JPS51122054A - A method for preparing 7- dehydrocholesterol - Google Patents

A method for preparing 7- dehydrocholesterol

Info

Publication number
JPS51122054A
JPS51122054A JP4420075A JP4420075A JPS51122054A JP S51122054 A JPS51122054 A JP S51122054A JP 4420075 A JP4420075 A JP 4420075A JP 4420075 A JP4420075 A JP 4420075A JP S51122054 A JPS51122054 A JP S51122054A
Authority
JP
Japan
Prior art keywords
dehydrocholesterol
preparing
dehydrobromination
vitamin
catalyst
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.)
Pending
Application number
JP4420075A
Other languages
Japanese (ja)
Inventor
Toshio Wakabayashi
Toru Takeshita
Yoshio Ishimoto
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP4420075A priority Critical patent/JPS51122054A/en
Publication of JPS51122054A publication Critical patent/JPS51122054A/en
Pending legal-status Critical Current

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  • Steroid Compounds (AREA)

Abstract

PURPOSE: 7-Dehydrocholesterol, which is an intermediate for vitamin D3, is prepared in good yield by the use of a trivalent organophosphorous compound as catalyst of dehydrobromination.
COPYRIGHT: (C)1976,JPO&Japio
JP4420075A 1975-04-14 1975-04-14 A method for preparing 7- dehydrocholesterol Pending JPS51122054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4420075A JPS51122054A (en) 1975-04-14 1975-04-14 A method for preparing 7- dehydrocholesterol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4420075A JPS51122054A (en) 1975-04-14 1975-04-14 A method for preparing 7- dehydrocholesterol

Publications (1)

Publication Number Publication Date
JPS51122054A true JPS51122054A (en) 1976-10-25

Family

ID=12684919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4420075A Pending JPS51122054A (en) 1975-04-14 1975-04-14 A method for preparing 7- dehydrocholesterol

Country Status (1)

Country Link
JP (1) JPS51122054A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124800A (en) * 1982-01-14 1983-07-25 デユフアル・インテルナチオナル・レセ−ルフ・ベ−・ヴエ− Manufacture of delta 5,7-steroid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124800A (en) * 1982-01-14 1983-07-25 デユフアル・インテルナチオナル・レセ−ルフ・ベ−・ヴエ− Manufacture of delta 5,7-steroid
JPH037678B2 (en) * 1982-01-14 1991-02-04 Duphar Int Res

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