JPS5315381A - Cynthesis of alpha-tocopherol - Google Patents

Cynthesis of alpha-tocopherol

Info

Publication number
JPS5315381A
JPS5315381A JP8810876A JP8810876A JPS5315381A JP S5315381 A JPS5315381 A JP S5315381A JP 8810876 A JP8810876 A JP 8810876A JP 8810876 A JP8810876 A JP 8810876A JP S5315381 A JPS5315381 A JP S5315381A
Authority
JP
Japan
Prior art keywords
tocopherol
cynthesis
alpha
phytols
hydroquinones
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
JP8810876A
Other languages
Japanese (ja)
Other versions
JPS6035347B2 (en
Inventor
Chiaki Seki
Kiyoshi Aizawa
Yoshihiro Koga
Yusuke Konishi
Kichisaburo Hamamura
Shizumasa Kijima
Akimaro Nonaka
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 JP8810876A priority Critical patent/JPS6035347B2/en
Publication of JPS5315381A publication Critical patent/JPS5315381A/en
Publication of JPS6035347B2 publication Critical patent/JPS6035347B2/en
Expired legal-status Critical Current

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  • Pyrane Compounds (AREA)

Abstract

PURPOSE: To prepare α-tocopherol in high yield by the condensation of hydroquinones with phytols at a low temperature in the presence of zinc chloride and phosphate as catalysts.
COPYRIGHT: (C)1978,JPO&Japio
JP8810876A 1976-07-26 1976-07-26 Synthesis method of α-tocopherol Expired JPS6035347B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8810876A JPS6035347B2 (en) 1976-07-26 1976-07-26 Synthesis method of α-tocopherol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8810876A JPS6035347B2 (en) 1976-07-26 1976-07-26 Synthesis method of α-tocopherol

Publications (2)

Publication Number Publication Date
JPS5315381A true JPS5315381A (en) 1978-02-13
JPS6035347B2 JPS6035347B2 (en) 1985-08-14

Family

ID=13933670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8810876A Expired JPS6035347B2 (en) 1976-07-26 1976-07-26 Synthesis method of α-tocopherol

Country Status (1)

Country Link
JP (1) JPS6035347B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997028151A1 (en) * 1996-01-29 1997-08-07 Basf Aktiengesellschaft METHOD OF PRODUCING DL-α-TOCOPHEROL OR DL-α-TOCOPHERYL ACETATE
WO2000043380A1 (en) * 1999-01-25 2000-07-27 Swig Pty. Ltd. Recovery of chroman derivatives
JP2013063912A (en) * 2011-08-31 2013-04-11 Eisai R & D Management Co Ltd PRODUCTION METHOD OF α-TOCOPHEROL AND ACETIC ACID α-TOCOPHEROL
US10071030B2 (en) 2010-02-05 2018-09-11 Phosphagenics Limited Carrier comprising non-neutralised tocopheryl phosphate
US10188670B2 (en) 2011-03-15 2019-01-29 Phosphagenics Limited Composition
US10973761B2 (en) 2015-12-09 2021-04-13 Phosphagenics Limited Pharmaceutical formulation
US11753435B2 (en) 2016-12-21 2023-09-12 Avecho Biotechnology Limited Process

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997028151A1 (en) * 1996-01-29 1997-08-07 Basf Aktiengesellschaft METHOD OF PRODUCING DL-α-TOCOPHEROL OR DL-α-TOCOPHERYL ACETATE
WO2000043380A1 (en) * 1999-01-25 2000-07-27 Swig Pty. Ltd. Recovery of chroman derivatives
US10071030B2 (en) 2010-02-05 2018-09-11 Phosphagenics Limited Carrier comprising non-neutralised tocopheryl phosphate
US10188670B2 (en) 2011-03-15 2019-01-29 Phosphagenics Limited Composition
JP2013063912A (en) * 2011-08-31 2013-04-11 Eisai R & D Management Co Ltd PRODUCTION METHOD OF α-TOCOPHEROL AND ACETIC ACID α-TOCOPHEROL
US10973761B2 (en) 2015-12-09 2021-04-13 Phosphagenics Limited Pharmaceutical formulation
US11753435B2 (en) 2016-12-21 2023-09-12 Avecho Biotechnology Limited Process

Also Published As

Publication number Publication date
JPS6035347B2 (en) 1985-08-14

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