WO2018025970A1 - アミデート化合物、ポリウレタン製造用触媒及びポリウレタン樹脂の製造方法 - Google Patents
アミデート化合物、ポリウレタン製造用触媒及びポリウレタン樹脂の製造方法 Download PDFInfo
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- WO2018025970A1 WO2018025970A1 PCT/JP2017/028314 JP2017028314W WO2018025970A1 WO 2018025970 A1 WO2018025970 A1 WO 2018025970A1 JP 2017028314 W JP2017028314 W JP 2017028314W WO 2018025970 A1 WO2018025970 A1 WO 2018025970A1
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- 0 CC(C)(C*(C=C1)C(C(O)=C)=*1N=*C)N Chemical compound CC(C)(C*(C=C1)C(C(O)=C)=*1N=*C)N 0.000 description 3
- BLZYHGGIQIGULI-UHFFFAOYSA-N CC(C)(C)OC(NCc1ccc(C=C)cc1)=O Chemical compound CC(C)(C)OC(NCc1ccc(C=C)cc1)=O BLZYHGGIQIGULI-UHFFFAOYSA-N 0.000 description 1
- SACZWYIYPTWJNL-UHFFFAOYSA-N CC(C)(C)OC(Nc1cccc(S(c2cccc(NC(OC(C)(C)C)=O)c2)(=O)=O)c1)=O Chemical compound CC(C)(C)OC(Nc1cccc(S(c2cccc(NC(OC(C)(C)C)=O)c2)(=O)=O)c1)=O SACZWYIYPTWJNL-UHFFFAOYSA-N 0.000 description 1
- KDSDGJSVDVLHAG-UHFFFAOYSA-N C[n]1c(/C(/[O-])=N/Cc2ccccc2)[n+](C)cc1 Chemical compound C[n]1c(/C(/[O-])=N/Cc2ccccc2)[n+](C)cc1 KDSDGJSVDVLHAG-UHFFFAOYSA-N 0.000 description 1
- DMUICNVXIKTLLA-UHFFFAOYSA-N C[n]1c(/C(/[O-])=N/c2ccc(Cc(cc3)ccc3/N=C(/c3[n+](C)cc[n]3C)\[O-])cc2)[n+](C)cc1 Chemical compound C[n]1c(/C(/[O-])=N/c2ccc(Cc(cc3)ccc3/N=C(/c3[n+](C)cc[n]3C)\[O-])cc2)[n+](C)cc1 DMUICNVXIKTLLA-UHFFFAOYSA-N 0.000 description 1
- ZHHRCXDYWBPEDA-UHFFFAOYSA-N O=C(Nc(cc1)ccc1Cl)Oc1ccccc1 Chemical compound O=C(Nc(cc1)ccc1Cl)Oc1ccccc1 ZHHRCXDYWBPEDA-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/20—Heterocyclic amines; Salts thereof
- C08G18/2081—Heterocyclic amines; Salts thereof containing at least two non-condensed heterocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/90—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1858—Catalysts containing secondary or tertiary amines or salts thereof having carbon-to-nitrogen double bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/20—Heterocyclic amines; Salts thereof
- C08G18/2009—Heterocyclic amines; Salts thereof containing one heterocyclic ring
- C08G18/2027—Heterocyclic amines; Salts thereof containing one heterocyclic ring having two nitrogen atoms in the ring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
Definitions
- the present invention relates to an amidate compound, a catalyst for producing polyurethane, and a method for producing a polyurethane resin.
- the polyurethane resin is produced by reacting a polyol and an organic polyisocyanate in the presence of a catalyst and, if necessary, additives such as a foaming agent, a surfactant, and a crosslinking agent.
- a catalyst such as aluminum, copper, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium, magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium magnesium
- An organic tin catalyst such as dibutyltin dilaurate or tin octoate is used as a catalyst used for producing a polyurethane resin (Non-patent Document 1).
- organotin catalysts are highly toxic and are harmful to the environment and human body.
- Non-patent Document 2 a method in which N-heterocyclic carbene is used as a catalyst in the polymerization reaction of aliphatic diisocyanate and aliphatic diol has been reported (Non-patent Document 2).
- the carbene is generally an unstable compound with respect to oxygen and water and needs to be handled in a special facility such as a glove box, so that it is not satisfactory in practical use.
- Non-patent Document 3 a method using a CO 2 adduct of N-heterocyclic carbene as a thermal latent catalyst for producing polyurethane is known (Non-patent Document 3).
- the CO 2 adduct of N-heterocyclic carbene is decomposed by heat.
- CO 2 gas is generated as a decomposition product thereof, so that there is a problem that voids are generated particularly when used for paints.
- the CO 2 adduct of N-heterocyclic carbene was rapidly hydrolyzed at 80 ° C. in the presence of water (see evaluation examples described later). From these facts, there are still problems to be solved when the CO 2 adduct of N-heterocyclic carbene is used as a thermal latent catalyst for polyurethane production.
- the CO 2 adduct of N-heterocyclic carbene described in Non-Patent Document 3 has a bulky substituent such as 2,4,6-trimethylphenyl group on each of two nitrogen atoms of N-heterocyclic carbene. Have. Such a compound has a complicated manufacturing method and is industrially disadvantageous.
- the present invention has been made in view of the above-mentioned background art, and it is an object of the present invention to provide a polyurethane production catalyst that is easy to handle and produce without generating CO 2 gas when used as a polyurethane production catalyst.
- the compound represented by the formula (1) was used as a catalyst for polyurethane production. It has been found that it has a thermal potential having reactivity, is stable even in the presence of water at 80 ° C., and is easy to handle, and has completed the present invention.
- the present invention includes the following [1] to [19].
- A represents a substituted or unsubstituted hydrocarbon group.
- N is an integer of 1 or more.
- D is a formula (2):
- R 1 , R 2 and R 3 are the same or different and each represents a hydrocarbon group which may contain a hetero atom. Moreover, R 1 , R 2 and R 3 may be partially or entirely They may be bonded to each other to form a ring structure, X represents a nitrogen atom, oxygen atom or sulfur atom, a represents 0 or 1.
- A is an unsubstituted hydrocarbon group or at least one selected from a fluorine atom, an alkylamino group, a dialkylamino group, an alkoxy group, an aryloxy group, a nitro group, a cyano group, a sulfonyl group, or an isocyanate group
- the amidate compound according to [1] which is a hydrocarbon group having the following substituent:
- the amidate compound represented by the formula (1) is an amidate compound represented by any one of the following formulas (1-1), (1-2), and (1-3) [1] The amidate compound described in 1.
- R 4 represents a substituted or unsubstituted hydrocarbon group.
- D is the same as above.
- R 5 represents a substituted or unsubstituted hydrocarbon group.
- D is the same as above.
- the nitrogen-containing organic group represented by the formula (2) is a nitrogen-containing organic group represented by any of the following formulas (2-1), (2-2), or (2-3) The amidate compound according to any one of [1] to [4].
- R 1 , X and a are the same as defined above, R 10 , R 11 , R 12 and R 13 are the same or different and each having 1 to 6 carbon atoms which may contain a hydrogen atom or a hetero atom) Indicates a hydrocarbon group.
- amidate compound according to [1], wherein the amidate compound is any one of the following.
- A represents a substituted or unsubstituted hydrocarbon group.
- N is an integer of 1 or more.
- D is a formula (2):
- R 1 , R 2 , and R 3 are the same or different and each represents a hydrocarbon group that may contain a hetero atom.
- R 1 , R 2, and R 3 may be part or all.
- X represents a nitrogen atom, an oxygen atom or a sulfur atom, a represents 0 or 1.
- X represents a nitrogen atom, a represents 1; And when X represents an oxygen atom or a sulfur atom, a represents 0.
- the catalyst for polyurethane production containing the amidate compound represented by these.
- A is selected from an unsubstituted hydrocarbon group, or a halogen atom, alkylamino group, dialkylamino group, alkoxy group, aryloxy group, halogenated alkyl group, nitro group, cyano group, sulfonyl group or isocyanate group
- the amidate compound represented by the formula (1) is an amidate compound represented by any one of the following formulas (1-1), (1-2), and (1-3) [8] The catalyst for polyurethane production as described in 1.
- R 4 represents a substituted or unsubstituted hydrocarbon group.
- D is the same as above.
- R 5 represents a substituted or unsubstituted hydrocarbon group.
- D is the same as above.
- the nitrogen-containing organic group represented by the formula (2) is a nitrogen-containing organic group represented by any of the following formulas (2-1), (2-2), or (2-3)
- R 1 , X and a are the same as defined above; R 10 , R 11 , R 12 and R 13 are the same or different and each may contain a hydrogen atom or a heteroatom having 1 to 6 carbon atoms. Represents a hydrocarbon group.
- Step 1 A step of producing a carboxylate compound represented by the following formula (4) by reacting a nitrogen-containing organic compound represented by the following formula (3) with dimethyl carbonate.
- Process 2 The process with which the carboxylate compound represented by the said Formula (4) and the isocyanate compound represented by following formula (5) are made to react.
- aromatic hydrocarbon solvent or halogenated aromatic hydrocarbon solvent is selected from the group consisting of toluene, xylene, and chlorobenzene.
- a catalyst for polyurethane production When used as a catalyst for polyurethane production, a catalyst for polyurethane production that does not generate CO 2 gas and is easy to handle and manufacture can be provided.
- A is a substituted or unsubstituted hydrocarbon group, preferably a substituted or unsubstituted hydrocarbon group having 1 to 100 carbon atoms, more preferably a substituted or unsubstituted hydrocarbon group having 1 to 50 carbon atoms.
- a hydrocarbon group particularly preferably a substituted or unsubstituted hydrocarbon group having 1 to 30 carbon atoms.
- examples of the substituent include a halogen atom such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, an alkylamino group such as a methylamino group, a dialkylamino group such as a dimethylamino group, methoxy Group, alkoxy groups such as ethoxy group, aryloxy groups such as benzyloxy group, halogenated alkyl groups such as trifluoromethyl group, nitro group, cyano group, sulfonyl group, isocyanate group and the like.
- a halogen atom such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom
- an alkylamino group such as a methylamino group
- a dialkylamino group such as a dimethylamino group
- methoxy Group alkoxy groups such as ethoxy group
- the hydrocarbon group of A may be substituted with a hetero atom such as an oxygen atom, a nitrogen atom, or a sulfur atom.
- a hetero atom such as an oxygen atom, a nitrogen atom, or a sulfur atom
- the hydrocarbon group has, for example, a group such as —O—, —NH—, and —S—.
- the hydrocarbon chain is interrupted by these groups.
- alkyl moiety of the alkylamino group, dialkylamino group, alkoxy group and halogenated alkyl group examples include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl and the like. Examples thereof include a linear or branched alkyl group having 1 to 6 carbon atoms.
- the alkyl group preferably has 1 to 3 carbon atoms, more preferably 1 or 2 carbon atoms.
- aryl group examples include aryl groups having 6 to 10 carbon atoms. Specific examples include a phenyl group and a naphthyl group.
- the number of substituents can be 1 to 5, preferably 1 to 3, more preferably 1 or 2.
- the substituent when A has a substituent, does not contain a chlorine atom.
- the substituent is at least one selected from a fluorine atom, an alkylamino group, a dialkylamino group, an alkoxy group, an aryloxy group, a nitro group, a cyano group, a sulfonyl group, or an isocyanate group. .
- N is an integer of 1 or more, preferably 1 to 6, more preferably 1 to 4, and particularly preferably 1 or 2.
- D is a nitrogen-containing organic group represented by the formula (2).
- amidate compound (1) is represented by any one of formulas (1-1), (1-2), and (1-3).
- the amidate compounds represented by the formula (1-1) or (1-2) are particularly preferred.
- R 4 is a substituted or unsubstituted hydrocarbon group, preferably a substituted or unsubstituted hydrocarbon group having 1 to 50 carbon atoms, more preferably a substituted or unsubstituted carbon number 1 A hydrocarbon group having 1 to 30 carbon atoms, more preferably a substituted or unsubstituted hydrocarbon group having 1 to 14 carbon atoms, and particularly preferably a substituted or unsubstituted hydrocarbon group having 1 to 12 carbon atoms.
- methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, s-butyl group, t-butyl group, n-pentyl group, n-hexyl group, n-heptyl group examples include n-decyl group, n-dodecyl group, n-octadecyl group, cyclopropyl group, cyclopentyl group, cyclohexyl group, phenyl group, naphthyl group, benzyl group, phenethyl group, tolyl group, allyl group, etc., preferably benzyl Group, a phenyl group.
- R 4 has a substituent
- substituents include a halogen atom such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, an alkylamino group such as a methylamino group, a dialkylamino group such as a dimethylamino group, Examples thereof include alkoxy groups such as methoxy group and ethoxy group, aryloxy groups such as benzyloxy group, halogenated alkyl groups such as trifluoromethyl group, nitro group, cyano group, and isocyanate group.
- the hydrocarbon group of R 4 may be substituted with a hetero atom such as an oxygen atom, a nitrogen atom, or a sulfur atom.
- a hetero atom such as an oxygen atom, a nitrogen atom, or a sulfur atom
- the hydrocarbon group has, for example, a group such as —O—, —NH—, —S—, and the like.
- the hydrogen chain is interrupted by these groups.
- alkyl moiety of the alkylamino group, dialkylamino group, alkoxy group and halogenated alkyl group examples include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl and the like. Examples thereof include a linear or branched alkyl group having 1 to 6 carbon atoms.
- the alkyl group preferably has 1 to 3 carbon atoms, more preferably 1 or 2 carbon atoms.
- aryl group examples include aryl groups having 6 to 10 carbon atoms. Specific examples include a phenyl group and a naphthyl group.
- the number of substituents can be 1 to 5, preferably 1 to 3, more preferably 1 or 2.
- R 5 is a substituted or unsubstituted hydrocarbon group, preferably a substituted or unsubstituted hydrocarbon group having 1 to 100 carbon atoms, more preferably a substituted or unsubstituted carbon number 1 And a hydrocarbon group having 1 to 30 carbon atoms, particularly preferably a substituted or unsubstituted hydrocarbon group having 1 to 30 carbon atoms.
- methylene group dimethylmethylene group, ethylene group, n-propylene group, n-butylene group, n-pentylene group, n-hexylene group, n-heptylene group, n-octylene group, n-nonylene group, alkylene groups such as n-decylene group, n-dodecylene group, n-octadecylene group, cyclohexylene group, phenylene group, 2-methylphenylene group, 2,6-dimethylphenylene group, 2,4-dimethylphenylene group, 2, Arylene groups such as 3-dimethylphenylene group and naphthylene group, phenylmethylene group, phenylethylene group, 1-phenylpropylene group, 2-phenylpropylene group, 1-phenylbutylene group, 2-phenylbutylene group, naphthylmethylene group, naphthyl Arylalky
- R 5 has a substituent
- substituents include a halogen atom such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, an alkylamino group such as a methylamino group, a dialkylamino group such as a dimethylamino group, Examples thereof include alkoxy groups such as methoxy group and ethoxy group, aryloxy groups such as benzyloxy group, halogenated alkyl groups such as trifluoromethyl group, nitro group, cyano group, and isocyanate group.
- the hydrocarbon group of R 5 may be substituted with a hetero atom such as an oxygen atom, a nitrogen atom, or a sulfur atom.
- a hetero atom such as an oxygen atom, a nitrogen atom, or a sulfur atom
- the hydrocarbon group has, for example, a group such as —O—, —NH—, —S—, and the like.
- the hydrogen chain is interrupted by these groups.
- alkyl moiety of the alkylamino group, dialkylamino group, alkoxy group and halogenated alkyl group examples include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl and the like. Examples thereof include a linear or branched alkyl group having 1 to 6 carbon atoms.
- the alkyl group preferably has 1 to 3 carbon atoms, more preferably 1 or 2 carbon atoms.
- aryl group examples include aryl groups having 6 to 10 carbon atoms. Specific examples include a phenyl group and a naphthyl group.
- the number of substituents can be 1 to 5, preferably 1 to 3, more preferably 1 or 2.
- m is an integer of 0 to 4.
- D is the same as above.
- R 1 , R 2 and R 3 are hydrocarbon groups which may contain a hetero atom.
- R 1 , R 2 and R 3 may be partly or all bonded to each other to form a ring structure.
- R 1 and R 2 , R 1 and R 3 , R 2 and R 3 , or R 1 , R 2, and R 3 are bonded to each other to form a ring structure. Also good.
- hydrocarbon group which may contain a hetero atom examples include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, s-butyl group, t-butyl group, n-pentyl group, n- Hexyl group, n-octyl group, n-decyl group, n-dodecyl group, allyl group, benzyl group, cyclohexyl group, adamantyl group, phenyl group, 2,6-diisopropylphenyl group, 2,4,6-trimethylphenyl group 2-methoxyethyl group, 2-ethoxyethyl group, 2- (dimethylamino) ethyl group and the like.
- X is a nitrogen atom, oxygen atom or sulfur atom, preferably a nitrogen atom.
- a 0 or 1.
- X represents a nitrogen atom
- a represents 1
- X represents an oxygen atom or a sulfur atom
- a represents 0. That is, the formula (2) is a nitrogen-containing organic group represented by any of the following formulas (2a), (2b), or (2c). In other words, when X is an oxygen atom or a sulfur atom, there is no R 1 .
- R 2 and R 3 of the nitrogen-containing organic group represented by the formula (2) are bonded to each other to form a ring structure.
- the nitrogen-containing organic group represented by the formula (2) forming a ring is preferably a nitrogen-containing organic group represented by any one of the formulas (2-1), (2-2) and (2-3) Particularly preferred is a nitrogen-containing organic group represented by the formula (2-1).
- R 1 , X and a are the same as described above.
- R 6 and R 7 are a hydrogen atom or a hydrocarbon group having 1 to 6 carbon atoms which may contain a hetero atom, preferably a hydrogen atom.
- Examples of the hydrocarbon group having 1 to 6 carbon atoms which may contain a hetero atom include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, s-butyl group, t-butyl group, and pentyl.
- Examples include 3-methylthiazolium group, 3,4-dimethylthiazolium group, 3,5-dimethylthiazolium group, 3,4,5-trimethylthiazolium group, and preferably 1,3 -Dimethylimidazolium group, 1-ethyl-3-methylimidazolium group, 1-methyl-3-propylimidazolium group, 1-butyl-3-methylimidazolium group, 1-methyl-3-octylimidazolium group Particularly preferred are 1,3-dimethylimidazolium group, 1-butyl-3-methylimidazolium group, and 1-methyl-3-octylimidazolium group.
- R 1 , X and a are the same as described above.
- R 8 and R 9 are each a hydrogen atom or a hydrocarbon group having 1 to 6 carbon atoms which may contain a hetero atom, preferably a hydrogen atom.
- hydrocarbon group having 1 to 6 carbon atoms which may contain a hetero atom examples include a methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, s-butyl group, t-butyl group, n -Pentyl group, n-hexyl group, cyclohexyl group, phenyl group, 2-methoxyethyl group, 2-ethoxyethyl group, 2- (dimethylamino) ethyl group and the like can be mentioned, and a methyl group is preferable.
- Examples include 3-methylthiazolinium group, 3,4-dimethylthiazolinium group, 3,5-dimethylthiazolinium group, 3,4,5-trimethylthiazolinium group, and preferably 1,3 -Dimethylimidazolinium group, 1-ethyl-3-methylimidazolinium group, 1-methyl-3-propylimidazolinium group, 1-butyl-3-methylimidazolinium group, 1-methyl-3-octyl
- An imidazolinium group particularly preferably a 1,3-dimethylimidazolinium group, a 1-butyl-3-methylimidazolinium group, and a 1-methyl-3-octylimidazolinium group.
- R 1 , X and a are the same as described above.
- R 10 , R 11 , R 12 and R 13 are each a hydrogen atom or a hydrocarbon group having 1 to 6 carbon atoms which may contain a hetero atom, preferably a hydrogen atom.
- hydrocarbon group having 1 to 6 carbon atoms which may contain a hetero atom examples include a methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, s-butyl group, t-butyl group, n -Pentyl group, n-hexyl group, cyclohexyl group, phenyl group, 2-methoxyethyl group, 2-ethoxyethyl group, 2- (dimethylamino) ethyl group and the like can be mentioned, and a methyl group is preferable.
- 1,3-dimethylbenzoimidazolium group 1-ethyl-3-methylbenzimidazolium group, 1-methyl-3-propylbenzimidazolium group, 1-butyl-3-methylbenzimidazolium group, 1-methyl-3-pentylbenzimidazolium group, 1-hexyl-3-methylbenzimidazolium group, 1-heptyl-3-methylbenzimidazolium group, 1-methyl-3-octylbenzimidazolium group, 1- Methyl-3-nonylbenzimidazolium group, 1-decyl-3-methylbenzimidazolium group, 1-allyl-3-methylbenzimidazolium group, 1-benzyl-3-methylbenzimidazolium group, 1,3,3 6-trimethylbenzimidazolium group, 1-acetyl-3,6-dimethylbenzimidazolium , 1,3,6,7- tetramethyl-benzimidazolium group, 1,3-dibenzyl-6
- a 3-methylbenzothiazolium group, etc. preferably 1,3-dimethylbenzimidazolium group, 1-ethyl-3-methylbenzimidazolium group, 1-methyl-3-propylbenzoimidazolium group, A 1-butyl-3-methylbenzimidazolium group, particularly preferably a 1,3-dimethylbenzimidazolium group.
- amidate compound (1) Specific examples of the amidate compound (1) are shown below, but the present invention is not limited thereto.
- Et represents an ethyl group
- Pr represents an n-propyl group
- Bu represents an n-butyl group.
- the amidate compound (1) is preferably represented by the formulas (1-1-5a), (1-1-20a), (1-1-30a), (1-1-41a), (1-1-45a), ( 1-1-46a), (1-1-48a), (1-1-52a), (1-1-59a), (1-1-88a), (1-1-89a), (1- 1-90a), (1-1-5b), (1-1-20b), (1-1-30b), (1-1-41b), (1-1-45b), (1-1) 46b), (1-1-48b), (1-1-52b), (1-1-59b), (1-1-88b), (1-1-89b), (1-1-90b) , (1-1-5c), (1-1-20c), (1-1-30c), (1-1-41c), (1-1-45c), (1-1-46c), ( 1-1-48c), (1-1- 2c), (1-1-59c), (1-1-88c), (1-1-89c), (1-1-90c), (1-2-17a), (1-2-20a) , (1-241a), (1-248a), (1-249a), (1-251a),
- 1,3-dimethylimidazolium-2-N- (p-chlorophenyl) amidate represented by (1-1-52a) and (1-1-85a) 1,3-Dimethylimidazolium-2-N- (3 ′, 5′-dichlorophenyl) amidate is not included in the amidate compound (1).
- amidate compound (1) of the present invention has an isomer such as an optical isomer, a stereoisomer, a positional isomer, etc.
- any mixture of isomers may be used unless specified. It is included in the amidate compound (1) of the present invention.
- the optical isomer resolved from the racemate may also be included in the amidate compound (1) of the present invention.
- Each of these isomers can be obtained as a single compound by a conventionally known separation method (concentration, solvent extraction, column chromatography, recrystallization, etc.).
- amidate compound (1) is isomerized by resonance.
- X is a nitrogen atom
- the following resonance structure can be taken.
- the amidate compound (1) of the present invention is produced through the following step 1 and the following step 2 or 2 '.
- Step 1 A nitrogen-containing organic compound represented by the following formula (3) (hereinafter referred to as nitrogen-containing compound (3)) and dimethyl carbonate are reacted to form a carboxylate compound (hereinafter, represented by the following formula (4)). Step of producing carboxylate compound (4))
- Step 2 A step of producing an amidate compound by reacting an isocyanate compound represented by the following formula (5) (hereinafter referred to as isocyanate compound (5)) with a carboxylate compound (4).
- Process 2 ′ Process formula (6) for producing an amidate compound (1) by reacting a urethane compound represented by the following formula (6) (hereinafter referred to as urethane compound (6)) with a carboxylate compound (4). :
- R 14 represents a hydrocarbon group which may contain a hetero atom.
- a and n are the same as described above.
- step 1 will be described.
- R 1 , R 2 , R 3 , X and a are the same as described above.
- R 2 and R 3 in Formula (3) are preferably bonded to each other to form a ring structure.
- the nitrogen-containing organic compound (3) forming a ring is preferably a nitrogen-containing organic compound represented by any of the following formulas (3-1), (3-2) and (3-3), particularly A nitrogen-containing organic compound represented by the formula (3-1) is preferable.
- R 1 , R 6 , R 7 , X and a are the same as described above.
- Specific examples of the nitrogen-containing compound represented by the formula (3-1) include 1-methylimidazole, 1-ethylimidazole, 1-propylimidazole, 1-isopropylimidazole, 1-butylimidazole, 1-tert-butylimidazole.
- 1-pentylimidazole 1-hexylimidazole, 1-heptylimidazole, 1-octylimidazole, 1-nonylimidazole, 1-decylimidazole, 1-allylimidazole, 1-benzylimidazole, 1- (2-methoxyethyl) imidazole 1- (2-ethoxyethyl) -imidazole, 1- (2-dimethylaminoethyl) imidazole, 1,4,5-trimethylimidazole
- Examples include thiazole, 4-methylthiazole, 5-methylthiazole, 4,5-dimethylthiazole, and preferably 1-methylimidazole, 1-ethylimidazole, 1propylimidazole, 1-butylimidazole, 1-octylimidazole. Particularly preferred are 1-methylimidazole, 1-butylimidazole and 1-octylimidazole.
- R 1 , R 8 , R 9 , X and a are the same as described above.
- Specific examples of the nitrogen-containing compound represented by the formula (3-2) include 1-methylimidazoline, 1-ethylimidazoline, 1-propylimidazoline, 1-isopropylimidazoline, 1-butylimidazoline, 1-tert-butylimidazoline.
- Examples include thiazoline, 4-methylthiazoline, 5-methylthiazoline, 4,5-dimethylthiazoline, preferably 1-methylimidazoline, 1-ethylimidazoline, 1-propylimidazoline, 1-butylimidazoline. Is 1-methylimidazoline.
- R 1 , R 10 , R 11 , R 12 , R 13 , X and a are the same as described above.
- Specific examples of the nitrogen-containing compound represented by the formula (3-3) include 1-methylbenzimidazole, 1-ethylbenzimidazole, 1-propylbenzimidazole, 1-butylbenzimidazole, 1-pentylbenzimidazole, 1 -Hexylbenzimidazole, 1-heptylbenzimidazole, 1-octylbenzimidazole, 1-nonylbenzimidazole, 1-decylbenzimidazole, 1-allylbenzimidazole, 1-benzylbenzimidazole, 1,6-dimethylbenzimidazole, 1 -Acetyl-6-methylbenzimidazole, 1,6,7-trimethylbenzimidazole,
- Examples include benzoxazole, benzothiazole, and the like, preferably 1-methylbenzimidazole, 1-ethyllbenzimidazole, 1-propylbenzimidazole, 1-butylbenzimidazole, and particularly preferably 1-methylbenzimidazole. is there.
- R 1 , R 2 , R 3 , X and a are the same as described above.
- R 2 and R 3 of the carboxylate compound represented by the formula (4) are bonded to each other to form a ring structure.
- the carboxylate compound (4) forming a ring is preferably a carboxylate compound represented by any of the following formulas (4-1), (4-2) and (4-3), particularly preferably It is a carboxylate compound represented by the formula (4-1).
- R 1 , R 6 , R 7 , X and a are the same as described above.
- Specific examples of the carboxylate compound represented by the formula (4-1) include 1,3-dimethylimidazolium-2-carboxylate, 1-ethyl-3-methylimidazolium-2-carboxylate, 1-methyl -3-propylimidazolium-2-carboxylate, 1-methyl-3-isopropylimidazolium-2-carboxylate, 1-butyl-3-methylimidazolium-2-carboxylate, 1-tert-butyl-3- Methylimidazolium-2-carboxylate, 1-methyl-3-pentylimidazolium-2-carboxylate, 1-hexyl-3-methylimidazolium-2-carboxylate, 1-heptyl-3-methylimidazolium-2 -Carboxylate, 1-methyl-3-octylimidazolium-2-ca Boxylate, 1-methyl-3-n
- R 1 , R 8 , R 9 , X and a are the same as defined above.
- Specific examples of the carboxylate compound represented by the formula (4-2) include 1,3-dimethylimidazolinium-2-carboxylate, 1-ethyl-3-methylimidazolinium-2-carboxylate, -Methyl-3-propylimidazolinium-2-carboxylate, 1-butyl-3-methylimidazolinium-2-carboxylate, 1-methyl-3-pentylimidazolinium-2-carboxylate, 1-hexyl -3-Methylimidazolinium-2-carboxylate, 1-heptyl-3-methylimidazolinium-2-carboxylate, 1-methyl-3-octylimidazolinium-2-carboxylate, 1-methyl-3 -Nonylimidazolinium-2-carboxylate, 1-decyl-3-methylimidazolinium-2 Carboxylate, 1-allyl-3-
- R 1 , R 10 , R 11 , R 12 , R 13 , X and a are the same as described above.
- Specific examples of the carboxylate compound represented by the formula (4-3) include 1,3-dimethylbenzimidazolium-2-carboxylate, 1-ethyl-3-methylbenzimidazolium-2-carboxylate, -Methyl-3-propylbenzimidazolium-2-carboxylate, 1-butyl-3-methylbenzimidazolium-2-carboxylate, 1-methyl-3-pentylbenzimidazolium-2-carboxylate, 1-hexyl -3-Methylbenzimidazolium-2-carboxylate, 1-heptyl-3-methylbenzimidazolium-2-carboxylate, 1-methyl-3-octylbenzimidazolium-2-carboxylate, 1-methyl-3 -Nonylbenzimidazolium-2-carboxylate, 1-de 3-methylbenzimid
- 3-methylbenzothiazolium-2-carboxylate and the like preferably 1,3-dimethylbenzimidazolium-2-carboxylate, 1-ethyl-3-methylbenzimidazolium-2-carboxylate, 1-methyl-3-propylbenzimidazolium-2-carboxylate, 1-butyl-3-methylbenzimidazolium-2-carboxylate, particularly preferably 1,3-dimethylbenzimidazolium-2-carboxylate Rate.
- the amount of dimethyl carbonate used is usually 1 mol or more, preferably 1 to 6 mol, per 1 mol of the nitrogen-containing organic compound (3).
- the optimum reaction temperature varies depending on the raw materials and solvents used, but is usually room temperature or higher, preferably 20 to 200 ° C. In this specification, room temperature usually means about 20 ° C.
- a solvent may or may not be used.
- the solvent to be used is not particularly limited as long as it does not affect the reaction.
- the solvent include monovalent alcohol solvents such as methanol, ethanol, propanol, butanol, pentanol, hexanol, 1-methoxy-2-propanol and ethoxyethanol, polyol solvents such as ethylene glycol, propylene glycol and diethylene glycol, Dipropylene glycol mono n-butyl ether, dipropylene glycol monomethyl ether, tripropylene glycol monomethyl ether, propylene glycol mono n-propyl ether, dipropylene glycol mono n-propyl ether, propylene glycol mono n-butyl ether, tripropylene glycol mono n- Glycos such as butyl ether, propylene glycol monomethyl ether, diethylene glycol monoethyl ether Monoalkyl ether
- the reaction may be performed in an inert gas atmosphere that does not affect the reaction of nitrogen, argon, helium, or the like.
- the carboxylate compound (4) can be isolated by concentrating the reaction solution and removing the solvent. When the unreacted nitrogen-containing organic compound (3) and dimethyl carbonate remain in the reaction solution, they can be removed by concentrating the reaction solution.
- the carboxylate compound (4) is not taken out from the reaction solution, and can be used in the reaction with the isocyanate compound (5) or the urethane compound (6) as the reaction solution. Therefore, it is advantageous for industrial production. Therefore, in the present invention, it is preferable to use the reaction solution as it is in Step 2 or Step 2 '.
- step 2 will be described.
- the isocyanate compound (5) is preferably an isocyanate compound represented by any one of the following formulas (5-1), (5-2) and (5-3), particularly preferably the formula (5-1) or ( It is an isocyanate compound represented by 5-2).
- R 4 is the same as described above.
- R 5 is the same as defined above.
- Et represents an ethyl group
- Pr represents an n-propyl group
- Bu represents an n-butyl group.
- the isocyanate compound (5) is preferably a compound represented by formulas (5-1-5), (5-1-20), (5-1-52) and (5-2-17).
- step 2 the carboxylate compound (4) is usually reacted in an amount of 0.8 mol or more, preferably 1 to 3 mol, per mol of the isocyanate group contained in the isocyanate compound (5).
- a solvent may or may not be used.
- a hydrocarbon solvent is preferably used.
- the hydrocarbon solvent include aromatic hydrocarbon solvents such as toluene, benzene, and xylene, aliphatic or alicyclic hydrocarbon solvents such as methylcyclohexane, cyclohexane, n-hexane, n-heptane, and octane, dichloromethane, and chloroform.
- Halogenated aromatic hydrocarbon solvents such as halogenated aromatic hydrocarbon solvents such as chlorobenzene, dichlorobenzene and the like, preferably aromatic hydrocarbon solvents and halogenated aromatic hydrocarbon solvents, particularly preferably toluene, Xylene and chlorobenzene. Two or more kinds of solvents can be mixed and used as necessary.
- the solvent in the reaction liquid is used as it is as the isocyanate compound (5) and the carboxylate compound ( It can be used as a solvent for the reaction of 4). In that case, you may react by adding a solvent as needed.
- the amount of the solvent used is usually 50 parts by weight or less, preferably 0.1 part by weight or more and 35 parts by weight or less with respect to 1 part by weight of the carboxylate compound (4).
- reaction temperature is not particularly limited, it may be not higher than the boiling point of the solvent, and is usually 10 ° C. or higher, preferably 40 to 200 ° C., particularly preferably 80 to 150 ° C.
- the reaction may be performed in an inert gas atmosphere that does not affect the reaction of nitrogen, argon, helium or the like.
- the amidate compound (1) can be obtained by concentrating the reaction solution or removing the solvent by filtration.
- the obtained amidate compound (1) can be purified by a method such as recrystallization.
- R 14 is a hydrocarbon group that may contain a hetero atom, preferably a hydrocarbon group having 1 to 50 carbon atoms that may contain a hetero atom, more preferably a hydrocarbon group having 1 to 30 carbon atoms, Particularly preferred is a hydrocarbon group having 1 to 8 carbon atoms.
- the hydrocarbon group which may contain a hetero atom include a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group, a s-butyl group, a t-butyl group, an n-pentyl group and an n-hexyl group.
- methyl group, ethyl group, propyl group, isopropyl group, t-butyl group, n-octyl group, cyclopentyl group, cyclohexyl group, and 2,4,6-trimethylphenyl group and more preferred are methyl group and ethyl group , Isopropyl group, t-butyl group, n-octyl group and phenyl group, particularly preferably methyl group, isopropyl group, t-butyl group, n-octyl group and phenyl group.
- the urethane compound represented by the formula (6) is preferably any one of the following formulas (6-1), (6-2) and (6-3). And particularly preferably a urethane compound represented by the formula (6-1) or (6-2).
- R 4 is the same as described above.
- R 5 is the same as defined above.
- Et represents an ethyl group
- Pr represents an n-propyl group
- Bu represents an n-butyl group.
- the urethane compound (6) is preferably of the formulas (6-1-30p), (6-1-30q), (6-1-30r), (6-1-30s), (6-1-30t), ( (6-1-41p), (6-1-41q), (6-1-41r), (6-1-41s), (6-1-41t), (6-1-45p), (6- 1-45q), (6-1-45r), (6-1-45s), (6-1-45t), (6-1-46p), (6-1-46q), (6-1- 46r), (6-1-46s), (6-1-46t), (6-1-48p), (6-1-48q), (6-1-48r), (6-1-48s) , (6-1-48t), (6-1-52p), (6-1-52q), (6-1-52r), (6-1-52s), (6-1-52t), ( 6-1-59p), (6- -59q), (6-1-59r), (6-1-59s), (6-1-59t), (6-1-88p), (6-1-88q), (6-1-88r) ), (6-1-88s), (6-1-
- the urethane compound (6) used as a raw material is not particularly limited, but urethane compounds produced by various methods can be widely used.
- the urethane compound (6) can be produced by the following method.
- R 14 is the same as above.
- Y represents a halogen atom.
- Method II A method of reacting the amine compound represented by formula (7) with phosgene and then reacting the obtained reaction product with an alcohol compound.
- Method III A method of reacting an amine compound, urea and an alcohol compound represented by the formula (7).
- the amine compound represented by the formula (7) (hereinafter referred to as the amine compound (7)) is an amine represented by any one of the formulas (7-1), (7-2) and (7-3). A compound is preferred.
- R 4 is the same as described above.
- R 5 is the same as defined above.
- Et represents an ethyl group
- Pr represents an n-propyl group
- Bu represents an n-butyl group.
- the amine compound (7) is preferably represented by the formulas (7-1-41), (7-1-45), (7-1-46), (7-1-48), (7-1-52), ( 7-1-59), (7-1-88), (7-1-89), (7-1-90), (7-2-41), (7-2-48), (7- 2-49) and (7-2-51).
- R 14 is the same as described above.
- Examples of the carbonyl compound represented by the formula (8a) include di-t-butyl dicarbonate, dibenzyl dicarbonate, di-t-amyl dicarbonate, and diallyl dicarbonate, preferably di-t-butyl dicarbonate. Dibenzyl dicarbonate.
- R 14 is the same as described above.
- Examples of the carbonyl compound represented by the formula (8b) include dimethyl carbonate, diethyl carbonate, dipropyl carbonate, dibutyl carbonate, dipentyl carbonate, dihexyl carbonate, diphenyl carbonate, dibenzyl carbonate, and the like, preferably dimethyl carbonate, diethyl carbonate, Dipropyl carbonate, dibutyl carbonate, diphenyl carbonate, dibenzyl carbonate.
- R 14 is the same as above, and Y represents a halogen atom.
- a halogen atom a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom are mentioned, Preferably it is a chlorine atom.
- Examples of the carbonyl compound represented by the formula (8c) include methyl chloroformate, ethyl chloroformate, propyl chloroformate, isopropyl chloroformate, 2-methoxyethyl chloroformate, butyl chloroformate, isobutyl chloroformate, amyl chloroformate, chloro
- Examples include heptyl formate, hexyl chloroformate, nonyl chloroformate, n-octyl chloroformate, decyl chloroformate, dodecyl chloroformate, hexadecyl chloroformate, phenyl chloroformate, 2-naphthyl chloroformate, and benzyl chloroformate, preferably chloro Methyl formate, ethyl chloroformate, propyl chloroformate, isopropyl chloroformate, butyl chloroformate, n-octyl chlor
- the carbonyl compounds represented by the formulas (8a), (8b) and (8c) are preferable from the viewpoints of availability, reaction ease, and the like.
- a carbonyl compound represented by the formula (8a) is particularly preferably used.
- the amount of the carbonyl compound (8) to be used is usually 1 mol or more, preferably 1 to 6 mol, relative to 1 mol of the amino group in the amine compound (7).
- a base catalyst When reacting the amine compound (7) and the carbonyl compound (8), a base catalyst may be used if necessary.
- the base catalyst include organic bases such as triethylamine and dimethylaminopyridine, and inorganic bases such as potassium hydroxide, sodium hydroxide and sodium hydrogen carbonate, with triethylamine being preferred.
- the optimum reaction temperature varies depending on the raw materials and solvents used, but is usually room temperature or higher, preferably 20 to 250 ° C.
- Solvent may or may not be used.
- the solvent to be used is not particularly limited as long as it does not affect the reaction.
- Specific examples of the solvent include aromatic hydrocarbon solvents such as toluene, benzene, and xylene, aliphatic or alicyclic hydrocarbon solvents such as methylcyclohexane, cyclohexane, n-hexane, n-heptane, and octane, dichloromethane, chloroform, and the like.
- Halogenated hydrocarbon solvents diethyl ether, tetrahydrofuran, ether solvents such as 1,4-dioxane, alcohol solvents such as methanol and ethanol, N, N-dimethylformamide, acetonitrile and the like, preferably ether solvents and alcohol solvents Particularly preferred are tetrahydrofuran and methanol.
- the amount of the solvent used is usually 50 parts by weight or less, preferably 0.1 to 10 parts by weight per 1 part by weight of the amine compound (4).
- the reaction may be performed in an inert gas atmosphere that does not affect the reaction of nitrogen, argon, helium, or the like.
- the urethane compound (1) can be isolated by treating the unreacted carbonyl compound (8) with an amine compound such as diethanolamine, washing with water or a weakly acidic aqueous solution, and concentrating the reaction solution. If necessary, purification such as recrystallization may be performed.
- an amine compound such as diethanolamine
- R 14 is as defined above.
- examples of the alcohol compound represented by the formula (9) include aliphatic alcohols such as methanol, ethanol, isopropanol, t-butanol, n-octanol, methoxyethanol, ethoxyethanol, benzyl
- Aromatic alcohols such as alcohols and phenols such as phenols can be mentioned, and methanol, ethanol, isopropanol, t-butanol, n-octanol and phenol are preferred.
- the amount of the alcohol compound (9) used is usually 1 mol or more, preferably 1 to 70 mol, per 1 mol of the isocyanate group of the isocyanate compound (5).
- the reaction temperature at the time of reacting the isocyanate compound (5) and the alcohol compound (9) varies depending on the raw materials and solvents used, but is usually room temperature or higher, preferably 20 to 200 ° C. .
- a catalyst When reacting the isocyanate compound (5) and the alcohol compound (9), a catalyst may be used as necessary.
- the catalyst include organometallic compounds and amine compounds containing at least one metal element selected from the group consisting of tin, iron, lead, bismuth, mercury, titanium, hafnium, and zirconium.
- Preferred examples of the organometallic compound include tin carboxylate, dialkyltin oxide, and bismuth carboxylate, and dibutyltin dilaurate is more preferred.
- the amine compound is preferably 1,4-diazabicyclo [2.2.2] octane, N, N, N ′, N ′′, N ′′ -pentamethyldiethylenetriamine, or bis (2-dimethylaminoethyl) ether.
- the solvent may or may not be used, and the alcohol compound (9) can be used as a solvent by using the alcohol compound (9) in excess.
- the solvent to be used is not particularly limited as long as it does not affect the reaction.
- Specific examples of the solvent include aromatic hydrocarbon solvents such as toluene, benzene, and xylene, aliphatic or alicyclic hydrocarbon solvents such as methylcyclohexane, cyclohexane, n-hexane, n-heptane, and octane, dichloromethane, chloroform, and the like.
- halogenated hydrocarbon solvents ether solvents such as diethyl ether and tetrahydrofuran, and the like, preferably toluene.
- the amount of the solvent used is usually 50 parts by weight or less, preferably 0.1 to 10 parts by weight per 1 part by weight of the isocyanate compound (5).
- the reaction may be performed in an inert gas atmosphere that does not affect the reaction of nitrogen, argon, helium, or the like.
- the urethane compound (6) can be isolated by concentrating the reaction solution or removing the solvent by filtration.
- the obtained urethane compound (6) can be subjected to a reaction with the carboxylate compound (4) after being purified by washing with an arbitrary solvent, if necessary.
- step 2 ' the carboxylate compound (4) is usually reacted in an amount of 0.8 mol or more, preferably 1 to 3 mol per 1 mol of the carbamate group contained in the urethane compound (6).
- reaction temperature is not particularly limited, it may be not higher than the boiling point of the solvent, and is usually 10 ° C. or higher, preferably 40 to 200 ° C., particularly preferably 80 to 150 ° C.
- a solvent may or may not be used.
- the solvent include aromatic hydrocarbon solvents such as toluene, benzene and xylene, aliphatic or alicyclic hydrocarbon solvents such as methylcyclohexane, cyclohexane, n-hexane, n-heptane and octane, butyl chloride, 1, Halogenated aliphatic hydrocarbon solvents such as 2-dichloroethane, halogenated aromatic hydrocarbon solvents such as chlorobenzene, and the like.
- aromatic hydrocarbon solvents and halogenated aromatic hydrocarbon solvents and particularly preferred is toluene.
- Xylene and chlorobenzene Two or more kinds of solvents can be mixed and used as necessary.
- the solvent in the reaction liquid is used as it is with the urethane compound (6) and the carboxylate. It can also be used as a solvent for the reaction of compound (4). In that case, you may react by adding a solvent as needed.
- the amount of the solvent used is usually 50 parts by weight or less, preferably 35 parts by weight or less, more preferably 0.1 to 35 parts by weight with respect to 1 part by weight of the carboxylate compound (4).
- the reaction may be performed in an inert gas atmosphere that does not affect the reaction of nitrogen, argon, helium, or the like.
- the amidate compound (1) can be obtained by concentrating the reaction solution or removing the solvent by filtration.
- the obtained amidate compound (1) may be purified by a method such as recrystallization.
- the polyurethane production catalyst of the present invention comprises the amidate compound (1) as an active ingredient, and even a single amidate compound (1) can be used as a polyurethane production catalyst. It can also be used as a mixture of seeds or more. Moreover, a solvent etc. can also be mixed and used as needed. Furthermore, known polyurethane production catalysts can be combined and used in combination.
- the amidate compound (1) When the amidate compound (1) is mixed with a solvent or the like and / or combined with a known polyurethane production catalyst to prepare a polyurethane production catalyst, it is a polyurethane production catalyst composition.
- those skilled in the art can appropriately set the blending ratio of the amidate compound (1) and the solvent and the blending ratio of the amidate compound (1) and a known polyurethane production catalyst.
- Known catalysts for polyurethane production include, for example, triethylamine, N, N, N ′, N′-tetramethylethylenediamine, N, N, N ′, N′-tetramethylpropylenediamine, N, N, N ′, N ", N" -pentamethyldiethylenetriamine, N, N, N ', N ", N” -pentamethyldipropylenetriamine, N, N, N', N'-tetramethylguanidine, 1,3,5-tris ( N, N-dimethylaminopropyl) hexahydro-S-triazine, 1,4-diazabicyclo [2.2.2] octane (DABCO), 1,8-diazabicyclo [5.4.0] undecene-7, triethylenediamine, N, N, N ′, N′-tetramethylhexamethylenediamine, N-methyl-N ′-(2-dimethyl
- a polyurethane resin can be produced by reacting a polyol with a polyisocyanate in the presence of the polyurethane production catalyst of the present invention.
- the amount of the polyurethane production catalyst of the present invention is such that the amidate compound (1) is usually in the range of 0.001 to 10 parts by weight, preferably 0.01 to 1 part by weight per 100 parts by weight of the polyol used. This is the amount to be part.
- the polyol is not particularly limited, and examples thereof include conventionally known polyether polyols, polyester polyols, polymer polyols, vegetable oil polyols, and phosphorus-containing polyols and halogen-containing polyols. These flame retardant polyols are used. These polyols may be used alone or in combination as appropriate.
- the polyether polyol is not particularly limited, and examples thereof include compounds having at least two active hydrogen groups (specifically, polyvalent compounds such as ethylene glycol, propylene glycol, glycerin, trimethylolpropane, pentaerythritol, etc.).
- examples include alcohols, amines such as ethylenediamine, alkanolamines such as ethanolamine and diethanolamine, etc.) as starting materials, and alkylene oxides (specifically, ethylene oxide, propylene oxide, etc.).
- the polyester polyol is not particularly limited.
- a polyhydric carboxylic acid such as adipic acid or phthalic acid and a polyhydric alcohol such as ethylene glycol, 1,4-butanediol, or 1,6-hexanediol are used.
- Examples include condensation reaction products, wastes from the manufacture of nylon, trimethylolpropane, pentaerythritol wastes, phthalic polyester wastes, polyester polyols derived from processing waste products [for example, Keiji Iwata “Polyurethane Resin Handbook” (1987) Nikkan Kogyo Shimbun, see page 117].
- the polymer polyol is not particularly limited.
- the polyether polyol and the ethylenically unsaturated monomer for example, butadiene, acrylonitrile, styrene, etc.
- examples include polymer polyols.
- the polymer polyol those having a molecular weight of about 5000 to 12000 are particularly preferred.
- the vegetable oil polyol is not particularly limited, and examples thereof include hydroxyl group-containing vegetable oils such as castor oil and palm oil.
- a castor oil derivative polyol obtained using castor oil or hydrogenated castor oil as a raw material can also be suitably used.
- castor oil derivative polyol castor oil polyester obtained by reaction of castor oil, polyvalent carboxylic acid and short chain diol, alkylene oxide adduct of castor oil and castor oil polyester, and the like can be given.
- the flame retardant polyol is not particularly limited.
- a phosphorus-containing polyol obtained by adding alkylene oxide to a phosphoric acid compound a halogen-containing polyol obtained by ring-opening polymerization of epichlorohydrin or trichlorobutylene oxide, an aromatic An aromatic ether polyol obtained by adding an alkylene oxide to an active hydrogen compound having a ring, an aromatic ester polyol obtained by a condensation reaction of a polyvalent carboxylic acid having an aromatic ring and a polyhydric alcohol, and the like.
- the hydroxyl value of the polyol is preferably 5 to 300 mgKOH / g, more preferably 10 to 250 mgKOH / g.
- the hydroxyl value can be measured by the method defined in JIS-K0070.
- the polyisocyanate is not particularly limited, and examples thereof include aromatic, alicyclic and aliphatic polyisocyanates having two or more isocyanate groups, and modified polyisocyanates thereof. Specifically, tolylene diisocyanate, diphenylmethane diisocyanate, polymethylene polyphenyl polyisocyanate, aromatic polyisocyanate such as phenylene diisocyanate, xylylene diisocyanate, alicyclic polyisocyanate such as dicyclohexyl diisocyanate, isophorone diisocyanate, hexamethylene diisocyanate, etc. Aliphatic polyisocyanates, prepolymer-modified products of the above polyisocyanates, nurate-modified products, and urea-modified products. These polyisocyanates may be used alone or in combination as appropriate.
- the amount of polyisocyanate used is not particularly limited, and usually the isocyanate index (NCO concentration / active hydrogen group concentration ⁇ 100) is 70 to 140, preferably 75 to 130, more preferably 80 to 120. Amount.
- the isocyanate component generated as a decomposition product when the amidate compound (1) acts as a catalyst is incorporated into the resin skeleton during the production of the polyurethane resin and does not inhibit the polymerization, a higher degree of polymerization and crosslinking are achieved.
- n is 2 or more.
- the reaction between the polyol and the polyisocyanate if necessary, a colorant such as a pigment or a dye, an antioxidant, a stabilizer, an ultraviolet absorber, a flame retardant, an inorganic filler for increasing mechanical strength, An organic solvent, a silane coupling agent, an antifoaming agent, a leveling agent and other adhesion imparting agents used to lower the viscosity, and other additives can be added.
- a colorant such as a pigment or a dye, an antioxidant, a stabilizer, an ultraviolet absorber, a flame retardant, an inorganic filler for increasing mechanical strength
- An organic solvent, a silane coupling agent, an antifoaming agent, a leveling agent and other adhesion imparting agents used to lower the viscosity, and other additives can be added.
- amidate compound (1) which is the main component of the polyurethane production catalyst of the present invention, is decomposed by heating to generate carbene, and the generated carbene functions as a polyurethane production catalyst.
- the amidate compound (1) which is the main component of the polyurethane production catalyst of the present invention, functions as a thermal latent catalyst as shown in the examples described later. Therefore, the reaction relating to the method for producing the polyurethane resin is preferably carried out in the range of 120 ° C. to 250 ° C. More preferably, it is 160 ° C to 200 ° C.
- a polyurethane resin can be obtained by the above-described method.
- the polyurethane resin obtained by the method of the present invention can be used for various applications such as paints, adhesives, and sealing agents.
- a nitrogen-substituted 15 mL test tube was charged with 0.20 g (1.6 mmol) of p-chloroaniline, 0.17 g (1.7 mmol) of triethylamine and 1 mL of tetrahydrofuran (THF), and the mixture was stirred while di-t-dicarbonate.
- a butyl 0.38 g (1.7 mmol) / THF 1 mL solution was added dropwise. The resulting mixture was stirred at 25 ° C. for 24 hours, and further stirred at 40 ° C. for 18 hours. The resulting reaction mixture was cooled to 25 ° C.
- a 100 mL test tube purged with nitrogen was charged with 2.0 g (15.7 mmol) of m-chloroaniline, 1.8 g (17.3 mmol) of triethylamine and 10 mL of THF, and while stirring the mixture, 3.4 g of di-t-butyl dicarbonate.
- a (15.7 mmol) / THF 10 mL solution was added dropwise. The resulting mixture was stirred at 25 ° C. for 4 hours, and further stirred at 40 ° C. for 24 hours.
- a 100 mL test tube purged with nitrogen was charged with 1.0 g (5.6 mmol) of 2,6-diisopropylaniline, 0.6 g (5.6 mmol) of triethylamine and 5 mL of THF, and while stirring the mixture, di-t-butyl dicarbonate 1 .2 g (5.6 mmol) / THF 5 mL solution was added dropwise, and the mixture was stirred at 25 ° C. for 21 hours.
- a 50 mL test tube purged with nitrogen was charged with 3.1 g (14.0 mmol) of di-t-butyl dicarbonate, 1.6 g (15.4 mmol) of triethylamine, and 10 mL of THF, and 1.5 g (14.0 mmol) of benzylamine and 5 mL of THF.
- the obtained mixture was stirred at 25 ° C. for 3 hours, 0.2 g (1.8 mmol) of benzylamine was further added, and the mixture was stirred for 15 hours.
- a 50-mL test tube purged with nitrogen was charged with 2.4 g (11.1 mmol) of di-t-butyl dicarbonate, 1.3 g (12.8 mmol) of triethylamine and 15 mL of THF, and 1,4-bis [2- (4-aminophenyl) was added. ) -2-Propyl] benzene - 2.0 g (5.8 mmol) and 5 mL of THF were added dropwise, and the mixture was stirred at 25 ° C. for 19 hours.
- a 200 mL test tube purged with nitrogen was charged with 12.7 g (58 mmol) of di-t-butyl dicarbonate, 3.3 g (33 mmol) of triethylamine and 25.0 g of THF.
- a mixture of 5.0 g (14.5 mmol) of 4,4- (1,3-phenylenediisopropylidene) bisaniline and 30.0 g of THF was added dropwise over 5 minutes. The mixture was stirred at 25 ° C. for 4 hours.
- 3.1 g (290 mmol) of diethanolamine was added over 10 minutes.
- a 100 mL test tube purged with nitrogen was charged with 2.0 g (8.1 mmol) of bis (3-aminophenyl) sulfone, 2.0 g (16.1 mmol) of di-t-butyl dicarbonate and 20 mL of THF, and the mixture was stirred. 1.8 g (17.7 mmol) of triethylamine was added dropwise. The resulting mixture was stirred at 25 ° C. for 6 hours, and further stirred at 40 ° C. for 16 hours. Thereafter, 5.5 g (25.2 mmol) of di-t-butyl dicarbonate was added, and the mixture was further stirred at 40 ° C. for 48 hours.
- Example 1-1 In a test tube, 1.8 g of polyol (Sanix GP3000, manufactured by Sanyo Chemical Co., Ltd.), 0.2 g of isophorone diisocyanate (Tokyo Chemical Industry Co., Ltd.) (NCO index 100%) and 0.1 g of DMIm-PI as a curing catalyst were blended. A urethane resin composition was prepared. The obtained urethane resin composition was heated at each temperature for 10 minutes to measure the curing temperature. The results are shown in Table 2.
- Examples 1-2 to 1-4 and 2-1 to 2-11 The same procedure as in Example 1-1 was performed, except that DMIm-PI was replaced with the compounds shown in Table 2 in Example 1-1. The results are shown in Table 2.
- Example 1-1 The same operation as in Example 1-1 was performed except that the urethane resin composition was prepared without adding DMIm-PI in Example 1-1. The results are shown in Table 2.
- Example 1-2 The same procedure as in Example 1-1 was performed except that DMIm-PI was replaced with dibutyltin dilaurate in Example 1-1. The results are shown in Table 2.
- Example 2-1 The same operation as in Example 1-1 was performed except that DMIm-PI was replaced with DMIm-CO 2 in Example 1-1. The results are shown in Table 2.
- the urethane resin composition to which the compound of the present invention was added was stable without curing at 100 ° C. or lower, but cured at 160 ° C. when any catalyst was used. From this, it was found that the compound of the present invention can be used as a catalyst for producing polyurethane, particularly as a heat latent catalyst.
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Abstract
Description
で表されるアミデート化合物(ただし、1,3-ジメチルイミダゾリウム-2-N-(p-クロロフェニル)アミデート、1,3-ジメチルイミダゾリウム-2-N-(3’,5’-ジクロロフェニル)アミデートを除く。)。
式(1-1):
式(1-2):
式(1-3):
式(2-1):
式(2-2):
式(2-3):
で表されるアミデート化合物を含有するポリウレタン製造用触媒。
式(1-1):
式(1-2):
式(1-3):
式(2-1):
式(2-2):
式(2-3):
工程1 下記式(3)で表される含窒素有機化合物と炭酸ジメチルとを反応させて下記式(4)で表されるカルボキシレート化合物を製造する工程。
式(3):
式(4)
工程2 前記式(4)で表されるカルボキシレート化合物と下記式(5)で表されるイソシアネート化合物とを反応させる工程。
式(5):
式(6):
窒素置換した3つ口フラスコに製造例1-1で得られたDMIm-CO2を2.1g(15mmol)、クロロベンゼン20mL及びn-ブチルイソシアネート0.3g(3.0mmol)を仕込み、得られた混合物を130℃で2時間撹拌した。得られた反応液を25℃まで冷却後、n-ブチルイソシアネート2.7g(27mmol)を加え、さらに130℃で2時間撹拌した。得られた反応混合物を25℃に冷却後、濾過を行い、得られたろ液を減圧濃縮した。得られた濃縮残さにトルエン30mL、水30mLを加え分液し、得られた水相をトルエン30mLで2回洗浄した水相を減圧濃縮し、DMIm-BIを1.9g得た(収率64%)。DMIm-BIの1H-NMR分析結果を以下に示す。
窒素置換した15mL試験管に製造例1-1で得られたDMIm-CO2を0.20g(1.43mmol)、製造例2-18で得られたp-クロロ-N-メトキシカルボニルアニリン0.26g(1.43mmol)及びトルエン6mLを仕込み、得られた混合物を110℃で3時間撹拌した。得られた反応混合物を25℃に冷却後、濾過を行い、得られた白色固体を減圧乾燥し、上記式で表される化合物(DMIm-pClPI)を0.36g得た(収率92%)。
窒素置換した30mL試験管に製造例1-1で得られたDMIm-CO2を0.34g(2.39mmol)、製造例2-19で得られたp-クロロ-N-イソプロポキシカルボニルアニリン0.51g(2.39mmol)及びトルエン9mLを仕込み、110℃で6時間撹拌した。得られた反応混合物を25℃に冷却後、濾過を行い、得られた白色固体を減圧乾燥し、DMIm-pClPIを0.49g得た(収率82%)。
窒素置換した30mL試験管に製造例1-1で得られたDMIm-CO2を0.30g(2.14mmol)、製造例2-20で得られたp-クロロ-N-オクトキシカルボニルアニリン((p-クロロ-N-(n-オクチルオキシ)カルボニルアニリン)))0.61g(2.14mmol)及びトルエン9mLを仕込み、110℃で3時間撹拌した。得られた反応混合物を25℃に冷却後、濾過を行い、得られた白色固体を減圧乾燥し、DMIm-pClPIを0.38g得た(収率72%)。
窒素置換した30mL試験管に製造例1-1で得られたDMIm-CO2を0.30g(2.14mmol)、製造例2-21で得られたp-クロロ-N-フェノキシカルボニルアニリン0.53g(2.14mmol)及びトルエン9mLを仕込み、110℃で3時間撹拌した。得られた反応混合物を25℃に冷却後、減圧濃縮し、DMIm-pClPIとフェノールの混合液を得た。得られた混合物を1H-NMR分析したところDMIm-pClPIの収率は98%であった。
NMR管に重水及び重水に対して1重量%のDMIm-CO2を入れ、80℃に加熱して加熱試験を行った。加熱試験前の純度を100%として加熱試験後のDMIm-CO2の残存率(%)を算出し、安定性を評価した。加熱時間は、1時間及び3時間とした。DMIm-CO2の残存率(%)は、1H-NMR分析によるDMIm-CO2のピーク(δ=3.95ppm付近)と加熱により増加する不純物ピーク(δ=3.85ppm付近)の積分値から、以下の式により算出した。結果を表1に示す。なお、評価例1-1において加熱時間を6時間とした場合の残存率(%)は評価しなかった。
純度(%)=DMIm-CO2のピークの積分値/(DMIm-CO2のピークの積分強度+不純物のピークの積分値)×100}。
評価例1-1においてDMIm-CO2の代わりにDMIm-PIを使用して、DMIm-PIの安定性評価を行った。DMIm-PIは水溶解性が悪いため、評価例1-1において、重水に代え重水と重ジメチルスルホキシドの混合溶液を用いて、評価例1-1と同様に80℃加熱下でDMIm-PIの安定性を評価した。加熱時間は、1時間、3時間及び6時間とした。DMIm-PIの残存率(%)は、1H-NMR分析によるDMIm-PIのピーク(δ=3.78ppm付近)と加熱により増加する不純物ピーク(δ=3.72ppm付近)の積分値により算出した。結果を表1に示す。
評価例1-2においてDMIm-PIの代わりにDMIm-pClPIを使用した以外は評価例1-2と同様に評価した。加熱時間は、1時間、3時間及び6時間とした。DMIm-pClPIの残存率(%)は、1H-NMR分析によるDMIm-pClPIのピーク(δ=3.79ppm付近)と加熱により増加する不純物ピーク(δ=3.74ppm付近)の積分比により算出した。結果を表1に示す。
試験管にポリオール(サニックスGP3000、三洋化成工業株式会社製)1.8g、イソホロンジイソシアネート(東京化成工業株式会社製)0.2g(NCOインデックス100%)及び硬化触媒としてDMIm-PI0.1gを配合し、ウレタン樹脂組成物を調製した。得られたウレタン樹脂組成物を各温度で10分間加熱し、硬化する温度を測定した。その結果を表2に示す。
実施例1-1においてDMIm-PIを表2に記載の化合物に代えた以外は、実施例1-1と同様に実施した。その結果を表2に示す。
実施例1-1においてDMIm-PIを加えずにウレタン樹脂組成物を調製した以外は、実施例1-1と同様に実施した。その結果を表2に示す。
実施例1-1においてDMIm-PIをジブチル錫ジラウリレートに代えた以外は、実施例1-1と同様に実施した。その結果を表2に示す。
実施例1-1においてDMIm-PIをDMIm-CO2に代えた以外は、実施例1-1と同様に実施した。その結果を表2に示す。
Claims (19)
- 式(1):
で表されるアミデート化合物(ただし、1,3-ジメチルイミダゾリウム-2-N-(p-クロロフェニル)アミデート、1,3-ジメチルイミダゾリウム-2-N-(3’,5’-ジクロロフェニル)アミデートを除く。)。 - Aが無置換の炭化水素基、又は、フッ素原子、アルキルアミノ基、ジアルキルアミノ基、アルコキシ基、アリールオキシ基、ニトロ基、シアノ基、スルホニル基又はイソシアネート基から選択される少なくとも1種の置換基を有する炭化水素基である、請求項1に記載のアミデート化合物。
- nが1~6の整数である請求項1又は2に記載のアミデート化合物。
- 式(2)で表される含窒素有機基が下記式(2-1)、式(2-2)、又は式(2-3)のいずれかで表される含窒素有機基である請求項1~4のいずれかに記載のアミデート化合物。
式(2-1):
式(2-2):
式(2-3):
- Xが窒素原子である請求項1~5のいずれかに記載のアミデート化合物。
- Aが無置換の炭化水素基、又は、ハロゲン原子、アルキルアミノ基、ジアルキルアミノ基、アルコキシ基、アリールオキシ基、ハロゲン化アルキル基、ニトロ基、シアノ基、スルホニル基又はイソシアネート基から選択される少なくとも1種の置換基を有する炭化水素基である、請求項8に記載のポリウレタン製造用触媒。
- nが1~6の整数である請求項8又は9に記載のポリウレタン製造用触媒。
- 式(2)で表される含窒素有機基が下記式(2-1)、式(2-2)、又は式(2-3)のいずれかで表される含窒素有機基である請求項8~11のいずれかに記載のポリウレタン製造用触媒。
式(2-1):
式(2-2):
式(2-3):
- Xが窒素原子である請求項8~12のいずれかに記載のポリウレタン製造用触媒。
- 請求項8~14のいずれか1項に記載のポリウレタン製造用触媒の存在下、ポリオールとポリイソシアネートとを反応させるポリウレタン樹脂の製造方法。
- 前記工程2において、炭化水素溶媒の存在下で反応させる請求項16に記載の製造方法。
- 前記炭化水素溶媒が芳香族炭化水素溶媒又はハロゲン化芳香族炭化水素溶媒である請求項17に記載の製造方法。
- 前記芳香族炭化水素溶媒又はハロゲン化芳香族炭化水素溶媒がトルエン、キシレン、及びクロロベンゼンからなる群から選択される請求項18に記載の製造方法。
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- 2017-08-03 KR KR1020197005784A patent/KR102511648B1/ko active IP Right Grant
- 2017-08-03 CN CN201780047524.8A patent/CN109563050B/zh active Active
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CN109563050A (zh) | 2019-04-02 |
EP3495353A4 (en) | 2020-03-11 |
US20190177464A1 (en) | 2019-06-13 |
JPWO2018025970A1 (ja) | 2019-06-06 |
KR102511648B1 (ko) | 2023-03-17 |
CN109563050B (zh) | 2023-06-02 |
EP3495353B1 (en) | 2021-11-17 |
US10689478B2 (en) | 2020-06-23 |
EP3495353A1 (en) | 2019-06-12 |
KR20190037278A (ko) | 2019-04-05 |
TWI752069B (zh) | 2022-01-11 |
TW201815859A (zh) | 2018-05-01 |
JP7034916B2 (ja) | 2022-03-14 |
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