WO2005023746A1 - ノルボルネン又はノルボルナン構造を有するジカルボン酸若しくはその誘導体の立体異性体を分離する方法 - Google Patents
ノルボルネン又はノルボルナン構造を有するジカルボン酸若しくはその誘導体の立体異性体を分離する方法 Download PDFInfo
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- WO2005023746A1 WO2005023746A1 PCT/JP2004/012843 JP2004012843W WO2005023746A1 WO 2005023746 A1 WO2005023746 A1 WO 2005023746A1 JP 2004012843 W JP2004012843 W JP 2004012843W WO 2005023746 A1 WO2005023746 A1 WO 2005023746A1
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- dicarboxylic acid
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/36—Systems containing two condensed rings the rings having more than two atoms in common
- C07C2602/42—Systems containing two condensed rings the rings having more than two atoms in common the bicyclo ring system containing seven carbon atoms
Definitions
- the present invention relates to a method for separating an exo-form and an endo-form of a dicarboxylic acid having a norbornene or norbornane structure or a derivative thereof.
- the present invention also relates to a method for separating an exo-form and an endo-form of a salt of a dicarboxylic acid having a norbornene or norbornane structure.
- the present invention relates to an endo-form or exo-form of norbornene or a dicarboxylic acid having a norbornane structure or a derivative thereof obtained by using the above method and purified to a high purity.
- Norbornene or a dicarboxylic acid having a norbornane structure or a dicarboxylic acid anhydrate is useful as a raw material for agricultural chemicals or an industrial raw material. It is known that dicarboxylic acids or dicarboxylic anhydrides having a norbornene or norbornane structure exist as endo isomers and exo isomers having different melting points and reactivity as stereoisomers.
- a dicarboxylic acid anhydride having a norbornene structure for example, a product obtained by reacting 5-norbornene-1,3-dicarboxylic acid anhydride with an amine compound, followed by ring-opening polymerization has a high glass transition point, a low dielectric constant, etc.
- the ability to obtain an imide compound useful as an electronic material having the characteristics of S The ability to S S, the three-dimensional structure of 5-norbornene-2,3-dicarboxylic acid anhydride, the polymerization reactivity and the properties of the resulting polymer may vary. Known (eg, “Macromolecules” (USA), 25 ⁇ , 1992, p5150).
- this 5_norbornene-2,3-dicarboxylic acid or its anhydride is prepared by Diels' Alder reaction of maleic acid or maleic anhydride and cyclopentagen, and contains a small amount of its exo form. A product in which the endo-form is the main component is obtained.
- 5_norbornene-exo_2,3-dicarboxylic acid or its anhydride which is the main component obtained by the previous Diels' Alder reaction, is usually used.
- 3-Dicarboxylic acid or its anhydride and a small amount of 5_norbornene-exo _2, 3 -Dicarboxylic acid or its mixture is heated alone or with decalin etc. to thermally isomerize the end form to the exo form (See, for example, “The Journal of the American Chemical Society” (USA), 1963, pl 5-116).
- a dicarboxylic acid or acid anhydride having a norbornane structure is generally prepared by hydrogenating, for example, 5_norbornene-2,3-dicarboxylic acid or its anhydride obtained by the Diels' Alder reaction described above. In this way, a product containing a small amount of the exo form, the end form of which is the main component, is obtained. Therefore, similarly for dicarboxylic acids or acid anhydrides having a norbornane structure, it is difficult to efficiently extract a low-ratio, stereoisomer with high purity from a mixture of endo and exo isomers. There was a problem.
- the present invention solves the above-mentioned problems, and efficiently enhances any one stereoisomer from a mixture containing an endo isomer and an exo isomer of norbornene or a dicarboxylic acid having a norbornane structure or a derivative thereof. It aims at providing the method of taking out with purity.
- Another object of the present invention is to efficiently extract one stereoisomer with high purity from a mixture containing an endo isomer and an exo isomer of a salt of norbornene or a dicarboxylic acid having a norbornane structure.
- Another object of the present invention is to provide an endo form of a dicarboxylic acid having a norbornene or norbornane structure or a derivative thereof, which is separated with high purity.
- an object of the present invention is to provide an exo form of a dicarboxylic acid having a norbornene or norbornane structure or a derivative thereof, which is separated with high purity.
- a method for separating an endo isomer and an exo isomer comprising a step of stirring and mixing a mixture mainly containing an exo isomer of a dicarboxylic acid or a derivative thereof, a basic compound and a solvent.
- R represents a hydrogen atom, a methyl group, an ethyl group or a butyl group.
- R ′ represents a hydrogen atom, a methylol group, an ethyl group or a butyl group.
- a method for separating the above endo-form and exo-form which comprises a step of stirring and mixing a mixture mainly containing an endo-form and an exo-form of an acid or a derivative thereof, a basic compound and a solvent.
- a method for separating an endo isomer and an exo isomer of a dicarboxylic acid represented by the general formula (2) or a derivative thereof, which is represented by the general formula (2) comprises a step of stirring and mixing a mixture mainly containing an endo isomer and an exo isomer of a dicarboxylic acid or a derivative thereof, and a basic compound and a solvent.
- a method for separating an endo-exo from an endo-iso is provided.
- R represents a hydrogen atom, a methyl group, an ethyl group or a butyl group.
- R ′ represents a hydrogen atom, a methylol group, an ethyl group or a butyl group.
- a method for separating an endo isomer and an exo isomer of a salt of a dicarboxylic acid represented by the general formula (1), the dicarboxylic acid represented by the general formula (1) comprising a step of stirring and mixing a mixture mainly containing an endo-form and an exo-form of an acid salt and a solvent.
- a method for separating an endo isomer and an exo isomer of a salt of a dicarboxylic acid represented by the general formula (2) which is represented by the general formula (2).
- a method for separating the endo isomer and the exo isomer comprising a step of stirring and mixing a mixture mainly containing an endo isomer and an exo isomer of a dicarboxylic acid salt.
- the mixture obtained by the step of stirring and mixing is filtered, and the dicarboxylic acid represented by the general formula (1) or (2) as a liquid phase is filtered.
- the dicarboxylic acid represented by the general formula (1) or (2) as a liquid phase is filtered.
- the method for separating the endo isomer from the exo isomer is further obtained from the dicarboxylic acid salt endo isomer or exo isomer represented by the general formula (1) or (2) from the general formula (1) or ( A step of obtaining an endo or exo form of the dicarboxylic acid represented by 2) may be included.
- the method for separating the endo isomer from the exo isomer further includes the general formula (1) or exo isomer of the dicarboxylic acid or salt thereof represented by the general formula (1) or (2).
- a step of obtaining an endo isomer or exo isomer of the dicarboxylic acid anhydride represented by (2) may be included.
- the method for separating the endo isomer and the exo isomer of the dicarboxylic acid represented by the general formula (1) or (2) of the present invention or its derivative is a dicarboxylic acid represented by the general formula (1) or (2).
- endo derivatives of the derivatives hereinafter also referred to as “general formula (1) or (2) type endo”
- exo of dicarboxylic acids represented by general formula (1) or (2) or derivatives thereof hereinafter also referred to as “general formula (1) or (2) class exo”
- general formula (1) or (2) class mixture represents basic A step of stirring and mixing the compound and the solvent.
- R 1 -R represents a hydrogen atom, a methylol group, an ethyl group or a butyl group.
- R—R is all
- R 1 8 1 8 and a force that is simultaneously a hydrogen atom, or any one of R 1 -R is a methyl group, an ethyl group or
- R 1 -R is a hydrogen atom.
- R ′ represents a hydrogen atom, a methyl group, an ethyl group or a butyl group.
- R′—R ′ is a hydrogen atom.
- the dicarboxylic acid represented by the general formula (1) or (2) or a derivative thereof is represented by the dicarboxylic acid represented by the general formula (1) or a derivative thereof, or the general formula (2).
- a dicarboxylic acid represented by the general formula (1) or (2) or a derivative thereof, which is a mixture containing these endo-forms and exo-forms is a mixture of V and deviation. However, it is possible to separate the end body and the exo body.
- the mixture of the general formula (1) or (2) type used in the present invention is not particularly limited.
- the dicarboxylic acid or its derivative represented by the general formula (1) is maleic acid or
- the dicarboxylic acid represented by the general formula (2) or a derivative thereof can be obtained by Diels' Alder reaction between maleic acid maleic acid and cyclopentagen, and the dicarboxylic acid represented by the general formula (1) described later. Alternatively, it can be obtained by a hydrogenation reaction of a derivative thereof.
- R 1 are hydrogen atoms.
- R 1 is preferably a methyl group.
- R and one R are hydrogen atoms, or R, one and R
- 1 10 1 10 or 1 is preferably a methyl group.
- the general formula (1) or (2) class endo isomer and the general formula (1) or (2) class exo isomer may be used alone or in admixture of two or more. it can.
- the mixing ratio of the general formula (1) or (2) endo isomer and the general formula (1) or (2) exo isomer is arbitrary, but [general formula (1) or (2) exo isomer Isomer] / ([general formula (1) or (2) exo isomer] + [general formula (1) or (2) genus endo]]) X 100 [%] general formula (1) or ( 2)
- the exo stereoisomer ratio [%] is preferably in the range of 1% to 99%. More preferably, it is 3% or more and 97% or less.
- the derivative of the dicarboxylic acid represented by the general formula (1) or (2) refers to an anhydride or salt of the dicarboxylic acid represented by the general formula (1) or (2).
- the dicarboxylic acid salt may be a dicarboxylic acid monocarboxylate or a dicarboxylate, or may be a mixture of a monocarboxylate and a dicarboxylate.
- dicarboxylic acid salts include dicarboxylic acids and alkali metal salts such as sodium, potassium and lithium, dicarboxylic acids and alkaline earth metal salts such as magnesium and calcium, dicarboxylic acids and ammonium, trimethylammonium and tetramethylammonium. Ammonium salts such as um can be mentioned, and these can be used alone or in admixture of two or more.
- the dicarboxylic acid represented by the general formula (1) or (2) or a derivative thereof includes the dicarboxylic acid represented by the general formula (1) or (2), an anhydride of the dicarboxylic acid, and It includes at least one selected from the group consisting of dicarboxylic acid salts, and includes all of the dicarboxylic acid, dicarboxylic acid anhydride, and dicarboxylic acid salt represented by the general formula (1) or (2). May be.
- the mixture of the general formula (1) or (2) class of the present invention includes at least an endo isomer of a dicarboxylic acid, an endo isomer of a dicarboxylic anhydride, and a dicarboxylic acid end product represented by the general formula (1) or (2). It is preferable to include any one of an exo isomer or an exo isomer of a dicarboxylic acid anhydride.
- exo isomers for example, raw materials used in Diels' Alder reaction, such as maleic acid, maleic anhydride, citraconic acid, citraconic anhydride, cyclopentagen, methylcyclopentadiene, dicyclopenta Succinic acid, succinic anhydride, methyl succinic anhydride, methyl succinic anhydride, tricyclo [5. 2. 1. 0 2 ' 6 ] decane, methylcyclopentadiene dimer, etc.
- a small amount of the hydride or the like may be contained within a range in which the general formula (1) or (2) class endo isomer and the general formula (1) or (2) class exo isomer can be separated.
- Examples of the basic compound used in the present invention include alkali metal hydroxides such as lithium hydroxide, sodium hydroxide and potassium hydroxide, lithium hydrogen carbonate, sodium hydrogen carbonate, potassium hydrogen carbonate and carbonic acid carbonate.
- Carbonates such as lithium, sodium carbonate and potassium carbonate, acetates such as lithium acetate, sodium acetate and potassium acetate, phosphates such as lithium phosphate, sodium phosphate and potassium phosphate, trimethylamine, triethylamine, pyridine, Amines such as piperidine, ammonia and the like can be mentioned.
- sodium hydroxide which is preferably an alkali metal hydroxide.
- the basic compound is most preferably added as an aqueous solution that is preferably added as a solution that is preferably held as a liquid.
- the solvent used for dissolving the basic compound is also included in the amount of the solvent described later.
- the basic compound is preferably used in an amount of 0.35 to 8 equivalents relative to the mixture of the general formula (1) or (2) type. If the amount of the basic compound used is less than the above range, the general formula (1) or (2) type endo isomers may not be sufficiently dissolved and separation may be difficult. The stereoisomer ratio of may decrease.
- the general formula (1) or (2) class mixture or the general formula (1) or (2) class equivalent in the present invention is equivalent to the basic formula (1) or (2) class mixture. Equivalent amount after adding compound and solvent and stirring and mixing. Mixture of general formula (1) or (2) When a rubonic acid salt is contained, the salt is also included in the equivalent of the basic compound defined in the present invention.
- a water-miscible solvent together with water, which is preferably water.
- water-miscible solvent include alcohols such as methanol, ethanol, propyl alcohol, isopropyl alcohol, and butanol, ketones such as acetone, methyl ethyl ketone, and methyl isobutyl ketone, ethylene glycol monomethyl ether, and ethylene glycol monomer.
- glycol derivatives such as tilether, esters such as ethyl acetate and isopropyl acetate, amides such as N, N-dimethylformamide and N-methylol pyrrolidone, dimethyl sulfoxide, and acetonitrile.
- the amount of the solvent to be used is preferably 0.7 g or more and 20 g or less with respect to 6 mmol of the general formula (1) or (2) type mixture, depending on the solvent to be added and the amount thereof. If the amount of the solvent used is less than the above range, the reaction between the acid and the base may not sufficiently proceed and separation may be difficult, and if the amount exceeds the above range, the mixture will be completely dissolved and separation will be impossible. There is a case.
- the order in which the mixture of the general formula (1) or (2), the basic compound and the solvent is mixed may be in the order of lagging, but preferably after mixing the mixture and the solvent. It is desirable to keep the basic compound as a solution while stirring.
- the temperature at the time of stirring may be 0 ° C or higher, 120 ° C or lower than the boiling point of the solvent, and more preferably 30 ° C or higher and 90 ° C or lower.
- the reaction is performed at a temperature exceeding 120 ° C, the stereoisomerization reaction of the dicarboxylic acid represented by the general formula (1) or (2) or a derivative thereof may proceed, the general formula (1) or (2) This is because there is a possibility that decomposition of dicarboxylic acid or its derivative shown in FIG.
- the stirring time is preferably 5 minutes to 40 hours. If the reaction time is less than 5 minutes, the reaction between the basic compound and the dicarboxylic acid represented by the general formula (1) or (2) or a derivative thereof may not proceed sufficiently and separation may be difficult.
- the liquid phase is represented by the end of the general formula (1) Can be separated as a mixture containing a general formula (1) exo isomer and a general formula (2) exo isomer.
- a mixture of 5_norbornene-endo-2,3-dicarboxylic acid or a derivative thereof and norbornane-exo_2,3-dicarboxylic acid or a derivative thereof is 5_norbornene-endo-2
- Separation can be performed using 3-dicarboxylic acid or its derivative as a liquid phase and norbornane-exo-1,3-dicarboxylic acid or its derivative as a solid phase.
- 5_norbornene-endo-2,3-dicarboxylic 5_Norbornene-exo-2,3-dicarboxylic acid or its derivative and norbornane-exo-2,3-dicarboxylic acid or its derivative Using 3-dicarboxylic acid or its derivatives as the liquid phase, 5-norbornene-exo-1,2-dicarboxylic acid Its derivatives and norbornane one Ekiso _2 can be separated 3-dicarboxylic acid or a derivative thereof as a solid phase.
- the derivative of the dicarboxylic acid represented by the general formula (1) or (2) is isolated as a salt, and the isolated endo form of the salt of the dicarboxylic acid represented by the general formula (1) is separated.
- the exo form of the dicarboxylic acid salt represented by (1), the end isomer of the dicarboxylic acid salt represented by the general formula (2) or the exo form of the dicarboxylic acid salt represented by the general formula (2) When mixed with an acid, for example, hydrochloric acid, sulfuric acid, phosphoric acid or acetic acid, the corresponding end product of dicarboxylic acid represented by general formula (1), exo form of dicarboxylic acid represented by general formula (1), general formula It is possible to produce an endo isomer of the dicarboxylic acid represented by (2) or an exo isomer of the dicarboxylic acid represented by the general formula (2).
- a salt of 5-norbornene-endo-2,3-dicarboxylic acid a salt of 5-norbornenene-exo-1,3-dicarboxylic acid, a salt of norbornane-endo-2,3-dicarboxylic acid, or norbornane-exo-2
- the salt of 3-dicarboxylic acid can be mixed with an acid such as hydrochloric acid, sulfuric acid, phosphoric acid or acetic acid to give 5_norbornene end-2,3-didecanolenic acid or 5-norbornene exo-2, respectively.
- 3-dicarboxylic acid, norbornane-endo-2,3-dicarboxylic acid or norbornane-exo_2,3-dicarboxylic acid 3-dicarboxylic acid, norbornane-endo-2,3-dicarboxylic acid or norbornane-exo_2,3-dicarboxylic acid.
- an endo isomer or exo isomer of a dicarboxylic acid salt is dissolved in an aqueous solution containing an acid at 40-100 ° C, stirred for 1 minute and 40 hours, and then 0-35 ° C.
- the dicarboxylic acid endo-form or exo-form can be precipitated as crystals by cooling to low temperature.
- the obtained end product of the dicarboxylic acid represented by the general formula (1), the exo form of the dicarboxylic acid represented by the general formula (1), the dicarboxylic acid represented by the general formula (2) is heated by a general method, for example, as it is or together with acetic anhydride, after being made into a monoester in a solvent, By dehydration, etc., the corresponding end product of dicarboxylic acid anhydride represented by general formula (1), exo form of dicarboxylic acid anhydride represented by general formula (1), and general formula (2), respectively.
- an exo isomer of a dicarboxylic anhydride represented by the general formula (2) an exo isomer of a dicarboxylic anhydride represented by the general formula (2).
- the obtained 5_norbornene-end-2,3-dicarboxylic acid, 5-norbornene-exo-2,3-dicarboxylic acid, norbornane mono-end_2, 3-dicarboxylic acid or norbornane mono-exo_2, 3 The dicarboxylic acid is heated as it is or with acetic anhydride, and then heated to monoester in a solvent, followed by heating, etc.
- an endo or exo form of dicarboxylic acid is dissolved in acetic anhydride at 40 to 100 ° C, stirred for 1 minute to 40 hours, and then cooled to 0 to 35 ° C.
- acetic anhydride a polymer containing dicarboxylic acid
- the isolated endo form of the dicarboxylic acid salt represented by the general formula (1), the exo form of the dicarboxylic acid salt represented by the general formula (1), or the general formula (2) is heated by a general method, for example, with acetic anhydride as it is.
- Endoisomer of dicarboxylic anhydride represented by (1), exo isomer of dicarboxylic anhydride represented by general formula (1), end isomer of dicarboxylic anhydride represented by general formula (2) or general An exo form of the dicarboxylic acid anhydride represented by the formula (2) may be used.
- Preferred embodiments of the separation method of the present invention include, for example, the following.
- a method for separating an endo form of a dicarboxylic acid represented by the general formula (1) or a derivative thereof from an exo form wherein the endo form of the dicarboxylic acid represented by the general formula (1) or a derivative thereof (hereinafter referred to as “ And the exo isomer of dicarboxylic acid represented by the general formula (1) or a derivative thereof (hereinafter also referred to as “general formula (1) exo isomer”).
- a method for separating an endo-form and an exo-form, comprising a step of stirring and mixing a mixture comprising mainly (hereinafter also referred to as “general formula (1) class mixture”), a basic compound and a solvent.
- a method for separating an endo form of a dicarboxylic acid represented by the general formula (2) or a derivative thereof from an exo form wherein the endo form of the dicarboxylic acid represented by the general formula (2) or a derivative thereof (
- general formula (2) endo isomer also referred to as “general formula (2) endo isomer”
- exo isomer of dicarboxylic acid represented by general formula (2) or a derivative thereof hereinafter also referred to as “general formula (2) exo isomer”.
- a process comprising the step of stirring and mixing a mixture mainly containing a mixture of compounds (hereinafter also referred to as “general formula (2) mixture”), a basic compound and a solvent.
- a method for separating an endo isomer from an exo isomer comprising a step of stirring and mixing a mixture of the general formula (1) class, a basic compound and a solvent.
- R_R is a hydrogen atom 5_norbornene-end — 2, 3-
- the mixture mainly containing dicarboxylic acid or a derivative thereof and 5-norbornene-exo-1,3-dicarboxylic acid or a derivative thereof is not particularly limited, and Diels Alder of maleic acid or maleic anhydride and cyclopentagen. A mixture obtained by the reaction can be used.
- the mixture mainly containing 1,2-dicarboxylic acid or a derivative thereof and methyl-5_norbornene exoso 2,3-dicarboxylic acid or a derivative thereof is not particularly limited, and maleic acid or maleic anhydride and methylcyclohexane are not particularly limited. Mixtures obtained by Diels' Alder reaction with pentagen can be used.
- methyl-5_norbornene-endo-2,3 which is R or R-catayl group
- a mixture mainly containing dicarboxylic acid or a derivative thereof and methyl-5-norbornene-exo-1,3-dicarboxylic acid or a derivative thereof is not particularly limited, and Diels' Alder of citraconic acid or citraconic anhydride and cyclopentagen A mixture obtained by the reaction can be used.
- the mixture can be used, or obtained by Diels-Alder reaction. It is also possible to use a mixture in which the exo-isomer content is increased by thermal isomerization or photoisomerization of the obtained endo-isomer and exo-isomer mixture.
- the residue obtained by Diels' Alder reaction can be used after obtaining either structural isomer from the mixture obtained by Diels 'Alder reaction by the recrystallization method. You may use the residue after isolate
- the general formula (1) class endo isomer and the general formula (1) class exo isomer can be used alone or in admixture of two or more.
- Examples of the dicarboxylic acid represented by the general formula (1) include 5-norbornene-end_2, 3-dicarboxylic acid, 1-methyl-5_norbornene-end-2, 3-dicarboxylic acid, 2-methyl-5 —Norbornene-end— 2,3-Dicarboxylic acid, 3-Methylenole 5_Norbornene-end— 2,3-Dicarboxylic acid, 4-Methanole 5_Norbornene-end— 2,3-Dicarboxylic acid, 5-Methylenore 1 _Norbornene-end— 2, 3-dicarboxylic acid, 6-methyl-5_Norbornene-end— 2, 3-dicarboxylic acid, syn 7-methynole 5—norbornene-end— 2, 3-dicarboxylic acid, anti _7 —Methyl-5-norbornene-endo_2, 3-dicarboxylic acid, 5-norbornene-exo-2,
- 5-norbornene-end 2,3-dicarboxylic acid or a derivative thereof and 5-norbornene-exo 2,3-dicarboxylic acid or a derivative thereof are included as a mixture of general formula (1). It is preferable to use a mixture.
- the mixing ratio of the general formula (1) endo isomer and the general formula (1) exo isomer is arbitrary, but [general formula (1) exo isomer] / ([general formula (1) exo isomer Body] + [—general formula (1) endo isomer]) X 100 [%] exo stereoisomer ratio [%] is in the range of 1% to 99% It is preferable. More preferably 3. / 0 or more 97. / 0 or less.
- the basic compound is preferably used in an amount of 0.2 equivalent or more to the endo of the general formula (1) class and 8 equivalent or less to the mixture of the general formula (1) class. If the amount of the basic compound used is less than the above range, the endo of the general formula (1) may not be sufficiently dissolved, so that separation may be difficult. May decrease.
- the equivalent to the mixture of the general formula (1) class or the general formula (1) class endo isomer defined in the present invention is the equivalent after the basic compound and the solvent are added to the mixture of the general formula (1) class and stirred.
- the dicarboxylic acid salt represented by the general formula (1) is included in the mixture of the general formula (1) from the beginning, the salt is also defined in the present invention. It should be included in the equivalent amount of the compound.
- the basic compound is added to the mixture in an amount of 0.
- 0.3 mol of sodium hydroxide should be added.
- the amount of the solvent to be used depends on the solvent to be added and the amount thereof, but 0.7 g or more per 6 mmol of the mixture of the general formula (1) class, 10 g or 6 g of the general formula (1) class mixture.
- the amount of the end of the compound is 6g. If the amount of the solvent used is less than the above range, the reaction between the acid and the base may not proceed sufficiently and separation may be difficult, and if the amount exceeds the above range, the mixture will be completely dissolved and separation will be impossible. There is.
- the basic compound is preferably used in an amount of 0.6 to 8 equivalents relative to the mixture of the general formula (1) class.
- the solvent is preferably used in an amount of 0.7 g or more and 10 g or less with respect to 6 mmol of the mixture of general formula (1).
- the basic compound When obtaining an end product of the general formula (1) class having a high purity, the basic compound should be used in an amount of 0.6 equivalent to 2 equivalents relative to the mixture of the general formula (1) class. preferable.
- the solvent is 0.7 g or more per 6 mmol of the general formula (1) mixture, 4 g per 6 mmol of the general formula (1) mixture, or 8 g per 6 mmol of the general formula (1) endo compound. It is preferable to use multiple doses or less.
- the basic compound is 0.2 equivalent or more to the endo compound of the general formula (1), and 8 equivalents to the mixture of the general formula (1). It is preferable to use the following amount.
- the solvent is 0.7 g or more per 6 mmol of the general formula (1) mixture, 10 g of 6 mmol of the general formula (1) mixture, or 20 g of 6 mmol of the general formula (1) endo compound. It is preferable to use less than this amount.
- the basic compound is used in an amount of 0.85 equivalent or more relative to the endo compound of the general formula (1), and 2 equivalents or less based on the mixture of the general formula (1). It is more preferable to use such an amount.
- the solvent should be used in an amount of 4 g or 6 g of the general formula (1) class mixture and 6 g or less of the general formula (1) class mixture. Is more preferable.
- 2-methyl-5_norbornene-endo-2,3-dicarboxylic acid 2-methyl-5-norbornene-exo-2,3-dicarboxylic acid and 5_norbornene-exo-2,3-
- 2-methyl-5_norbornene-endo-2,3-dicarboxylic acid and 2-methyl-5_norbornene-exo-2,3-dicarboxylic acid and 5-nonole bornene-exo Isolated as a mixture of —2, 3-dicarboxylic acid.
- a method for separating an endo form and an exo form comprising a step of stirring and mixing a mixture of the general formula (2) type, a basic compound and a solvent.
- the mixture of the general formula (2) type used in the present invention is not particularly limited, and may be used in the form of les and shifts.
- a mixture obtained by hydrogenating a mixture of the general formula (1) class can be used as the mixture of the general formula (2) class.
- the mixture containing the derivative thereof and norbornane-1-exo-1,3-dicarboxylic acid or a derivative thereof is not particularly limited, and 5_norbornene-endo-2,3-dicarboxylic acid or a derivative thereof described above and 5 _ A mixture obtained by hydrogenating the 5-position double bond of norbornene-exo-2,3-dicarboxylic acid or its derivative can be used.
- Hydrogenation is performed by using a hydrogenation catalyst such as a metal catalyst, metal oxide or sulfide catalyst, or metal complex catalyst, and heating in a hydrogen atmosphere.
- a hydrogenation catalyst such as a metal catalyst, metal oxide or sulfide catalyst, or metal complex catalyst.
- the heating temperature is preferably 40 90 ° C.
- the general formula (2) endo isomer and the general formula (2) exo isomer can be used alone or in admixture of two or more.
- Examples of the dicarboxylic acid represented by the general formula (2) include norbornane mono-endo-2,3-dicanolevonic acid, 1-methyl-norbornane mono-end 1,2-3-carboxylic acid, 2-methyl-norbornenonan mono Endo 2,3-dicarboxylic acid, 3-Methylenonorbornane Endo 2,3-Dicanolenoic acid, 4-Methyl-norbornane end- 2,3-Dicarboxylic acid, 5-Methyl-norbornane end _2, 3— Dicarboxylic acid, 6-methylenonorbornane mono-end _2, 3-dicarboxylic acid, syn-one 7-methenolen norbornane mono-end, 2, 3-dicarboxylic acid, anti-7-methyl mononorbornane mono-end 2, 3-dicarboxylic Acid, norbornane exo-1,3-dicarboxylic acid, 1-methyl-norbornane exo-2,
- a mixture containing norbornane monoendo-2,3-dicarboxylic acid or a derivative thereof and norbornane exo_2,3-dicarboxylic acid or a derivative thereof is used as the mixture of the general formula (2) class.
- the mixing ratio of the general formula (2) endo isomer and the general formula (2) exo isomer is arbitrary, but [general formula (2) exo isomer] / ([general formula (2) exo isomer Body] + [general formula (2) endo isomer]) X 100 [%]
- the general formula (2) class exo stereoisomer ratio [%] may be in the range of 1% to 99%. preferable. More preferably 10% or more 90. / o or less.
- the basic compound is preferably used in an amount of 0.35 to 8 equivalents relative to the mixture of the general formula (2) class.
- amount of the basic compound used is less than the above range, the reaction between the acid and the base may not sufficiently proceed and separation may be difficult, and when the amount exceeds the above range, the stereoisomer ratio of the obtained solid phase may be reduced. There is.
- the equivalent to the mixture of the general formula (2) class or the general formula (2) class endo isomer defined in the present invention is the same as the mixture of the general formula (2) class mixture added with a basic compound and a solvent. If the dicarboxylic acid end or exo salt of the general formula (2) is included in the mixture of the general formula (2) from the beginning, the salt is also included. In the present invention, it is included in the equivalent amount of the basic compound defined in the above. For example, when a mixture of 0.9 mol of norbornane 2,3-dicarboxylic acid and 0.1 mol of norbornane 2,3-dicarboxylic acid monosodium salt is used as the mixture, the basic compound is adjusted to 0.5 equivalent of the mixture. For this purpose, 0.9 mol of sodium hydroxide may be added.
- the amount of the solvent to be used depends on the solvent to be added and the amount thereof, but it is preferable to use 0.7 g or more and 20 g or less with respect to 6 mmol of the dicarboxylic acid mixture represented by the general formula (2). If the amount of the solvent used is less than the above range, the reaction between the acid and the base may not proceed sufficiently and separation may be difficult, and if the amount exceeds the above range, the mixture will be completely dissolved and separation will be impossible. There is a case.
- a general formula (2 Endo isomers and general formula (2) can be separated from the lyso form.
- a general formula (2 Endo isomers and general formula (2) can be separated from the lyso form.
- these are separated as a mixture (solid phase) of the end form, and similarly an exo form. If so, even if the mixture contains a plurality of compounds represented by the general formula (2), they are separated as an exo-form mixture (liquid phase).
- the mixture is a mixture of 2-methyl-norbornane monoendo-2,3-dicarboxylic acid, 2-methyl-norbornane monoexo_2,3-dicarboxylic acid and norbornane monoexo_2,3-dicarboxylic acid
- 2-methyl-norbornane monoendo-2,3-dicarboxylic acid and 2-methyl-norbornane monoexo-2,3-dicarboxylic acid and norbornane monoexo-2,3-dicarboxylic acid as a mixture.
- the method for separating the endo-form and the exo-form of the dicarboxylic acid salt represented by the general formula (1) or (2) of the present invention is the method of separating the dicarboxylic acid salt represented by the general formula (1) or (2).
- Endo isomer hereinafter also referred to as “general formula (1) or (2) salt endo isomer”
- exo isomer of dicarboxylic acid salt represented by general formula (1) or (2) hereinafter referred to as “general formula”.
- R—R represents a hydrogen atom, a methyl group, an ethyl group or a butyl group. R—R is all
- R 1 8 1 8 and a force that is simultaneously a hydrogen atom, or any one of R 1 -R is a methyl group, an ethyl group or
- R 1 -R is a hydrogen atom.
- R ′ represents a hydrogen atom, a methyl group, an ethyl group or a butyl group.
- R′—R ′ is a hydrogen atom.
- the salt of the dicarboxylic acid represented by the general formula (1) or (2) is a salt of the dicarboxylic acid represented by the general formula (1) or the dicarboxylic acid represented by the general formula (2).
- a salt of the dicarboxylic acid represented by the general formula (1) and the salt of the dicarboxylic acid represented by the general formula (2) is it a mixture of les and slips? It is possible to separate the end body and the exo body regardless of the type.
- the dicarboxylic acid salt represented by the general formula (1) or (2) may be a monocarboxylic acid salt of dicarboxylic acid or a dicarboxylic acid salt. Further, it may be a mixture of a monocarboxylate and a dicarboxylate.
- the dicarboxylic acid salt represented by the general formula (1) or (2), the solvent, the basic compound, and the water-miscible solvent include the above-mentioned general formula (1) or (2) type endo isomers and general The same method as that used in the separation method of the exo-form of formula (1) or (2) can be used, and the mixing method, time, etc. can be also the same.
- the amount of the solvent to be used depends on the solvent to be added and the amount thereof, but is 0.7 g or more per 6 mmol of the general formula (1) or (2) salt mixture, the general formula (1) or (2) 10g or 6mmol of salt mixture Is preferably used in an amount of 20 g or less, less than the amount, or less than 6 mmol of the general formula (1) or (2) salt endo.
- the present invention is similar to the above-described separation method of the general formula (1) or (2) endo isomer and the general formula (1) or (2) exo isomer in the difference in solubility of the dicarboxylic acid salt in the solvent.
- the general formula (1) or (2) salt endo form is obtained as a liquid phase
- the general formula (1) or (2) salt exo form is obtained as a solid phase. It becomes possible.
- the liquid phase is represented by the general formula (1) type endo isomer and It is possible to separate the mixture and solid phase containing the general formula (2) end isomer as a mixture containing the general formula (1) exo isomer and the general formula (2) exo isomer.
- 5_norbornene-endo-2,3-dicarboxylic acid salt is used as the liquid phase and norbornane mono-exo_2,3-dicarboxylic acid salt as the solid phase.
- the salts of 5_norbornene-endo-2,3-dicarboxylic acid, 5-norbornene-exo_2,3-dicarboxylic acid and norbornane-1-exo-1,3-dicarboxylic acid If it is a powerful mixture with salt, 5_norbornene-endo-2,3-dicarboxylic acid salt is used as the liquid phase, and 5_norbornene-exo-2,3-dicarboxylic acid salt and norbornane exo_2, 3 —Dicarboxylic acid salts can be separated as a solid phase.
- the obtained salt of the dicarboxylic acid represented by the general formula (1) or the salt of the dicarboxylic acid represented by the general formula (2) can be obtained by using the above-mentioned method as a dicarboxylic acid. It may be water.
- Preferred embodiments of the separation method of the present invention include, for example, the following.
- a dicarboxylic acid salt endo-form represented by general formula (1) (hereinafter also referred to as “general formula (1) salt endo-form”) and dicarboxylic acid salt represented by general formula (1)
- a mixture containing the exo isomer (hereinafter also referred to as “general formula (1) salt exo isomer”) (hereinafter also referred to as “general formula (1) salt mixture”) and a solvent are mixed with stirring. Separation method of endo and exo including processes.
- a salt of 5_norbornene-endo-2,3-dicarboxylic acid is obtained as a liquid phase
- a salt of 5_norbornene-exo_2,3-dicarboxylic acid is obtained as a solid phase.
- a method for separating an endo isomer and an exo isomer of a dicarboxylic acid salt represented by the general formula (2) wherein the endo isomer of the dicarboxylic acid salt represented by the general formula (2) And the exo form of the salt of the dicarboxylic acid represented by the general formula (2) (hereinafter also referred to as “the general formula (2) salt exo form”).
- a method for separating an endo-form and an exo-form comprising a step of stirring and mixing a mixture containing the mixture (hereinafter also referred to as “general formula (2) salt mixture”) and a solvent.
- One of the stereoisomers can be easily and efficiently obtained with high purity from a mixture mainly containing an exo isomer of the above derivative.
- the endo form of the salt of the dicarboxylic acid represented by the general formula (1) or (2) and the salt of the dicarboxylic acid represented by the general formula (1) or (2) Either stereoisomer can be easily and efficiently obtained in high purity from a mixture mainly containing an exo isomer.
- the exo form of the dicarboxylic acid represented by the general formula (1) or (2) or a derivative thereof, which has heretofore been difficult to obtain can be obtained simply and efficiently with high purity.
- either one of the isomers can be obtained more simply and efficiently with high purity.
- either one of the stereoisomers can be obtained as a mixture having a higher stereoisomer ratio.
- the endo stereoisomer ratio of the obtained mixture is 90% or more.
- the exo stereoisomer ratio of the obtained mixture is Preferable to be 80% or more.
- the present invention is described below based on examples, but is not limited thereto.
- the ratio of the endo form of the dicarboxylic acid represented by the general formula (1) or (2) or the derivative thereof to the exo form of the dicarboxylic acid represented by the general formula (1) or (2) or the derivative thereof was measured using high performance liquid chromatography.
- Wakosil-II 5C18AR manufactured by Wako Pure Chemical Industries, Ltd. was added to the column, and a solution obtained by adding trifluoroacetic acid to the distilled water / acetonitrile volume ratio 8/2 to 0.05 mol / L as the eluent.
- the UV-visible spectroscopic detector 87 5-UV manufactured by JASCO Corporation was used for the detection part.
- the ratio of stereoisomers of the general formula (1) type endo isomer [%] [—the endo isomer of dicarboxylic acid represented by the general formula (1) or a derivative thereof] / ([in the general formula (1) Exo isomer of dicarboxylic acid or derivative thereof] + [—Endo isomer of dicarboxylic acid represented by general formula (1) or derivative thereof)) X 100 [%]
- general formula (1) exo stereoisomerism Volume fraction [%] [—Exo isomer of dicarboxylic acid represented by general formula (1) or derivative thereof] / ([Exo isomer of dicarboxylic acid represented by general formula (1) or derivative thereof) + [—General formula Endo isomer of dicarboxylic acid represented by (1) or derivative thereof]) X 100 [%].
- the solid phase and the liquid phase were separated by filtration.
- Distilled water 38.3 g was added to the dried solid (10.8 g), and the mixture was stirred at 70 ° C for 10 minutes.
- the solid phase and the liquid phase were separated by filtration.
- nonolebonolenan 1,2,3-dicarboxylic anhydride was used as the dicarboxylic acid represented by the general formula (2) or a derivative thereof.
- Example 16 The same procedure as in Example 16 was carried out except that 27.6 g of water and 32.2 g of a 30 wt% aqueous sodium hydroxide solution (2.0 equivalents with respect to the norbornane 1,3-dicarboxylic acid anhydride mixture) were used.
- the general formula (2) class endo stereoisomer ratio of the filtrate 90. /. Met.
- the solid was separated by filtration and dried.
- dicarboxylic acid represented by the general formula (1) or a derivative thereof 5_norbornene 2 , 3-Dicarboxylic anhydride and methyl-5-norbornene-2,3-dicarboxylic anhydride were used.
- stereoisomers of norbornene or dicarboxylic acid having a norbornane structure or derivatives thereof can be easily and efficiently separated.
- the endo-form or exo-form of a dicarboxylic acid having a norbornene or norbornane structure or a derivative thereof obtained by the separation method of the present invention is preferably used as a raw material for agricultural chemicals and electronic materials.
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Abstract
Description
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Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020067003771A KR101156874B1 (ko) | 2003-09-03 | 2004-09-03 | 노보넨 또는 노보난 구조를 갖는 디카본산 혹은 그 유도체의 입체이성체를 분리하는 방법 |
| JP2005513679A JP4654914B2 (ja) | 2003-09-03 | 2004-09-03 | ノルボルネン又はノルボルナン構造を有するジカルボン酸若しくはその誘導体の立体異性体を分離する方法 |
| US10/595,134 US7700802B2 (en) | 2003-09-03 | 2004-09-03 | Method of separating stereoisomers of dicarboxylic acid having norbornene or norbornane structure, or derivative thereof |
| CN2004800253211A CN1845892B (zh) | 2003-09-03 | 2004-09-03 | 具有降冰片烯或降冰片烷结构的二羧酸或其衍生物的立体异构体的分离方法 |
| EP04772792A EP1669342A4 (en) | 2003-09-03 | 2004-09-03 | PROCESS FOR SEPARATING NORBORNENE STEREOISOMERS FROM A DICARBOXYLIC ACID HAVING A NORBORNAN STRUCTURE OR A DERIVATIVE THEREOF |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003311121 | 2003-09-03 | ||
| JP2003-311121 | 2003-09-03 |
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| WO2005023746A1 true WO2005023746A1 (ja) | 2005-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2004/012843 Ceased WO2005023746A1 (ja) | 2003-09-03 | 2004-09-03 | ノルボルネン又はノルボルナン構造を有するジカルボン酸若しくはその誘導体の立体異性体を分離する方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7700802B2 (ja) |
| EP (1) | EP1669342A4 (ja) |
| JP (1) | JP4654914B2 (ja) |
| KR (1) | KR101156874B1 (ja) |
| CN (1) | CN1845892B (ja) |
| WO (1) | WO2005023746A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013079351A (ja) * | 2011-10-05 | 2013-05-02 | Hitachi Chemical Co Ltd | ノルボルナン骨格含有ポリアミドの製造方法 |
| JP2013079352A (ja) * | 2011-10-05 | 2013-05-02 | Hitachi Chemical Co Ltd | ノルボルナン骨格含有ポリアミドの製造方法 |
| JP2019059959A (ja) * | 2018-08-03 | 2019-04-18 | Jxtgエネルギー株式会社 | テトラカルボン酸二無水物、ポリイミド前駆体樹脂、ポリイミド、ポリイミド前駆体樹脂溶液、ポリイミド溶液及びポリイミドフィルム |
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| CN101696200B (zh) * | 2009-10-30 | 2011-09-07 | 濮阳惠成化工有限公司 | 内亚甲基六氢邻苯二甲酸酐及其生产方法 |
| CN103848801B (zh) * | 2012-11-30 | 2017-07-07 | 四川科瑞德制药股份有限公司 | 外亚甲基四氢苯酐的制备和精制方法及其在制备坦度螺酮中的应用 |
| JP6766007B2 (ja) * | 2017-04-28 | 2020-10-07 | Eneos株式会社 | テトラカルボン酸二無水物、ポリイミド前駆体樹脂及びその溶液、並びに、ポリイミド及びその溶液 |
| CN110684288B (zh) * | 2019-11-11 | 2021-12-10 | 太原科技大学 | 一种用于提高聚丁烯-1晶型转化速率的专用助剂制备方法及专用助剂的应用 |
| CN115894880B (zh) * | 2022-12-29 | 2024-04-23 | 中欧电子材料国际创新中心(合肥)有限公司 | 一种刚性聚酯多元醇及其制备方法 |
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| FR2097667A5 (en) | 1970-07-17 | 1972-03-03 | Pechiney Saint Gobain | Cyclopentanetetracarboxylic acid - from exo-5-norbornene 2,3-dicarboxylic acid anhydride |
| JPH11305444A (ja) | 1998-02-19 | 1999-11-05 | Sumitomo Chem Co Ltd | 化学増幅型ポジ型レジスト組成物 |
| WO2002077092A1 (en) | 2001-03-24 | 2002-10-03 | Milliken & Company | Highly nucleated thermoplastic articles |
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| JPH085891B2 (ja) | 1986-08-29 | 1996-01-24 | 大日本インキ化学工業株式会社 | ビシクロ〔2.2.1〕ヘプタン−2,3,5,6−テトラカルボン酸2無水物類およびその製法 |
| JP2809741B2 (ja) * | 1989-09-11 | 1998-10-15 | 株式会社クラレ | オクタヒドロジメタノナフタレン環含有化合物の製造方法 |
| JP4046452B2 (ja) * | 1999-12-06 | 2008-02-13 | ダイセル化学工業株式会社 | フォトレジスト用重合性不飽和化合物、及びフォトレジスト用樹脂組成物 |
| JP4665322B2 (ja) | 2000-03-16 | 2011-04-06 | 東レ株式会社 | ポリ(脂環式オレフィン) |
| JP2002030115A (ja) | 2000-07-14 | 2002-01-31 | Toray Ind Inc | ポリ脂環式酸無水物 |
| JP4621348B2 (ja) * | 2000-12-05 | 2011-01-26 | 日本ゼオン株式会社 | ノルボルネン系モノマーの製造方法 |
| US6465551B1 (en) * | 2001-03-24 | 2002-10-15 | Milliken & Company | Bicyclo[2.2.1]heptane dicarboxylate salts as polyolefin nucleators |
| JP2002284812A (ja) | 2001-03-27 | 2002-10-03 | Toray Ind Inc | ポリマーの製造方法 |
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2004
- 2004-09-03 KR KR1020067003771A patent/KR101156874B1/ko not_active Expired - Fee Related
- 2004-09-03 WO PCT/JP2004/012843 patent/WO2005023746A1/ja not_active Ceased
- 2004-09-03 EP EP04772792A patent/EP1669342A4/en not_active Withdrawn
- 2004-09-03 CN CN2004800253211A patent/CN1845892B/zh not_active Expired - Fee Related
- 2004-09-03 US US10/595,134 patent/US7700802B2/en not_active Expired - Fee Related
- 2004-09-03 JP JP2005513679A patent/JP4654914B2/ja not_active Expired - Fee Related
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| FR2097667A5 (en) | 1970-07-17 | 1972-03-03 | Pechiney Saint Gobain | Cyclopentanetetracarboxylic acid - from exo-5-norbornene 2,3-dicarboxylic acid anhydride |
| JPH11305444A (ja) | 1998-02-19 | 1999-11-05 | Sumitomo Chem Co Ltd | 化学増幅型ポジ型レジスト組成物 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013079351A (ja) * | 2011-10-05 | 2013-05-02 | Hitachi Chemical Co Ltd | ノルボルナン骨格含有ポリアミドの製造方法 |
| JP2013079352A (ja) * | 2011-10-05 | 2013-05-02 | Hitachi Chemical Co Ltd | ノルボルナン骨格含有ポリアミドの製造方法 |
| JP2019059959A (ja) * | 2018-08-03 | 2019-04-18 | Jxtgエネルギー株式会社 | テトラカルボン酸二無水物、ポリイミド前駆体樹脂、ポリイミド、ポリイミド前駆体樹脂溶液、ポリイミド溶液及びポリイミドフィルム |
Also Published As
| Publication number | Publication date |
|---|---|
| US7700802B2 (en) | 2010-04-20 |
| KR101156874B1 (ko) | 2012-06-20 |
| CN1845892B (zh) | 2010-12-15 |
| EP1669342A4 (en) | 2006-11-29 |
| EP1669342A1 (en) | 2006-06-14 |
| CN1845892A (zh) | 2006-10-11 |
| JP4654914B2 (ja) | 2011-03-23 |
| KR20060118419A (ko) | 2006-11-23 |
| US20070142668A1 (en) | 2007-06-21 |
| JPWO2005023746A1 (ja) | 2007-11-01 |
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