JPS56167635A - Alpha,beta-dihydropolyprenylcarboxylic acid and its derivative - Google Patents

Alpha,beta-dihydropolyprenylcarboxylic acid and its derivative

Info

Publication number
JPS56167635A
JPS56167635A JP7148880A JP7148880A JPS56167635A JP S56167635 A JPS56167635 A JP S56167635A JP 7148880 A JP7148880 A JP 7148880A JP 7148880 A JP7148880 A JP 7148880A JP S56167635 A JPS56167635 A JP S56167635A
Authority
JP
Japan
Prior art keywords
formula
derivative
acid
compound expressed
expressed
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
JP7148880A
Other languages
Japanese (ja)
Other versions
JPS6332059B2 (en
Inventor
Isao Yamatsu
Yuichi Inai
Shinya Abe
Hideaki Watanabe
Shunji Igarashi
Hiroyuki Shiojiri
Yoshio Tanabe
Kuniko Hara
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.)
Eisai Co Ltd
Original Assignee
Eisai Co Ltd
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 Eisai Co Ltd filed Critical Eisai Co Ltd
Priority to JP7148880A priority Critical patent/JPS56167635A/en
Priority to EP83107281A priority patent/EP0098620B1/en
Priority to DE8181104084T priority patent/DE3168876D1/en
Priority to EP81104084A priority patent/EP0041235B1/en
Priority to DE8383107281T priority patent/DE3175360D1/en
Priority to US06/269,930 priority patent/US4481217A/en
Publication of JPS56167635A publication Critical patent/JPS56167635A/en
Priority to US06/543,748 priority patent/US4571408A/en
Publication of JPS6332059B2 publication Critical patent/JPS6332059B2/ja
Granted legal-status Critical Current

Links

Abstract

NEW MATERIAL:An α,β-dihydropolyprenyl-carboxylic acid expressed by formula I (n is an integer 1W4; R1 is H or lower alkyl) and its derivative.
EXAMPLE: (E,E)-3,7,11,15-Tetramethyl-6,10,14-hexadecatetraenoic acid.
USE: A treating agent for hepatic disorders, preferably per os usually in an amount of 50W2,000mg, preferably 200W600mg, per adult a day.
PROCESS: A compound expressed by formula II is hydrolyzed in the presence of a base, to form a compound expressed by formula III. The resultant compound or a reactive derivative, if necessary, is reacted with a compound expressed by the formula R3-OH (R3 is lower alkyl) to give a compound expressed by formula I. The compound expressed by formula III, if used, is reacted in the presence of a condensing agent, e.g. p-toluenesulfonyl chloride, or in the case of a reactive derivative, an acid chloride or an acid anhydride may be cited as a preferable derivative.
COPYRIGHT: (C)1981,JPO&Japio
JP7148880A 1980-05-30 1980-05-30 Alpha,beta-dihydropolyprenylcarboxylic acid and its derivative Granted JPS56167635A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP7148880A JPS56167635A (en) 1980-05-30 1980-05-30 Alpha,beta-dihydropolyprenylcarboxylic acid and its derivative
EP83107281A EP0098620B1 (en) 1980-05-30 1981-05-27 Alpha,beta-dihydropolyprenyl derivatives and a process for preparing these derivatives
DE8181104084T DE3168876D1 (en) 1980-05-30 1981-05-27 Alpha,beta-dihydropolyprenyl derivatives for treating liver diseases
EP81104084A EP0041235B1 (en) 1980-05-30 1981-05-27 Alpha,beta-dihydropolyprenyl derivatives for treating liver diseases
DE8383107281T DE3175360D1 (en) 1980-05-30 1981-05-27 Alpha,beta-dihydropolyprenyl derivatives and a process for preparing these derivatives
US06/269,930 US4481217A (en) 1980-05-30 1981-05-28 α,β-Dihydropolyprenyl derivatives useful in treating hepatitis
US06/543,748 US4571408A (en) 1980-05-30 1983-10-20 α,β-Dihydropolyprenyl derivatives for treating hepatitis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7148880A JPS56167635A (en) 1980-05-30 1980-05-30 Alpha,beta-dihydropolyprenylcarboxylic acid and its derivative

Publications (2)

Publication Number Publication Date
JPS56167635A true JPS56167635A (en) 1981-12-23
JPS6332059B2 JPS6332059B2 (en) 1988-06-28

Family

ID=13462085

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7148880A Granted JPS56167635A (en) 1980-05-30 1980-05-30 Alpha,beta-dihydropolyprenylcarboxylic acid and its derivative

Country Status (1)

Country Link
JP (1) JPS56167635A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5962522A (en) * 1982-08-09 1984-04-10 ザ・リ−ジエンツ・オブ・ザ・ユニバ−シテイ・オブ・カリフオルニア Method and composition for protecting and treating gastric duodenal mucosa and lever

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5962522A (en) * 1982-08-09 1984-04-10 ザ・リ−ジエンツ・オブ・ザ・ユニバ−シテイ・オブ・カリフオルニア Method and composition for protecting and treating gastric duodenal mucosa and lever

Also Published As

Publication number Publication date
JPS6332059B2 (en) 1988-06-28

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