JPS5371033A - Preparation of 4-alkoxycarbonyl-3,5-dimethylphthalic acid anhydride - Google Patents

Preparation of 4-alkoxycarbonyl-3,5-dimethylphthalic acid anhydride

Info

Publication number
JPS5371033A
JPS5371033A JP14464076A JP14464076A JPS5371033A JP S5371033 A JPS5371033 A JP S5371033A JP 14464076 A JP14464076 A JP 14464076A JP 14464076 A JP14464076 A JP 14464076A JP S5371033 A JPS5371033 A JP S5371033A
Authority
JP
Japan
Prior art keywords
alkoxycarbonyl
preparation
acid anhydride
dimethylphthalic acid
dimethylphthalic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14464076A
Other languages
Japanese (ja)
Other versions
JPS603306B2 (en
Inventor
Soyao Moriguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Showa Denko KK filed Critical Showa Denko KK
Priority to JP14464076A priority Critical patent/JPS603306B2/en
Publication of JPS5371033A publication Critical patent/JPS5371033A/en
Publication of JPS603306B2 publication Critical patent/JPS603306B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To prepare the title cpd., useful as intermediates for preventives against arteriosclerosis and thrombosis, in high yield with one-stage process by reaction of isodehydroacetic acid alkylester with acetyenedicarboxylic acid on heating.
COPYRIGHT: (C)1978,JPO&Japio
JP14464076A 1976-12-03 1976-12-03 Method for producing 4-alkoxycarbonyl-3,5-dimethylphthalic anhydride Expired JPS603306B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14464076A JPS603306B2 (en) 1976-12-03 1976-12-03 Method for producing 4-alkoxycarbonyl-3,5-dimethylphthalic anhydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14464076A JPS603306B2 (en) 1976-12-03 1976-12-03 Method for producing 4-alkoxycarbonyl-3,5-dimethylphthalic anhydride

Publications (2)

Publication Number Publication Date
JPS5371033A true JPS5371033A (en) 1978-06-24
JPS603306B2 JPS603306B2 (en) 1985-01-26

Family

ID=15366753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14464076A Expired JPS603306B2 (en) 1976-12-03 1976-12-03 Method for producing 4-alkoxycarbonyl-3,5-dimethylphthalic anhydride

Country Status (1)

Country Link
JP (1) JPS603306B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309563A (en) * 1980-06-04 1982-01-05 Showa Denko K.K. Xylylene diol derivative
EP0344113A2 (en) * 1988-05-27 1989-11-29 Ciba-Geigy Ag Substituted alpha-pyrones and naphthoquinones

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309563A (en) * 1980-06-04 1982-01-05 Showa Denko K.K. Xylylene diol derivative
EP0344113A2 (en) * 1988-05-27 1989-11-29 Ciba-Geigy Ag Substituted alpha-pyrones and naphthoquinones

Also Published As

Publication number Publication date
JPS603306B2 (en) 1985-01-26

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