WO2002042251A1 - Acides carboxyliques aromatiques, halogenures acides de ces derniers et procedes de preparation de ces derniers - Google Patents
Acides carboxyliques aromatiques, halogenures acides de ces derniers et procedes de preparation de ces derniers Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/64—Monocyclic acids with unsaturation outside the aromatic ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/21—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups
- C07C65/28—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups having unsaturation outside the aromatic rings
Definitions
- Aromatic carboxylic acids their acid phenol derivatives, and methods for their production
- the present invention relates to aromatic carboxylic acids, acid halide derivatives thereof, and methods for producing them. More specifically, the present invention relates to an aromatic carboxylic acid and its acid halide derivative useful as a raw material of a polymer compound, particularly a condensed polymer compound having excellent heat resistance, and a method for efficiently producing the same. It is.
- Aromatic carboxylic acids having two carboxyl groups in one molecule and their acid halides are used as raw materials for aromatic polyamide resins, polyarylate resins, polybenzoxazole resins, and polybenzothiazole resins. Resins having various structures are manufactured and used according to their uses.
- these resins are generally thermoplastic polymer compounds, but have excellent heat resistance and are often used for applications exposed to high temperatures. Attempts have been made to introduce a heat-curable substituent as a means of further improving heat resistance, and thus there is a demand for a raw material used for the substituent. Day censoring
- a first object of the present invention is to provide an aromatic carboxylic acid and a derivative thereof which are useful as a raw material of a polymer compound, particularly a condensation polymer compound having excellent heat resistance. Yes, and the second purpose is to produce them efficiently.
- the present inventors have conducted intensive studies to achieve the above object, and as a result, it has been found that an aromatic carboxylic acid having a specific structure and an acid halide derivative thereof can achieve the first object, and Is manufactured efficiently by applying specific processes And achieved the second purpose.
- the present invention has been completed based on such knowledge.
- R 1 is a hydrogen atom, an alkyl group or an aromatic group
- R 2 is an alkyl group or an aromatic group.
- R 1 is a hydrogen atom, an alkyl group or an aromatic group
- R 2 is an alkyl group or an aromatic group.
- X represents a halogen atom.
- D represents a leaving group
- R represents a lower alkyl group
- [E in the formula represents a trimethylsilyl group, a hydroxypropyl group, an alkyl group or an aromatic group. ]
- R ′ represents a hydrogen atom, an alkyl group or an aromatic group
- M represents an alkali metal
- D represents a leaving group
- R represents a lower alkyl group
- R 2 represents an alkyl group or an aromatic group.
- R 1 represents a hydrogen atom, an alkyl group, or an aromatic group.
- M represents an alkali metal
- R 1 has the same meaning as described above.
- R 2 represents an alkyl group or an aromatic group.
- aromatic carboxylic acid and the acid halide derivative of the aromatic carboxylic acid of the present invention are represented by the general formulas (1) and (2), respectively.
- A is a formula
- R 1 is a hydrogen atom, an alkyl group or an aromatic group
- R 2 is an alkyl group or an aromatic group
- X in the general formula (2) represents a halogen atom.
- the aromatic carboxylic acid represented by the general formula (1) has a general formula (1-1)
- an acid chloride derivative in which X is a chlorine atom is preferable in practical use.
- the alkyl group and the aromatic group represented by R ′, and the alkyl group and the aromatic group represented by R 2 include an alkyl group and a propyl group.
- the acid halide derivative of the aromatic carboxylic acid represented by 1) can be produced by the following route.
- D in general formula (3) represents a leaving group
- R in general formulas (3) and (5) represents a lower alkyl group, preferably a methyl group
- E in general formulas (4) and (5) represents trimethylsilyl.
- M represents an alkali metal
- R ′ in the general formulas (6), (111) and (2-1) represents a hydrogen atom, an alkyl group or an aromatic group
- the general formula (2-1) X in the above represents a halogen atom, preferably a chlorine atom.
- the compound represented by the general formula (5) is obtained by the coupling reaction represented by the general formula (4).
- a catalyst for example, a transition metal catalyst such as palladium can be used.
- the leaving group D is preferably a group which is easily removed from an aromatic ring by a coupling reaction under this catalyst, and is preferably a halogen such as fluorine, chlorine, bromine or iodine, or a trifluoromethanesulfonoxy group. Preferred are mentioned.
- the substituent E include a group that functions as a protecting group. In this case, a trimethylsilyl group, a hydroxypropyl group, or the like is preferably selected, and the substituent E includes an aromatic group or an alkyl group.
- the aromatic group include a phenyl group, a naphthyl group, an anthryl group, a quinolyl group, and a quinoxalyl group.
- this compound is subjected to a dealkylation reaction from a carboxylic acid ester group using an alkali metal hydroxide, and when the E group in the compound represented by the general formula (5) is a protecting group, By performing the deprotection simultaneously, an alkali metal salt of an isophthalic acid derivative represented by the general formula (6) is obtained.
- aromatic carboxylic acid represented by the general formula (1-1) is further treated by acid-treating the alkali metal salt of the isofluoric acid derivative represented by the general formula (6), and a halogenating agent, Can be treated with a chlorinating agent to obtain an acid halide derivative, preferably an acid chloride derivative, represented by the general formula (2-1).
- the dialkyl isofluorate in which the 5-position on the benzene ring represented by the general formula (3) is substituted with D is represented by the following reaction formula when the leaving group D is a trifluoromethanesulfonoxy group.
- [D 1 is a halogen atom, and R is a lower alkyl group. ]
- dialkyl 5-hydroxyisophthalate first, dialkyl 5-hydroxyisophthalate is used.
- [Formula (11)] and a base are dissolved in a solvent, and-to a solution cooled to about 78 ° C to 10 ° C, trifluoromethanesulfonic anhydride [formula (12)] is added, and the solution is added at 0 ° C or lower.
- the reaction is carried out in a temperature range not higher than the boiling point of the solvent. At this time, the reaction time is not particularly limited.
- a dialkyl 5-trifluoromethanesulfo dioxyxisophthalate By subjecting the reaction product thus obtained to ordinary separation means, for example, extraction, liquid separation, concentration, etc., a dialkyl 5-trifluoromethanesulfo dioxyxisophthalate can be obtained. .
- this can be purified by recrystallization, column chromatography, etc. can do.
- the amount of trifluoromethanesulfonic acid anhydride to be used is preferably 1 to 1.5 equivalent times based on the dialkyl 5-hydroxyisophthalate.
- a tertiary amine having no active hydrogen is preferable, and specific examples thereof include pyridines such as pyridine and methyl pyridine, and trialkylamines such as triethylamine and triptyluamine.
- the amount used is preferably 1 to 1.5 equivalent times based on the total amount of the dialkyl 5-hydroxysulfuric acid ester and the trifluoromethanesulfonic anhydride.
- Solvents include aromatic hydrocarbons such as benzene, toluene, n-hexane, cyclohexane, petroleum ether, ethyl ether, tetrahydrofuran, dichloromethane, 1,2-dichloromethane, and chloroform, hydrocarbons, ethers, and the like.
- a solvent inert to the reaction such as a halogenated hydrocarbon, may be used alone or in a mixture thereof. The amount of the solvent is not particularly limited.
- reaction reagent trifluoromethanesulfonate anhydride trifluoromethanesulfonate anhydride
- reaction equivalent ratio changes.
- the dialkyl ester of 5-isobutyl moisofluorate or the dialkyl 5-trifluoromethanesulfonyloxyisophthalate obtained above is combined with the dialkyl ester of the general formula (5).
- a reaction product is obtained by performing a force-pulling reaction in a temperature range of about 150 ° C. At this time, the reaction time is not particularly limited.
- the reaction product thus obtained can be obtained.
- a separation operation such as concentration and reprecipitation
- a compound in which one side of acetylene represented by the general formula (4) is protected with a protecting group E There is no particular limitation as long as the protecting group E is a compound that can be deprotected with a hydroxide of an alkali metal. —Butyn-1-ol is preferred.
- C The compound represented by the general formula (4) is calculated to be 1 equivalent equivalent to the compound represented by the general formula (3), but the reaction is It is advisable to adjust the addition amount in the range of 1 to 2 equivalent times in order to proceed completely.
- any catalyst system capable of forming a carbon-carbon bond can be used without any particular limitation, but a catalyst system composed of dichlorobis (triphenylphosphine) palladium, copper iodide and triphenylphosphine is used. Is desirable.
- Dichlorobis (triphenylphosphine) The amount of palladium to be added is not particularly limited, but is 0.1 to 1 mol% with respect to the compound represented by the general formula (5).
- Phosphine The range of 1 to 20 equivalent times of palladium and the range of 1 to 5 equivalent times of copper iodide are preferable.
- an amine-based solvent is preferably used in order to capture a generated acid and promote a catalytic reaction.
- a solvent include tertiary amines such as getylamine, triethylamine, butylamine, and triptylamine, and cyclic amines such as pyridine and pyridine. These solvents are used alone or in combination of two or more.
- the amount of use is not particularly limited, but is preferably 2 to 50 times the weight of the raw material. It is desirable that these solvents be distilled in advance in order to prevent side reactions and deactivation of the catalyst.
- a compound represented by the general formula (5) is prepared by using a compound represented by the following general formula (5)
- the E group is a protecting group such as a trimethylsilyl group or a hydroxypropyl group
- ethynyl is used.
- the reaction product is obtained by simultaneously deprotecting the group.
- the reaction temperature and the reaction time are not particularly limited, but the reaction temperature is preferably in the range from room temperature to the reflux temperature of the solvent.
- the obtained reaction product was separated from crystals precipitated by cooling, and methanol, ethanol, By washing with an alcoholic solvent such as butanol and isopropanol and then drying, an alkali metal salt of an isophthalic acid derivative represented by the general formula (6) can be obtained.
- the alkali metal hydroxide potassium hydroxide and sodium hydroxide are preferred, and the amount of addition is preferably at least 3 equivalents to the compound represented by the general formula (5).
- the reaction solvent is not particularly limited as long as it is not an ester that reacts with the alkali metal hydroxide, but has high solubility of the alkali metal hydroxide, methanol, ethanol, and butanol. Alcohol solvents such as isopropanol are preferred.
- the amount of the solvent is not particularly limited, but is preferably in the range of 5 to 50 times the weight of the compound represented by the general formula (5) due to the problem of operability.
- the aromatic carboxylic acid represented by the general formula (1-1) of the present invention is obtained by dissolving the alkali metal salt of the isophthalic acid derivative obtained above (formula (6)) in water, adding hydrochloric acid, sulfuric acid,
- the precipitate can be obtained by performing an acidification treatment with an acid such as nitric acid, preferably to pH 1, to obtain a precipitate, which is collected by filtration, washed, and dried.
- an ethynyl moiety may undergo a side reaction such as an addition reaction or polymerization.
- the acid halide derivative of the carboxylic acid represented by the general formula (2-1) of the present invention is obtained by converting the alkali metal salt of the isofluoric acid derivative obtained above (formula (6)) into a solvent or After reacting in a temperature range of about 0 to 70 ° C using an excess amount of a halogenating agent as a solvent, the solvent is distilled off, and the obtained solid is washed with a solvent and further recrystallized. In, you can get. Further, instead of the alkali metal salt of the isofluoric acid derivative represented by the general formula (6), an aromatic carboxylic acid represented by the general formula (1-1) may be used.
- halogenating agent a thionyl halide, oxalyl halide, or the like is preferable.
- the amount of the halogenating agent to be used is usually based on the alkali metal salt of the isofluoric acid derivative represented by the general formula (6). It is 2 equivalent times or more, and there is no particular upper limit. When the solvent is not used, it may be used in a large excess of 10 equivalent times or more.
- the solvent is not particularly limited.
- solvents such as benzene, toluene, and xylene Examples include aromatic hydrocarbons, hydrocarbons such as pentane, hexane, cyclohexane, and petroleum ether; halogenated hydrocarbons such as dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloroethane, and cyclobenzene.
- solvents such as benzene, toluene, and xylene Examples include aromatic hydrocarbons, hydrocarbons such as pentane, hexane, cyclohexane, and petroleum ether; halogenated hydrocarbons such as dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloroethane, and cyclobenzene.
- Can be These can be used in any amount with respect to the alkali metal salt of the isophthalic acid derivative represented by the general formula (6).
- a base such as N, N-dimethylformamide or pyridine may be added to promote the reaction.
- a polymerization inhibitor such as hydroquinone or hydroquinone monomethyl ether may be added to suppress polymerization at the ethynyl moiety.
- an aromatic carboxylic acid represented by the general formula (1-1) obtained by acid-treating an alkali metal salt of an isofluoric acid derivative represented by the general formula (6) is converted into a halogenating agent.
- the acid halide derivative represented by the general formula (2-1) can be obtained.
- the halogenating agent a chlorinating agent is preferable from a practical viewpoint.
- aromatic carboxylic acid represented by the general formula (1-2) and the acid halide derivative of the aromatic carboxylic acid represented by the general formula (2-2) are produced by the following route. be able to.
- R in the general formula (7) represents a leaving group
- R 2 in the general formulas (8), (9), (10), (1-2) and (2-2) represents an alkyl group or an aromatic group
- M in the general formula (10) represents an alkali metal
- X in the general formula (2-2) represents a halogen atom, preferably Represents a chlorine atom
- R in each formula represents a lower alkyl group, preferably a methyl group.
- the dialkyl 5- (ditrophenoxy) isophthalate represented by (17) is obtained.
- This compound is diazotized by adding sodium nitrite in an acidic solution, and potassium iodide, sodium iodide, copper bromide or copper chloride is added to the compound represented by the general formula (7).
- a dialkyl 5-(-phenoxy) isophthalate, a dialkyl 5- (bromophenoxy) isofluorate or a dialkyl 5- (chlorophenoxy) isophthalate in which the group D is a halogen is obtained.
- the compound represented by the formula (19) is diazotized with sodium nitrite and heated under an acidic condition to give the compound represented by the formula (19) 5- ( Hydroxyphenoxy) dialkyl isophthalate is obtained.
- This compound is esterified with trifluoromethanesulfonic acid anhydride to give 5- (trifluoromethanesulfonyl) in the compound represented by the general formula (7), wherein the leaving group D is a trifluoromethanesulfonyloxy group.
- Dialkyl xyphenoxy) dialkyl isophthalate is obtained.
- a compound represented by the formula (9) is obtained.
- the substituent R 2 here is an aromatic group or an alkyl group, and the aromatic group is a phenyl group, a naphthyl group, an anthryl group, a quinolyl group, a quinoxalyl.
- Examples of the alkyl group include an ethyl group, a propyl group, and a butyl group.
- this compound is subjected to a dealkylation reaction from a carboxylic acid ester group using an alkali metal hydroxide to obtain an alkali metal salt of an isofluoric acid derivative represented by the general formula (10). .
- the aromatic carboxylic acid represented by the general formula (1-2) can be converted to a halogenating agent.
- an acid halide derivative preferably an acid chloride derivative, represented by the general formula (2-2)
- An example of the method for producing the aromatic carboxylic acid represented by the formula (1) and the acid halide derivative of the aromatic carboxylic acid represented by the formula (2-2) will be described.
- dialkyl 5- (nitrophenoxy) isophthalate represented by the formula (17) is a dialkyl 5-hydroxyisophthalate.
- the 5- (aminophenoxy) disulfuric acid dialkyl ester represented by the formula (18) is a 5- (nitrophenoxy) isophthalic acid dialkyl ester [formula
- a solvent such as tetrahydrofuran, tetrahydrofuran / ethanol (or alcohol such as methanol), a solvent such as N, N-dimethylformamide, and a catalyst such as palladium-activated carbon or platinum-activated carbon in a hydrogen atmosphere. It is obtained by doing.
- the reaction time and the amount of the solvent are not particularly limited.
- the amount of the catalyst to be used is preferably 0.1 to 10 mol% based on the 5- (aminophenoxy) isophthalic acid dialkyl ester.
- a dialkyl 5- (aminophenoxy) isophthalate can be obtained by treating a dialkyl 5- (nitrophenoxy) isophthalate with tin or tin chloride under acidic conditions.
- the leaving group D is iodine.
- 5-(iodophenoxy) isophthalic acid dialkyl ester) Reacts the above-mentioned dialkyl ester of 5- (aminophenoxy) isophthalic acid [formula (18)] with an aqueous solution of mineral acid and sodium nitrite to obtain a diazodium mineral acid salt, Alternatively, by reacting with sodium iodide, nitrogen gas is generated, and dialkyl 5 _ (iodophenoxy) isophthalate is obtained.
- Examples of the mineral acid include sulfuric acid, hydrochloric acid, nitric acid, and hydrobromic acid, and the amount of the mineral acid is not limited.
- the amounts of the sodium nitrite and the sodium iodide or sodium iodide are preferably 1 to 2 equivalents to the dialkyl 5- (aminophenoxy) isophthalate.
- Examples of the compound represented by the general formula (7), wherein the leaving group D is bromine and chlorine, dialkyl 5- (promophenoxy) isophthalate and dialkyl 5- (chlorophenoxy) isophthalate are as described above. It can be obtained by using copper bromide and copper chloride instead of iodium or sodium iodide in the reaction examples.
- dialkyl ester of 5- (trifluoromethylsulfonyloxyphenoxy) isoflurate in which the leaving group D is a trifluoromethanesulfonyloxy group examples include, first, dialkyl 5- (aminophenoxy) isophthalate. The ester [formula (18)] is reacted with a mineral acid and sodium nitrite to obtain diazodium mineral acid salt, which is heated under acidic conditions to give 5- (hydroxyphenol). A dialkyl isophthalate [formula (19)] is obtained.
- Examples of the mineral acid include sulfuric acid, hydrochloric acid, and nitric acid, and the amount of the mineral acid is not limited.
- the amount of the sodium nitrite to be used is preferably 1 to 2 equivalents relative to the dialkyl 5_ (aminophenoxy) isofluorate.
- a solution prepared by dissolving 5- (hydroxyphenoxy) isophthalic acid dialkyl ester [formula (19)] and a base in a solvent and cooling the mixture to a temperature of about 178 ° C to about 10 ° C is added to a solution of trifluorene.
- the reaction is carried out at a temperature in the range of 0 ° C to the boiling point of the solvent.
- reaction product thus obtained is subjected to ordinary separation means, for example, extraction, separation, concentration and the like, to give 5- (trifluoromethanesulfo-two-port xyphenoxy) isofluric acid dialkyl ester. Obtainable.
- this can be purified by recrystallization, column chromatography or the like, if necessary.
- the amount of the trifluoromethanesulfonic acid anhydride to be used is preferably 1 to 1.5 equivalent times based on the dialkyl 5- (hydroxyphenoxy) isophthalate.
- the base is preferably a tertiary amine having no active hydrogen, and specific examples thereof include pyridines such as pyridine and methylpyridine, and trialkylamines such as triethylamine and triptylamine.
- the amount is preferably in the range of 1 to 1.5 equivalent times based on the total amount of the dialkyl 5- (hydroxyphenoxy) isophthalate and trifluoromethanesulfonic anhydride.
- the solvent examples include aromatic hydrocarbons such as benzene, toluene, n-hexane, cyclohexane, petroleum ether, ethyl ether, tetrahydrofuran, dichloromethane, 1,2-dichloromethane, and chloroform, hydrocarbons, and ethers. And a solvent inert to the reaction, such as a halogenated hydrocarbon, or a mixture thereof.
- the amount of the solvent is not particularly limited.
- the dialkyl 5- (iodophenoxy) isophthalate or the dialkyl 5- (trifluoromethanesulfonate xylphenoxy) isoflurate obtained above is used.
- the reaction can be carried out by conducting a
- the compound represented by the general formula (8) includes ethynylbenzene, ethynylnaphthalene, ethynylanthracene, ethynylquinoline, ethynylquinoxaline, 1-butene, 1-pentyne, 3,3-dimethyl-1 —Butyne, 1-hexyne and the like, and the amount of use thereof is preferably 1 to 1.5 equivalents to the compound represented by the general formula (7).
- the amount of the alkali metal hydroxide to be added is usually at least 2 equivalent times the compound represented by the general formula (9).
- the acid halide derivative of the carboxylic acid represented by the general formula (2-2) is an alkali metal salt of the isofluoric acid derivative represented by the general formula (10) obtained above.
- the reaction can be carried out in a solvent or by using an excess amount of a halogenating agent as a solvent.
- an aromatic carboxylic acid represented by the general formula (1-2) may be used in place of the alkali metal salt of the isofluoric acid derivative represented by the general formula (10).
- a chlorinating agent is preferable from a practical viewpoint.
- the obtained compound was subjected to melting point measurement, 'H-NMR 13 C-NMR, measurement of various spectra by MS and elemental analysis for characteristic evaluation.
- the measurement conditions for each characteristic were as follows.
- Mass spectrometry Measured by the field desorption (FD) method using JMS-700 manufactured by JEOL Ltd.
- reaction temperature was raised to 0 ° C for 1 hour, and further raised to room temperature for 5 hours.
- the obtained reaction mixture was poured into 4 liters of ice water, and an aqueous layer and an organic layer were separated. Further, the aqueous layer was extracted twice with 500 ml of toluene, and this was combined with the organic layer.
- the organic layer was washed twice with 3 L of water, dried over 100 g of anhydrous magnesium sulfate, and anhydrous magnesium sulfate was removed by filtration.Toluene was distilled off on a rotary evaporator overnight, followed by drying under reduced pressure to obtain a pale yellow solid.
- a 2-liter four-necked flask equipped with a thermometer, a Dimroth condenser, and a stirrer was charged with 80 g (0.3 mol) of di-potassium 5-ethynylisofluorate and 400 liters of chloroform at 0 ° C. And cooled. To this, 391 g (4.5 mol) of thionyl chloride was added dropwise at 5 ° C or lower over 1 hour. Thereafter, 4 ml of dimethylformamide and 4 g of hydroquinone were added, and the mixture was stirred at 45 to 50 ° C for 3 hours.
- the vector data of the obtained 5-ethynylisophthalic acid and 5-ethynylphthalic dichloride are shown below. These data support that the obtained compound is the target compound.
- a 4-necked 1-liter flask equipped with a thermometer, a stirrer, and a dropping funnel was charged with 99.18 g (0.55 mol) of 5-hydroxyisofluoric acid, 165 ml of 48% by weight hydrobromic acid, and 150 ml of distilled water, followed by stirring. .
- the flask was cooled to 5 ° C. or lower, and a solution prepared by dissolving 39.4 g (0.57 mol) of sodium nitrite in 525 ml of distilled water was added dropwise over 1 hour to obtain a diazonium salt aqueous solution.
- the flask was cooled to 0 ° C. or lower, and the above aqueous solution of diazonium salt was added dropwise over 2 hours. After the completion of the dropwise addition, the mixture was stirred at room temperature for 30 minutes and continuously refluxed for 30 minutes. After cooling, the precipitate was separated by filtration, washed twice with 2 L of distilled water, and the obtained white solid was dried under reduced pressure at 50 ° C for 2 days to obtain 117 g of a crude product. Used for the next reaction without purification.
- Example 2 The procedure of Example 1 was repeated, except that 125 g (0.365 mol) of dimethyl 5-bis (trifluoromethanesulfo) xoxyphthalate was replaced with 99.7 g (0.365 mol) of dimethyl 5-bromoisophthalate. g of 4- (3,5-bis (methoxycarbonyl) phenyl)-2-methyl-3-butyn-111-ol
- dipotassium 5-ethynylisophthalate, 5-ethynylisophthalic acid, and 5-ethynylisophthalic dichloride were obtained in the same manner as in Example 1.
- the appearance, melting point and 1 H-NMR, 13 C-NMR, IR, MS, and elemental analysis data of 5-ethynylisophthalic acid and 5-ethynylisophthalic dichloride are the same as those in Example 1. It shows that the same compound was obtained.
- Example 2 is the same as Example 2 except that 125 g (0.365 mol) of dimethyl 5-trifluoromethanesulfodioxyxisophthalate was changed to 99.7 g (0.365 mol) of dimethyl 5-bromoisophthalate obtained in the same manner as in Example 3. In the same manner, 80.8 g of 1- (3,5-bis (methoxycarbonyl) phenyl) -12-phenylene was obtained (yield: 75%).
- reaction temperature The temperature was raised to 0 ° C, and the reaction was carried out for 1 hour and then to room temperature for 5 hours.
- the obtained reaction mixture was poured into 40 Oml of ice water, and an aqueous layer and an organic layer were separated. Further, the aqueous layer was extracted twice with 10 Oml of toluene, and this was combined with the organic layer.
- the organic layer was washed twice with 300 ml of water, dried over anhydrous magnesium sulfate, the solvent was distilled off under reduced pressure, and recrystallized from hexane. The filtered solid was dried under reduced pressure at 50 ° C for 1 day to obtain 26.14 g of a product.
- Example 5 [Production of dimethyl 5- (4- (2-phenylenyl) phenoxy) isoflurate]
- 24.73 g (0.06 mol) of dimethyl 5- (4-iodophenoxy) isophthalate In the same manner as in Example 5 except that the above was changed to 26.06 g (0.06 mol) of dimethyl 5- (4-trifluoromethanesulfo-dioxyxphenoxy) isophthalate obtained above.
- Ruethynyl) phenoxy) isodimethyl dimethylphosphate was obtained.
- an aromatic carboxylic acid and an acid halide derivative thereof useful as a raw material of a polymer compound, particularly a condensation polymer compound having excellent heat resistance.
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Application Number | Priority Date | Filing Date | Title |
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US10/432,516 US6949674B2 (en) | 2000-11-27 | 2001-11-26 | Aromatic carboxylic acids, acid halides thereof and processes for preparing both |
KR1020037007032A KR100807454B1 (ko) | 2000-11-27 | 2001-11-26 | 방향족 카르복실산, 그의 산할로겐화물 유도체 및 그의제조방법 |
AU2002224097A AU2002224097A1 (en) | 2000-11-27 | 2001-11-26 | Aromatic carboxylic acids, acid halides thereof and processes for preparing both |
EP01997472A EP1346975A4 (en) | 2000-11-27 | 2001-11-26 | AROMATIC CARBONIC ACIDS, THE ACID HALOGENIDES AND METHOD FOR PRODUCING THESE COMPOUNDS |
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JP2000359089A JP3824483B2 (ja) | 2000-10-31 | 2000-11-27 | 芳香族カルボン酸とその酸塩化物、および合成法 |
JP2000-359089 | 2000-11-27 | ||
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JP2001067606A JP4644957B2 (ja) | 2001-03-09 | 2001-03-09 | 芳香族カルボン酸及びその酸塩化物誘導体、並びにそれらの合成法 |
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US4587312A (en) * | 1984-05-23 | 1986-05-06 | The United States Of America As Represented By The National Aeronautics And Space Administration | Sulfone-ester polymers containing pendent ethynyl groups |
JPS62292834A (ja) * | 1986-06-13 | 1987-12-19 | Hitachi Ltd | 架橋可能なポリエ−テルアミド |
US20020013443A1 (en) * | 2000-03-29 | 2002-01-31 | Masako Okanuma | Precursor of a heat resistant resin, heat resistant resin, insulating film and semiconductor device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4622182A (en) * | 1984-05-23 | 1986-11-11 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | 5-(4-ethynylophenoxy)isophthalic chloride |
EP1327653A4 (en) | 2000-09-21 | 2004-05-19 | Sumitomo Bakelite Co | HEAT RESISTANT RESIN PRECURSOR, HEAT RESISTANT RESIN, INSULATING LAYER AND SEMICONDUCTOR DEVICE |
-
2001
- 2001-11-26 CN CNB018190308A patent/CN1200925C/zh not_active Expired - Fee Related
- 2001-11-26 KR KR1020037007032A patent/KR100807454B1/ko not_active IP Right Cessation
- 2001-11-26 AU AU2002224097A patent/AU2002224097A1/en not_active Abandoned
- 2001-11-26 US US10/432,516 patent/US6949674B2/en not_active Expired - Fee Related
- 2001-11-26 WO PCT/JP2001/010287 patent/WO2002042251A1/ja active Application Filing
- 2001-11-26 EP EP01997472A patent/EP1346975A4/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4587312A (en) * | 1984-05-23 | 1986-05-06 | The United States Of America As Represented By The National Aeronautics And Space Administration | Sulfone-ester polymers containing pendent ethynyl groups |
JPS62292834A (ja) * | 1986-06-13 | 1987-12-19 | Hitachi Ltd | 架橋可能なポリエ−テルアミド |
US20020013443A1 (en) * | 2000-03-29 | 2002-01-31 | Masako Okanuma | Precursor of a heat resistant resin, heat resistant resin, insulating film and semiconductor device |
Non-Patent Citations (2)
Title |
---|
CRISP, GEOFFREY T. ET AL.: "Palladium-catalyzed coupling of terminal alkynes with aryl halides aided by catalytic zinc", J. ORGANOMET. CHEM., vol. 570, no. 2, 1998, pages 219 - 224, XP004142851 * |
See also references of EP1346975A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR100807454B1 (ko) | 2008-02-25 |
EP1346975A1 (en) | 2003-09-24 |
US20040068139A1 (en) | 2004-04-08 |
EP1346975A4 (en) | 2004-03-31 |
KR20040014421A (ko) | 2004-02-14 |
AU2002224097A1 (en) | 2002-06-03 |
CN1200925C (zh) | 2005-05-11 |
US6949674B2 (en) | 2005-09-27 |
CN1474800A (zh) | 2004-02-11 |
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