WO2018123207A1 - ナフトビスカルコゲナジアゾール誘導体及びその製造方法 - Google Patents
ナフトビスカルコゲナジアゾール誘導体及びその製造方法 Download PDFInfo
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- WO2018123207A1 WO2018123207A1 PCT/JP2017/037201 JP2017037201W WO2018123207A1 WO 2018123207 A1 WO2018123207 A1 WO 2018123207A1 JP 2017037201 W JP2017037201 W JP 2017037201W WO 2018123207 A1 WO2018123207 A1 WO 2018123207A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
- C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
- C07D513/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D517/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having selenium, tellurium, or halogen atoms as ring hetero atoms
- C07D517/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having selenium, tellurium, or halogen atoms as ring hetero atoms in which the condensed system contains two hetero rings
- C07D517/04—Ortho-condensed systems
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/484—Insulated gate field-effect transistors [IGFETs] characterised by the channel regions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Definitions
- the present invention relates to a naphthobischalcogenadiazole derivative into which a fluorine atom is introduced and a method for producing the same.
- Patent Documents 2 and 3 and Non-Patent Document 2 a donor-acceptor polymer obtained by introducing a naphthobischalcogenadiazole skeleton as an acceptor portion exhibits extremely high photoelectric conversion efficiency.
- Patent Document 4 describes a polymer for an organic semiconductor device composed of repeating units having a chlorine atom or an alkyl group introduced at the 5-position and 10-position of a naphthobisthiadiazole skeleton. Describes a p-type organic semiconductor material into which fluorine atoms are introduced.
- Patent Document 4 does not disclose a compound having the modification.
- Patent Document 5 discloses a compound with the modification, there is no description indicating that the compound is produced through an intermediate having the same naphthobischalcogenadiazole skeleton. Therefore, at present, it is difficult to systematically search and synthesize various naphthobischalcogenadiazole compounds with enhanced electron acceptability.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a naphthobischalcogenadiazole compound into which a fluorine atom which is a powerful electron-withdrawing substituent that improves electron acceptability is introduced.
- An object of the present invention is to provide a naphthobischalcogenadiazole derivative that can be used as a highly versatile production intermediate for production, and a production method thereof.
- the naphthobischalcogenadiazole derivative according to the present invention has the formula (I):
- a 1 and A 2 are each independently an oxygen atom, a sulfur atom, a selenium atom or a tellurium atom;
- X 1 and X 2 are each independently a hydrogen atom, a halogen atom, a boronic acid group, A boronic acid ester group, a boronic acid diaminonaphthalenamide group, a boronic acid N-methyliminodiacetic acid ester group, a trifluoroborate base or a triol borate base
- a 1 and A 2 in the formula (I) are each independently preferably an oxygen atom, a sulfur atom or a selenium atom. Moreover, it is preferable that both A 1 and A 2 in the formula (I) are a sulfur atom or a selenium atom. Furthermore, it is more preferable that A 1 and A 2 in the above formula (I) are naphthobisthiadiazole derivatives in which both are sulfur atoms.
- Both X 1 and X 2 in the above formula (I) are preferably halogen atoms.
- Specific examples of the halogen atom represented by X 1 and X 2 in the formula (I) are preferably a fluorine atom, a chlorine atom, a bromine atom or an iodine atom, and more preferably a bromine atom or an iodine atom.
- both X 1 and X 2 in the above formula (I) are boronic ester groups.
- Specific examples of the boronic acid ester group represented by X 1 and X 2 in the above formula (I) include a boronic acid dimethyl ester group, a boronic acid diethyl ester group, a boronic acid dipropyl ester group, and a boronic acid diisopropyl ester group.
- a boronic acid dialkyl ester group such as a boronic acid dibutyl ester group and a boronic acid dihexyl ester group; a boronic acid dicycloalkyl ester group such as a boronic acid dicyclohexyl ester group; a boronic acid pinacol ester group, a boronic acid neopentyl glycol ester group, boron Acid hexylene glycol ester group, boronic acid catechol ester group, boronic acid ethylene glycol ester group, boronic acid propylene glycol ester group, boronic acid 1,3-propanediol ester group, boronic acid 1,3-butanediol ester group, etc.
- Cyclic boronate ester groups is preferably a boronic acid dialkyl ester group or cyclic boronate ester groups.
- naphthobischalcogenadiazole derivative represented by the formula (I) include compounds represented by the following structural formulas 1 to 60.
- R represents an alkyl group
- Me represents a methyl group.
- an alkyl group or an alkyl moiety may be linear or branched, and specific examples thereof include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, C 1 -C 10 alkyl such as sec-butyl, tert-butyl, pentyl, hexyl, decyl and the like can be mentioned.
- the production method according to the present invention is a method for producing the naphthobischalcogenadiazole derivative described above, wherein tetraamino-difluoronaphthalene or a hydrochloride thereof is reacted with a sulfurizing agent, a selenizing agent or a tellurizing agent. Including the step of
- the production method according to the present invention is a method for producing the naphthobischalcogenadiazole derivative described above, and includes a step of oxidizing and then reducing diamino-difluoro-dinitronaphthalene or a hydrochloride thereof.
- the production method according to the present invention is a method for producing the naphthobischalcogenadiazole derivative described above, wherein tetraamino-difluoronaphthalene or a hydrochloride thereof is reacted with a sulfurizing agent, a selenizing agent or a tellurizing agent. And a step of reacting the obtained naphthobischalcogenadiazole derivative with a halogenating agent or a boronating agent.
- the production method according to the present invention is a method for producing the above-mentioned naphthobischalcogenadiazole derivative, comprising oxidizing and then reducing diamino-difluoro-dinitronaphthalene or a hydrochloride thereof, and the obtained naphthobiscal Reacting a cogenadiazole derivative with a halogenating agent or a boronating agent.
- the production method according to the present invention preferably includes a step of producing tetraamino-difluoronaphthalene or its hydrochloride by reducing diamino-difluoro-dinitronaphthalene or its hydrochloride.
- the production method according to the present invention preferably includes a step of producing diamino-difluoro-dinitronaphthalene or a hydrochloride thereof by nitration reaction of diamino-difluoronaphthalene or a hydrochloride thereof.
- the production method according to the present invention preferably includes a step of producing a diamino-difluoronaphthalene or a hydrochloride thereof by amination reaction of difluoronaphthalene.
- the production method according to the present invention preferably includes a step of producing difluoronaphthalene by fluorinating diaminonaphthalene.
- the naphthobischalcogenadiazole derivative according to the present invention includes a compound having a halogen atom or a boron atom, Suzuki coupling reaction, Stille coupling reaction, Negishi coupling reaction, Sonogashira coupling reaction, or oxidation. It is applicable to organometallic catalyzed reactions such as chemical coupling reactions. Therefore, the naphthobischalcogenadiazole derivative according to the present invention can be converted into various extended ⁇ -electron compounds by the reaction. For example, with reference to the method described in Angelevante Chemie International Edition, Volume 51, pages 5062-5085 (2012), the naphthobischalcogenadiazole derivative according to the present invention can be used to produce a fluorine atom. It is possible to synthesize various naphthobischalcogenadiazole compounds into which is introduced.
- the naphthobischalcogenadiazole derivative represented by the above formula (I) is obtained by appropriately combining these production methods according to the starting materials (raw materials) according to the methods described in the following production methods [A] to [U]. Can be synthesized.
- the salts of the respective compounds in the production methods [A] to [U] shown below include all salts allowed in the technical field.
- Specific examples of such salts include, for example, salts with inorganic acids such as hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid; tartaric acid, formic acid, acetic acid, citric acid, fumaric acid, maleic acid, trichloroacetic acid, trifluoroacetic acid
- salts with organic carboxylic acids such as methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, mesitylenesulfonic acid, naphthalenesulfonic acid and the like.
- Production method [A] is a method for producing a naphthobisoxadiazole derivative of formula (II) or formula (I-II) from a compound of formula (II), formula (III) or formula (IV) below, It consists of the following first step, second step and third step.
- each compound of formulas (II), formula (III) or formula (IV) is reacted with an oxidizing agent (oxidation reaction) to thereby formula (V) and formula (VI).
- an oxidizing agent oxidation reaction
- a compound of formula (VII) is prepared.
- Each compound of formulas (II) to (IV) may be a salt.
- the oxidizing agent is not particularly limited as long as the reaction proceeds.
- oxygen gas ozone gas, chromium oxide, potassium permanganate, hydrogen peroxide, m-chloroperbenzoic acid, ruthenium tetroxide, etc. Is mentioned.
- the oxidizing agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of the above formula (II), formula (III) or formula (IV).
- the reaction in the first step of the production method [A] can usually be performed in the presence of a base and a solvent, and can be performed in the presence of a phase transfer catalyst, if necessary.
- the base is not particularly limited as long as the reaction proceeds.
- alkali metal carbonates such as sodium carbonate, potassium carbonate, cesium carbonate; sodium methoxide, sodium ethoxide, potassium tertiary butoxide, etc.
- Alkali metal alkoxides alkali metal hydrogen carbonates such as sodium hydrogen carbonate; alkaline earth metal carbonates such as calcium carbonate; metal hydroxides such as sodium hydroxide and potassium hydroxide; sodium hydride and potassium hydride Metal hydrides of the above; organic amines such as triethylamine, diisopropylethylamine, pyridine, 4- (N, N-dimethylamino) pyridine; and the like.
- the base can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (II), formula (III) or formula (IV).
- the solvent is not particularly limited as long as the reaction proceeds.
- aromatic hydrocarbons such as benzene, toluene, xylene and chlorobenzene
- alcohols such as methyl alcohol, ethyl alcohol and isopropyl alcohol
- hexane and heptane Aliphatic hydrocarbons such as petroleum ether, ligroin and cyclohexane
- halogenated hydrocarbons such as chloroform, dichloromethane, carbon tetrachloride and 1,2-dichloroethane
- ethylene Ethers such as glycol dimethyl ether
- esters such as methyl acetate and ethyl acetate
- dimethyl sulfoxide, sulfolane dimethylacetamide, dimethylformamide, N-methylpyrrolidone, pyridine
- phase transfer catalyst examples include quaternary ammonium salts such as tetrabutylammonium chloride, tetrabutylammonium bromide and tetrabutylammonium iodide; crown ethers such as 18-crown-6; phosphonium salts such as alkyltributylphosphonium bromide; Etc.
- the reaction temperature in the first step is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- the compound of formula (I-I) is produced by reacting (reducing reaction) the compound of formula (V), formula (VI) or formula (VII) with a reducing agent.
- the reducing agent is not particularly limited as long as the reaction proceeds, and examples thereof include hydroxylamine hydrochloride, trimethyl phosphate, triethyl phosphite, triphenylphosphine, sulfur, and ethylene glycol.
- the reducing agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (V), formula (VI) or formula (VII).
- the second step of the production method [A] can usually be performed in the presence of a base and a solvent.
- the base is not particularly limited as long as the reaction proceeds, and examples thereof include the same bases as those used in the first step.
- the base can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (II), formula (III) or formula (IV).
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step can be used.
- the reaction temperature in the second step is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- the compound of formula (I-II) is reacted with the compound of formula (II) and a halogenating agent or boronating agent (halogenation reaction or boronation reaction). To manufacture.
- the halogenating agent is not particularly limited as long as the reaction proceeds, and examples thereof include N-chlorosuccinimide, bromine, N-bromosuccinimide, N-iodosuccinimide and the like.
- the halogenating agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (I-I).
- the boronating agent is not particularly limited as long as the reaction proceeds.
- the boronating agent can be used in a ratio of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (I-I).
- the reaction can be carried out in the presence of an organometallic catalyst, an organic ligand and a base as necessary.
- organometallic catalyst examples include bis (triphenylphosphine) palladium dichloride, tetrakis (triphenylphosphine) palladium, [1,1′-bis (diphenylphosphino) ferrocene] palladium (II) dichloride, bis (tri-tert A palladium catalyst such as butylphosphine) palladium; an iridium catalyst such as bis (1,5-cyclooctadiene) di- ⁇ -methoxydiiridium;
- the organometallic catalyst can be used at a ratio of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, with respect to 1 equivalent of the compound of the formula (I-I).
- organic ligand examples include 4,4'-di-tert-butyl-2,2'-dipyridyl and the like.
- the organic ligand can be used in a ratio of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, relative to 1 equivalent of the compound of the formula (I-I).
- the base is not particularly limited as long as the reaction proceeds, and examples thereof include the same bases as those used in the first step or the second step.
- the base can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (I-I).
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step can be used.
- the reaction temperature in the third step is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- Production method [B] is a method for producing a naphthobischalcogenadiazole derivative of formula (I-III) or formula (I-IV) from a compound of formula (VIII) or a salt thereof. It consists of two steps.
- the compound of formula (VIII) is reacted with a sulfurizing agent, a selenizing agent or a tellurizing agent (sulfuration reaction, selenization reaction or tellurization reaction) to obtain a formula A compound of (I-III) is produced.
- the sulfurizing agent is not particularly limited as long as the reaction proceeds.
- sulfur sulfur monochloride, sulfur dichloride, thionyl chloride, sulfuryl chloride, 2,4-bis (4-methoxyphenyl) ) -1,3,2,4-dithiadiphosphetane-2,4-disulfide.
- the sulfurizing agent can be used in a ratio of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of the above formula (VIII).
- the selenizing agent is not particularly limited as long as the reaction proceeds.
- the selenizing agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (VIII).
- the tellurium agent is not particularly limited as long as the reaction proceeds, and examples thereof include tellurium tetrachloride, tellurium tetrabromide, tellurium tetraiodide, tellurium monoxide, tellurium dioxide, tellurium trioxide, suboxide. Examples include telluric acid.
- the tellurizing agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (VIII).
- the reaction in the first step of the production method [B] can usually be performed in the presence of a base and a solvent.
- the base is not particularly limited as long as the reaction proceeds, and examples thereof include the same bases as those used in the production method [A].
- the base can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (VIII).
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the reaction temperature in the first step is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- the compound of formula (I-IV) is reacted with a compound of formula (I-III) and a halogenating agent or boronating agent (halogenation reaction or boronation reaction). A compound is produced.
- the halogenating agent or boronating agent is not particularly limited as long as it is a halogenating agent or boronating agent in which the reaction proceeds.
- it is the same as the halogenating agent or boronating agent used in the third step of the production method [A].
- a halogenating agent or boronating agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (I-III).
- Boronation can be performed in the presence of an organometallic catalyst, an organic ligand, and a base, as necessary.
- the organometallic catalyst and the organic ligand are not particularly limited as long as the reaction proceeds, and for example, the organometallic catalyst and the organic coordination used in the third step of the production method [A].
- the same organometallic catalyst and organic ligand as the child are mentioned.
- the organometallic catalyst can be used at a ratio of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, with respect to 1 equivalent of the compound of the formula (I-III).
- the organic ligand can be used at a ratio of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, with respect to 1 equivalent of the compound of the formula (I-III).
- the base is not particularly limited as long as the reaction proceeds, and examples thereof include the same bases as those used in the first step of the production method [A].
- the base can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (I-III).
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the second step of the production method [A] can be used.
- the reaction temperature in the second step is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- Production method [C] is a method for producing a compound of formula (II), formula (III), formula (IV) or formula (VIII) from a compound of formula (IX), and comprises the following steps.
- U, V, W, X, Y and Z represent six substituents bonded to the naphthalene ring at positions other than the positions where hydrogen atoms are originally bonded, and these substituents are each independently , Hydrogen atom, halogen atom (fluorine atom, chlorine atom, bromine atom, iodine atom, etc.), amino group, nitro group, hydroxy group, trifluoromethanesulfonyl group (OTf), B (OR a ) (OR b ) group, boron Represents an acid diaminonaphthalenamide group, boronic acid N-methyliminodiacetic acid ester group, trifluoroborate base or triol borate base, wherein R a and R b each independently represent a hydrogen atom or a C 1 -C 10 alkyl group in and, (oR a) and (oR b) may form a ring together; substitution position of the U, V, W, X, Y and
- a necessary step is selected from these steps. It is configured by selecting and combining appropriately. The selection and combination of the necessary steps (the order in which the selected steps are carried out) can be determined by those skilled in the art from the structure of the compound of formula (IX) as the starting material and the formulas (II) and (III) as the target materials. From the structure of the compound of formula (IV) or formula (VIII), it can be easily understood.
- a compound of formula (XI) is produced by reacting (nitrating) a compound of formula (IX-I) with a nitrating agent.
- the substitution positions of the U, V, W, X, Y, and Z in the naphthalene ring are not specified, specifically, the structure in which Y and Z in the formula (IX-I) are hydrogen atoms is Of the six substituents bonded to the naphthalene ring, excluding the two hydrogen atoms originally bonded, two represent hydrogen atoms and four represent substituents other than hydrogen atoms. Further, the structure in which U, V, W and X are hydrogen atoms means that four of the six substituents bonded to the naphthalene ring, excluding the two hydrogen atoms originally bonded, are hydrogen atoms, Two represent substituents other than a hydrogen atom.
- the structure in which Y and Z in formula (XI) are nitro groups means that two of the six substituents bonded to the naphthalene ring, excluding the two hydrogen atoms originally bonded, are nitro groups.
- 4 represents a substituent other than a nitro group (in the case of n ′ ⁇ n, a hydrogen atom that has not been nitrated is also included).
- the nitrating agent is not particularly limited as long as the reaction proceeds, and examples thereof include a nitration material comprising a combination of potassium nitrate / concentrated nitric acid or fuming nitric acid / concentrated sulfuric acid or fuming nitric acid / acetic anhydride. It is done.
- the nitrating agent can be used in a ratio of 1 to 20 equivalents relative to 1 equivalent of the compound of formula (IX-I).
- Reaction of manufacturing method [D] can be performed in presence of a solvent as needed.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the reaction temperature is usually ⁇ 30 to 100 ° C., preferably 0 to 50 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of the formula (X-II) is produced by reacting (oxidation) a compound of the formula (IX-II) with an oxidizing agent.
- oxygen gas for example, oxygen gas, ozone gas, hydrogen peroxide, m-chloroperbenzoic acid, tert-butyl hydroperoxide, sodium perborate, dimethyl
- oxidizing agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-II).
- the reaction of the production method [E] can usually be performed in the presence of a solvent.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- reaction of the production method [E] can be performed in the presence of a catalyst, if necessary.
- the catalyst is not particularly limited as long as the reaction proceeds, and examples thereof include methyltrioxorhenium and zirconium tert-butoxide.
- the catalyst can be used in a ratio of 0.0001 to 5 equivalents relative to 1 equivalent of the compound of formula (IX-II).
- the reaction temperature is usually 0 to 120 ° C., preferably 0 to 50 ° C.
- the reaction time is usually 1 to 48 hours.
- the halogenating agent is not particularly limited as long as the reaction proceeds, and examples thereof include the same halogenating agents as those used in the third step of the production method [A].
- the halogenating agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-III).
- the reaction of the production method [F] can usually be performed in the presence of a solvent.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the reaction temperature is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- Manufacturing method [G] In the production method [G], a compound of formula (IX-IV) and an inorganic nitrite or nitrite are reacted (diazotization reaction) to form a diazonium compound, and then reacted with the diazonium compound and a halogenating agent (halogenation). Reaction) to produce a compound of formula (X-IV).
- the inorganic nitrite is not particularly limited as long as the reaction proceeds, and examples thereof include sodium nitrite and potassium nitrite.
- the nitrite is not particularly limited as long as the reaction proceeds, and examples thereof include tert-butyl nitrite and isoamyl nitrite.
- Inorganic nitrite or nitrite can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-IV).
- the halogenating agent is not particularly limited as long as the reaction proceeds.
- fluorine, chlorine, bromine, iodine; potassium halides such as potassium iodide; copper fluoride (I), copper chloride (I), copper (I) halides such as copper (I) bromide, copper (I) iodide; copper (II) fluoride, copper (II) chloride, copper (II) bromide, copper iodide
- Copper (II) halide salts such as (II); hydrohalic acids such as hydrofluoric acid, hydrochloric acid, hydrobromic acid, hydroiodic acid; tetrafluoroboric acid, silver tetrafluoroborate; etc. Is mentioned.
- the halogenating agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-IV).
- the reaction of the production method [G] can usually be performed in the presence of a solvent.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the diazotization reaction of the production method [G] can be performed in the presence of a copper catalyst, an acid or a base, if necessary.
- the copper catalyst is not particularly limited as long as the reaction proceeds.
- the copper catalyst can be used in a proportion of 0.01 to 5 equivalents relative to 1 equivalent of the compound of formula (IX-IV).
- the acid is not particularly limited as long as the reaction proceeds, and examples thereof include inorganic acids such as hydrochloric acid and sulfuric acid; organic acids such as acetic acid and methanesulfonic acid.
- the acid can be used in a ratio of 1 to 20 equivalents relative to 1 equivalent of the compound of formula (IX-IV).
- the base is not particularly limited as long as the reaction proceeds.
- alkali metal hydrides such as sodium hydride
- alkali metal carbonates such as sodium carbonate, potassium carbonate, cesium carbonate
- lithium hydroxide lithium hydroxide
- water alkali metal hydroxides
- the base can be used at a ratio of 1 to 20 equivalents relative to 1 equivalent of the compound of formula (IX-IV).
- the reaction temperature of the production method [G] is usually ⁇ 20 to 200 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of formula (XV) is produced by reacting a compound of formula (IX-V) with a halogen substituent (halogen substitution reaction).
- the reaction of the production method [H] can usually be performed in the presence of a solvent.
- the solvent is not particularly limited as long as the reaction proceeds, and for example, a solvent similar to the solvent used in the production method [G] can be used.
- the reaction temperature is usually ⁇ 20 to 200 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of the formula (X-VI) is produced by reacting (halogenating) a compound of the formula (IX-VI) with a halogenating agent.
- halogenating agent manufactured by SIGMA-ALDRICH; trade name: PhenoFluor
- the halogenating agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-VI).
- the reaction of the production method [I] can usually be performed in the presence of a solvent.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the reaction temperature is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of the formula (X-VII) is produced by reacting (halogenating) a compound of the formula (IX-VII) with a halogenating agent.
- U, V, W, X, Y and Z are as defined above, and at least one of these substituents is a trifluoromethanesulfonyl group (OTf), and n is , U, V, W, X, Y, Z represents the number of substituents that are trifluoromethanesulfonyl groups, and is an integer satisfying 1 ⁇ n ⁇ 6; in the formula (X-VII), U, V, W, X, Y, and Z are as described above, and at least one of these substituents is a fluorine atom, and n ′ is an integer that satisfies 1 ⁇ n ′ ⁇ n.
- the halogenating agent is not particularly limited as long as the reaction proceeds, and examples thereof include cesium fluoride.
- the halogenating agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-VII).
- the reaction of the production method [J] can usually be performed in the presence of a solvent, a metal catalyst and a ligand.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the metal catalyst is not particularly limited as long as the reaction proceeds.
- palladium ( ⁇ -cinnamyl) chloride bis (triphenylphosphine) palladium dichloride, tetrakis (triphenylphosphine) palladium, [1, And palladium catalysts such as 1′-bis (diphenylphosphino) ferrocene] palladium (II) dichloride and bis (tri-tert-butylphosphine) palladium.
- ligand examples include 2- (dicyclohexylphosphino) -3,6-dimethoxy-2 ', 4', 6'-triisopropyl-1,1'-biphenyl and the like.
- Commercially available ligands can also be used.
- the metal catalyst and the ligand can be used in a ratio of 0.01 to 5 equivalents, preferably 0.05 to 1 equivalent, with respect to 1 equivalent of the compound of formula (IX-VII).
- the reaction temperature is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of the formula (X-VIII) is produced by reacting (halogenating) a compound of the formula (IX-VIII) with a halogenating agent.
- n is an integer satisfying n)
- Specific examples of the B (OR a ) (OR b ) group include a boronic acid group, a boronic acid dimethyl ester group, a boronic acid diethyl ester group, a boronic acid dipropyl ester group, a boronic acid diisopropyl ester group, and a boronic acid dibutyl ester.
- boronic acid dihexyl ester group boronic acid pinacol ester group, boronic acid neopentyl glycol ester group, boronic acid hexylene glycol ester group, boronic acid catechol ester group, boronic acid ethylene glycol ester group, boronic acid propylene glycol ester group, Examples thereof include a boronic acid 1,3-propanediol ester group and a boronic acid 1,3-butanediol ester group.
- the halogenating agent is not particularly limited as long as the reaction proceeds.
- the halogenating agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-VIII).
- the reaction of the production method [K] can usually be performed in the presence of a solvent or a metal salt.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the metal salt is not particularly limited as long as the reaction proceeds, and examples thereof include silver (I) fluoride, copper (I) triflate, bis (pivaloylnitrile) copper (I) triflate, and the like. It is done.
- the metal salt can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-VIII).
- the reaction temperature is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- the organic lithium is not particularly limited as long as the reaction proceeds, and examples thereof include n-butyl lithium and lithium diisopropylamide.
- the organolithium can be used in a ratio of 1 to 20 equivalents relative to 1 equivalent of the compound of formula (IX-IX).
- the boronating agent is not particularly limited as long as the reaction proceeds.
- the boronating agent can be used at a ratio of 1 to 20 equivalents relative to 1 equivalent of the compound of formula (IX-IX).
- the reaction of the production method [L] can usually be performed in the presence of a solvent.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the reaction temperature is usually ⁇ 80 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of formula (XX) is produced by reacting (borating) a compound of formula (IX-X) with a boronating agent.
- the boronating agent is not particularly limited as long as the reaction proceeds, and examples thereof include 4,4,5,5-tetramethyl-1,3,2-dioxaborolane.
- the boronating agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-X).
- the reaction of the production method [M] can be usually performed in the presence of a solvent, an organometallic catalyst, an organic ligand and a base.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the organometallic catalyst is not particularly limited as long as the reaction proceeds, and examples thereof include the same organometallic catalysts as those used in the second step of the production method [B].
- the organometallic catalyst can be used in a proportion of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, relative to 1 equivalent of the compound of formula (IX-X).
- the organic ligand is not particularly limited as long as the reaction proceeds, and examples thereof include the same organic ligands as those used in the third step of the production method [A].
- the organic ligand can be used in a proportion of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, relative to 1 equivalent of the compound of formula (IX-X).
- the base is not particularly limited as long as the reaction proceeds, and examples thereof include the same bases as those used in the first step of the production method [A].
- the base can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-X).
- the reaction temperature is usually from 0 ° C to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of the formula (X-XI) is produced by reacting (borating) a compound of the formula (IX-XI) with a boronating agent.
- the boronating agent is not particularly limited as long as the reaction proceeds, and examples thereof include 4,4,5,5-tetramethyl-1,3,2-dioxaborolane.
- the boronating agent can be used in a ratio of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XI).
- the reaction of the production method [N] can usually be performed in the presence of a solvent, an organometallic catalyst, an organic ligand, and a base.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the organometallic catalyst is not particularly limited as long as the reaction proceeds, and examples thereof include the same organometallic catalysts as those used in the second step of the production method [B].
- the organometallic catalyst can be used in a proportion of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, relative to 1 equivalent of the compound of formula (IX-XI).
- the organic ligand is not particularly limited as long as the reaction proceeds, and examples thereof include the same organic ligands as those used in the third step of the production method [A].
- the organic ligand can be used in a proportion of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, relative to 1 equivalent of the compound of formula (IX-XI).
- the base is not particularly limited as long as the reaction proceeds, and examples thereof include the same bases as those used in the first step of the production method [A].
- the base can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XI).
- the reaction temperature is usually 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- metal hydroxide such as lithium hydroxide, sodium hydroxide, potassium hydroxide, cesium hydroxide; tetrabutylammonium hydroxide , Tetrabutylammonium hydroxide bromide, tetrabutylammonium hydroxide iodide, and the like.
- the hydroxylating agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XII).
- the reaction of the production method [O] can usually be performed in the presence of a solvent, and can be performed in the presence of a copper compound, an organic ligand and a phase transfer catalyst, if necessary.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the copper compound is not particularly limited as long as the reaction proceeds, and examples thereof include copper fluoride (I), copper chloride (I), copper bromide (I), and copper iodide (I).
- the copper compound can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XII).
- the organic ligand is not particularly limited as long as the reaction proceeds, and examples thereof include the same organic ligands as those used in the third step of the production method [A].
- the organic ligand can be used in a ratio of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, relative to 1 equivalent of the compound of formula (IX-XII).
- the phase transfer catalyst is not particularly limited as long as the reaction proceeds, and examples thereof include the same phase transfer catalyst as the phase transfer catalyst used in the first step of the production method [A].
- the phase transfer catalyst can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XII).
- the reaction temperature is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- the introduced hydroxy group can be subjected to introduction of a protecting group and cleavage of the protecting group (deprotection reaction) as necessary.
- a protecting group suitable for protecting a hydroxy group, a method for introducing the protecting group, and a method for cleaving the protecting group are well known to those skilled in the art (for example, Protective Group Synthetic Organic Synthesis 4th Protective Group Synthetic Organic Synthesis). Edition, 2006, see John Wiley & Sons, Inc.).
- the protecting group for the hydroxy group includes all groups that can be used as a protecting group for a normal hydroxy group.
- the protective group in Organic Synthesis Protective Groups in Organic Synthesis
- Specific examples of the protecting group include, for example, a benzyl group (for example, benzyl group, p-methoxybenzyl group, p group) which may be substituted with a substituent selected from a halogen atom, a C 1 -C 6 alkoxy group and a nitro group.
- -Nitrobenzyl group or p-chlorobenzyl group a C 1 -C 6 alkoxycarbonyl group optionally substituted by 1 to 3 substituents selected from a halogen atom and an aryl group (for example, Methoxycarbonyl group, tert-butoxycarbonyl group, 2,2,2-trichloroethoxycarbonyl group, benzyloxycarbonyl group, 9-fluorenylmethoxycarbonyl group and the like); allyl group; dialkylaminoalkylidene group (for example, Examples include N, N-dimethylaminomethylene group or N, N-diethylaminomethylene group.
- a formyl group; a C 1 -C 6 alkanoyl group optionally substituted by 1 to 3 halogen atoms for example, acetyl group, chloroacetyl group, trichloroacetyl group, trifluoroacetyl group, pivaloyl group, etc.
- a compound of the formula (X-XIII) is produced by reacting (amination reaction) a compound of the formula (IX-XIII) and an aminating agent.
- U, V, W, X, Y and Z are as described above, and at least one of these substituents is a halogen atom (Hal), and n is U , V, W, X, Y, Z represents the number of substituents which are halogen atoms (Hal) and is an integer satisfying 1 ⁇ n ⁇ 6; in formula (X-XIII), U , V, W, X, Y, Z are as described above, at least one of these substituents is an amino group, and n ′ is an integer satisfying 1 ⁇ n ′ ⁇ n)
- the aminating agent is not particularly limited as long as the reaction proceeds, and examples thereof include ammonia, aqueous ammonia, ammonium hydroxide, and tetrabutylammonium hydroxide.
- the aminating agent can be used in an amount of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-
- the reaction of the production method [P] can usually be performed in the presence of a solvent, and can be performed in the presence of a copper compound, an organic ligand and a phase transfer catalyst, if necessary.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the copper compound is not particularly limited as long as the reaction proceeds, and for example, the same copper compound as the copper compound used in the production method [O] can be mentioned.
- the copper compound can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XIII).
- the phase transfer catalyst is not particularly limited as long as the reaction proceeds, and examples thereof include the same phase transfer catalyst as the phase transfer catalyst used in the production method [O].
- the phase transfer catalyst can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XIII).
- the reaction temperature is usually 0 to 200 ° C., preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- Manufacturing method [Q] In the production method [Q], a compound of formula (IX-XIV) and an iminating agent are reacted (imination reaction) to give an imine, and then the imine is hydrolyzed to give a compound of formula (X-XIV). A compound is produced.
- U, V, W, X, Y, and Z are as described above, and at least one of these substituents is a halogen atom (Hal), and n is U , V, W, X, Y, Z represents the number of substituents which are halogen atoms (Hal) and is an integer satisfying 1 ⁇ n ⁇ 6; in formula (X-XIV), U , V, W, X, Y, Z are as described above, at least one of these substituents is an amino group, and n ′ is an integer satisfying 1 ⁇ n ′ ⁇ n)
- the iminating agent is not particularly limited as long as the reaction proceeds, and examples thereof include benzophenone.
- the iminating agent can be used at a ratio of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XIV).
- the imination reaction of the production method [Q] can usually be performed in the presence of a solvent, a base and an organometallic catalyst.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the base is not particularly limited as long as the reaction proceeds, and examples thereof include the same bases as those used in the first step of the production method [A].
- the base can be used at a ratio of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XIV).
- the organometallic catalyst is not particularly limited as long as the reaction proceeds, and examples thereof include the same organometallic catalysts as those used in the second step of the production method [B].
- the organometallic catalyst can be used in a proportion of 0.001 to 5 equivalents, preferably 0.01 to 1 equivalent, relative to 1 equivalent of the compound of formula (IX-XIV).
- the hydrolysis reaction of the production method [Q] can usually be performed in the presence of a solvent and an acid.
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the acid is not particularly limited as long as the reaction proceeds, and examples thereof include inorganic acids such as hydrochloric acid and sulfuric acid; organic acids such as acetic acid.
- the reaction temperature is usually 0 ° C to 200 ° C, preferably 0 to 120 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of the formula (X-XV) is produced by reacting (reducing reaction) a compound of the formula (IX-XV) with a metal or a metal salt.
- the metal salt is not particularly limited as long as the reaction proceeds, and examples thereof include tin chloride.
- the base can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (IX-XV).
- the reaction of the production method [R] can usually be performed in the presence of an acid, and can be performed in the presence of a solvent, if necessary.
- the acid is not particularly limited as long as the reaction proceeds, and examples thereof include the same acids as those used in the hydrolysis reaction of the production method [Q].
- the solvent is not particularly limited as long as the reaction proceeds.
- ethers such as tetrahydrofuran, ethylene glycol dimethyl ether, and 1,4-dioxane
- esters such as methyl acetate and ethyl acetate
- water Species or two or more (mixed solvent) can be appropriately selected.
- the reaction temperature is usually ⁇ 20 ° C. to 200 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of the formula (X-XVI) is produced by reacting (catalytic reduction reaction) a compound of the formula (IX-XVI) with hydrogen gas or hydrazine.
- hydrazine When hydrazine is used as a reducing agent, it can be used usually at a ratio of 1 to 25 equivalents per 1 equivalent of the compound of formula (IX-XVI).
- the reaction of the production method [S] can usually be performed in the presence of a metal catalyst and a solvent.
- the metal catalyst is not particularly limited as long as the reaction proceeds.
- palladium catalyst such as palladium black and palladium-supported carbon
- platinum catalyst such as platinum-supported carbon and platinum (IV) oxide hydrate
- a nickel catalyst such as Raney nickel
- a ruthenium catalyst such as ruthenium-supported carbon
- a rhodium catalyst such as rhodium-supported carbon
- an osmium catalyst such as osmium-supported carbon
- the metal catalyst can be used usually in a ratio of 0.0001 to 5 equivalents per 1 equivalent of the compound of the formula (IX-XVI).
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the reaction temperature is usually 20 to 100 ° C., preferably 40 to 80 ° C.
- the reaction time is usually 1 to 48 hours.
- the introduced amino group can be subjected to introduction of a protecting group and cleavage of the protecting group (deprotection reaction) as necessary.
- a protecting group suitable for protecting an amino group, a method for introducing the protecting group, and a method for cleaving the protecting group are well known to those skilled in the art (for example, Protective Groups In Organic Synthesis 4th. Edition, 2006, see John Wiley & Sons, Inc.).
- the amino-protecting group includes all groups that can be used as ordinary amino-protecting groups. Specifically, for example, Protective Group-in Organic-Synthesis The fourth edition, 2006, and the groups described in John Wiley & Sons, Inc. As a specific example of the protecting group, for example, a protecting group similar to the protecting group used in the production method [O] can be used.
- the compound of the formula (IX) as the starting material is converted into the compound of the formula (II) as the target material.
- a compound of formula (III), formula (IV) or formula (VIII) can be prepared.
- the compound of formula (VIII) can also be produced by reacting (reducing reaction) the compound of formula (V), formula (VI), formula (VII) or formula (II) with a reducing agent.
- the reducing agent is not particularly limited as long as the reaction proceeds, and examples thereof include the same reducing agents as those used in the second step of the production method [A].
- the reducing agent can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (V), formula (VI), formula (VII) or formula (II). .
- a compound of formula (VIII) is obtained by reacting (reducing) a compound of formula (V), formula (VI), formula (VII) or formula (II) with a metal or a metal salt. To manufacture.
- the metal is not particularly limited as long as the reaction proceeds, and examples thereof include the same metals as those used in the production method [R].
- the metal can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (V), formula (VI), formula (VII) or formula (II).
- the metal salt is not particularly limited as long as the reaction proceeds, and examples thereof include tin chloride.
- the metal salt can be used in a proportion of 1 to 20 equivalents, preferably 1 to 5 equivalents, relative to 1 equivalent of the compound of formula (V), formula (VI), formula (VII) or formula (II). .
- the reaction of the production method [T] can usually be performed in the presence of an acid, and can be performed in the presence of a solvent, if necessary.
- the acid is not particularly limited as long as the reaction proceeds, and examples thereof include the same acids as those used in the hydrolysis reaction of the production method [Q].
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the production method [R] can be used.
- the reaction temperature is usually ⁇ 20 to 200 ° C.
- the reaction time is usually 1 to 48 hours.
- a compound of formula (VIII) is obtained by reacting a compound of formula (V), formula (VI), formula (VII) or formula (II) with hydrogen gas or hydrazine (catalytic reduction reaction). Manufacturing.
- the pressure of the hydrogen gas may be appropriately selected in the range of usually 0.1 (normal pressure) to 1 MPa, preferably 0.1 to 0.5 MPa.
- hydrazine When hydrazine is used as the reducing agent, it is usually used in a ratio of 1 to 25 equivalents per 1 equivalent of the compound of formula (V), formula (VI), formula (VII) or formula (II). it can.
- the reaction of the production method [U] can usually be performed in the presence of a metal catalyst and a solvent.
- the metal catalyst is not particularly limited as long as the reaction proceeds, and for example, a metal catalyst similar to the metal catalyst used in the production method [S] can be mentioned.
- the metal catalyst can be used usually in a ratio of 0.0001 to 5 equivalents per 1 equivalent of the compound of the formula (V), formula (VI), formula (VII) or formula (I-I).
- the solvent is not particularly limited as long as the reaction proceeds.
- a solvent similar to the solvent used in the first step of the production method [A] can be used.
- the reaction temperature is usually 20 to 100 ° C.
- the reaction time is usually 1 to 48 hours.
- Diaminonaphthalene is fluorinated to produce difluoronaphthalene.
- Diaminonaphthalene is aminated to produce diamino-difluoronaphthalene or its hydrochloride.
- Diamino-difluoronaphthalene or its hydrochloride is nitrated to produce diamino-difluoro-dinitronaphthalene or its hydrochloride.
- Diamino-difluoro-dinitronaphthalene or its hydrochloride is reduced to produce tetraamino-difluoronaphthalene or its hydrochloride.
- Tetraamino-difluoronaphthalene or a hydrochloride thereof and a sulfurizing agent, a selenizing agent or a tellurizing agent are reacted to form a naphthobischalcogenadiazole derivative (X 1 and X 2 ) represented by the formula (I) Is a hydrogen atom).
- the naphthobischalcogenadiazole derivative (A 1 and A 2 are oxygen atoms) represented by the formula (I) by specifically performing the following steps.
- the diamino-difluoro-dinitronaphthalene or its hydrochloride obtained in the step (3) is oxidized and then reduced to obtain a naphthobischalcogenadiazole derivative (X 1 and X 1 ) represented by the formula (I) 2 is a hydrogen atom, and A 1 and A 2 are oxygen atoms).
- room temperature refers to 25 ⁇ 15 ° C.
- the nuclear magnetic resonance (NMR) spectrum is a product name “JMM-ECS400” manufactured by JEOL (JEOL Ltd.), a product name “JNM-ECA600” manufactured by JEOL (JEOL Ltd.), and JEOL (JEOL Ltd.).
- the measurement was performed using the product name “ECX (500 MHz)” manufactured by Bruker BioSpin Corporation or the product name “AVANCE III 700” manufactured by Bruker BioSpin Corporation. Chemical shifts are expressed in parts per million (ppm). Tetramethylsilane (TMS) was used as an internal standard (0 ppm).
- the coupling constant (J) is expressed in hertz, and the abbreviations s, d, t, q, m and br are singlet, doublet, triplet, quadruple respectively. (Quartet), multiple line (multiplet), and wide line (broad).
- Mass spectrometry was measured by a direct sample introduction (DI) method using a trade name “GCMS-QP5050A” manufactured by Shimadzu Corporation.
- reaction mixture was separated and purified by silica gel column chromatography using hexane as a moving bed to obtain 1,5-difluoronaphthalene as a white solid (3.048 g, yield 39%).
- the reaction formula is shown below.
- reaction mixture was separated and purified by silica gel column chromatography using hexane: ethyl acetate (1: 1) solvent as a moving bed.
- the reaction product and THF (115 mL) obtained in a 300 mL eggplant-shaped flask were added, 2N hydrochloric acid (23.5 mL) was added at 0 ° C., and the mixture was stirred at 0 ° C. for 1 hour.
- the precipitate was collected by filtration and washed with tetrahydrofuran.
- n any number from 0 to 4.
- reaction mixture was added to ice water, extracted with ethyl acetate, and the organic layer was washed with water. The organic layer was dried over anhydrous sodium sulfate, filtered and the solvent was distilled off under reduced pressure. Diethyl ether was added to the precipitated solid, which was collected by filtration and washed with diethyl ether. Thereafter, drying under reduced pressure gave N, N ′-(4,8-difluoro-2,6-dinitronaphthalene-1,5-diyl) bis (2,2,2-trifluoroacetamide) as a light brown solid. (313 mg, 51% yield). The reaction formula is shown below.
- n any number from 0 to 4.
- Example 4 Synthesis of 4,9-dibromo-5,10-difluoronaphtho [1,2-c: 5,6-c ′] bis [1,2,5] thiadiazole obtained in Example 1 in a 20 mL eggplant type flask 5,10-difluoronaphtho [1,2-c: 5,6-c ′] bis [1,2,5] thiadiazole (30 mg), concentrated sulfuric acid (3.2 g), and N-bromosuccinimide (77 mg). After stirring at 60 ° C. for 2 hours, N-bromosuccinimide (77 mg) was further added and stirred at 60 ° C. for 2 hours. Thereafter, the reaction solution was quenched with ice water and extracted with chloroform.
- the extract was washed with a saturated aqueous sodium hydrogen carbonate solution, and then the extract was concentrated under reduced pressure. Methyl alcohol was added to the obtained solid and collected by filtration, and then the collected solid was washed with methyl alcohol. The washed solid was dried to obtain a yellow solid object (24 mg, 51%).
- the reaction formula is shown below.
- Example 5 Synthesis of 4,9-dibromo-5,10-difluoronaphtho [1,2-c: 5,6-c ′] bis [1,2,5] thiadiazole 5,10-difluoronaphtho obtained in Example 1 [1,2-c: 5,6-c ′] bis [1,2,5] thiadiazole (90 mg, 0.32 mmol), trifluoroacetic acid (20 mL), and N-bromosuccinimide (77 mg) in a reaction vessel. And stirred at 70 ° C. for 20 hours. Thereafter, water was added to the reaction solution, and the precipitated yellow solid was filtered, washed with methanol and dried to obtain the desired product (100 mg, 72%).
- a naphthobischalcogenadiazole derivative having a fluorine atom introduced which is useful as an intermediate of an organic semiconductor material having excellent electron accepting properties.
- a naphthobischalcogenadiazole derivative is a versatile intermediate for the production of naphthobischalcogenadiazole compounds into which fluorine atoms, which are powerful electron-attracting substituents that improve electron acceptability, are introduced. It can be used as a body.
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Abstract
Description
で表されるナフトビスカルコゲナジアゾール誘導体に関する。
製法[A]は、下記式(II)、式(III)又は式(IV)の化合物から、式(I-I)又は式(I-II)のナフトビスオキサジアゾール誘導体を製造する方法であり、下記第1工程、第2工程及び第3工程からなる。
製法[B]は、式(VIII)の化合物又はその塩から、式(I-III)又は式(I-IV)のナフトビスカルコゲナジアゾール誘導体を製造する方法であり、下記第1工程及び第2工程からなる。
製法[C]は、式(IX)の化合物から、式(II)、式(III)、式(IV)又は式(VIII)の化合物を製造する方法であり、下記工程からなる。
即ち、式(IX)の化合物から、式(II)、式(III)、式(IV)又は式(VIII)の化合物を製造する工程は、ニトロ化、ハロゲン化、ハロゲン置換、ホウ素化、ヒドロキシル化、アミノ化、保護又は脱保護のうちの少なくとも1つの工程を含むが、特に限定されず、出発物質である式(IX)の化合物の構造に応じて、これら工程のうちから必要な工程を適宜選択して組み合わせて行うことによって構成される。必要な工程の選択および組み合わせ(選択した工程を行う順序)は、当業者であれば、出発物質である式(IX)の化合物の構造と、目的物質である式(II)、式(III)、式(IV)又は式(VIII)の化合物の構造とから、容易に理解することができる。
製法[D]
製法[D]では、式(IX-I)の化合物とニトロ化剤とを反応(ニトロ化反応)させることにより、式(X-I)の化合物を製造する。
従って、例えば、式(IX-I)中のY及びZが水素原子である場合には、式(IX-I)中の置換基の部分は「-(U)(V)(W)(X)(H)2」で表され、また、U,V,W及びXが水素原子である場合には、置換基の部分は「-(Y)(Z)(H)4」で表される。但し、ナフタレン環における上記U,V,W,X,Y,Zの置換位置は特定されないので、具体的には、式(IX-I)中のY及びZが水素原子である構造とは、元々結合している2つの水素原子を除いた、ナフタレン環に結合する6つの置換基のうち、2つが水素原子であり、4つが水素原子以外の置換基であることを表す。また、U,V,W及びXが水素原子である構造とは、元々結合している2つの水素原子を除いた、ナフタレン環に結合する6つの置換基のうち、4つが水素原子であり、2つが水素原子以外の置換基であることを表す。さらに、例えば、式(X-I)中のY及びZがニトロ基である構造とは、元々結合している2つの水素原子を除いた、ナフタレン環に結合する6つの置換基のうち、2つがニトロ基であり、4つがニトロ基以外の置換基(n’<nである場合はニトロ化されなかった水素原子も含まれる)であることを表す。
製法[E]では、式(IX-II)の化合物と酸化剤とを反応(酸化反応)させることにより、式(X-II)の化合物を製造する。
酸化剤としては、当該反応が進行する酸化剤であれば特に限定はなく、例えば、酸素ガス、オゾンガス、過酸化水素、m-クロロ過安息香酸、tert-ブチルヒドロペルオキシド、過ホウ酸ナトリウム、ジメチルジオキシラン等が挙げられる。酸化剤は、式(IX-II)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[F]
製法[F]では、式(IX-III)の化合物とハロゲン化剤とを反応(ハロゲン化反応)させることにより、式(X-III)の化合物を製造する。
ハロゲン化剤としては、当該反応が進行するハロゲン化剤であれば特に限定はなく、例えば製法[A]の第3工程で用いるハロゲン化剤と同様のハロゲン化剤が挙げられる。ハロゲン化剤は、式(IX-III)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[G]では、式(IX-IV)の化合物と無機亜硝酸塩又は亜硝酸エステルとを反応(ジアゾ化反応)させてジアゾニウム化合物とした後、当該ジアゾニウム化合物とハロゲン化剤と反応(ハロゲン化反応)させることにより、式(X-IV)の化合物を製造する。
無機亜硝酸塩としては、当該反応が進行する無機亜硝酸塩であれば特に限定はなく、例えば、亜硝酸ナトリウム、亜硝酸カリウム等が挙げられる。亜硝酸エステルとしては、当該反応が進行する亜硝酸エステルであれば特に限定はなく、例えば、亜硝酸tert-ブチル、亜硝酸イソアミル等が挙げられる。無機亜硝酸塩又は亜硝酸エステルは、式(IX-IV)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[H]では、式(IX-V)の化合物とハロゲン置換剤とを反応(ハロゲン置換反応)させることにより、式(X-V)の化合物を製造する。
ハロゲン置換剤としては、例えば、フッ化セシウム等が挙げられる。ハロゲン置換剤は、式(IX-V)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[I]では、式(IX-VI)の化合物とハロゲン化剤とを反応(ハロゲン化反応)させることにより、式(X-VI)の化合物を製造する。
ハロゲン化剤としては、当該反応が進行するハロゲン化剤であれば特に限定はなく、例えば、フッ化セシウム等が挙げられる。また、市販のハロゲン化剤(SIGMA-ALDRICH社製;商品名:PhenoFluor)を用いることもできる。ハロゲン化剤は、式(IX-VI)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[J]では、式(IX-VII)の化合物とハロゲン化剤とを反応(ハロゲン化反応)させることにより、式(X-VII)の化合物を製造する。
ハロゲン化剤としては、当該反応が進行するハロゲン化剤であれば特に限定はなく、例えば、フッ化セシウム等が挙げられる。ハロゲン化剤は、式(IX-VII)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[K]では、式(IX-VIII)の化合物とハロゲン化剤とを反応(ハロゲン化反応)させることにより、式(X-VIII)の化合物を製造する。
上記B(ORa)(ORb)基の具体例としては、ボロン酸基、ボロン酸ジメチルエステル基、ボロン酸ジエチルエステル基、ボロン酸ジプロピルエステル基、ボロン酸ジイソプロピルエステル基、ボロン酸ジブチルエステル基、ボロン酸ジヘキシルエステル基、ボロン酸ピナコールエステル基、ボロン酸ネオペンチルグリコールエステル基、ボロン酸ヘキシレングリコールエステル基、ボロン酸カテコールエステル基、ボロン酸エチレングリコールエステル基、ボロン酸プロピレングリコールエステル基、ボロン酸1,3-プロパンジオールエステル基、ボロン酸1,3-ブタンジオールエステル基等が挙げられる。
製法[L]
製法[L]では、式(IX-IX)の化合物と有機リチウムとを反応(リチオ化反応)させてアリールリチウム化合物とした後、当該アリールリチウム化合物とホウ素化剤と反応(ホウ素化反応)させることにより、式(X-IX)の化合物を製造する。
上記B(ORa)(ORb)基の具体例としては、製法[K]で例示した置換基が挙げられる。
製法[M]では、式(IX-X)の化合物とホウ素化剤とを反応(ホウ素化反応)させることにより、式(X-X)の化合物を製造する。
上記B(ORa)(ORb)基の具体例としては、製法[K]で例示した置換基が挙げられる。
製法[N]では、式(IX-XI)の化合物とホウ素化剤とを反応(ホウ素化反応)させることにより、式(X-XI)の化合物を製造する。
上記B(ORa)(ORb)基の具体例としては、製法[K]で例示した置換基が挙げられる。
製法[O]
製法[O]では、式(IX-XII)の化合物とヒドロキシル化剤とを反応(ヒドロキシル化反応)させることにより、式(X-XII)の化合物を製造する。
ヒドロキシル化剤は、当該反応が進行するヒドロキシル化剤であれば特に限定はなく、例えば、水酸化リチウム、水酸化ナトリウム、水酸化カリウム、水酸化セシウム等の金属水酸化物;水酸化テトラブチルアンモニウム、水酸化テトラブチルアンモニウムブロミド、水酸化テトラブチルアンモニウムヨージド;等が挙げられる。ヒドロキシル化剤は、式(IX-XII)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[P]
製法[P]では、式(IX-XIII)の化合物とアミノ化剤とを反応(アミノ化反応)させることにより、式(X-XIII)の化合物を製造する。
アミノ化剤としては、当該反応が進行するアミノ化剤であれば特に限定はなく、例えば、アンモニア、アンモニア水、水酸化アンモニウム、水酸化テトラブチルアンモニウム等が挙げられる。アミノ化剤は、式(IX-XIII)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[Q]では、式(IX-XIV)の化合物とイミノ化剤とを反応(イミノ化反応)させてイミンとした後、当該イミンを加水分解反応させることにより、式(X-XIV)の化合物を製造する。
イミノ化剤としては、当該反応が進行するイミノ化剤であれば特に限定はなく、例えば、ベンゾフェノン等が挙げられる。イミノ化剤は、式(IX-XIV)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[R]では、式(IX-XV)の化合物と金属又は金属塩とを反応(還元反応)させることにより、式(X-XV)の化合物を製造する。
金属としては、当該反応が進行する金属であれば特に限定はなく、例えば、鉄、亜鉛、スズ等が挙げられる。金属は、式(IX-XV)の化合物1当量に対して、1~20当量、好ましくは1~5当量の割合で使用することができる。
製法[S]では、式(IX-XVI)の化合物と水素ガス又はヒドラジンとを反応(接触還元反応)させることにより、式(X-XVI)の化合物を製造する。
水素ガスを還元剤として用いる場合における当該水素ガスの圧力に特に制限はなく、必要に応じて加圧してもよい。水素ガスの圧力は、通常、0.1(常圧)~1MPa、好ましくは0.1~0.5MPaの範囲で適宜選択すればよい。
製法[T]では、式(V)、式(VI)、式(VII)又は式(I-I)の化合物と金属又は金属塩とを反応(還元反応)させることにより、式(VIII)の化合物を製造する。
製法[U]では、式(V)、式(VI)、式(VII)又は式(I-I)の化合物と水素ガス又はヒドラジンとを反応(接触還元反応)させることにより、式(VIII)の化合物を製造する。
前述の製法[A]~製法[U]を適宜選択して組み合わせて行うことにより、例えば式(IX)の化合物等の種々の出発物質(原料)から、最終の目的物質である式(I)で表されるナフトビスカルコゲナジアゾール誘導体を製造することができる。具体的には、製法[C]に包含される製法[D]~製法[S]を適宜選択して組み合わせて行うことにより、式(IX)の化合物等の種々の出発物質から、式(II)、式(III)、式(IV)又は式(VIII)の化合物を製造した後、製法[A],製法[B],製法[T],製法[U]を適宜選択して組み合わせて行うことにより、式(I)で表されるナフトビスカルコゲナジアゾール誘導体を製造することができる。
核磁気共鳴(NMR)スペクトルは、JEOL(日本電子株式会社)製の商品名「JMM-ECS400」、JEOL(日本電子株式会社)製の商品名「JNM-ECA600」、JEOL(日本電子株式会社)製の商品名「ECX(500MHz)」、又はブルカー・バイオスピン株式会社製の商品名「AVANCEIII700」を用いて測定した。ケミカルシフトは、百万分率(ppm)で表す。内部標準(0ppm)には、テトラメチルシラン(TMS)を用いた。結合定数(J)は、ヘルツで表され、略号s、d、t、q、m及びbrは、各々、一重線(singlet)、二重線(doublet)、三重線(triplet)、四重線(quartet)、多重線(multiplet)、及び広幅線(broad)を表す。
5,10-ジフルオロナフト[1,2-c:5,6-c’]ビス[1,2,5]チアジアゾールの合成
下記反応式に示すように、ニトロ化、ハロゲン化、ホウ素化、ヒドロキシル化又はアミノ化等の前述の製法を適宜選択して組み合わせて行うことにより、市販のナフタレンから式(IX)の化合物を製造した後、前述の製法[A]~製法[U]を適宜選択して組み合わせて行うことにより、式(IX)の化合物から式(VIII)で表される化合物である1,2,5,6-テトラアミノ-4,8-ジフルオロナフタレンを得た。
5,10-ジフルオロナフト[1,2-c:5,6-c’]ビス[1,2,5]チアジアゾールの合成
(1,5-ジフルオロナフタレンの合成)
500mLナス型フラスコに、1,5-ジアミノナフタレン(7.5g)、及び水(200mL)を入れ、0℃に冷却後濃硫酸(12.6mL)を入れた。その後、0℃で亜硝酸(8.21g)の水溶液(20mL)を滴下し、滴下終了後0℃で1時間撹拌した。その後、室温で1時間撹拌した。その後、0℃に冷却しHBF4(38mL)を滴下し、滴下終了後0℃で1時間撹拌した。析出物を濾取し、水及びメタノールで洗浄し、減圧下で乾燥して固体を得た。500mLナス型フラスコに、得られた固体(17.6g)、及びクロロベンゼン150mLを入れ、3時間加熱還流した。その後、0℃に冷却し反応液に水を加え、クロロホルムで抽出し、有機層を無水硫酸ナトリウムで乾燥、濾過後溶媒を減圧下で留去した。得られた反応混合物を、ヘキサンを移動層とするシリカゲルカラムクロマトグラフィーで分離精製し、1,5-ジフルオロナフタレンを白色固体で得た(3.048g,収率39%)。反応式を以下に示す。
1H-NMR(400MHz,CDCl3):δ=7.88(d,J=8.4Hz,1H),7.49-7.44(m,1H),7.21(dd,J=7.8Hz,11Hz,1H)。
200mLナス型フラスコに、1,5-ジフルオロナフタレン(3.048g)、及びトリフルオロ酢酸(25mL)を入れた後、N-ブロモスクシンイミド(7.939g)を加え70℃で16時間撹拌した。その後、0℃に冷却し反応液に水を加え、得られた析出物を濾取し、水及びメタノールで洗浄した。その後減圧下で乾燥し、1,5-ジブロモ-4,8-ジフルオロナフタレンを淡褐色固体で得た(5.321g,収率89%)。反応式を以下に示す。
1H-NMR(400MHz,CDCl3):δ=7.88(dd,J=4.2Hz,8.6Hz,2H),7.12(dd,J=8.6Hz,12.6Hz,2H)。
300mLナス型フラスコに、1,5-ジブロモ-4,8-ジフルオロナフタレン(5.00g)、トリス(ジベンジリデンアセトン)ジパラジウム(0)-クロロホルム付加体(802mg)、rac-2,2’-ビス(ジフェニルホスフィノ)1,1’-ビナフチル(483mg)、ナトリウムtert-ブトキシド(5.96g)、ベンゾフェノンイミン(802mg)、及びトルエン(80mL)を入れてフラスコ内を窒素置換し、110℃で16時間撹拌した。析出物をセライト濾過で取り除き、酢酸エチルで洗浄し、濾液を減圧下で留去した。得られた反応混合物を、ヘキサン:酢酸エチル(1:1)溶媒を移動層とするシリカゲルカラムクロマトグラフィーで分離精製した。300mLナス型フラスコに得られた反応生成物とTHF(115mL)を入れて、0℃で2規定の塩酸(23.5mL)を加えて、0℃で1時間撹拌した。析出物を濾取し、テトラヒドロフランで洗浄した。その後減圧下で乾燥し、1,5-ジアミノ-4,8-ジフルオロナフタレン塩酸塩を淡褐色固体で得た(2.00g,収率48%)。反応式を以下に示す。式中、nは0~4の任意の数字を示す。
300mLナス型フラスコに、1,5-ジアミノ-4,8-ジフルオロナフタレン塩酸塩(1.95g)、及びジクロロメタン(85mL)を入れ、0℃に冷却した。0℃でトリエチルアミン(2.95g)、無水トリフルオロ酢酸(7.67g)を加え、室温で終夜撹拌した。得られた反応混合物を減圧下で乾燥した。析出物にメタノールを加え濾取し、メタノールで洗浄した。その後減圧下で乾燥し、N,N’-(4,8-ジフルオロナフタレン-1,5-ジイル)ビス(2,2,2-トリフルオロアセトアミドを白色固体で得た(2.410g,収率86%)。反応式を以下に示す。
1H-NMR(400MHz,Acetone-d6):δ=10.43(br, 2H),7.84-7.79(m, 2H),7.50(dd,J=8.4Hz,13.6Hz,2H)。
50mLナス型フラスコに、N,N’-(4,8-ジフルオロナフタレン-1,5-ジイル)ビス(2,2,2-トリフルオロアセトアミド)(500mg)、及び濃硫酸(10mL)を入れ、-45℃に冷却した。その後、硝酸(2.5mL)を加え、-45℃で5分間撹拌した。氷水に得られた反応混合物を加え、酢酸エチルで抽出し、有機層を水で洗浄した。有機層を無水硫酸ナトリウムで乾燥し、濾過後溶媒を減圧下で留去した。析出した固体にジエチルエーテルを加え濾取し、ジエチルエーテルで洗浄した。その後減圧下で乾燥し、N,N’-(4,8-ジフルオロ-2,6-ジニトロナフタレン-1,5-ジイル)ビス(2,2,2-トリフルオロアセトアミド)を淡褐色固体で得た(313mg,収率51%)。反応式を以下に示す。
300mLナス型フラスコに、N,N’-(4,8-ジフルオロ-2,6-ジニトロナフタレン-1,5-ジイル)ビス(2,2,2-トリフルオロアセトアミド)(1.340g)、メタノール(110mL)、及び濃塩酸(55mL)を入れ、90℃で終夜撹拌した。反応混合物を減圧下で濃縮した。析出した固体を濾取し、濃塩酸とジクロロメタンで洗浄した。その後減圧下で乾燥し、1,5-ジアミノ-4,8-ジフルオロ-2,6-ジニトロナフタレン塩酸塩を暗褐色固体で得た(679mg,収率68%)。反応式を以下に示す。式中、nは0~4の任意の数字を示す。
300mLナス型フラスコに、1,5-ジアミノ-4,8-ジフルオロ-2,6-ジニトロナフタレン塩酸塩(797mg)、濃塩酸(80mL)、及び塩化スズ(II)(8.46g)を入れ、70℃で1時間撹拌した。析出した固体を濾取し、濃塩酸とジクロロメタンで洗浄した。その後、減圧下で乾燥し、1,2,5,6-テトラアミノ-4,8-ジフルオロナフタレン塩酸塩を褐色固体で得た(718mg,収率87%)。反応式を以下に示す。式中、m及びnは、それぞれ独立に、0~4の任意の数字を示す。
100mLナス型フラスコに、得られた1,2,5,6-テトラアミノ-4,8-ジフルオロナフタレン塩酸塩(174mg)、ピリジン(18mL)、及び塩化チオニル(1.12g)を入れ、90℃で2時間撹拌した。その後、反応液を減圧下で乾燥して固体を得た。得られた固体にメチルアルコールを加えて濾取した後、濾取した固体をメチルアルコールで洗浄した。洗浄後の固体を乾燥して、淡褐色で5,10-ジフルオロナフト[1,2-c:5,6-c’]ビス[1,2,5]チアジアゾール(130mg,99%)を得た。反応式を以下に示す。
5,10-ジフルオロナフト[1,2-c:5,6-c’]ビス[1,2,5]セレナジアゾールの合成
実施例1と同様にして、1,2,5,6-テトラアミノ-4,8-ジフルオロナフタレンを得た。
4,9-ジブロモ-5,10-ジフルオロナフト[1,2-c:5,6-c’]ビス[1,2,5]チアジアゾールの合成
20mLナス型フラスコに、実施例1で得られた5,10-ジフルオロナフト[1,2-c:5,6-c’]ビス[1,2,5]チアジアゾール(30mg)、濃硫酸(3.2g)、及びN-ブロモスクシンイミド(77mg)を入れ、60℃で2時間撹拌した後、さらにN-ブロモスクシンイミド(77mg)を入れ、60℃で2時間撹拌した。その後、反応液を氷水に空けてクエンチし、クロロホルムで抽出した。抽出液を飽和炭酸水素ナトリウム水溶液で洗浄した後、当該抽出液を減圧下で濃縮した。得られた固体にメチルアルコールを加えて濾取した後、濾取した固体をメチルアルコールで洗浄した。洗浄後の固体を乾燥して、黄色で固体の目的物(24mg,51%)を得た。反応式を以下に示す。
4,9-ジブロモ-5,10-ジフルオロナフト[1,2-c:5,6-c’]ビス[1,2,5]チアジアゾールの合成
実施例1で得られた5,10-ジフルオロナフト[1,2-c:5,6-c’]ビス[1,2,5]チアジアゾール(90mg,0.32mmol)、トリフルオロ酢酸(20mL)、及びN-ブロモスクシンイミド(77mg)を反応容器に入れ、70℃で20時間撹拌した。その後、反応溶液に水を加え、析出してきた黄色固体を濾過し、メタノールで洗浄し乾燥して目的物を得た(100mg,72%)。
19F-NMR(470MHz,CDCl3):δ=-99.9(s)。融点(m.p.)=270~272℃。
Claims (15)
- A1及びA2が、各々独立に、酸素原子、硫黄原子又はセレン原子である請求項1に記載のナフトビスカルコゲナジアゾール誘導体。
- A1及びA2が、共に、硫黄原子又はセレン原子である請求項1に記載のナフトビスカルコゲナジアゾール誘導体。
- X1及びX2が、共に、ハロゲン原子である請求項1~3の何れか一項に記載のナフトビスカルコゲナジアゾール誘導体。
- ハロゲン原子が、フッ素原子、塩素原子、臭素原子又はヨウ素原子である請求項4に記載のナフトビスカルコゲナジアゾール誘導体。
- X1及びX2が、共に、ボロン酸エステル基である請求項1~3の何れか一項に記載のナフトビスカルコゲナジアゾール誘導体。
- ボロン酸エステル基が、ボロン酸ジアルキルエステル基又はボロン酸環状エステル基である請求項6に記載のナフトビスカルコゲナジアゾール誘導体。
- テトラアミノ-ジフルオロナフタレン又はその塩酸塩と、硫黄化剤、セレン化剤又はテルル化剤とを反応させる工程を含む、請求項1に記載のナフトビスカルコゲナジアゾール誘導体の製造方法。
- ジアミノ-ジフルオロ-ジニトロナフタレン又はその塩酸塩を酸化し、次いで還元する工程を含む、請求項1に記載のナフトビスカルコゲナジアゾール誘導体の製造方法。
- テトラアミノ-ジフルオロナフタレン又はその塩酸塩と硫黄化剤、セレン化剤又はテルル化剤とを反応させる工程と、次いで、得られたナフトビスカルコゲナジアゾール誘導体とハロゲン化剤又はホウ素化剤とを反応させる工程と、を含む、請求項1に記載のナフトビスカルコゲナジアゾール誘導体の製造方法。
- ジアミノ-ジフルオロ-ジニトロナフタレン又はその塩酸塩を酸化し、次いで還元する工程と、得られたナフトビスカルコゲナジアゾール誘導体とハロゲン化剤又はホウ素化剤とを反応させる工程と、を含む、請求項1に記載のナフトビスカルコゲナジアゾール誘導体の製造方法。
- ジアミノ-ジフルオロ-ジニトロナフタレン又はその塩酸塩を還元して、テトラアミノ-ジフルオロナフタレン又はその塩酸塩を製造する工程を含む、請求項8又は10に記載のナフトビスカルコゲナジアゾール誘導体の製造方法。
- ジアミノ-ジフルオロナフタレン又はその塩酸塩をニトロ化反応させて、ジアミノ-ジフルオロ-ジニトロナフタレン又はその塩酸塩を製造する工程を含む、請求項9、11又は12に記載のナフトビスカルコゲナジアゾール誘導体の製造方法。
- ジフルオロナフタレンをアミノ化反応させて、ジアミノ-ジフルオロナフタレン又はその塩酸塩を製造する工程を含む、請求項13に記載のナフトビスカルコゲナジアゾール誘導体の製造方法。
- ジアミノナフタレンをフッ素化反応させて、ジフルオロナフタレンを製造する工程を含む、請求項14に記載のナフトビスカルコゲナジアゾール誘導体の製造方法。
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| WO2024177136A1 (ja) * | 2023-02-24 | 2024-08-29 | 国立大学法人大阪大学 | 化合物、有機半導体材料、有機半導体素子、及び有機太陽電池 |
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| WO2021233884A1 (en) * | 2020-05-22 | 2021-11-25 | Boehringer Ingelheim International Gmbh | Continuous process for manufacturing alkyl 7-amino-5-methyl-[1,2,5]oxadiazolo[3,4-b]pyridine-carboxylate |
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| CN112930351B (zh) * | 2018-10-30 | 2024-04-26 | 国立大学法人大阪大学 | 化合物及其制造方法以及使用了该化合物的有机半导体材料 |
| KR102730758B1 (ko) | 2018-10-30 | 2024-11-14 | 고꾸리쯔 다이가꾸 호우징 오사까 다이가꾸 | 화합물 및 그 제조 방법, 및 그 화합물을 이용한 유기 반도체 재료 |
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| WO2024177136A1 (ja) * | 2023-02-24 | 2024-08-29 | 国立大学法人大阪大学 | 化合物、有機半導体材料、有機半導体素子、及び有機太陽電池 |
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| KR102468876B1 (ko) | 2022-11-17 |
| JPWO2018123207A1 (ja) | 2019-10-31 |
| US10793584B2 (en) | 2020-10-06 |
| TW201825498A (zh) | 2018-07-16 |
| TWI745452B (zh) | 2021-11-11 |
| EP3564245A4 (en) | 2020-06-17 |
| JP6968373B2 (ja) | 2021-11-17 |
| US20190337966A1 (en) | 2019-11-07 |
| CN110139867A (zh) | 2019-08-16 |
| EP3564245A1 (en) | 2019-11-06 |
| KR20190097124A (ko) | 2019-08-20 |
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