JPS5291865A - Preparation of alpha-tocopherol - Google Patents

Preparation of alpha-tocopherol

Info

Publication number
JPS5291865A
JPS5291865A JP747376A JP747376A JPS5291865A JP S5291865 A JPS5291865 A JP S5291865A JP 747376 A JP747376 A JP 747376A JP 747376 A JP747376 A JP 747376A JP S5291865 A JPS5291865 A JP S5291865A
Authority
JP
Japan
Prior art keywords
tocopherol
alpha
preparation
reimethyl
phytol
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
JP747376A
Other languages
Japanese (ja)
Other versions
JPS6015627B2 (en
Inventor
Shizumasa Kijima
Kichisaburo Hamamura
Yusuke Konishi
Yutaka Mori
Chiaki Seki
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 JP747376A priority Critical patent/JPS6015627B2/en
Publication of JPS5291865A publication Critical patent/JPS5291865A/en
Publication of JPS6015627B2 publication Critical patent/JPS6015627B2/en
Expired legal-status Critical Current

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  • Pyrane Compounds (AREA)

Abstract

PURPOSE: High purity α-tocopherol is prepared by the condensation of 2,3,5-reimethyl-l, 4-hydroquinone with phytol, etc. in the presence of a catalyst in a specific solvent without refluxing.
COPYRIGHT: (C)1977,JPO&Japio
JP747376A 1976-01-28 1976-01-28 Production method of α-tocopherol Expired JPS6015627B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP747376A JPS6015627B2 (en) 1976-01-28 1976-01-28 Production method of α-tocopherol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP747376A JPS6015627B2 (en) 1976-01-28 1976-01-28 Production method of α-tocopherol

Publications (2)

Publication Number Publication Date
JPS5291865A true JPS5291865A (en) 1977-08-02
JPS6015627B2 JPS6015627B2 (en) 1985-04-20

Family

ID=11666746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP747376A Expired JPS6015627B2 (en) 1976-01-28 1976-01-28 Production method of α-tocopherol

Country Status (1)

Country Link
JP (1) JPS6015627B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0524184Y2 (en) * 1984-12-05 1993-06-21

Also Published As

Publication number Publication date
JPS6015627B2 (en) 1985-04-20

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