WO2019208392A1 - 新規プラズマローゲン誘導体 - Google Patents
新規プラズマローゲン誘導体 Download PDFInfo
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- WO2019208392A1 WO2019208392A1 PCT/JP2019/016638 JP2019016638W WO2019208392A1 WO 2019208392 A1 WO2019208392 A1 WO 2019208392A1 JP 2019016638 W JP2019016638 W JP 2019016638W WO 2019208392 A1 WO2019208392 A1 WO 2019208392A1
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- 0 CCC1=C(CCC=C2C(C)(C)C2)CC*1 Chemical compound CCC1=C(CCC=C2C(C)(C)C2)CC*1 0.000 description 3
- CFVCWFAUSFFOSV-UHFFFAOYSA-N CC1(C)OC(COCCCCCCCCS)CO1 Chemical compound CC1(C)OC(COCCCCCCCCS)CO1 CFVCWFAUSFFOSV-UHFFFAOYSA-N 0.000 description 1
- FAZZIMXGFSSKGO-UHFFFAOYSA-N C[O](CCCCCCCCN)=C Chemical compound C[O](CCCCCCCCN)=C FAZZIMXGFSSKGO-UHFFFAOYSA-N 0.000 description 1
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Definitions
- the present invention relates to a novel compound, and more particularly to a novel compound (plasmalogen derivative) similar to plasmalogen.
- Phospholipids are important as components of biological membranes. Among them, plasmalogens, which are ether phospholipids, account for about 18% of phospholipids in mammalian biological membranes. This plasmalogen is known to be particularly abundant in cranial nerves, myocardium, skeletal muscle, leukocytes, and sperm.
- plasmalogens are bound to many polyunsaturated fatty acids such as docosahexaenoic acid and arachidonic acid, they store secondary messengers of intercellular signals such as prostaglandins and leukotrienes produced from these polyunsaturated fatty acids. In addition to being a place, it plays important roles such as cell fusion and ion transport.
- GPCR G protein-coupled receptor
- Non-Patent Document 3 When LPS was injected intraperitoneally into mice for 7 days, IL-1 ⁇ and TNF- ⁇ mRNA were strongly expressed in the prefrontal cortex and hippocampus, ⁇ -amyloid ( ⁇ 1-16) positive neurons were expressed, and glial cells were activated.
- co-administration of plasmalogen intraperitoneally after LPS injection significantly reduced glial cell activation with cytokine production and ⁇ protein accumulation.
- the content of plasmalogen decreased by LPS in the prefrontal cortex and hippocampus, the decrease was suppressed by simultaneous administration of plasmalogen. That is, plasmalogen is considered to have an anti-neuroinflammatory action and an amyloid production preventing effect, and its application to prevention or improvement (treatment) of Alzheimer's disease has been suggested (see Non-Patent Document 3).
- Plasmalogens are known to decrease in neurological diseases such as dementia, Parkinson's disease, depression and schizophrenia, as well as diabetes, metabolic syndrome, ischemic heart disease, various infectious diseases and immune abnormalities Yes.
- neurological diseases such as dementia, Parkinson's disease, depression and schizophrenia
- diabetes metabolic syndrome
- ischemic heart disease various infectious diseases and immune abnormalities Yes.
- ethanolamine-type plasmalogens were significantly decreased in the frontal lobe and hippocampus in Alzheimer's disease brain (cadaver brain) (see Non-Patent Document 4), and in 2007, Alzheimer's. It has been reported that plasmalogens are reduced in the serum of disease patients (see Non-Patent Document 5). Further, it has been reported that in the group of patients with ischemic heart disease, the choline-type plasmalogen is decreased as compared with the normal control group (see Non-Patent Document 6).
- Patent Document 1 proposes a method of extracting an extract from ethanol in a layer of fillet using ethanol as an extraction solvent.
- diacyl glyceroline which is a contaminant
- bivalves such as scallops with a mixed solvent of a nonpolar organic solvent and a branched alcohol, and treated with phospholipase A1 (PLA1).
- PKA1 phospholipase A1
- Patent Document 3 A novel plasmalogen precursor that binds ⁇ -lipoic acid has been proposed (see Patent Document 3). These derivatives have been shown to be effective in monkey Parkinson's disease models (see Non-Patent Document 8).
- Patent Document 4 proposes that a derivative obtained by acetylating the sn-1 position is a good carrier for docosahexaenoic acid, and is reported to be effective for a rat acute stroke model (non-patent document). Reference 9).
- the present invention provides a novel compound having a hetero atom such as an oxygen atom, a nitrogen atom or a sulfur atom at the sn-1 position and exhibiting an effect equivalent to or higher than that of a natural plasmalogen. is there.
- the present inventors have designed and synthesized a novel compound having a hetero atom such as an oxygen atom, a nitrogen atom, or a sulfur atom in the sn-1 position carbon chain while conducting research on a plasmalogen derivative, and in vitro. As a result of being subjected to an in vivo test, it was found that the same or higher effect than that of plasmalogen was exhibited, and the present invention was completed.
- This design can be used for any compound that functions as a plasmalogen itself, functions as a plasmalogen precursor, promotes the effects of plasmalogen, or functions as a carrier for docosahexaenoic acid. .
- a compound represented by the general formula (I), a racemate thereof or a salt thereof is as follows.
- X represents an oxygen atom, a nitrogen atom, a sulfur atom or a carbon atom
- R 1 represents R 1a -YR 1b (R 1a and R 1b are each saturated or unsaturated, An aliphatic hydrocarbon group, an aromatic group, a heterocyclic group, or a combination of these
- Y represents an oxygen atom, a nitrogen atom, a sulfur atom, or a carbon atom
- R 2 is saturated or Represents an unsaturated aliphatic hydrocarbon group
- R 3 represents choline, ethanolamine, inositol or serine.
- a pharmaceutical composition comprising the compound according to any one of [1] to [6], a racemate thereof or a salt thereof as an active ingredient. [8] It is used for prevention or improvement of a disease caused by a decrease in in vivo plasmalogen level selected from cranial nerve disease, diabetes, metabolic syndrome, ischemic heart disease, insomnia, infection, and immune abnormality.
- the pharmaceutical composition according to [8] which is used for prevention or improvement of cranial nerve disease selected from dementia, Parkinson's disease, depression, and schizophrenia.
- the pharmaceutical composition according to [9] which is used for prevention or improvement of dementia.
- novel compound of the present invention exhibits an effect equivalent to or higher than that of plasmalogen.
- FIG. 3 shows the phosphorylation increasing activity of ERK ⁇ (ERK1 / 2) in a neuronal cell line (human neuroblastoma-derived SH-SY5Y cell) treated with the compounds of the present invention (REO-004 to 007).
- the novel compound of the present invention is a compound represented by the following general formula (I), a racemate thereof or a salt thereof.
- the carbon atom of the glycerol skeleton in the general formula (I) may have a substituent.
- substituents include an alkyl group having 1 to 4 carbon atoms and an alkoxy group having 1 to 4 carbon atoms.
- X represents an oxygen atom, a nitrogen atom, a sulfur atom or a carbon atom, preferably an oxygen atom or a sulfur atom, and particularly preferably an oxygen atom.
- R 1 represents R 1a -YR 1b .
- Y in R 1 represents an oxygen atom, a nitrogen atom, a sulfur atom or a carbon atom.
- X is an oxygen atom
- Y is preferably an oxygen atom, a nitrogen atom or a sulfur atom.
- R 1a and R 1b in R 1 is an aliphatic hydrocarbon group, respectively saturated or unsaturated, aromatic group, heterocyclic group, or a group comprising a combination thereof, aliphatic saturated or unsaturated hydrocarbon group, An aromatic group or a group combining these is preferred.
- the aliphatic hydrocarbon group for R 1a and R 1b is preferably an aliphatic hydrocarbon group having 1 to 30 carbon atoms, more preferably an aliphatic hydrocarbon group having 1 to 20 carbon atoms, and an aliphatic hydrocarbon group having 1 to 10 carbon atoms. More preferred are group hydrocarbon groups.
- the aromatic ring of the aromatic group of R 1a and R 1b may be monocyclic or condensed polycyclic. Specifically, a benzene ring, a naphthalene ring, an anthracene ring, etc. can be mentioned, A benzene ring is preferable.
- the heterocyclic ring of the heterocyclic group represented by R 1a and R 1b has, for example, 1 to 4 heteroatoms such as nitrogen atom, sulfur atom, oxygen atom, etc. in addition to carbon atoms as ring-constituting atoms. It may be a formula or a condensed polycyclic type. Specific examples include pyrrole ring, furan ring, thiophene ring, imidazole ring, pyrazole ring, oxazole ring, thiazole ring, pyridine ring, pyrazine ring, quinoline ring, indole ring, benzofuran ring, acridine ring and the like.
- R 1a and R 1b may be the same or different.
- R 1a and R 1b may have a substituent.
- the substituent include an alkyl group having 1 to 4 carbon atoms and an alkoxy group having 1 to 4 carbon atoms.
- R 2 represents a saturated or unsaturated aliphatic hydrocarbon group, and an unsaturated aliphatic hydrocarbon group is preferable.
- the aliphatic hydrocarbon group is preferably an aliphatic hydrocarbon group having 1 to 50 carbon atoms, more preferably an aliphatic hydrocarbon group having 10 to 30 carbon atoms, and further an aliphatic hydrocarbon group having 15 to 25 carbon atoms.
- R 2 may have a substituent. Examples of the substituent include an alkyl group having 1 to 4 carbon atoms and an alkoxy group having 1 to 4 carbon atoms.
- R 2 preferably represents ⁇ -3 fatty acid, ⁇ -6 fatty acid, ⁇ -7 fatty acid, ⁇ -9 fatty acid or ⁇ -10 fatty acid when R 2 COOH is used.
- R 3 represents choline, ethanolamine, inositol or serine. These may have a substituent.
- substituents include an alkyl group having 1 to 4 carbon atoms and an alkoxy group having 1 to 4 carbon atoms.
- novel compound of the present invention (when X is an oxygen atom) can be produced using R 1 OH (R 1a -YR 1b OH) as a starting material.
- a substituent containing a phosphate group and R 3 is introduced into the OH group to obtain the following compound (see step 4 of Example 1).
- a phosphate group and R 3 it is preferable to use those which are protected by the respective protective groups.
- protecting groups (Z, Z ′) are introduced to the two OH groups (see steps 5 and 6 in Example 3).
- the protecting group (Z) is selectively deprotected to form an OH group (see step 7 in Example 3).
- a substituent containing a phosphate group and R 3 is introduced to obtain the following compound (see step 8 of Example 3).
- a phosphate group and R 3 it is preferable to use those which are protected by the respective protective groups.
- the pharmaceutical composition of the present invention comprises the novel compound of the present invention represented by the above general formula (I), its racemate or a salt thereof as an active ingredient.
- the pharmaceutical composition of the present invention may contain other pharmaceutically acceptable ingredients.
- novel compound of the present invention which is an active ingredient of the pharmaceutical composition of the present invention, has a structure similar to that of natural plasmalogen, and exhibits an effect equivalent to or higher than that of plasmalogen.
- the pharmaceutical composition of the present invention also exhibits an effect equal to or greater than that of plasmalogen.
- the pharmaceutical composition of the present invention includes, for example, cranial nerve diseases such as dementia, Parkinson's disease, depression, schizophrenia, diabetes, metabolic syndrome, ischemic heart disease, insomnia, various infectious diseases and immune abnormalities, etc. It can be used for the prevention or amelioration (treatment) of diseases caused by a decrease in in vivo plasmalogen levels. In particular, it can be suitably used for the prevention or improvement (treatment) of cranial nerve diseases such as dementia, Parkinson's disease, depression and schizophrenia, and is particularly effective for Alzheimer type dementia.
- cranial nerve diseases such as dementia, Parkinson's disease, depression, schizophrenia, diabetes, metabolic syndrome, ischemic heart disease, insomnia, various infectious diseases and immune abnormalities, etc. It can be used for the prevention or amelioration (treatment) of diseases caused by a decrease in in vivo plasmalogen levels. In particular, it can be suitably used for the prevention or improvement (treatment) of cranial nerve diseases such as dementia, Parkinson's disease, depression and schizophrenia, and is particularly effective for Alzheimer type dementia.
- reaction solution was poured into satd. NaCl, the aqueous layer was extracted with AcOEt (x 2), dried over MgSO 4 and filtered, and then the solvent was distilled off under reduced pressure.
- the residue was purified by Purif-Pack (SI 50, Size 120, AcOEt / Hex: 0 ⁇ 80%) to obtain Compound 5 (2.38 g, y. 90%) as a colorless oil.
- the compound KIT-007 of the present invention represented by the following structural formula was produced (Steps 1 to 11). The outline of the manufacturing process is shown below.
- TsCl (3 g, 16 mmol), NEt 3 (3.5 ml, 24 mmol), NMe 3 in THF (2 M, 0.4 ml), and THF (20 ml) were mixed. After cooling to 0 ° C., compound 17 ( 2.2 g, 8 mmol) was dissolved in THF (5 ml) and added. After warming to room temperature and stirring for 5 hours, the reaction solution was cooled to 0 ° C. and water was added. Thereafter, extraction with Et 2 O was performed, followed by washing with water and saturated brine, followed by drying (Na 2 SO 4 ).
- a neuronal cell line was used to investigate the phosphorylation increasing activity of ERK (ERK1 / 2) of the compound of the present invention.
- Neuronal cell lines (mouse neuroblastoma-derived NEURO2A cells and human neuroblastoma-derived SH-SY5Y cells) were cultured in DMEM medium containing 10% FBS (fetal bovine serum) for 24 hours. Thereafter, the cells were cultured overnight (18 hours) in a DMEM medium containing 2% FBS, and each of them was treated with 5 ⁇ g / ml s-Pls (scallop-derived Pls), the compound REO-002 of the present invention, and the compound REO-003 of the present invention.
- FBS fetal bovine serum
- REO-002 and REO-003 showed ERKER (ERK1 / 2) phosphorylation increasing activity equivalent to s-Pls in both neuronal cell lines.
- a neuronal cell line (human neuroblastoma-derived SH-SY5Y cells) was cultured in DMEM medium containing 10% FBS (fetal bovine serum) for 24 hours. Thereafter, the cells are cultured overnight (18 hours) in DMEM medium containing 2% FBS, treated with 1 ⁇ g / ml and 5 ⁇ g / ml of the present compounds REO-004 to REO-007 for 30 minutes, respectively, and the cells are treated with Western Blotting assay was performed. At that time, the same amount of protein (50 ⁇ g protein extract) was subjected to analysis, and phosphorylation (p-ERK) of ERK (ERK1 / 2) was compared.
- FBS fetal bovine serum
- a neuronal cell line (mouse neuroblastoma-derived Neuro2A cell) was cultured in DMEM medium containing 10% FBS (fetal bovine serum) for 24 hours. Thereafter, the cells were cultured overnight (18 hours) in DMEM medium containing 2% FBS, and treated with 0.01 ⁇ g / ml to 5 ⁇ g / ml of s-Pls (scallop-derived Pls) and Compound KIT-007 of the present invention for 20 minutes, respectively. The cells were then subjected to Western blotting assay. At that time, the same amount of protein (50 ⁇ g of protein extract) was subjected to analysis, and ERK (ERK1 / 2) phosphorylation (p-ERK) and total ERK were compared.
- FBS fetal bovine serum
- mice male C57BL / 6J mice (3 months old) were used.
- mice 15 C58BL / 6J male mice (7 weeks old) were used.
- the mouse weight was 24.0-26.7 g.
- the mice were randomly divided into 5 groups, and the reagents were injected intraperitoneally from 11:00 to 12:00 daily for 7 days.
- As reagents (1) physiological saline as a control, (2) LPS dissolved in physiological saline (LPS: 250 ⁇ g / kg), (3) to (5) compound KIT-007 is added to this LPS solution.
- a total of 5 types were used, which were added at low concentrations (1 mg / kg), medium concentrations (10 mg / kg), and high concentrations (20 mg / kg).
- Mouse body weights were recorded for 8 days (FIG. 5). On day 8, the mice were sacrificed.
- the improvement effect of the compound REO-002 of the present invention on LPS-induced neuroinflammation in the mouse brain was investigated.
- the investigation was conducted by histological experiment by immunohistochemical staining (Iba-1, GFAP) of frozen mouse brain sections.
- mice 20 C58BL / 6J male mice (6 months old) were used.
- the mice were randomly divided into 4 groups, and the reagent was injected intraperitoneally every day between 9:00 am and 10:00 am for 7 days.
- Reagents include (1) physiological saline as a control, (2) LPS dissolved in physiological saline (LPS: 250 ⁇ g / kg), and (3) low concentration (1 mg / mg) of compound REO-002 in this LPS solution.
- LPS physiological saline
- LPS low concentration
- a total of 4 types were used: (4) a compound REO-002 added at a high concentration (5 mg / kg) to this LPS solution.
- mice On the 8th day from the start of the experiment, 3 mice were randomly selected from each group, sacrificed, transcardially perfused, the brain was removed, and immunohistochemical staining was performed. On the first and fourth days, the amount of water consumed per day for each group of mice was measured. On the third day, the weight of each group of mice was measured.
- Immunohistochemical staining was performed as follows. a. Fix the whole brain with 4% paraformaldehyde, sucrose dehydration, and fix the OCT compound. b. Cerebral cortex and hippocampal regions are sectioned 20 ⁇ m thick and stored in PBS with sodium azide. c. After antigen activation with hydrochloric acid and neutralization with Tris-HCl buffer, Iba-1 (microglia) and GFAP (astrocytes) are stained and nuclear stained. d. Check cell number and cell shape with fluorescent microscope.
- FIGS. 9 and 10 show the improvement effect of the compound REO-002 of the present invention on the activation of LPS-induced glial cells in hippocampal tissue.
- the number of Iba-1 positive microglia and the number of GFAP positive astrocytes increased in the hippocampal tissue.
- FIG. 11 shows the improvement effect of the compound REO-002 of the present invention on the activation of LPS-induced microglia in cerebral cortical tissue.
- the number of Iba-1 positive microglia increased in the cerebral cortex tissue in the LPS administration group.
- the novel compound of the present invention exhibits an effect equivalent to or higher than that of plasmalogen, and is industrially useful because it can be used for the prevention or improvement of dementia.
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Abstract
Description
すなわち、プラズマローゲンには、抗神経炎症作用とアミロイド生成予防効果があると考えられ、アルツハイマー病の予防又は改善(治療)への応用が示唆されている(非特許文献3参照)。
例えば、1999年にアルツハイマー病の脳(死体の脳)でエタノールアミン型プラズマローゲンが前頭葉と海馬で非常に有意に減少していることが報告され(非特許文献4参照)、さらに2007年にアルツハイマー病患者の血清でプラズマローゲンが減少していることが報告されている(非特許文献5参照)。
また、虚血性心疾患の患者群では、コリン型プラズマローゲンが正常コントロール群に比べて減少していることが報告されている(非特許文献6参照)。
そして、軽症アルツハイマー病、軽度認知障害のヒトを対象とした無作為化二重盲検臨床試験で上記ホタテ貝のヒモから抽出したプラズマローゲンを経口投与した結果、軽症アルツハイマー病で認知機能が改善されることが強く示唆されるという報告がなされている(非特許文献7参照)。
また、特許文献4においては、sn-1位をアセチル化した誘導体がドコサヘキサエン酸の良いキャリアであることが提案されており、ラットの急性脳卒中モデルに有効であることが報告されている(非特許文献9参照)。
本デザインは、プラズマローゲンそのものとしての機能、プラズマローゲンの前駆体としての機能、プラズマローゲンの効果を促進させる機能、あるいはドコサヘキサエン酸のキャリアとしての機能を有するいずれの化合物にも利用可能なものである。
[1]一般式(I)で示される化合物、そのラセミ体又はそれらの塩。
[2]Xが、酸素原子であることを特徴とする[1]記載の化合物、そのラセミ体又はそれらの塩。
[3]Yが、酸素原子、窒素原子又は硫黄原子であることを特徴とする[2]記載の化合物、そのラセミ体又はそれらの塩。
[4]Xが、窒素原子、硫黄原子又は炭素原子であることを特徴とする[1]記載の化合物、そのラセミ体又はそれらの塩。
[5]Yが、酸素原子、窒素原子、硫黄原子又は炭素原子であることを特徴とする[4]記載の化合物、そのラセミ体又はそれらの塩。
[6]R1a及びR1bが、飽和若しくは不飽和の脂肪族炭化水素基、芳香族基、又はこれらを組み合わせた基であることを特徴とする[1]~[5]のいずれか記載の化合物、そのラセミ体又はそれらの塩。
[7][1]~[6]のいずれか記載の化合物、そのラセミ体又はそれらの塩を有効成分として含むことを特徴とする医薬組成物。
[8]脳神経病、糖尿病、メタボリックシンドローム、虚血性心疾患、不眠症、感染症、及び免疫異常から選ばれる生体内プラズマローゲンレベルの低下に起因する疾患の予防又は改善用であることを特徴とする[7]記載の医薬組成物。
[9]認知症、パーキンソン病、うつ病、及び統合失調症から選ばれる脳神経病の予防又は改善用であることを特徴とする[8]記載の医薬組成物。
[10]認知症の予防又は改善用であることを特徴とする[9]記載の医薬組成物。
[11]認知症が、アルツハイマー型認知症であることを特徴とする[10]記載の医薬組成物。
本発明の新規化合物は、下記一般式(I)で示される化合物、そのラセミ体又はそれらの塩である。なお、一般式(I)中のグリセロール骨格の炭素原子は、置換基を有していてもよい。置換基としては、炭素数1~4のアルキル基、炭素数1~4のアルコキシ基等を挙げることができる。
R1におけるYは、酸素原子、窒素原子、硫黄原子又は炭素原子を表す。Xが酸素原子の場合、Yは、酸素原子、窒素原子又は硫黄原子であることが好ましい。
本発明の新規化合物(Xが酸素原子の場合)は、R1OH(R1a-Y-R1bOH)を出発原料として製造することができる。
出発原料であるR1OH(R1a-Y-R1bOH)に対して、下記構造で示される(2R)-Glycidyl Tosylateを反応させる。なお、(2R)-Glycidyl Tosylateに代えて、Epichlorohydrin等を用いることも可能である。
出発原料であるR1OH(R1a-Y-R1bOH)に対して、TsClを反応させて、R1OTsを得る(実施例3の工程2参照)。また、R1OHは、対応するカルボン酸(R1OOH)を還元して得ることができる(実施例3の工程1参照)。
本発明の医薬組成物は、上記一般式(I)で示される本発明の新規化合物、そのラセミ体又はそれらの塩を有効成分として含むことを特徴とする。本発明の医薬組成物は、薬学的に許容される他の成分を含んでいてもよい。
[工程1]
下記構造式で示される化合物2の製造
1H NMR (400 MHz, CDCl3): 7.80 (2H, d, J=8.7 Hz), 7.34 (2H, d, J=7.7 Hz), 7.05 (2H, d, J=8.7 Hz), 6.81 (2H, d, J=8.7 Hz), 4.10 (1H, dd, J=10.7, 5.8 Hz), 4.04 (1H, dd, J=10.7, 5.8 Hz), 4.0- 3.94 (1H, m), 3.93 (2H, t, J=6.7 Hz), 3.5-3.35 (4H, m), 2.56 (2H, t, J=7.8 Hz), 2.44 (3H, s), 2.36 (1H, d, J=5.8 Hz, OH), 1.9-1.7 (4H, m), 1.5-1.3 (10H, m), 0.89 (3H, t, J=6.8 Hz)
下記構造式で示される化合物3の製造
1H NMR (400 MHz, CDCl3): 7.78 (2H, d, J=8.7 Hz), 7.35- 7.25 (7H, m), 7.04 (2H, d, J=8.7 Hz), 6.80 (2H, d, J=8.7 Hz), 4.58-4.54 (2H, m), 4.20 (1H, dd, J=10.7, 4.4 Hz), 4.09 (1H, dd, J=10.7, 5.8 Hz), 3.92 (2H, t, J=6.8 Hz), 3.8-3.7 (1H, m), 3.5-3.4 (2H, m), 3.4-3.3 (2H, m), 2.52 (2H, t, J=7.5 Hz), 2.41 (3H, s), 1.8-1.7 (4H, m), 1.5-1.2 (10H, m), 0.88 (3H, t, J=7 Hz)
下記構造式で示される化合物4の製造
1H NMR (400 MHz, CDCl3): 7.4-7.25 (5H, m), 7.07 (2H, d, J=8.7 Hz), 6.81 (2H, d, J=8.7 Hz), 4.68 (2H, AB, J=11.6 Hz), 4.0-3.88 (2H, m), 3.8-3.4 (7H, m), 2.62 (2H, t, J=7.8 Hz), 2.14 (1H, t, J=8.5 Hz, OH), 1.9-1.7 (4H, m), 1.5-1.2 (10H, m), 0.89 (3H, t, J=7 Hz)
下記構造式で示される化合物5の製造
1H NMR (400 MHz, CDCl3): 7.4-7.2 (5H, m), 7.07 (2H, d, J=8.7 Hz), 6.81 (2H, d, J=8.2 Hz), 5.1-5.0 (1H, br.s, NH), 4.69 (2H, m), 4.3-4.0 (3H, m), 3.92 (2H, t, J=6.7 Hz) , 3.8-3.7 (5H, m), 3.58-3.48 (2H, m), 3.43 (2H, t, J=6.5 Hz), 3.4-3.3 (2H, m), 2.61 (2H, t, J=7.5 Hz), 1.9-1.7 (4H, m), 1.46-1.42 (9H, m) , 1.5-1.2 (19H, m) , 0.89 (3H, t, J=6.8 Hz)
下記構造式で示される化合物6の製造
1H NMR (400 MHz, CDCl3): 7.07 (2H, d, J=8.7 Hz), 6.82 (2H, d, J=8.7 Hz), 5.10 (1H, br. s, NH), 4.2-3.95 (5H, m), 3.95-3.90 (2H, m), 3.80 (3H, d, J=11.6 Hz) , 3.5-3.4 (6H, m) , 2.97 (1H, d like, OH), 2.61 (2H, t, J=7.7 Hz), 1.9-1.7 (4H, m), 1.45 (9H, s) , 1.4-1.2 (10H, m), 0.87 (3H, t, J=7.5 Hz)
下記構造式で示される化合物7a~7dの製造
化合物6 (140 mg, 0.24 mmol) のCH2Cl2 (15 ml) 溶液にDMAP (68 mg, 0.56 mmol), EDC HCl (107 mg, 0.56 mmol), EPA (100 mg, 0.33 mmol)を加え、Ar雰囲気下、室温で一晩間撹拌した。溶媒を減圧留去し、残渣にAcOEtと水を加えて分液し、有機層をsatd. NaHCO3で洗浄し、MgSO4で乾燥後、ろ過し、溶媒を減圧留去して、残渣をPurif-Pack (SI 50, Size 60, AcOEt/Hex: 0→70%)で精製し、無色油状物として化合物7a (174 mg, y. 83%)を得た。
EPAに代えて、DHAを用いた以外は化合物7aの製造と同様にして、化合物7b (267 mg, y. 56%)を得た。
1H NMR (400 MHz, CDCl3): 7.09-7.05 (2H, m), 6.82-6.80 (2H, m), 5.4-5.3 (12H, m), 5.24- 5.15 (1H, m), 5.14-5.02 (1H, br. s, NH), 4.3-4.05 (4H, m), 3.92 (2H, t, J=6.7 Hz), 3.82-3.74 (3H, m), 3.6-3.5 (2H, m), 3.5-3.3 (4H, m), 2.9-2.8 (10H, m), 2.63-2.57 (2H, m), 2.41-2.39 (4H, m), 2.12- 2.03 (2H, m), 1.9-1.7 (4H, m), 1.44 (9H, s) , 1.4-1.2 (10H, m), 0.97 (3H, t, J=7.7 Hz) , 0.89 (3H, t, J=6.8 Hz)
EPAに代えて、Arachidonic Acidを用いた以外は化合物7aの製造と同様にして、化合物7c (168 mg, y. 84%)を得た。
1H NMR (400 MHz, CDCl3): 7.06 (2H, d, J=8.7 Hz), 6.81 (2H, d, J=8.7 Hz), 5.4-5.3 (8H, m), 5.2-5.0 (2H, m), 4.3-4.15 (2H, m), 4.15-4.05 (2H, m), 3.92 (2H, t, J=6 Hz), 3.77 (3H, dd, 10.6, 4.8 Hz), 3.6-3.5 (2H, m), 3.5-3.3 (4H, m), 2.85-2.75 (6H, m), 2.59 (2H, t, J=7 Hz), 2.37 (2H, t, J=7 Hz), 2.2-2.0 (2H, m), 1.9-1.7 (6H, m), 1.44 (9H, s) , 1.4-1.2 (18H, m), 0.88 (6H, m)
EPAに代えて、Linoleic Acidを用いた以外は化合物7aの製造と同様にして、化合物7d (52 mg, y. 26%)を得た。
1H NMR (400 MHz, CDCl3): 7.07 (2H, d, J=8.7 Hz), 6.81 (2H, d, J=8.7 Hz), 5.4-5.3 (4H, m), 5.2-5.0 (2H, m), 4.3-4.15 (2H, m), 4.15-4.05 (2H, m), 3.92 (2H, t, J=6.8 Hz), 3.77 (3H, dd, 10.6, 4.8 Hz), 3.6-3.5 (2H, m), 3.5-3.3 (4H, m), 2.77 (2H, t, J=6.8 Hz), 2.59 (2H, t, J=7 Hz), 2.34 (2H, t, J=7 Hz), 2.1-2.0 (4H, m), 1.9-1.7 (4H, m), 1.68-1.58 (2H, m), 1.44 (9H, s) , 1.4-1.2 (24H, m), 0.92- 0.86 (6H, m)
下記構造式で示される本発明の化合物REO-004、化合物REO-002、化合物REO-006、及び化合物REO-005の製造
化合物7a (170 mg, 0.20 mmol) のCH2Cl2 (1.5 ml) 溶液にMeCN (3 ml), iPrOH (3 ml), aq. NMe3 (4.7 ml, 0.33 mmol)を加え、Ar雰囲気下、室温で一晩撹拌した。溶媒を減圧留去し、PhMeで共沸した後、残渣をCHCl3 (1.5 ml)に溶かし、TFA (1.5 ml)を氷冷撹拌下に加えて、室温で1時間撹拌した。溶媒を減圧留去し、PhMeで共沸した後、残渣をPurif-Pack (SI 50, Size 60, MeOH/CHCl3: 0→30%)で精製し、wet solidとして化合物REO-004 (66.8 mg, y. 45%)を得た。
1H NMR (400 MHz, CDCl3): 8.45 (3H, br. s), 7.04 (2H, d, J=8.7 Hz), 6.78 (2H, d, J=8.7 Hz), 5.4-5.3 (10H, m), 5.2-5.1 (1H, m), 4.15-3.8 (6H, m), 3.6-3.3 (4H, m), 3.2-3.1 (2H, m), 2.9-2.7 (8H, m), 2.6-2.5 (2H, m), 2.4-2.3 (2H, m), 2.1-2.0 (4H, m), 1.9-1.6 (6H, m), 1.5-1.2 (10H, m), 0.96 (3H, t, J=7 Hz) , 0.88 (3H, t, J=6.8 Hz)
化合物7a (170 mg, 0.20 mmol)に代えて、化合物7b (265 mg, 0.30 mmol)を用いた以外は化合物REO-004の製造と同様にして、化合物REO-002 (88 mg, y. 40%)を得た。
1H NMR (400 MHz, CDCl3): 8.35 (3H, br. s), 7.04 (2H, d, J=7.7 Hz), 6.79 (2H, d, J=8.7 Hz), 5.45-5.25 (12H, m), 5.2-5.1 (1H, m), 4.2-3.8 (6H, m), 3.6-3.3 (4H, m), 3.2-3.1 (2H, m), 2.9-2.7 (10H, m), 2.6-2.5 (2H, m), 2.4-2.3 (4H, m), 2.1-1.7 (6H, m), 1.5-1.2 (10H, m), 0.96 (3H, t, J=7.7 Hz) , 0.88 (3H, t, J=6.8 Hz)
化合物7a (170 mg, 0.20 mmol)に代えて、化合物7c (165 mg, 0.19 mmol)を用いた以外は化合物REO-004の製造と同様にして、化合物REO-006 (99 mg, y. 69%)を得た。
1H NMR (400 MHz, CDCl3): 8.32 (3H, br. s), 7.04 (2H, d, J=8.7 Hz), 6.79 (2H, d, J=8.7 Hz), 5.4-5.3 (8H, m), 5.2-5.1 (1H, m), 4.2-3.8 (6H, m), 3.6-3.3 (4H, m), 3.2-3.1 (2H, m), 2.79 (2H, t, J=6.8 Hz), 2.6-2.5 (2H, m), 2.4-2.3 (2H, m), 2.1-1.6 (8H, m), 1.5-1.2 (18H, m), 0.9-0.8 (6H, m)
化合物7a (170 mg, 0.20 mmol) に代えて、化合物7d (49 mg, 0.058 mmol)を用いた以外は化合物REO-004の製造と同様にして、化合物REO-005 (31 mg, y. 73%)を得た。
1H NMR (400 MHz, CDCl3): 8.32 (3H, br. s), 7.04 (2H, d, J=8.7 Hz), 6.79 (2H, d, J=8.7 Hz), 5.4-5.3 (8H, m), 5.2-5.1 (1H, m), 4.2-3.8 (6H, m), 3.6-3.3 (4H, m), 3.2-3.1 (2H, m), 2.79 (2H, t, J=6.8 Hz), 2.6-2.5 (2H, m), 2.4-2.3 (2H, m), 2.1-1.6 (8H, m), 1.5-1.2 (18H, m), 0.9-0.8 (6H, m)
[工程1]
下記構造式で示される化合物10a及び化合物10bの製造
Mass EI(+):380
1H NMR (400 MHz, CDCl3): 7.79 (2H, d, J=7.9 Hz), 7.33 (2H, d, J=8.7 Hz), 7.29 (2H, d, J=8.7 Hz), 6.94 (1H, t, J=7.7 Hz), 6.88 (2H, d, J=7.7 Hz), 4.11-3.96 (5H, m), 3.65-3.59 (2H, m), 3.53-3.45 (2H, m), 2.46-2.42 (3H, m), 2.04-1.97 (2H, m)
Mass EI(+):408
1H NMR (400 MHz, CDCl3): 7.79 (2H, d, J=7.8 Hz), 7.34 (2H, d, J=8.7 Hz), 7.29 (2H, d, J=7.7 Hz), 6.93 (1H, t, J=7.7 Hz), 6.89 (2H, d, J=8.7 Hz), 4.09 (1H, dd, 10.6, 4.8 Hz), 4.04 (1H, dd, 10.6, 4.8 Hz), 4.02-3.9 (3H, m), 3.5-3.4 (4H, m), 2.43 (3H, s), 2.39 (1H, d, J=5.8 Hz, OH), 1.79 (2H, q, J=6.8 Hz), 1.7-1.4 (4H, m)
下記構造式で示される化合物11a及び化合物11bの製造
Mass EI(+):470
1H NMR (400 MHz, CDCl3): 7.76 (2H, d, J=7.7 Hz), 7.3-7.2 (9H, m), 6.94 (1H, t, J=7 Hz), 6.88 (2H, d, J=7.7 Hz), 4.56-4.54 (2H, m), 4.2-3.9 (3H, m), 3.8-3.7 (1H, m), 3.56 (2H, t, J=6.7 Hz), 3.5-3.44 (2H, m), 2.42 (3H, s), 2.02-1.93 (2H, m)
Mass EI(+):498
1H NMR (400 MHz, CDCl3): 7.77 (2H, d, J=7.7 Hz), 7.3-6.8 (12H, m), 4.6-4.55 (2H, m), 4.19 (1H, dd, J=10.2, 3.9 Hz), 4.08 (1H, dd, J=10.7, 5.8 Hz), 4.0-3.9 (2H, m), 3.8-3.7 (1H, m), 3.5-3.3 (4H, m), 2.45- 2.40 (3H, m), 1.8-1.7 (2H, m), 1.6-1.4 (4H, m)
下記構造式で示される化合物12a及び化合物12bの製造
Mass EI(+):316
1H NMR (400 MHz, CDCl3): 7.37-7.26 (7H, m), 6.94 (1H, t, J=7 Hz), 6.89 (2H, d, J=8.7 Hz), 4.64 (2H, AB, J=11.6 Hz), 4.1-4.0 (2H, m), 3.8-3.4 (7H, m), 2.1-2.0 (2H, m)
Mass EI(+):344
1H NMR (400 MHz, CDCl3): 7.4-6.8 (10H, m), 4.66 (2H, AB, J=11.6 Hz), 4.0-3.8 (3H, m), 3.8-3.4 (6H, m), 1.8-1.4 (6H, m)
下記構造式で示される化合物13a及び化合物13bの製造
Mass EI(+):553
1H NMR (400 MHz, CDCl3): 7.35-7.25 (10H, m), 6.93 (1H, t, J=7 Hz), 6.89 (2H, d, J=7.7 Hz), 5.1-5.0 (1H, br. s, NH), 4.7-4.6 (2H, m), 4.3-4.0 (6H, m), 3.8-3.5 (8H, m), 3.4-3.3 (2H, m), 2.05-2.0 (2H, m), 1.43 (9H, s)
Mass FAB(+):582
1H NMR (400 MHz, CDCl3): 7.4-6.8 (10H, m), 5.1-4.9 (1H, br. s, NH), 4.7-4.65 (2H, m), 4.3-4.0 (3H, m), 4.0-3.85 (2H, m), 3.8-3.7 (5H, m), 3.6-3.3 (6H, m), 1.8-1.5 (6H, m), 1.44 (9H, s)
下記構造式で示される化合物14a及び化合物14bの製造
Mass EI(+):463
1H NMR (400 MHz, CDCl3): 7.29 (2H, d, J=8.7 Hz), 6.94 (1H, t, J=7 Hz), 6.90 (2H, d, J=7.7 Hz), 5.15-5.05 (1H, br. s, NH), 4.2-4.0 (7H, m), 3.8-3.6 (3H, m), 3.67 (2H, t, J=6 Hz), 3.55-3.5 (2H, m), 3.45-3.35 (2H, m), 3.01 (1H, br. s, OH), 2.06 (2H, q, 5.8 Hz), 1.44 (9H, s)
Mass EI(+):491
1H NMR (400 MHz, CDCl3): 7.2-6.8 (5H, m), 5.10 (1H, br. s, NH), 4.2-3.9 (7H, m), 3.79 (3H, dd, 11.5, 3.8 Hz), 3.5-3.35 (6H, m), 1.8-1.5 (6H, m), 1.44 (9H, s)
下記構造式で示される化合物15a及び化合物15bの製造
Mass FAB(+):774.5
1H NMR (400 MHz, CDCl3): 7.3-7.2 (2H, m), 7.0-6.8 (3H, m), 5.5-5.3 (12H, m), 5.2-5.0 (2H, m), 4.2-4.0 (6H, m), 3.8-3.7 (3H, m), 3.7-3.5 (4H, m), 3.4-3.3 (2H, m), 2.9-2.8 (8H, m), 2.5-2.3 (6H, m), 2.1-2.0 (4H, m), 1.44 (9H, s), 0.97 (3H, t, J=7 Hz)
1H NMR (400 MHz, CDCl3): 7.2-6.8 (5H, m), 5.4-5.3 (12H, m), 5.2-5.0 (2H, m), 4.2-4.0 (4H, m), 4.0-3.9 (3H, m), 3.8-3.7 (2H, m), 3.6-3.3 (6H, m), 2.9-2.8 (10H, m), 2.41 (4H, m), 2.1-2.0 (2H, m), 1.8-1.7 (2H, m), 1.7-1.4 (4H, m), 1.44 (9H, s), 0.97 (3H, t, J=7.7 Hz)
下記構造式で示される本発明の化合物REO-007、及び化合物REO-003の製造
Mass FAB(+):660.4
1H NMR (400 MHz, CDCl3): 8.30 (3H, br. s), 7.3-7.2 (2H, m), 6.95-6.85 (3H, m), 5.4-5.3 (12H, m), 5.2-5.1 (1H, m), 4.1-3.9 (6H, m), 3.7-3.5 (4H, m), 3.2-3.0 (2H, m), 2.9-2.7 (10H, m), 2.4-2.3 (4H, m), 2.2-1.9 (4H, m), 0.97 (3H, t, J=7 Hz)
Mass FAB(+):688
1H NMR (400 MHz, CDCl3): 8.42 (3H, br. s), 7.2-6.8 (5H, m), 5.4-5.3 (12H, m), 5.2-5.1 (1H, m), 4.1-3.8 (6H, m), 3.6-3.3 (4H, m), 3.2-3.1 (2H, m), 2.9-2.8 (10H, m), 2.4-2.3 (4H, m), 2.1-2.0 (2H, m), 2.0-1.7 (2H, m), 1.7-1.3 (4H, m), 0.96 (3H, t, J=7.7 Hz)
[工程1]
下記構造式で示される化合物17の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ62.99, 32.74, 32.19, 32.15, 31.80, 29.71, 29.67, 29.26, 29.20, 29.18, 28.94, 28.84, 25.66, 22.63, 14.07
IR (ATR) 3345, 3264, 2919, 2848, 1459, 1378, 1278, 1225, 1189, 1130, 1050, 1021, 978, 748, 724 cm-1.
MS (ESI) m/z 279 (M+Na+).
HRMS (ESI) calcd for C16H34Na1O1S1 (M+Na+) 297.22281, found 297.22342.
下記構造式で示される化合物18の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ144.58, 133.24, 129.76, 127.84, 70.60, 32.20, 32.11, 31.80, 29.71, 29.60, 29.20, 29.18, 28.97, 28.94, 28.78, 28.73, 25.25, 22.62, 21.61, 14.07.
IR (ATR) 2918, 2851, 1597, 1468, 1355, 1307, 1173, 1097, 1049, 944, 816, 721, 665 cm-1.
MS (ESI) m/z 451 (M+Na+).
HRMS (ESI) calcd for C23H40Na1O3S2 (M+Na+) 451.23165, found 451.23225.
下記構造式で示される化合物19の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ 109.32, 74.74, 71.81, 66.92, 32.19, 32.15, 31.81, 29.72, 29.69, 29.52, 29.32, 29.21, 29.18, 28.95, 28.87, 26.76, 25.98, 25.41, 22.64,14.08.
IR (ATR) 2923, 2853, 1457, 1378, 1255, 1212, 1117, 1054, 845, 723 cm-1.
MS (ESI) m/z 411 (M+Na+).
HRMS (ESI) calcd for C22H44Na1O3S1 (M+Na+) 411.29088, found 411.29101.
下記構造式で示される化合物20の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ 72.48, 71.77, 70.40, 64.26, 32.19, 32.15, 31.80, 29.71, 29.66, 29.52, 29.28, 29.20, 29.18, 29.15, 28.94, 28.84, 26.00, 22.63, 14.07.
IR (ATR) 3388, 3308, 3226, 2919, 2849, 1459, 1437, 1123, 1085, 1033, 871, 727 cm-1.
MS (ESI) m/z 371 (M+Na+).
HRMS (ESI) calcd for C19H40Na1O3S1 (M+Na+) 371.25958, found 371.25964.
下記構造式で示される化合物21の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ (contains some overlapping peaks) 178.57, 71.66, 71.40, 68.92, 65.40, 38.81, 32.19, 32.15, 31.80, 29.71, 29.67, 29.53, 29.30, 29.20, 29.17, 28.94, 28.85, 27.16, 25.99, 22.62, 14.07.
IR (ATR) 3451, 2924, 2853, 1730, 1458, 1396, 1365, 1283, 1159, 1120, 1035 cm-1.
MS (ESI) m/z 455 (M+Na+).
HRMS (ESI) calcd for C24H48Na1O4S1 (M+Na+) 455.31710, found 455.31721.
下記構造式で示される化合物22の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ (contains some overlapping peaks) 178.36, 72.45, 71.69, 69.69, 66.19, 38.77, 32.20, 32.18, 31.81, 29.74, 29.72, 29.63, 29.35, 29.22, 29.19, 28.96, 28.89, 27.24, 26.05, 25.73, 22.64, 18.05, 14.08, -4.64, -4.82.
IR (ATR) 2926, 2854, 1732, 1460, 1282, 1251, 1119, 1004, 831, 776 cm-1.
MS (ESI) m/z 569 (M+Na+).
HRMS (ESI) calcd for C30H62Na1O4S1Si1 (M+Na+) 569.40358, found 569.40485.
下記構造式で示される化合物23の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ (contains some overlapping peaks) 72.77, 71.71, 71.16, 65.09, 32.20, 32.16, 31.80, 29.73, 29.70, 29.61, 29.31, 29.21, 29.18, 29.17, 28.95, 28.87, 26.03, 25.78, 22.63, 18.10, 14.07, -4.61, -4.88
IR (ATR) 2925, 2853, 1462, 1251, 1115, 1048, 1004, 834, 776, 722, 669 cm-1.
MS (ESI) m/z 485 (M+Na+).
HRMS (ESI) calcd for C25H54Na1O3S1Si1 (M+Na+) 485.34606, found 485.34768.
下記構造式で示される化合物24の製造(方法1)
13C NMR (126 MHz; CDCl3; Me4Si) δ (contains some overlapping peaks) 155.79, 83.39 (d, JC-P = 7.3 Hz, one diastereomer), 83.33 (d, JC-P = 8.3 Hz, the other diastereomer), 79.39, 71.95 (d, JC-P = 4.2 Hz), 71.72, 70.53 (d, JC-P = 8.3 Hz), 68.63 (d, JC-P = 6.2 Hz), 66.57 (brs), 40.97 (d, JC-P = 6.2 Hz), 32.20, 32.18, 31.81, 29.82, 29.80, 29.73, 29.71, 29.64, 29.37, 29.21, 28.96, 28.90, 28.38, 26.05, 25.77, 22.64, 18.13, 14.08, -4.74.
31P NMR (202 MHz, CDCl3, External standard: 85 % H3PO4) δ -4.67 (one diastereomer), -4.76 (the other diastereomer).
IR (ATR) 2926, 2854, 1732, 1460, 1282, 1251, 1119, 1004, 831, 776 cm-1.
MS (ESI) m/z 569 (M+Na+).
HRMS (ESI) calcd for C30H62Na1O4S1Si1 (M+Na+) 569.40358, found 569.40485.
下記構造式で示される化合物26の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ (contains some overlapping peaks) 155.76, 83.89 (d, JC-P = 5.2 Hz, one diastereomer), 83.84 (d, JC-P = 6.2 Hz, the other diastereomer), 79.42, 71.66, 70.81, 69.37-69.29 (several peaks), 68.77 (d, JC-P = 6.2 Hz), 66.68 (brs), 40.83 (d, JC-P = 6.2 Hz), 32.13, 32.10, 31.75, 29.75, 29.71, 29.66, 29.63, 29.50, 29.28, 29.15, 29.13, 28.89, 28.82, 28.32, 25.95, 22.57, 14.03.
31P NMR (202 MHz, CDCl3, External standard: 85 % H3PO4) δ -3.89.
IR (ATR) 3348, 2924, 2854, 1713, 1522, 1458, 1366, 1250, 1171, 1117, 998 cm-1.
MS (ESI) m/z 650 (M+Na+).
HRMS (ESI) calcd for C30H62N1Na1O8P1S1 (M+Na+) 650.38314, found 650.38294.
下記構造式で示される化合物27の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ (contains some overlapping peaks) 172.29, 155.73, 131.96, 129.31, 128.51, 128.24, 128.22, 128.19, 128.03, 128.01, 127.97, 127.80, 127.69, 126.95, 83.75 (d, JC-P = 7.3 Hz, one diastereomer), 83.67 (d, JC-P = 7.3 Hz, the other diastereomer), 79.39, 71.71, 70.82 (d, JC-P= 8.3 Hz), 68.30, 66.66, 65.40 (d, JC-P = 5.2 Hz), 40.89 (d, JC-P= 5.2), 34.06, 32.15, 32.12, 31.77, 29.75, 29.71, 29.69, 29.67, 29.49, 29.31, 29.18, 29.15, 28.92, 28.86, 28.34, 25.93, 25.59, 25.54, 25.49, 22.60, 20.51, 14.23, 14.05.
31P NMR (202 MHz, CDCl3, External standard: 85 % H3PO4) δ -4.73 (one diastereomer), -4.83 (the other diastereomer).
IR (ATR) 3011, 2925, 2853, 1738, 1714, 1517, 1457, 1366, 1267, 1170, 1000 cm-1
MS (ESI) m/z 960 (M+Na+).
HRMS (ESI) calcd for C52H92N1Na1O9P1S1 (M+Na+) 960.61281, found 960.61212.
下記構造式で示される本発明の化合物KIT-007の製造
13C NMR (126 MHz; CDCl3; Me4Si) δ (contains some overlapping peaks) 172.44, 131.95, 129.25, 128.51, 128.25, 128.23, 128.21, 128.04, 128.01, 127.80, 126.96, 71.73, 71.04 (d, JC-P = 8.3 Hz), 68.60, 65.49, 62.94 (d, JC-P = 8.3 Hz), 40.28 (d, JC-P = 6.2 Hz), 34.08, 32.17, 32.15, 31.78, 29.69, 29.54, 29.38, 29.23, 29.19, 29.16, 28.93, 25.95, 25.59, 25.49, 22.61, 20.51, 14.24, 14.06.
31P NMR (202 MHz, CDCl3, External standard: 85 % H3PO4) δ 0.95.
IR (ATR) 3012, 2924, 2853, 1735, 1683, 1526, 1457, 1374, 1204, 1132, 1076, 1026 cm-1
MS (ESI) m/z 804 (M-HCl+Na+).
HRMS (ESI) calcd for C43H76N1Na1O7P1S1 (M-HCl+Na+) 804.49778, found 804.49691.
[試験1]
神経細胞株(マウス神経芽腫由来NEURO2A細胞及びヒト神経芽腫由来SH-SY5Y細胞)を10 % FBS(ウシ胎児血清)を含むDMEM培地で24時間培養した。その後、2 % FBSを含むDMEM培地で一晩(18時間)培養し、5 μg/mlのs-Pls(ホタテ由来Pls)、本発明の化合物REO-002、本発明の化合物REO-003でそれぞれ30分間処理し、細胞をウェスタンブロッティングアッセイに付した。その際、同量のタンパク質(50 μgのタンパク抽出物)を分析に付し、ERK (ERK1/2)のリン酸化(p-ERK)を比較した。
神経細胞株(ヒト神経芽腫由来SH-SY5Y細胞)を10 % FBS(ウシ胎児血清)を含むDMEM培地で24時間培養した。その後、2 % FBSを含むDMEM培地で一晩(18時間)培養し、1 μg/ml, 5 μg/mlの本発明の化合物REO-004~REO-007でそれぞれ30分間処理し、細胞をウェスタンブロッティングアッセイに付した。その際、同量のタンパク質(50 μgのタンパク抽出物)を分析に付し、ERK (ERK1/2)のリン酸化(p-ERK)を比較した。
神経細胞株(マウス神経芽腫由来Neuro2A細胞)を10 % FBS(ウシ胎児血清)を含むDMEM培地で24時間培養した。その後、2 % FBSを含むDMEM培地で一晩(18時間)培養し、s-Pls(ホタテ由来Pls)及び本発明の化合物KIT-007の0.01 μg/ml~5 μg/mlでそれぞれ20分間処理し、細胞をウェスタンブロッティングアッセイに付した。その際、同量のタンパク質(50 μgのタンパク抽出物)を分析に付し、ERK (ERK1/2) のリン酸化(p-ERK)及び全ERKを比較した。
試薬としては、(1)コントロールとしての生理食塩水、(2)生理食塩水に溶解したLPS(LPS: 250 μg/kg)、(3)~(5)このLPS溶液に化合物KIT-007を所定濃度(低濃度(1mg/kg)、中濃度(10mg/kg)、高濃度(20mg/kg))で添加したものの計5種類を用いた。マウスの体重を8日間記録した(図5)。8日目にマウスを屠殺した。
その結果を図6~8に示す。図6~8に示すように、本発明の化合物KIT-007は、LPS誘発神経炎症に対する改善効果を有する。
試薬としては、(1)コントロールとしての生理食塩水、(2)生理食塩水に溶解したLPS(LPS: 250 μg/kg)、(3)このLPS溶液に化合物REO-002を低濃度(1mg/kg)添加したもの、(4)このLPS溶液に化合物REO-002を高濃度(5mg/kg)添加したものの計4種類を用いた。実験開始8日目に、無作為に各群から3匹のマウスを選び出し、屠殺して、経心腔的灌流を行い、脳を摘出し、免疫組織化学染色を行った。なお1日目及び4日目に、各群のマウスの一日当たりの飲水量を測定した。また、3日目に、各群のマウスの体重を測定した。
a. 全脳を4%パラホルムアルデヒドで固定し、スクロース脱水処理後OCTコンパウンド固定を行う。
b. 大脳皮質および海馬部位を20μmの厚さの切片にし、アジ化ナトリウムを加えたPBSで保存する。
c. 塩酸による抗原賦活化、トリス塩酸バッファーによる中和を経て、Iba-1(ミクログリア)、GFAP(アストロサイト)の染色、核染色を行う。
d. 蛍光顕微鏡で細胞数および細胞形状を確認する。
Claims (11)
- Xが、酸素原子であることを特徴とする請求項1記載の化合物、そのラセミ体又はそれらの塩。
- Yが、酸素原子、窒素原子又は硫黄原子であることを特徴とする請求項2記載の化合物、そのラセミ体又はそれらの塩。
- Xが、窒素原子、硫黄原子又は炭素原子であることを特徴とする請求項1記載の化合物、そのラセミ体又はそれらの塩。
- Yが、酸素原子、窒素原子、硫黄原子又は炭素原子であることを特徴とする請求項4記載の化合物、そのラセミ体又はそれらの塩。
- R1a及びR1bが、それぞれ飽和若しくは不飽和の脂肪族炭化水素基、芳香族基、又はこれらを組み合わせた基であることを特徴とする請求項1~5のいずれか記載の化合物、そのラセミ体又はそれらの塩。
- 請求項1~6のいずれか記載の化合物、そのラセミ体又はそれらの塩を有効成分として含むことを特徴とする医薬組成物。
- 脳神経病、糖尿病、メタボリックシンドローム、虚血性心疾患、不眠症、感染症、及び免疫異常から選ばれる生体内プラズマローゲンレベルの低下に起因する疾患の予防又は改善用であることを特徴とする請求項7記載の医薬組成物。
- 認知症、パーキンソン病、うつ病、及び統合失調症から選ばれる脳神経病の予防又は改善用であることを特徴とする請求項8記載の医薬組成物。
- 認知症の予防又は改善用であることを特徴とする請求項9記載の医薬組成物。
- 認知症が、アルツハイマー型認知症であることを特徴とする請求項10記載の医薬組成物。
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| EP19794041.4A EP3786170B1 (en) | 2018-04-27 | 2019-04-18 | Novel plasmalogen derivative |
| US17/050,905 US12060379B2 (en) | 2018-04-27 | 2019-04-18 | Plasmalogen derivatives |
| JP2019554942A JP6664638B1 (ja) | 2018-04-27 | 2019-04-18 | 新規プラズマローゲン誘導体 |
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| WO2021221066A1 (ja) * | 2020-04-28 | 2021-11-04 | 株式会社レオロジー機能食品研究所 | 免疫機能亢進用組成物 |
| JPWO2023027021A1 (ja) * | 2021-08-23 | 2023-03-02 | ||
| WO2023157948A1 (ja) * | 2022-02-21 | 2023-08-24 | Dic株式会社 | 経口用組成物 |
| WO2024111529A1 (ja) * | 2022-11-21 | 2024-05-30 | 株式会社 レオロジー機能食品研究所 | 脳プラズマローゲン増加剤、脳プラズマローゲン増加用経口組成物及び化合物の使用 |
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| JPWO2023089986A1 (ja) * | 2021-11-22 | 2023-05-25 |
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| WO2021221066A1 (ja) * | 2020-04-28 | 2021-11-04 | 株式会社レオロジー機能食品研究所 | 免疫機能亢進用組成物 |
| JP7033263B1 (ja) * | 2020-04-28 | 2022-03-10 | 株式会社 レオロジー機能食品研究所 | 免疫機能亢進用組成物 |
| JP2022044703A (ja) * | 2020-04-28 | 2022-03-17 | 株式会社 レオロジー機能食品研究所 | 抗感染用組成物 |
| JP7712675B2 (ja) | 2020-04-28 | 2025-07-24 | 株式会社 レオロジー機能食品研究所 | 抗感染用組成物 |
| JPWO2023027021A1 (ja) * | 2021-08-23 | 2023-03-02 | ||
| WO2023027021A1 (ja) * | 2021-08-23 | 2023-03-02 | 株式会社レオロジー機能食品研究所 | 新規プラズマローゲン誘導体 |
| JP7629164B2 (ja) | 2021-08-23 | 2025-02-13 | 株式会社 レオロジー機能食品研究所 | 新規プラズマローゲン誘導体 |
| WO2023157948A1 (ja) * | 2022-02-21 | 2023-08-24 | Dic株式会社 | 経口用組成物 |
| WO2024111529A1 (ja) * | 2022-11-21 | 2024-05-30 | 株式会社 レオロジー機能食品研究所 | 脳プラズマローゲン増加剤、脳プラズマローゲン増加用経口組成物及び化合物の使用 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3786170A4 (en) | 2021-03-03 |
| CN112166116A (zh) | 2021-01-01 |
| EP3786170B1 (en) | 2025-11-12 |
| CN112166116B (zh) | 2024-04-12 |
| US12060379B2 (en) | 2024-08-13 |
| US20210238208A1 (en) | 2021-08-05 |
| JPWO2019208392A1 (ja) | 2020-05-28 |
| EP3786170A1 (en) | 2021-03-03 |
| JP6664638B1 (ja) | 2020-03-13 |
| KR20210005190A (ko) | 2021-01-13 |
| JP2020097580A (ja) | 2020-06-25 |
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