-benzyl) ester

Obtained form: pale yellow oil (68.7%); R _f = 0.24 (n-hexane / Ethyl acetate 8: 1); ^{1 H NMR (400 MHz, CDCl} 3) δ 7.67 (2H, d, J = 8.4 Hz), 7.25 (2H, d, J = 8 Hz), 7.17 (1H, dd, J = 2, 6.4 Hz), 7.10 (2H, d, J = 8.8Hz), 4.21 (2H, s), 2.43 (3H, s); ¹³ C NMR (100 MHz, CDCl ₃ )? 144.9, 142.1, 133.9, 132.6, 130.5, 129.8, 128.9, 127.0, 39.7, 21.7.

PREPARATION EXAMPLE 7 Synthesis of toluene-4-thiosulfonic acid, S- (3,4-dichloro-benzyl) ester

Obtained form: pale yellow oil (78.9%); R _f = 0.46 (n-hexane / Ethyl acetate 4: 1); ¹ H NMR (400 MHz, CDCl ₃ )? 7.62 (2H, dd, J = 2, 6.8 Hz), 7.21? 7.26 (3H, m), 7.14 dd, J = 2.4, 8.4 Hz), 4.19 (2H, s), 2.42 (3H, s); ¹³ C NMR (100 MHz, CDCl ₃ )? 145.0, 141.9, 134.3, 132.5, 131.9, 130.8, 130.4, 129.6, 128.3, 126.9, 39.0, 21.6.

Example 1 Preparation of (E) -1- (3- (allylsulfinyl) prop-1-enyl) -2-propyldisulfane

Step 1: Propargylation reaction

Prop- ₂ -en-1-thiol or the corresponding isothiouronium salt (pro-2-phen-1-SC (NNH ₂ ) NH ₂ Br Br) was dissolved in degassed methanol (0.5 M) And KOH (1.2 equivalents to ethenthiol or 2.5 equivalents to the salt) of solid was added. After 5 min, propargyl bromide (1.5 eq., 80% in toluene) was added and the resulting mixture was allowed to warm to room temperature. After several hours, the propanation reaction was confirmed to be complete by TLC, the methanol was removed under reduced pressure, and the residue was extracted with water and ethyl acetate or dichloromethane (3 times). Subsequently, the solution was dried and the solvent was removed under reduced pressure, and the residue was purified by silica gel chromatography with a toluene / hexane mixture to obtain the desired compound as a sulfamide sulfide.

Step 2: Radical addition reaction

Degassed toluene (0.5 M) and AIBN or its equivalent radical initiator (5 mol%) were added to the compound prepared in step 1 above. The resulting mixture was heated to 85 캜 and thioacetic acid (1.1 eq) dissolved in toluene (1 M) was added dropwise over 1 hour. Thereafter, the reaction was stirred to maximize the reaction while confirming by TLC. In some cases, the reaction was allowed to proceed fully by addition of thioacetic acid, with care being taken to avoid formation of adducts. After the reaction was completed, the solvent was removed and the residue was purified by silica gel column chromatography using toluene or an ethyl acetate / petroleum ether mixture to give the title compound Z: E isomer as a mixture of vinyl thioacetate in a weight ratio of 2: 1 Respectively.

Step 3: Sulfonation of vinyl disulfide

The compound prepared in the above step 2 was dissolved in methanol (1 M) and cooled to -40 캜 using a cooling bath of acetone nitrile / liquefied nitrogen. KOH (1.05 eq., 1 M) dissolved in methanol was slowly added by syringe and the resulting mixture was stirred for 20 min and then cooled to -78 [deg.] C using a cooling bath of acetone / liquefied nitrogen. Methanol (1.1 eq., 1 M) in which the compound prepared in Preparative Example 2 was dissolved was added to the above solution with a syringe and allowed to stand at 0 ° C, stirred for 2 hours, and quenched with NH ₄ Cl aqueous solution. The organic product was then extracted with ethyl acetate or dichloromethane (3 times), dried, the solvent was removed, and the residue was purified by column chromatography to give the desired compound as a vinyl disulfide.

Step 4: Oxidation reaction

The compound prepared in step 3 was dissolved in dichloromethane (0.2 M), cooled to -78 ° C under a nitrogen gas, and m-CPBA (1.1 eq.) Was added in one portion. The reaction was allowed to proceed to room temperature over several hours until TLC (40% ethyl acetate / petroleum ether) showed that the reaction had run out. The reaction was quenched with saturated aqueous NaHCO ₃ and the product was extracted with ethyl acetate or dichloromethane (3 times). The obtained organic layer was dried under reduced pressure and concentrated to give a residue. This was purified by silica gel column chromatography using a petroleum ether / ethyl acetate mixture to give the final desired compound as an E / Z mixture. In some cases, the stereoisomers could be separated by gravity chromatography using low flow rates, the yield varied from 60 to 90%, and the reaction temperature for optimal conversion was different for each substrate.

2: 1 cis: trans (11.7%, removable)

Obtained form: colorless oil

Rf = 0.36 (n-hexane / ethyl acetate = 1: 2); (E) IR (neat, cm-1) 3082, 2961, 1635, 1610, 1034, 934, 795; (2H, m), 3.69-3.71 (1H, m), 3.59-7.30 (2H, m) 3.61 (2H, m), 3.48-3.50 (1H, m), 2.73 (2H, t, J = 7.2 Hz), 1.69-1.75 (2H, m), 1.01 (3H, t, J = 7.2 Hz); 13 C NMR (100 MHz, CD 3 OD)? 134.6, 125.9, 122.9, 116.0, 53.9, 52.4, 39.6, 21.9, 11.8.

Example 2 Preparation of (Z) -1- (3- (allylsulfinyl) prop-1-enyl) -2-propyldisulfane

The procedure of Example 1 was repeated except that the stereoisomer was obtained as the target compound.

2: 1 cis: trans (11.7%, removable)

Obtained form: colorless oil

Rf = 0.36 (n-hexane / ethyl acetate = 1: 2); (Z) IR (neat, cm-1) 3082, 2961, 2925, 1634, 1612, 1030, 934, 797; (1H, m), 5.44-5.48 (2H, m), 3.63-2.30 (1H, m) 3.75 (3H, m), 3.49-3.53 (1H, m), 2.75 (2H, t, J = 7.2 Hz), 1.70-1.75 (2H, m), 1.01 (3H, t, J = 7.2 Hz); &Lt; 13 &gt; C NMR (100 MHz, CD3OD) [delta] 138.9, 125.8, 123.0, 117.7, 63.2, 54.2, 40.5, 21.8, 11.8.

Example 3 Preparation of (E) -1- (3- (allylsulfinyl) prop-1-enyl) -2-benzyldisulfane

The procedure of Example 1 was repeated, except that the compound of Preparation Example 3 was used instead of the compound of Preparation Example 2 used in Step 3 of Example 1 to obtain the target compound.

2: 1 cis: trans (34.0%, removable)

Obtained form: yellow oil

Rf = 0.36 (n-hexane / ethyl acetate = 1: 2); (E) IR (neat, cm-1) 3027, 2962, 2923, 1634, 1602, 1494, 1454, 1030, 935, 796; (2H, m), 3.86 (2H, m), 3.86 (2H, m), 2.50 , s), 3.44-3.53 (2H, m), 3.29-3.39 (2H, m); 13 C NMR (100 MHz, CD 3 OD)? 134.1, 129.1, 128.1, 127.2, 125.8, 122.9, 116.4, 53.8, 52.3, 41.8.

Example 4 Preparation of (Z) -1- (3- (allylsulfinyl) prop-1-enyl) -2-benzyldisulfane

The procedure of Example 3 was repeated except that the stereoisomer was obtained as the target compound.

2: 1 cis: trans (34.0%, removable)

Obtained form: yellow oil

Rf = 0.36 (n-hexane / ethyl acetate = 1: 2); (Z) IR (neat, cm-1) 33028, 2962, 2924, 2360, 2341, 1634, 1600, 1030, 795; (1H, m), 5.32 (1H, d, J = 9.6 Hz) 5.39 (2H, m), 3.88 (2H, s), 3.46 ~ 3.58 (3H, m), 3.33 ~ 3.38 (1H, m); 13 C NMR (100 MHz, CD 3 OD)? 139.4, 130.3, 129.2, 128.2, 126.9, 124.1, 118.7, 55.2, 50.1, 43.6.

Example 5 Preparation of (E) -1- (3- (allylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl)

The procedure of Example 1 was repeated except that the compound of Preparation Example 4 was used in place of the compound of Preparation Example 2 used in Step 3 of Example 1 to obtain the target compound.

5: 3 cis: trans (17.7%, removable)

Obtained form: yellow oil

Rf = 0.33 (n-hexane / ethyl acetate = 1: 2); (E) IR (neat, cm-1) 2962, 2920, 1689, 1599, 1508, 1037, 936, 800; (1H, d, J = 14.4 Hz), 5.84-5.89 (2H, m), 5.41-7.30 (2H, m) 5.48 (2H, m), 3.96 (2H, s), 3.55-3.64 (2H, m), 3.41-3.49 (2H, m); 13 C NMR (100 MHz, CD 3 OD)? 137.3, 130.8, 124.8, 123.1, 118.8, 114.7, 114.1, 105.1, 54.8, 49.6, 41.7.

Example 6 Preparation of (Z) -1- (3- (allylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl)

The procedure of Example 5 was repeated except that the stereoisomer was obtained as the target compound.

5: 3 cis: trans (17.7%, removable)

Obtained form: yellow oil

Rf = 0.33 (n-hexane / ethyl acetate = 2: 1); (Z) IR (neat, cm-1) 2923, 2854, 1731, 1689, 1599, 1508, 1042, 931, 837; (2H, m), 6.33 (1H, d, J = 9.6Hz), 5.89-5.94 (1H, m), 5.63-7.30 (2H, m) 5.69 (1H, m), 5.43-5.48 (2H, m), 3.98 (2H, s), 3.58-3.69 (3H, m), 3.44-3.49 (1H, m); 13 C NMR (100 MHz, CD 3 OD)? 138.3, 131.0, 125.8, 123.0, 117.8, 114.9, 114.7, 105.0, 54.2, 49.1, 41.5.

Example 7 Preparation of (E) -1- (3- (allylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl)

The procedure of Example 1 was repeated, except that the compound of Preparation Example 5 was used instead of the compound of Preparation Example 2 used in Step 3 of Example 1 to obtain the target compound.

2: 1 cis: trans (25.9%, removable)

Obtained form: yellow oil

Rf = 0.36 (n-hexane / ethyl acetate = 1: 2); (E) IR (neat, cm-1) 3002, 2958, 2930, 1608, 1583, 1510, 1032, 933, 833; D, J = 8.4 Hz), 6.87 (2H, d, J = 8.4 Hz), 6.31 m), 5.41-5.48 (2H, m), 3.92 (2H, s), 3.78 (3H, s), 3.58-3.60 (2H, m), 3.47-3.49 (2H, m); 13 C NMR (100 MHz, CD 3 OD)? 135.7, 131.8, 127.2, 124.4, 117.6, 114.9, 55.7, 55.2, 53.8, 42.8.

Example 8 Preparation of (Z) -1- (3- (allylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl)

The procedure of Example 7 was repeated except that the stereoisomer thereof was obtained as a target compound.

2: 1 cis: trans (25.9%, removable)

Obtained form: yellow oil

Rf = 0.36 (n-hexane / ethyl acetate = 1: 2); (Z) IR (neat, cm-1) 2959, 2835, 1607, 1509, 1462, 1030, 795; (1H, d, J = 9.6 Hz), 5.90 (2H, dd, J = (2H, m), 3.94 (2H, s), 3.78 (2H, s), 5.96 ~ 3.49 (1H, m); 13 C NMR (100 MHz, CD 3 OD)? 160.7, 140.0, 131.8, 130.1, 127.2, 124.8, 118.8, 114.9, 55.7, 55.5, 50.5, 43.5.

Example 9 Preparation of (E) -1-allyl-2- (3- (benzylsulfinyl) prop-1-enyl)

Example 1 Step 1 pro-2-pen-l-thiol or the corresponding iodonium salts isobutyronitrile Im OY that used in the (pro-2-pen _{-1-SC (¼NH 2) NH} 2 þ Br,) of the (Benzyl-SC (¼NH ₂ ) NH ₂ þ Br) instead of benzyl-thiol or the corresponding isothioururonium salt (benzyl-SC (¼NH ₂ ) NH ₂ þ Br) To give the desired compound.

2: 1 cis: trans (64.4%, removable)

Obtained form: yellow oil

Rf = 0.22 (n-hexane / ethyl acetate = 2: 1); (2H, m), 5.16-5.22 (2H, m), 6.36 (1H, d, J = , 3.98 (2H, s), 3.44-3.49 (2H, m), 3.29-3.37 (2H, m).

Example 10 Preparation of (Z) -1-allyl-2- (3- (benzylsulfinyl) prop-1-enyl)

The procedure of Example 9 was repeated except that the stereoisomer was obtained as the target compound.

2: 1 cis: trans (64.4%, removable)

Obtained form: yellow oil

Rf = 0.22 (n-hexane / ethyl acetate = 2: 1); M), 5.15-5.20 (2H, m), 6.59 (1H, d, J = 9.6 Hz) , 3.98 (2H, s), 3.53 ~ 3.58 (2H, m), 3.43 ~ 3.49 (2H, m).

Example 11 Preparation of (E) -1- (3- (benzylsulfinyl) prop-1-enyl) -2-propyldisulfane

The procedure of Example 9 was repeated, except that the compound of Preparation Example 2 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 9 to obtain the target compound.

1: 1 cis: trans (60.7%, removable)

Obtained form: yellow oil

Rf = 0.21 (n-hexane / ethyl acetate = 2: 1); (1H, m), 3.98 (2H, s), 3.45 (2H, s), 4.05 (1H, (2H, m), 3.50 (1H, m), 3.29-3.35 (1H, m), 2.72 (2H, t, J = 7.2 Hz), 1.67-1.76 (2H, m), 1.01 (3H, t, J = 7.2 Hz); 13 C NMR (100 MHz, CDCl 3)? 134.9, 130.1, 129.1, 128.5, 116.3, 56.9, 52.9, 40.4, 22.5, 13.1.

Example 12 Preparation of (Z) -1- (3- (benzylsulfinyl) prop-1-enyl) -2-propyldisulfane

The procedure of Example 11 was repeated except that the stereoisomer was obtained as the target compound.

1: 1 cis: trans (60.7%, removable)

Obtained form: yellow oil

Rf = 0.21 (n-hexane / ethyl acetate = 2: 1); (1H, m), 3.97 (2H, s), 3.33 (2H, s), 2.54 (1H, (1H, m), 3.49 (1H, m), 3.28-3.35 (1H, m), 2.69 (2H, t, J = 7.2 Hz).

Example 13 Preparation of (E) -1-benzyl-2- (3- (benzylsulfinyl) prop-1-enyl)

The procedure of Example 9 was repeated, except that the compound of Preparation Example 3 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 9 to obtain the target compound.

2: 1 cis: trans (57.9%, removable)

Obtained form: white solid

Rf = 0.34 (n-hexane / ethyl acetate = 2: 1); (1H, m), 3.92 (2H, s), 3.92 (2H, s), 3.92 (2H, s), 3.33-3.38 (1H, m), 3.19-3.24 (1H, m).

Example 14 Preparation of (Z) -1-benzyl-2- (3- (benzylsulfinyl) prop-1-enyl)

The procedure of Example 13 was repeated except that the stereoisomer was obtained as the target compound.

2: 1 cis: trans (57.9%, removable)

Obtained form: white solid

Rf = 0.34 (n-hexane / ethyl acetate = 2: 1); (1H, m), 3.94 (4H, s), 3.47 (4H, s), 2.50 ~ 3.52 (1H, m), 3.37-3.43 (1H, m); 13 C NMR (100 MHz, CDCl 3)? 138.0, 130.1, 129.4, 129.0, 128.6, 128.4, 127.7, 117.9, 57.4, 49.6, 43.5.

Example 15 Preparation of (E) -1- (3- (benzylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl)

The procedure of Example 9 was repeated, except that the compound of Preparation Example 4 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 9 to obtain the target compound.

2: 1 cis: trans (63.4%, removable)

Obtained form: Yellow solid

Rf = 0.34 (n-hexane / ethyl acetate = 1: 1); M), 6.98-7.26 (2H, m), 6.15 (1H, d, J = 14.8 Hz), 5.81-5.89 (1H, m) , 3.95 (2H, s), 3.90 (2H, s), 3.34 ~ 3.39 (1H, m), 3.19 ~ 3.25 (1H, m); 13 C NMR (100 MHz, CDCl 3)? 133.9, 131.1, 130.9, 129.9, 129.0, 128.4, 117.1, 115.6, 115.4, 56.9, 52.7, 41.7.

Example 16 Preparation of (Z) -1- (3- (benzylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl)

The procedure of Example 15 was repeated except that the stereoisomer was obtained as the target compound.

2: 1 cis: trans (63.4%, removable)

Obtained form: Yellow solid

Rf = 0.34 (n-hexane / ethyl acetate = 1: 1); (2H, m), 6.26 (1H, d, J = 9.2Hz), 5.63-5.69 (1H, m) , 3.95 (2H, s), 3.90 (2H, s), 3.37-3.51 (1H, m), 3.65-3.71 (1H, m); 13C NMR (100 MHz, CDCl3) [delta] 137.7, 130.7, 129.7, 128.7, 128.1, 117.9, 115.1, 57.2, 49.3, 42.3.

Example 17 Preparation of (E) -1- (3- (phenylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl)

The procedure of Example 9 was repeated, except that the compound of Preparation Example 5 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 9 to obtain the desired compound.

1: 2 cis: trans (37.9%, removable)

Obtained form: white solid

Rf = 0.34 (n-hexane / ethyl acetate = 2: 1); (2H, d, J = 8.4 Hz), 6.17 (1H, d, J = 8.3 Hz) (2H, s), 3.77 (3H, s), 3.35-3.40 (1H, m), 3.21-3.26 ); 13 C NMR (100 MHz, CDCl 3)? 159.6, 134.8, 131.0, 130.5, 129.4, 128.9, 117.1, 114.4, 57.2, 55.7, 53.3, 42.6.

Example 18 Preparation of (Z) -1- (3- (phenylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl)

Following the procedure of Example 17, the stereoisomer was obtained as the target compound.

1: 2 cis: trans (37.9%, removable)

Obtained form: white solid

Rf = 0.34 (n-hexane / ethyl acetate = 2: 1); (2H, d, J = 8.4Hz), 6.29 (1H, d, J = 8.4Hz) (2H, s), 3.79 (2H, s), 3.79 (3H, s), 3.47-3.53 (2H, m), 3.39-3.43 2H, m); 13 C NMR (100 MHz, CDCl 3)? 138.2, 130.5, 130.1, 129.9, 128.9, 128.5, 128.4, 117.8, 113.9, 57.5, 55.3, 49.7, 43.0.

Example 19 Preparation of (E) -1-allyl-2- (3- (phenylsulfinyl) prop-1-enyl)

Step 1: Propargylation reaction

Benzene thiol or iso Im OY the corresponding iodonium salts _{(Ph-SC (¼NH 2)} NH 2 þ Br,) for the addition to 0 ℃ degassed methanol (0.5 M) and, KOH (ethene thiol of solid 1.2 equiv. Or 2.5 equiv with respect to the salt). After 5 min, propargyl bromide (1.5 eq., 80% in toluene) was added and the resulting mixture was allowed to warm to room temperature. After several hours, the propanation reaction was confirmed to be complete by TLC, the methanol was removed under reduced pressure, and the residue was extracted with water and ethyl acetate or dichloromethane (3 times). Subsequently, the solution was dried and the solvent was removed under reduced pressure, and the residue was purified by silica gel chromatography with a toluene / hexane mixture to obtain the desired compound as a sulfamide sulfide.

Step 2: Radical addition reaction

Degassed toluene (0.5 M) and AIBN or its equivalent radical initiator (5 mol%) were added to the compound prepared in step 1 above. The resulting mixture was heated to 85 캜 and thioacetic acid (1.1 eq) dissolved in toluene (1 M) was added dropwise over 1 hour. Thereafter, the reaction was stirred to maximize the reaction while confirming by TLC. In some cases, the reaction was allowed to proceed fully by addition of thioacetic acid, with care being taken to avoid formation of adducts. After the reaction was completed, the solvent was removed and the residue was purified by silica gel column chromatography using toluene or an ethyl acetate / petroleum ether mixture to give the title compound Z: E isomer as a mixture of vinyl thioacetate in a weight ratio of 2: 1 Respectively.

Step 3: Sulfonation of vinyl disulfide

The compound prepared in the above step 2 was dissolved in methanol (1 M) and cooled to -40 캜 using a cooling bath of acetone nitrile / liquefied nitrogen. KOH (1.05 eq., 1 M) dissolved in methanol was slowly added by syringe and the resulting mixture was stirred for 20 min and then cooled to -78 [deg.] C using a cooling bath of acetone / liquefied nitrogen. Methanol (1.1 eq., 1 M) in which the compound prepared in Preparation Example 1 was dissolved was added to the solution with a syringe and allowed to stand at 0 ° C, stirred for 2 hours, and the reaction quenched with NH ₄ Cl aqueous solution. The organic product was then extracted with ethyl acetate or dichloromethane (3 times), dried, the solvent was removed, and the residue was purified by column chromatography to give the desired compound as a vinyl disulfide.

Step 4: Oxidation reaction

The compound prepared in step 3 was dissolved in dichloromethane (0.2 M), cooled to -78 ° C under a nitrogen gas, and m-CPBA (1.1 eq.) Was added in one portion. The reaction was allowed to proceed to room temperature over several hours until TLC (40% ethyl acetate / petroleum ether) showed that the reaction had run out. The reaction was quenched with saturated aqueous NaHCO ₃ and the product was extracted with ethyl acetate or dichloromethane (3 times). The obtained organic layer was dried under reduced pressure and concentrated to give a residue. This was purified by silica gel column chromatography using a petroleum ether / ethyl acetate mixture to give the final desired compound as an E / Z mixture. In some cases, the stereoisomers could be separated by gravity chromatography using low flow rates, the yield varied from 60 to 90%, and the reaction temperature for optimal conversion was different for each substrate.

1: 2 cis: trans (46.5%, removable)

Obtained form: yellow oil

Rf = 0.27 (n-hexane / ethyl acetate = 2: 1); (2H, m), 5.10-5.14 (1 H, m), 7.21 (1H, d, J = m), 5.10-5.14 (2H, m), 3.81-3.87 (1H, m), 3.65-3.70 (1H, m), 3.25-3.30 (2H, m).

Example 20 Preparation of (Z) -1-allyl-2- (3- (phenylsulfinyl) prop-1-enyl)

Following the procedure of Example 19, the stereoisomer was obtained as the target compound.

1: 2 cis: trans (46.5%, removable)

Obtained form: yellow oil

Rf = 0.27 (n-hexane / ethyl acetate = 2: 1); (1H, m), 5.55-5.62 (1H, m), 6.55 (1H, d, J = m), 5.13-5.20 (2H, m), 3.87-3.93 (1H, m), 3.75-3.81 (1H, m), 3.26-3.34 (2H, m).

Example 21 Preparation of (E) -1- (3- (phenylsulfinyl) prop-1-enyl) -2-propyldisulfane

The procedure of Example 19 was repeated, except that the compound of Preparation Example 2 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 19 to obtain the target compound.

2.5: 1 cis: trans (56.6%, removable)

Obtained form: yellow oil

Rf = 0.27 (n-hexane / ethyl acetate = 2: 1); (1H, m), 5.30-5.37 (2H, m), 7.22 (1H, d, J = , 3.81-3.87 (2H, m), 3.65-3.71 (2H, m), 2.60 (2H, t, J = 7.2 Hz), 1.59-1.69 ); &Lt; 13 &gt; C NMR (100 MHz, CD3OD) [delta] 136.1, 132.6, 130.4, 125.7, 59.3, 48.4, 40.8, 13.3.

Example 22 Preparation of (Z) -1- (3- (phenylsulfinyl) prop-1-enyl) -2-propyldisulfane

Following the procedure of Example 21, the stereoisomer was obtained as the target compound.

2.5: 1 cis: trans (56.6%, removable)

Obtained form: yellow oil

Rf = 0.27 (n-hexane / ethyl acetate = 2: 1); (1H, m), 3.86-3.91 (1 H, m), 6.54 (1H, d, J = m), 3.73-3.79 (1H, m), 2.62 (2H, t, J = 7.2 Hz), 1.58-1.66 (2H, m), 0.96 (3H, t, J = 7.2 Hz).

Example 23 Preparation of (E) -1-benzyl-2- (3- (phenylsulfinyl) prop-1-enyl)

The procedure of Example 19 was repeated, except that the compound of Preparation Example 3 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 19 to obtain the target compound.

1: 1 cis: trans (51.3%, removable)

Obtained form: yellow oil

Rf = 0.27 (n-hexane / ethyl acetate = 2: 1); (5H, m), 6.09 (1H, d, J = 14.4Hz), 5.56-5.64 (5H, m) 1H, m), 3.84 (2H, s), 3.73-3.79 (1H, m), 3.58-3.63 (1H, m); 13 C NMR (100 MHz, CD 3 OD + CDCl 3)? 136.1, 133.6, 131.3, 129.7, 128.9, 128.5, 127.3, 119.2, 41.4, 36.5.

Example 24 Preparation of (Z) -1-benzyl-2- (3- (phenylsulfinyl) prop-1-enyl)

Following the procedure of Example 23, the stereoisomer was obtained as the target compound.

1: 1 cis: trans (51.3%, removable)

Obtained form: yellow oil

Rf = 0.27 (n-hexane / ethyl acetate = 2: 1); (5H, m), 6.21 (1H, d, J = 9.6Hz), 5.38-5.45 (5H, m) 1H, m), 3.86 (2H, s), 3.78-3.84 (1H, m), 3.67-3.72 (1H, m).

Example 25 Preparation of (E) -1- (4-fluorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl)

The procedure of Example 19 was repeated, except that the compound of Preparation Example 4 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 19 to obtain the target compound.

1: 2 cis: trans (48.4%, removable)

Obtained form: yellow oil

Rf = 0.24 (n-hexane / ethyl acetate = 2: 1); (2H, m), 6.98 (1H, m), 5.98 (1H, d, J = 14.4 Hz) , 5.58-5.66 (1H, m), 3.81 (2H, s), 3.56-3.62 (1H, m), 3.44-3.49 (1H, m); 13 C NMR (100 MHz, CDCl 3)? 134.3, 131.5, 131.4, 131.3, 129.4, 124.6, 116.6, 115.9, 115.7, 59.6, 41.7.

Example 26 Preparation of (Z) -1- (4-fluorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl)

The procedure of Example 25 was repeated except that the stereoisomer was obtained as the target compound.

1: 2 cis: trans (48.4%, removable)

Obtained form: yellow oil

Rf = 0.24 (n-hexane / ethyl acetate = 2: 1); (2H, m), 6.23 (1H, d, J = 9.2 Hz), 7.26-7.29 (2H, m) , 5.40-5.47 (1H, m), 3.87 (2H, s), 3.79-3.84 (1H, m), 3.69-3.73 (1H, m).

Example 27 Preparation of (E) -1- (4-methoxybenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl)

The procedure of Example 19 was repeated, except that the compound of Preparation Example 5 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 19 to obtain the target compound.

1: 2 cis: trans (46.6%, removable)

Obtained form: white solid

Rf = 0.24 (n-hexane / ethyl acetate = 2: 1); (2H, d, J = 8.8Hz), 6.09 (1H, d, J = 8.8Hz) , J = 14.8 Hz), 5.56-5.63 (1H, m), 3.79 (2H, s), 3.78 (3H, s), 3.72-3.76 (1H, m), 3.58-3.66 (1H, m).

Example 28 Preparation of (Z) -1- (4-methoxybenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl)

Following the procedure of Example 27, the stereoisomer was obtained as the target compound.

1: 2 cis: trans (46.6%, removable)

Obtained form: white solid

Rf = 0.24 (n-hexane / ethyl acetate = 2: 1); (2H, d, J 8.8 Hz), 7.17 (2H, d, J = 8.8Hz) ), 6.20 (1H, d, J = 9.6 Hz), 5.43-5.49 (1H, m), 3.82 (2H, s), 3.80 1H, m); 13 C NMR (100 MHz, CDCl 3)? 143.2, 138.8, 131.5, 130.8, 129.4, 128.8, 124.6, 118.3, 114.3, 56.4, 55.6, 43.2.

Example 29 Preparation of (E) -1- (4-chlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl)

Following the procedure of Example 28, the stereoisomer was obtained as the target compound.

2: 1 cis: trans (35%, removable)

Obtained form: yellow oil

Rf = 0.25 (n-hexane / ethyl acetate = 2: 1); (2H, m), 7.16 (2H, d, J = 8.4Hz), 5.94 (1H, d, J = 8.4Hz). 1H NMR (400MHz, CDCl3)? 7.45-7.57 14.8 Hz), 5.53-5.61 (1H, m), 3.79 (2H, s), 3.53-3.58 (1H, m), 3.41-3.46 (1H, m).

Example 30 Preparation of (Z) -1- (4-chlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl)

The procedure of Example 19 was repeated except that the compound of Preparation Example 6 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 19 to obtain the target compound.

2: 1 cis: trans (35%, removable)

Obtained form: colorless oil

Rf = 0.33 (n-hexane / ethyl acetate = 2: 1); (2H, d, J = 8.2 Hz), 7.17 (2H, d, J = 8.2 Hz) J = 8.3 Hz), 6.16 (1H, d, J = 9.4Hz), 5.39-5.45 (1H, m), 3.79 (2H, s), 3.66-3.72 (1H, m). 3.57-3.64 (1H, m).

Example 31 Preparation of (E) -1- (3,4-dichlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl)

The procedure of Example 19 was repeated, except that the compound of Preparation 7 was used instead of the compound of Preparation 1 used in Step 3 of Example 19 to obtain the desired compound.

1: 2 cis: trans (37%, removable)

Obtained form: colorless oil

Rf = 0.23 (n-hexane / ethyl acetate = 2: 1); D, J = 8.2, 1.4 Hz), 7.33 (1H, s), 7.09 (1H, d, J = M), 3.42-3.49 (IH, m), 3.76 (2H, s), 5.8-3.61 .

Example 32 Preparation of (Z) -1- (3,4-dichlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl)

Following the procedure of Example 31, the stereoisomer was obtained as the target compound.

1: 2 cis: trans (37%, removable)

Obtained form: colorless oil

Rf = 0.31 (n-hexane / ethyl acetate = 2: 1); (1H, d, J = 8.2 Hz), 7.31 (1H, d, J = 1.8 Hz), 7.10 (1H, dd (1H, m, J = 8.2, 1.9 Hz), 6.20 (1H, d, J = 9.4 Hz), 5.43-5.50 (1H, m), 3.77 1H, m);

Example 33 Preparation of (E) -1-allyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

Isobutyronitrile Im OY corresponding to the Example 19 using benzene thiol in step 1, the titanium or its salt _{(Ph-SC (¼NH 2)} NH 2 þ Br,) in place of 3-methoxy-benzene-thiol or equivalent The target compound was obtained in a similar manner to Example 19, except that the isothiourone salt (3-methoxyphenyl-SC (¼NH ₂ ) NH ₂ þ Br) was used.

Rf = 0.27 (n-hexane / ethyl acetate = 2: 1); (1H, d, J = 7.5 Hz), 7.01-7.04 (1H, m), 7.71 (2H, m), 6.14 (1H, d, J = 14.8Hz), 5.64-5.84 (2H, m), 5.13-5.18 , 7.9, 0.9 Hz), 3.53 (1H, ddd, J = 12.9, 7.9, 0.9 Hz), 3.27 (2H, d, J = 7.4 Hz); 13 C NMR (100 MHz, CDCl 3)? 160.5, 144.3, 134.6, 132.6, 130.2, 119.4, 117.8, 116.4, 116.3, 108.9, 59.5, 55.8, 41.1.

Example 34 Preparation of (Z) -1-allyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 33 was repeated except that the stereoisomer was obtained as the target compound.

Rf = 0.35 (n-hexane / ethyl acetate = 2: 1); (1H, m), 7.02 (1H, dd, J = 7.9 Hz), 7.21-7.20 (1H, m), 7.13-7.10 (1H, m, J = 8.2, 2.1 Hz), 6.48 (1H, d, J = 9.4 Hz), 5.78-5.83 (1H, m), 5.54-5.61 , 3.72-3.83 (1H, m), 3.60-3.70 (1H, m), 3.29 (2H, d, J = 7.4 Hz); 13 C NMR (100 MHz, CDCl 3)? 160.5, 144.3, 138.8, 133.2, 132.7, 130.2, 129.8, 128.2, 119.3, 118.4, 117.9, 116.6, 108.8, 56.2, 55.7, 42.1.

Example 35 Preparation of (E) -1- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane

The procedure of Example 33 was repeated, except that the compound of Preparation Example 2 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 33 to obtain the desired compound.

Rf = 0.27 (n-hexane / ethyl acetate = 2: 1); (1H, m), 7.07 (1H, dd, J = 7.6, 1.2 Hz), 7.02 (1H, (d, J = 7.6, 2.4 Hz), 6.15 (1H, d, J = 14.8 Hz), 5.72-5.75 (1H, m), 3.87 (3H, s), 3.62-3.67 3.65 (1H, m), 2.62 (2H, t, J = 7.2 Hz), 1.63-1.71 (2H, m), 0.98 (3H, t, J = 7.2 Hz);

Example 36 Preparation of (Z) -1- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane

Following the procedure of Example 35, the stereoisomer was obtained as the target compound.

Rf = 0.35 (n-hexane / ethyl acetate = 2: 1); (1H, m), 7.13-7.11 (1H, m), 7.03-7.02 (1H, m) ), 6.50 (1H, d, J = 9.6 Hz), 5.53-5.59 (1H, m), 3.87 (3H, s), 3.79-3.74 2H, t, J = 7.2 Hz), 1.63-1.69 (2H, m), 0.98 (3H, t, J = 7.2 Hz).

Example 37 Preparation of (E) -1-benzyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 33 was repeated, except that the compound of Preparation Example 3 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 33 to obtain the desired compound.

Rf = 0.23 (n-hexane / ethyl acetate = 2: 1); (1H, m), 7.06 (1H, d, J = 8 Hz), 7.30 (1H, ), 7.02 (1H, dd, J = 8.2,2.5Hz), 5.98 (1H, d, J = 14.8 Hz), 5.55-5.64 (1H, m), 3.83 m), 3.49-3.43 (2H, m); 13 C NMR (100 MHz, CDCl 3)? 160.4, 144.2, 136.6, 134.2, 130.1, 129.5, 128.7, 127.7, 117.8, 116.4, 116.2, 108.9, 59.5, 55.7, 42.5.

Example 38 Preparation of (Z) -1-benzyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

Following the procedure of Example 37, the stereoisomer was obtained as the target compound.

1: 1.5 cis: trans (40%, removable)

Obtained form: yellow oil

Rf = 0.31 (n-hexane / ethyl acetate = 2: 1); (1H, s), 7.08 (1H, d, J = 8 Hz), 7.28 (1H, ), 7.01 (1H, dd, J = 8.2,2.5 Hz), 6.17 (1H, d, J = 9.4 Hz), 5.40-5.48 m), 3.63 ~ 3.57 (1H, m); 13 C NMR (100 MHz, CDCl 3)? 160.5, 144.5, 138.3, 136.8, 130.2, 129.5, 128.7, 127.7, 118.3, 117.8, 116.5, 108.8, 56.2, 55.7, 43.5.

Example 39 Preparation of (E) -1- (4-fluorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 33 was repeated, except that the compound of Preparation Example 4 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 33 to obtain the target compound.

1: 2 cis: trans (38%, removable)

Obtained form: Yellow solid

Rf = 0.23 (n-hexane / ethyl acetate = 2: 1); (2H, m), 7.15-7.17 (1H, m), 7.07 (1H, dd, J) (1H, s), 3.81 (2H, s), 3.91 (2H, s) , 3.61-3.56 (1H, m), 3.48-3.43 (1H, m);

Example 40 Preparation of (Z) -1- (4-fluorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

Following the procedure of Example 39, the stereoisomer was obtained as the target compound.

1: 2 cis: trans (38%, removable)

Obtained form: Yellow solid

Rf = 0.31 (n-hexane / ethyl acetate = 2: 1); (2H, m), 7.18-7.19 (1H, m), 7.09 (1H, d, J = 7.9 Hz) (1H, s), 3.73 (3H, s), 3.73 (1H, s) 3.67 (1H, m), 3.59-3.63 (1H, m).

Example 41 Preparation of (E) -1- (4-chlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 33 was repeated, except that the compound of Preparation Example 6 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 33 to obtain the target compound.

2: 1 cis: trans (38%, removable)

Obtained form: colorless oil

Rf = 0.23 (n-hexane / ethyl acetate = 2: 1); (2H, m), 7.18-7.16 (3H, m), 7.07 (1H, d, J = 8 Hz, (1H, d, J = 8.6 Hz), 7.02 (1H, dd, J = 8.2, 2.1 Hz), 5.98 (100 MHz, CDCl 3) 隆 160.5, 144.1, 135.3, 133.9, 133.6, 130.8, 130.2, 128.8, 117.8, 116.5, 1H), 3.57-3.52 (1H, m), 3.44-3.39 116.4, 108.9, 59.3, 55.7, 41.6.

Example 42 Preparation of (Z) -1- (4-chlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

Following the procedure of Example 41, the stereoisomer was obtained as the target compound.

2: 1 cis: trans (38%, removable)

Obtained form: colorless oil

Rf = 0.31 (n-hexane / ethyl acetate = 2: 1); (2H, m), 7.20-7.18 (3H, m), 7.08 (1H, d, J = (1H, d, J = 9.4 Hz), 7.01 (1H, dd, J = 8.2, 2.6 Hz), 6.18 s), 3.73 ~ 3.69 (1H, m), 3.63 ~ 3.59 (1H, m); 13 C NMR (100 MHz, CDCl 3)? 160.5, 144.3, 138.1, 135.4, 133.6, 133.0, 130.9, 130.8, 130.2, 130.2, 129.7, 128.8, 128.2, 118.6, 117.8, 116.5, 108.8, 56.1, 55.7, 42.6.

Example 43 Preparation of (E) -1- (3,4-dichlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 33 was repeated, except that the compound of Preparation 7 was used instead of the compound of Preparation 1 used in Step 3 of Example 33 to obtain the desired compound.

1: 2 cis: trans (47%, removable)

Obtained form: colorless oil

Rf = 0.23 (n-hexane / ethyl acetate = 2: 1); (1H, d, J = 8.2 Hz), 7.16-7.15 (1H, d, J = (1H, m), 7.10-7.06 (2H, m), 7.02 (1H, dd, J = 8.2, 2.5 Hz), 6.00 (1H, d, J = 14.8 Hz), 5.65-5.57 3H, s), 3.76 (2H, s), 3.62 ~ 3.56 (1H, m), 3.47 ~ 3.42 (1H, m); 13 C NMR (100 MHz, CDCl 3) 隆 160.5, 144.2, 137.1, 133.6, 132.6, 131.9, 131.3, 130.6, 130.2, 128.9, 117.7, 117.0, 116.4, 108.9, 76.8, 59.2, 55.8, 41.1.

Example 44 Preparation of (Z) -1- (3,4-dichlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl)

Following the procedure of Example 43, the stereoisomer was obtained as the target compound.

1: 2 cis: trans (47%, removable)

Obtained form: colorless oil

Rf = 0.31 (n-hexane / ethyl acetate 2: 1); (2H, m), 7.34 (1H, d, J = 2.0 Hz), 7.19-7.17 (1H, m), 7.11-7. (2H, s), 3.72 (2H, s), 7.01 (1H, dd, J = 8.2,2.5 Hz), 6.21 3.67 (1H, m), 3.60-3.54 (1H, m); 13 C NMR (100 MHz, CDCl 3)? 160.5, 144.4, 137.9, 137.3, 132.6, 131.9, 131.4, 130.7, 130.3, 128.9, 119.0, 117.8, 116.5, 108.8, 56.1, 55.8, 42.1.

Example 45 Preparation of (E) -1-allyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

Isobutyronitrile Im OY corresponding to the Example 19 using benzene thiol in step 1, the titanium or its salt _{(Ph-SC (¼NH 2)} NH 2 þ Br,) in place of 4-methoxybenzene thiol or equivalent The target compound was obtained in a similar manner to Example 19, except that the isothiourone salt (4-methoxyphenyl-SC (NNH ₂ ) NH ₂ Br Br,) was used.

2: 1 cis: trans (16.3%, removable)

Obtained form: colorless oil

Rf = 0.20 (n-hexane / ethyl acetate = 2: 1); (E) IR (neat, cm-1) 2916, 2848, 2358, 1733, 1593, 1496, 1462, 1258, 1086, 1018, 893, 797; D, J = 8.8 Hz), 6.11 (1H, d, J = 14.8Hz), 5.63-5.82 (2H, m ), 5.17 (2H, s), 5.14 (2H, d J = 4.8 Hz), 3.86 (3H, s), 3.50-3.52 (2H, m), 3.27 (2H, d, J = 7.6 Hz); 13 C NMR (100 MHz, CDCl 3)? 134.6, 132.6, 130.9, 126.4, 119.4, 116.5, 114.8, 92.6, 59.6, 55.7, 41.1, 38.1.

Example 46 Preparation of (Z) -1-allyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

Following the procedure of Example 45, the stereoisomer was obtained as the target compound.

2: 1 cis: trans (16.3%, removable)

Obtained form: colorless oil

Rf = 0.20 (n-hexane / ethyl acetate = 2: 1); (Z) IR (neat, cm-1) 2916, 2848, 2358, 1592, 1494, 1455, 1303, 1251, 1172, 1129, 1085, 1046, 926, 830; (2H, d J = 8.8 Hz), 6.45 (1H, d J = 9.2 Hz), 5.72-5.83 (1H, m) , 5.51-5.58 (1H, m), 5.12-5.17 (2H, m), 3.85 (3H, s), 3.62-3.72 (2H, m), 3.34 (2H, d, J = 7.6 Hz); 13 C NMR (100 MHz, CDCl 3)? 138.57, 133.88, 132.74, 126.38, 119.25, 118.59, 115.00, 114.83, 56.45, 55.67, 42.11, 34.79.

Example 47: Preparation of (E) -1- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane

The procedure of Example 45 was repeated except that the compound of Preparation Example 2 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 45 to obtain the target compound.

2: 1 cis: trans (16.3%, removable)

Obtained form: colorless oil

(E) IR (neat, cm-1) 2961, 1715, 1592, 1494, 1302, 1251, 1086, 1027, 829; (2H, d, J = 8.8 Hz), 6.12 (1H, d, J = 14.8Hz), 5.63-5.71 (1H, (m, 2H), 3.87 (3H, s), 3.58 (2H, dd, J = 1.6, 6.8 Hz), 2.62 (3H, t, J = 7.6 Hz); 13 C NMR (100 MHz, CDCl 3)? 135.01, 133.29, 130.11, 118.92, 117.88, 116.47, 115.52, 108.83, 59.59, 55.74, 40.26, 35.34, 22.48, 13.17.

Example 48 Preparation of (Z) -1- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane

Following the procedure of Example 47, the stereoisomer was obtained as the target compound.

2: 1 cis: trans (16.3%, removable)

Obtained form: yellow oil

Rf = 0.20 (n-hexane / ethyl acetate = 2: 1); (Z) IR (neat, cm-1) 2961, 1716, 1591, 1494, 1302, 1250, 1086, 1027, 829; (2H, d, J = 8.8 Hz), 6.48 (1H, d, J = 9.6 Hz), 5.50-5.56 (1H, , 3.96 (3H, s), 3.74-3.64 (2H, m), 2.63 (2H, t, J = 6.8 Hz), 1.64 (2H, q, J = 7.2 Hz), 0.97 J = 7.6 Hz); 13 C NMR (100 MHz, CDCl 3)? 160.48, 144.52, 139.42, 130.21, 117.89, 117.84, 116.55, 108.75, 56.29, 55.75, 41.25, 22.34, 13.11.

Example 49 Preparation of (Z) -1-benzyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 45 was repeated except that the compound of Preparation Example 3 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 45 to obtain the target compound.

2: 1 cis: trans (32.3%, removable)

Obtained form: colorless oil

Rf = 0.24 (n-hexane / ethyl acetate = 2/1); (Z) IR (neat, cm-1) 2914, 1733, 1591, 1492, 1454, 1301, 1247, 1170, 1085, 1025, 826; (2H, d, J = 8.8 Hz), 7.24-7.33 (5H, m), 6.16 (1H, d, J = 8.8 Hz) 9.2 Hz), 5.39-5.45 (1H, m), 3.84 (3H, s), 3.59-3.68 (2H, m); 13 C NMR (100 MHz, CDCl 3)? 138.2, 129.5, 129.1, 128.7, 127.7, 126.4, 118.4, 114.8, 114.6, 56.4, 55.6, 43.6.

Example 50 Preparation of (Z) -1-benzyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

Following the procedure of Example 49, the stereoisomer was obtained as the target compound.

2: 1 cis: trans (32.3%, removable)

Obtained form: yellow oil

Rf = 0.24 (n-hexane / ethyl acetate = 2/1); (E) IR (neat, cm-1) 2919, 1590, 1490, 1455, 1288, 1247, 1171, 1087, 1028, 822; D, J = 8.8 Hz), 7.03 (2H, d, J = 8.8 Hz), 7.23-7.31 (5H, m), 5.96 14.8 Hz), 5.54-5.61 (1H, m), 4.83 (3H, s), 3.49-3.52 (2H, m); 13 C NMR (100 MHz, CDCl 3)? 134.1, 133.3, 129.5, 128.7, 127.8, 126.4, 116.6, 114.8, 59.7, 55.7, 42.6, 38.1.

Example 51: Preparation of (E) -1- (4-fluorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 45 was repeated except that the compound of Preparation Example 4 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 45 to obtain the target compound.

2: 1 cis: trans (32.3%, removable)

Obtained form: colorless oil

Rf = 0.18 (n-hexane / ethyl acetate = 2: 1); (E) IR (neat, cm-1) 2962, 2837, 1593, 1508, 1495, 1457, 1408, 1303, 1252, 1222, 1156, 1086, 1027, 942, 830; D, J = 5.6, 8.4 Hz), 6.97-7.04 (4H, m), 5.97 (1H, d, J = 8.8 Hz) J = 14.8 Hz), 5.57-5.65 (1H, m), 4.84 (3H, s), 3.81 (2H, s), 3.45-3.56 (2H, m); 13 C NMR (100 MHz, CDCl 3) δ 162.2, 133.9, 131.2, 131.1, 130.8, 126.4, 116.8, 116.1, 115.7, 115.5, 114.8, 59.6, 55.7, 41.6, 38.1.

Example 52 Preparation of (Z) -1- (4-fluorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

Following the procedure of Example 51, the stereoisomer was obtained as the target compound.

2: 1 cis: trans (16.3%, removable)

Obtained form: colorless oil

Rf = 0.18 (n-hexane / ethyl acetate = 2/1); (Z) IR (neat, cm-1) 2961, 2837, 1593, 1577, 1508, 1303, 1252, 1221, 1171, 1157, 1087, 1047, 829; (2H, d, J = 5.6,8.4 Hz), 6.97-7.02 (4H, m), 6.16 (1H, d, J = 8.8 Hz) J = 9.6 Hz), 5.39-5.46 (1H, m), 3.84 (3H, s), 3.82 (2H, s), 3.61-3.65 (2H, m); 13C NMR (100 MHz, CDCl3) δ 163.6, 138.1, 133.8, 131.2, 131.1, 126.4, 118.6, 115.7, 115, 5, 114.8, 56.4, 55.7, 42.6.

Example 53 Preparation of (E) -1- (4-chlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 45 was repeated except that the compound of Preparation Example 6 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 45 to obtain the target compound.

2: 1 cis: trans (16.3%, removable)

Obtained form: yellow oil

Rf = 0.19 (n-hexane / ethyl acetate = 2: 1); (E) IR (neat, cm-1) 2963, 2837, 1593, 1494, 1461, 1440, 1406, 1319, 1256, 1179, 1147, 1087, 1026, 940, 831; (2H, d, J = 8.4 Hz), 7.08 (2H, d, J = 8.4 Hz) M), 3.84 (2H, s), 3.44 (2H, s), 3.44 (2H, m) ; 13 C NMR (100 MHz, CDCl 3) δ 162.2, 135.3, 133.8, 130.9, 128.9, 127.6, 126.4, 116.9, 114.8, 59.6, 55.7, 41.7, 37.9.

Example 54 Preparation of (Z) -1- (4-chlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

Following the procedure of Example 53, the stereoisomer was obtained as the target compound.

2: 1 cis: trans (16.3%, removable)

Obtained form: yellow oil

Rf = 0.19 (n-hexane / ethyl acetate = 2: 1); (Z) IR (neat, cm-1) 2960, 2835, 1592, 1491, 1405, 1302, 1250, 1170, 1145, 1087, 1046, 829; D, J = 8.8 Hz), 7.18-7.29 (4H, m), 7.01 (2H, d, J = 8.8 Hz), 6.16 9.2 Hz), 5.39-5.46 (1H, m), 3.84 (3H, s), 3.81 (2H, s), 3.58-3.67 (2H, m); 13C NMR (100 MHz, CDCl3) δ 162.3, 137.9, 132.5, 130.9, 128.9, 126.4, 118.8, 114.8, 56.5, 56.4, 55.7, 46.1, 42.7.

Example 55: Preparation of (E) -1- (3,4-dichlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 45 was repeated except that the compound of Preparation Example 7 was used instead of the compound of Preparation Example 1 used in Step 3 of Example 45 to obtain the target compound.

2: 1 cis: trans (16.3%, removable)

Obtained form: Yellow solid

Rf = 0.20 (n-hexane / ethyl acetate = 2/1); (E) IR (neat, cm-1) 2962, 1714, 1592, 1495, 1470, 1395, 1303, 1254, 1171, 1133, 1086, 1030, 827; (2H, d, J = 8 Hz), 7.34 (1H, d, J = 2 Hz), 7.10 (1H, d, J = 8.8 Hz) (1H, m), 3.85 (3H, s), 3.76 (2H, d, J = 8.8 Hz) (2H, s), 3.44-3.57 (2H, m); 13 C NMR (100 MHz, CDCl 3)? 137.09, 133.59, 131.4, 130.6, 128.9, 126.3, 117.4, 114.9, 59.46, 55.68, 41.09.

Example 56 Preparation of (Z) -1- (3,4-dichlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl)

The procedure of Example 55 was repeated except that the stereoisomer was obtained as the target compound.

2: 1 cis: trans (16.3%, removable)

Obtained form: Yellow solid

Rf = 0.20 (n-hexane / ethyl acetate = 2/1); (Z) IR (neat, cm-1) 2963, 1592, 1494, 1469, 1440, 1408, 1303, 1260, 1171, 1087, 1029, 798; D, J = 8 Hz), 7.38 (1H, d, J = 8 Hz), 7.10 (1H, d, J = (1H, m), 3.77 (2H, d, J = 8.8 Hz), 7.02 (2H, s), 3.57-3.69 (2H, m); 13 C NMR (100 MHz, CDCl 3) δ 162.2, 137.5, 137.1, 133.6, 132.4, 131.7, 131.2, 130.5, 128.7, 126.2, 118.9, 114.7, 56.1, 55.5, 41.9.

&Lt; Comparative Example 1 > Preparation of E-Ajoene

The objective compound was prepared in a similar manner to the preparation of the compound of Example.

Colorless 2: 1 Z: E mixture (48.5%, removable); R _f = 0.36 (n-hexane / Ethyl acetate 1: 2); ^{(E) 1 H NMR (400} MHz, CDCl 3) δ 6.39 (1H, d, J = 14.8 Hz), 5.78 ~ 5.98 (3H, m), 5.39 ~ 5.49 (2H, m), 5.17 ~ 5.22 (2H, m), 3.48 ~ 3.65 (3H, m), 3.36 ~ 3.45 (3H, m); ¹³ C NMR (100 MHz, CDCl ₃ )? 134.7, 132.5, 125.5, 123.8, 119.2, 116.7, 54.3, 52.9, 41.3. IR (NaCl) cm- ¹ ; HRMS-ESI

&Lt; Comparative Example 2 > Preparation of Z-azoene (Z-Ajoene)

The objective compound was prepared in a similar manner to the preparation of the compound of Example.

^{(Z) 1 H NMR (400} MHz, CDCl 3) δ 6.53 (1H, d, J = 9.2 Hz), 5.69 ~ 5.89 (3H, m), 5.37 ~ 5.45 (2H, m), 5.13 ~ 5.18 (2H, m), 3.46-3.65 (4H, m), 3.34-3.40 (2H, m). ^{13 C NMR (100 MHz, CDCl} 3) δ 138.9, 132.9, 125.9, 124.2, 119.6, 118.3, 55.2, 49.9, 42.4.

The chemical structures of the compounds prepared in Examples 1 to 56 are summarized in Table 1 below.

Example constitutional formula One

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

Experimental Example 1 Evaluation of HDAC Inhibitory Activity

In order to evaluate the inhibitory activity against the histone deacetylation (HDAC) enzyme of the novel compounds of the present invention, the following experiment was conducted.

Specifically, HDAC enzyme assay as was based on a uniform fluorescence emission analysis, first, the analysis buffer containing 25 mM HEPES (pH 8.0), 137 mM NaCl, 1 mM MgCl 2, and 2.7 mM KCL, various concentrations The recombinant HDAC enzyme was cultured by treating each of the diluted compound of the present invention, the SAHA or the comparative compound. After 10 minutes, the fluorescence inducing substrate Boc-Lys (acetyl) -AMC was added and further incubated at 37 [deg.] C. At this time, the concentration and the incubation time of the fluorogenic substrate were controlled according to the isotypes of the HDAC enzyme. The reaction was then quenched with trypsin for 20 min at room temperature to allow the glare signal to be amplified. Fluorescence intensity measurements were made using a fluorescence analyzer at an excitation wavelength of 380 nm and an emission wavelength of 460 nm, respectively. The inhibition ratio was calculated from the measured fluorescence intensity of the test well for the control wells, and the IC ₅₀ value of the compound was determined by analyzing the dose-response inhibition curve, and the results are shown in Table 2.

In addition, SAHA (Vorinostat) was used as a reference compound to exhibit inhibitory activity against HDAC 8 in a percentage, and the results are shown in Table 2.

Isomer R ¹ R ² IC ₅₀ ([mu] M) Inhibitory activity (%) HDAC 1 HDAC 6 HDAC 8 HDAC 8 Comparative Example 1 E Ally Ally 73.4 Comparative Example 2 Z Ally Ally 52.5 Example 19 E Phenyl Ally 32.1 Example 20 Z Phenyl Ally 37.5 Example 21 E Phenyl profile 43.8 Example 22 Z Phenyl profile 115.2 Example 23 E Phenyl benzyl 88.6 Example 24 Z Phenyl benzyl 3.89 49.15 0.043 129.1 Example 25 E Phenyl 4-FB 37.1 Example 26 Z Phenyl 4-FB 24.9 Example 27 E Phenyl 4-MB 48.7 Example 28 Z Phenyl 4-MB 73.8 Example 29 E Phenyl 4-CB 74.4 Example 30 Z Phenyl 4-CB 105.4 Example 31 E Phenyl 3,4-DCB 76.6 Example 32 Z Phenyl 3,4-DCB 146.4 Example 33 E 3-MP Ally 84.6 Example 34 Z 3-MP Ally 105.3 Example 35 E 3-MP profile 78.4 Example 36 Z 3-MP profile 3.52 1.10 0.035 147.2 Example 37 E 3-MP benzyl 88.1 Example 38 Z 3-MP benzyl 114.3 Example 39 E 3-MP 4-FB 109.2 Example 40 Z 3-MP 4-FB 122.9 Example 41 E 3-MP 4-CB 72.6 Example 42 Z 3-MP 4-CB 1.27 140.4 Example 43 E 3-MP 3,4-DCB 138.9 Example 44 Z 3-MP 3,4-DCB 161.9 Example 45 E 4-MP Ally 39.8 Example 46 Z 4-MP Ally 73.5 Example 47 E 4-MP profile 69.9 Example 48 Z 4-MP profile 52.9 Example 49 Z 4-MP benzyl 4.55 0.55 0.037 150.4 Example 50 E 4-MP benzyl 74.6 Example 51 E 4-MP 4-FB 111.7 Example 52 Z 4-MP 4-FB 68.1 Example 53 E 4-MP 4-CB 107.2 Example 54 Z 4-MP 4-CB 98.7 Example 55 E 4-MP 3,4-DCB 106.1 Example 56 Z 4-MP 3,4-DCB 55.5

(In Table 2,

Inhibitory activity (%): (HDAC inhibitory activity of Example compound / HDAC inhibitory activity of SAHA) × 100;

4-FB: 4-fluorobenzyl;

4-MB: 4-methoxybenzyl;

4-CB: 4-chlorobenzyl;

3,4-DCB: 3,4-dichlorobenzyl;

3-MP: 3-methoxyphenyl; And

4-MP: 4-methoxyphenyl).

As can be seen in Table 2, the novel compounds of the present invention were found to have inhibitory activity against HDACs 1, 6 and 8, and exhibited selective inhibitory activity of about 30 to 100 fold for HDAC 8 versus HDAC 8 Respectively. In particular, in Example 36, the IC ₅₀ value for HDAC8 was found to be 35 nM, indicating that the selective inhibitory activity was excellent.

<Experimental Example 2> Evaluation of proliferation inhibitory activity on neuroblastoma cell lines

To evaluate the proliferation inhibitory activity of the novel compounds of the present invention on neuroblastoma cell lines, the following experiment was conducted.

Specifically, in order to confirm the effect of the novel compounds of the present invention on the proliferation of neuroblastoma cells, the inventive compound of the present invention and a broad spectrum HDAC inhibitor SAHA were used as a positive control, and 5 kinds of neuroblastoma Cell lines were treated and the cell viability was analyzed using the CCK 8 kit.

Four types of human neuroblastoma cell lines (IMR32, SH-SY5Y, SK-N-SH and SK-N-MC) and BE (2) -C cells were purchased from Korean Cell Line Bank and ATCC (American Type Culture Collection, USA). The culture medium information for each cell is shown in Table 3 below, and all cells were maintained at 37 ° C in a 5% CO ₂ atmosphere.

Cell line Culture medium
IMR32
(Corning, Calif.) Supplemented with L-glutamine (300 mg / L, Gibco), 25 mM HEPES (Gibco, MA, USA), 10% heat inactivated FBS (Corning) and 1% penicillin streptomycin (Gibco) Amerterdam, Netherlands)

SH-SY5Y

MEM (Corning) supplemented with 25 mM HEPES, 10% heat inactivated FBS and 1% penicillin streptomycin,

SK-N-SH
MEM (Corning) supplemented with L-glutamine (300 mg / L), 25 mM HEPES, 10% heat-inactivated FBS and 1% penicillin streptomycin,

SK-N-MC

DMEM (Corning) supplemented with 10% heat-inactivated FBS and 1% penicillin streptomycin

BE (2) -C
DMEM-F12 (Corning) supplemented with 10% heat-inactivated FBS and 1% penicillin streptomycin

Cells (1 x 10 ⁴ cells / well) cultured in each of the above culture media were plated in 96-well plates (Corning) for 24 hours, and then SAHA (5 μM ) Or each of the example compounds (5 [mu] M) was treated for 48 hours. To determine cell viability, 10 μL of a cell count kit CCK-8 solution (Dojindo Laboratories, Tokyo, Japan) was added to each well and the plated cells were incubated at 37 ° C for 3 hours. Absorbance was measured at 450 nm using a microplate reader (BIoTek, VT, USA) and the results are shown in Table 4 and FIG.

Neuroblastoma cell line (viability%) IMR-32 SH-SY5Y SK-N-MC SK-N-SH BE-2C Untreated group 100% 100% 100% 100% 100% SAHA 37% 44% 27% 40% 34% Comparative Example 1 93% 72% 95% 78% 91% Comparative Example 2 92% 107% 96% 90% 95% Example 22 88% 116% 100% 51% 95% Example 23 72% 47% 68% 41% 51% Example 24 63% 50% 73% 50% 66% Example 11 89% 90% 101% 67% 94% Example 12 95% 71% 95% 68% 80% Example 13 92% 89% 98% 89% 99% Example 18 36% 36% 40% 31% 39% Example 30 74% 63% 77% 64% 82% Example 32 91% 76% 99% 82% 95% Example 49 56% 42% 58% 35% 38% Example 51 51% 34% 51% 30% 35% Example 53 51% 36% 56% 36% 43% Example 55 82% 93% 98% 78% 76% Example 34 83% 61% 88% 56% 69% Example 35 62% 47% 63% 35% 40% Example 36 61% 44% 68% 38% 38% Example 37 49% 44% 61% 39% 50% Example 38 56% 47% 68% 48% 61% Example 39 43% 40% 55% 34% 42% Example 40 49% 42% 59% 38% 41% Example 41 61% 46% 54% 46% 100% Example 42 78% 54% 78% 66% 43% Example 43 99% 114% 112% 102% 66% Example 44 97% 107% 113% 101% 74%

(All data in Table 3 above are expressed as mean ± standard deviation (SD) in at least three experiments and statistical significance was determined using unpaired Student's test using GraphPad Prism 5. Difference with p value of less than 0.05 Is considered statistically significant.)

Table 3 and Referring to Figure 1, the present invention as novel compounds hayeoteul evaluated in conjunction with structural features and antiproliferative activity of the embodiment the proliferation inhibitory activity was confirmed against a neuroblastoma cell line, especially for example, compounds, than in the case of R ¹ is benzyl Phenyl, and phenyl substituted with a substituent, it was confirmed that a more excellent neuroblastoma proliferation inhibitory activity was exhibited.

On the other hand, when evaluated on the basis of individual compounds, it was confirmed that Examples 18, 35, 36, 37, 39, 40, 49, 51, and 53 had remarkable proliferation inhibitory activity on neuroblastoma cell lines.

<Experimental Example 3> Evaluation of proliferation inhibitory activity of neuroblastoma through bioluminescence imaging

In order to more intensively evaluate the proliferation inhibitory activity of the novel compounds of the present invention on neuroblastoma cells, bioluminescence imaging was used as follows.

Specifically, the proliferation inhibitory activity of BE (2) -C / Luc2 cells was evaluated by bioluminescence imaging using SAHA as the compound of Example 49 and a positive control. BE (2) -C cells are well-established neuroblastoma cell lines that are resistant to chemotherapy, aggressive, and have MYCN amplification and p53 mutations. Thus, luciferase, which can be used for more sensitive monitoring of cell viability and expresses BE (2) -C-cells called BE (2) -C / Luc2, is established as follows and proliferation through bioluminescence imaging Activity can be evaluated.

First, BE (2) -C cells were transfected with 5 μg / mL polybrene (Sigma-Aldrich, MO, USA) and lentivirus co-expressing the luciferase reporter gene Luc2 and the puromycin resistance gene. After 48 hours, stably transfected cells were selected for 2 weeks with 4 ug / ml puromycin (Sigma). The Luc2 positive group with puromycin resistance was referred to as BE (2) -C / Luc2 cells. BE (2) -C / Luc2 cells (1 × 10 ⁴ cells / well) were plated on 6-well plates for 24 hours and then incubated with 5 μM SAHA or 0.6, 1.25, 2.5 and 5.0 μM of Example 49 for 72 hours Lt; / RTI &gt; Luciferase activity was measured in BE (2) -C / Luc2 cells by adding D-luciferin (PerkinElmer, MA, USA) to each well and measuring the bioluminescence signal using IVIS Spectrum-CT (PerkinElmer) , Gray scale photographic images and bioluminescence color images were superimposed using LIVINGIMAGE (version 2.12, PerkinElmer) and IGOR Image Analysis FX software (WaveMetrics, OR), and the BLI signals were measured in P / cm ² / s / sr And the results obtained from the above-described experiment are shown in Fig.

2, it was confirmed that the compound of Example 49 of the present invention had excellent neuroblastoma proliferation inhibitory activity as compared to the positive control, SAHA. Specifically, 5 [mu] M SAHA (control) decreased BE (2) -C cell viability to about 6%, and compound of Example 49 decreased the cell viability in a dose-dependent manner, The cell proliferation inhibitory activity of the compound of Example 49 of the present invention was significantly superior to the neuroblastoma cells.

Experimental Example 4 Evaluation of acetylation in neuroblastoma through immunoblot analysis

In order to evaluate the effect of the novel compounds of the present invention on acetylation in neuroblastoma cells, the following experiment was conducted.

Specifically, the effect of the novel compounds of the present invention on acetylation in BE (2) -C cells was evaluated by immunoblot analysis to evaluate the proliferation inhibitory activity of the novel compounds of the present invention in neuroblastoma cells.

BE (2) -C cells were treated with SAHA (5 μM), Example 49 (2.5 and 5 μM), or PCI34051 (5 μM), respectively, using SAHA as a positive control and PCI34051 as a conventional HDAC 8 selective inhibitor. For 48 hours. The treated cells were then washed twice with cold PBS and lysed with RIPA buffer containing the complete protease inhibitor cocktail (Roche, IN, USA). Equal amounts of protein were added to each lane and analyzed using a 4-12% gradient bistless gel (Invitrogen, MA, USA). Proteins were transferred to 0.2-μm PVDF membranes (Invitrogen) and membranes were incubated with primary human acetyllysine (Cell Signaling, MA, USA), acetyl histone H3 (Millipore, MA, USA), acetyl histone H4 (Millipore) Sigma) antibody at 4 &lt; 0 &gt; C overnight. The appropriate HRP-conjugated secondary antibody (Thermo, MA, USA) was then treated at room temperature and each sample was probed with HRP-conjugated primary beta -actin antibody (Abcam, MA, USA) for loading control. Peroxidase activity was detected according to the manufacturer's protocol using ECL-Plus (GE healthcare, PA, USA), and the results are shown in FIG.

3, positive control SAHA induced a clear increase in total lysine acetylation as well as acetyl-histone H3, H4, and tubulin in BE (2) -C cells, but not in the HDAC8 substrate aggregate complex protein acetyl SMC3 No increase was observed. In contrast, a significant increase in SMC3 acetylation was detected in PCI34051 treated cells. However, relative changes in histone H3, histone H4, tubulin acetylation were not evident in these cells, indicating HDAC8 selectivity.

The treatment of Example 49 of the invention induced upregulation of acetyl-SMC3 in a dose-dependent manner. Also, increased acetylation of histone H3 and histone H4 was observed in the cells treated with Example 49 without up-regulation of acetyl-tubulin.

These results indicate that the compound of Example 49 is a compound having selectivity to HDAC8 relative to other HDACs.

Therefore, it was found that the novel compound of the present invention can excellently inhibit the proliferation of neuroblastoma, which is achieved from the inhibitory activity of HDAC, and is a compound which shows excellent selectivity against HDAC 8 .

&Lt; Experimental Example 5 > Evaluation of inhibitory activity on proliferation of neuroblastoma in an animal model

In order to evaluate the neuroblastoma proliferation inhibitory activity in the animal model of the novel compound of the present invention, the following experiment was conducted.

Through the oral administration of the compound of Example 49 of the present invention, proliferation inhibitory activity was evaluated in a mouse model of BE (2) -C neuroblastoma transplantation.

Nude mice were used at 6 weeks of age in aseptic nude mice and purchased from Orient (Korea). All animal experimental protocols were approved by the Animal Handling and Use Committee of the Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF, IACUC number: DGMIF-17042502-00). Nude mice were xenotransplanted with 5 X 10 ⁶ BE (2) -C / Luc2 cells and when inoculation of the tumor mass was detected based on the prognosis and promotion, the in vivo treatment was performed as described in Figure 4A Lt; / RTI &gt; BE (2) -C / Luc2 tumor-bearing mice were divided into the following three groups: Group 1: vehicle; Group 2: 50 mg / kg SAHA for 10 days; Group 3: 50 mg / kg Example 49 Treatment group for 10 days. Tumor-bearing mice received each drug via oral gavage. Tumor volume (mm ³ ) was calculated as (AXB ² ) / 2, where A is the long diameter and B is the short diameter. The body weight was also monitored once a week and the results are shown in FIG.

As shown in Figure 4, the antitumor activity of Example 49 was evaluated in mice bearing BE (2) -C cells. As shown in Figure 4B, the vehicle-treated mouse showed rapid tumor progression. However, treatment with 50 mg / kg (mpk) SAHA showed a slight delay in tumor growth, but no significant difference between the vehicle and the SAHA group. On the other hand, mice treated with 50 mg / kg of Example 49 showed a significant inhibitory effect on tumor growth (P < 0.05), and in comparison with Example 49, the tumor mass was significantly reduced compared to the vehicle group (P < 0.05). On the other hand, no significant change in mouse weight was observed in all groups during treatment (Fig. 4E).

From this, it can be seen that the novel compound of the present invention can be used as an effective oral therapeutic agent for neuroblastoma.

Claims (8)

A pharmaceutical composition for the prophylaxis or treatment of neuroblastoma, comprising a compound represented by the following formula (1), a stereoisomer thereof or a pharmaceutically acceptable salt thereof as an active ingredient:
[Chemical Formula 1]

(In the formula 1,
R ¹ is allyl, unsubstituted or substituted benzyl, or unsubstituted or substituted phenyl,
Wherein said substituted phenyl and substituted benzyl are independently selected from the group consisting of hydroxy, amine, nitro, cyano, halogen, allyl, unsubstituted or substituted C _1-5 straight or branched chain alkyl, and unsubstituted or substituted and the C is one or more substituents selected from the group consisting of a straight or branched chain alkoxy of _{1 to 5} may be substituted,
Wherein said substituted alkyl and substituted alkoxy can be independently substituted with one or more substituents selected from the group consisting of a hydroxy group, a halogen, an amine, a nitro, and a cyano;

R ² is an unsubstituted or substituted C _2-6 straight or branched chain alkenyl, unsubstituted or substituted C _1-5 straight or branched chain alkyl, unsubstituted or substituted C _1-5 straight or branched Alkoxy, or unsubstituted or substituted C _1-3 alkyl C _6-10 aryl,
Wherein said substituted alkenyl, substituted alkyl, substituted alkoxy and substituted alkylaryl are independently selected from the group consisting of hydroxy, halogen, amine, nitro, cyano, unsubstituted or substituted C _1-3 straight or branched Alkyl and an unsubstituted or substituted C &lt; _1-3 &gt; straight or branched alkoxy).
The method according to claim 1,
R ¹ is allyl, unsubstituted or substituted benzyl, or unsubstituted or substituted phenyl,
Wherein said substituted phenyl and substituted benzyl are independently selected from the group consisting of hydroxy, halogen, unsubstituted or substituted C _1-3 straight or branched chain alkyl, and unsubstituted or substituted C _1-3 straight or branched Lt; / RTI &gt; may be substituted with one or more substituents selected from the group consisting of &lt; RTI ID = 0.0 &gt;
Wherein said substituted alkyl and substituted alkoxy can be independently substituted with one or more substituents selected from the group consisting of a hydroxy group, a halogen, an amine, a nitro, and a cyano, a stereoisomer thereof or a A pharmaceutical composition for preventing or treating neuroblastoma containing a pharmaceutically acceptable salt as an active ingredient.
The method according to claim 1,
R ² is allyl, unsubstituted or substituted C _1-3 linear or branched alkyl, or unsubstituted or substituted benzyl,
Wherein said substituted alkyl, substituted benzyl are independently selected from a hydroxy group, a halogen, an amine, a, cyano, unsubstituted or substituted alkyl and beach of a straight or branched C _1-3 unsubstituted or substituted C _1- nitro compound, characterized in that optionally substituted with one or more substituents selected from the group consisting of the ₃ straight or branched alkoxy group, their stereoisomers or prevention of neuroblastoma comprising a pharmaceutically acceptable salt thereof as an active ingredient or A pharmaceutical composition for therapeutic use.
The method according to claim 1,
R ² is

,

,

,

,

,

or

Or a stereoisomer thereof or a pharmaceutically acceptable salt thereof, as an active ingredient. The present invention also provides a pharmaceutical composition for preventing or treating neuroblastoma.
The method according to claim 1,
The pharmaceutical composition for preventing or treating neuroblastoma containing the compound, the stereoisomer thereof or a pharmaceutically acceptable salt thereof as an active ingredient, wherein the compound represented by Formula 1 is any one selected from the following group :
(1) (E) -1- (3- (Allylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(2) (Z) -1- (3- (allylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(3) (E) -1- (3- (Allylsulfinyl) prop-1-enyl) -2-benzyldisulfane;
(4) (Z) -1- (3- (Allylsulfinyl) prop-1-enyl) -2-benzyldisulfane;
(5) (E) -1- (3- (Allylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl) dicyclene;
(6) (Z) -1- (3- (Allylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl) dicarbonate;
(7) (E) -1- (3- (Allylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl) dicyclene;
(8) (Z) -1- (3- (Allylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl) dicarbonate;
(9) (E) -1-Allyl-2- (3- (benzylsulfinyl) prop-1-enyl) dicyclene;
(10) (Z) -1-allyl-2- (3- (benzylsulfinyl) prop-1-enyl) dicyclene;
(11) (E) -1- (3- (Benzylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(12) (Z) -1- (3- (Benzylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(13) (E) -1-Benzyl-2- (3- (benzylsulfinyl) prop-1-enyl) dicyclene;
(14) (Z) -1-benzyl-2- (3- (benzylsulfinyl) prop-1-enyl)
(15) (E) -1- (3- (Benzylsulfinyl) prop-1-enyl) -2- (4- fluorobenzyl)
(16) (Z) -1- (3- (Benzylsulfinyl) prop-1-enyl) -2- (4-fluorobenzyl) dicyclene;
(17) (E) -1- (3- (Phenylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl) dicyclene;
(18) (Z) -1- (3- (Phenylsulfinyl) prop-1-enyl) -2- (4-methoxybenzyl) dicyclene;
(19) (E) -1-Allyl-2- (3- (phenylsulfinyl) prop-1-enyl) diesulfan;
(20) (Z) -1-allyl-2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(21) (E) -1- (3- (phenylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(22) (Z) -1- (3- (Phenylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(23) (E) -1-Benzyl-2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(24) (Z) -1-benzyl-2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(25) (E) -1- (4-fluorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(26) (E) -1- (4-fluorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(27) (E) -1- (4-methoxybenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(28) (Z) -1- (4-methoxybenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(29) (E) -1- (4-chlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(30) (Z) -1- (4-chlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(31) (E) -1- (3,4-Dichlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(32) (Z) -1- (3,4-Dichlorobenzyl) -2- (3- (phenylsulfinyl) prop-1-enyl) dicyclene;
(33) (E) -1-Allyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(34) (Z) -1-allyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(35) (E) -1- (3- (3-Methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(36) (Z) -1- (3- (3-Methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(37) (E) -1-Benzyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(38) (Z) -1-benzyl-2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(39) (E) -1- (4-fluorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(40) (Z) -1- (4-fluorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(41) (E) -1- (4-Chlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(42) (Z) -1- (4-Chlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(43) (E) -1- (3,4-Dichlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(44) (Z) -1- (3,4-Dichlorobenzyl) -2- (3- (3-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(45) (E) -1-Allyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(46) (Z) -1-Allyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(47) (E) -1- (3- (4-Methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(48) (Z) -1- (3- (4-Methoxyphenylsulfinyl) prop-1-enyl) -2-propyldisulfane;
(49) (E) -1-Benzyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(50) (Z) -1-benzyl-2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(51) (E) -1- (4-fluorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(52) (Z) -1- (4-fluorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(53) (E) -1- (4-Chlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(54) (Z) -1- (4-chlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene;
(55) (E) -1- (3,4-Dichlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) dicyclene; And
(56) (Z) -1- (3,4-Dichlorobenzyl) -2- (3- (4-methoxyphenylsulfinyl) prop-1-enyl) diesulfan.
The method according to claim 1,
Wherein said compound inhibits HDAC (Histone deacetylase) to prevent or treat glioblastoma.
The method according to claim 6,
Wherein the compound exhibits excellent inhibitory activity against HDAC8, and thus the pharmaceutical composition is characterized by preventing or treating a glioblastoma.
A health functional food composition for preventing or ameliorating a neuroblastoma containing a compound represented by the following formula (1), a stereoisomer thereof or a pharmaceutically acceptable salt thereof as an active ingredient:
[Chemical Formula 1]

(In the formula 1,
R ¹ is allyl, unsubstituted or substituted benzyl, or unsubstituted or substituted phenyl,
Wherein said substituted phenyl and substituted benzyl are independently selected from the group consisting of hydroxy, amine, nitro, cyano, halogen, allyl, unsubstituted or substituted C _1-5 straight or branched chain alkyl, and unsubstituted or substituted and the C is one or more substituents selected from the group consisting of a straight or branched chain alkoxy of _{1 to 5} may be substituted,
Wherein said substituted alkyl and substituted alkoxy can be independently substituted with one or more substituents selected from the group consisting of a hydroxy group, a halogen, an amine, a nitro, and a cyano;

R ² is an unsubstituted or substituted C _2-6 straight or branched chain alkenyl, unsubstituted or substituted C _1-5 straight or branched chain alkyl, unsubstituted or substituted C _1-5 straight or branched Alkoxy, or unsubstituted or substituted C _1-3 alkyl C _6-10 aryl,
Wherein said substituted alkenyl, substituted alkyl, substituted alkoxy and substituted alkylaryl are independently selected from the group consisting of hydroxy, halogen, amine, nitro, cyano, unsubstituted or substituted C _1-3 straight or branched Alkyl and an unsubstituted or substituted C &lt; _1-3 &gt; straight or branched alkoxy).

Images