JPS51136661A - Process for preparing 7-dehydrocholesterols. - Google Patents

Process for preparing 7-dehydrocholesterols.

Info

Publication number
JPS51136661A
JPS51136661A JP5920275A JP5920275A JPS51136661A JP S51136661 A JPS51136661 A JP S51136661A JP 5920275 A JP5920275 A JP 5920275A JP 5920275 A JP5920275 A JP 5920275A JP S51136661 A JPS51136661 A JP S51136661A
Authority
JP
Japan
Prior art keywords
dehydrocholesterols
preparing
hydroxycholesta
dienes
protected
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
JP5920275A
Other languages
Japanese (ja)
Other versions
JPS618077B2 (en
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 JP5920275A priority Critical patent/JPS51136661A/en
Publication of JPS51136661A publication Critical patent/JPS51136661A/en
Publication of JPS618077B2 publication Critical patent/JPS618077B2/ja
Granted legal-status Critical Current

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Abstract

PURPOSE: To separate 7 - dehydrocholesterols, which are useful as synthetic intermediates for vitamin D3, by specific acid treatment from the mixtures of 3η - protected hydroxycholesta - 5, 7 - dienes and 3η - protected hydroxycholesta - 4, 6 - dienes.
COPYRIGHT: (C)1976,JPO&Japio
JP5920275A 1975-05-20 1975-05-20 Process for preparing 7-dehydrocholesterols. Granted JPS51136661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5920275A JPS51136661A (en) 1975-05-20 1975-05-20 Process for preparing 7-dehydrocholesterols.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5920275A JPS51136661A (en) 1975-05-20 1975-05-20 Process for preparing 7-dehydrocholesterols.

Publications (2)

Publication Number Publication Date
JPS51136661A true JPS51136661A (en) 1976-11-26
JPS618077B2 JPS618077B2 (en) 1986-03-11

Family

ID=13106591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5920275A Granted JPS51136661A (en) 1975-05-20 1975-05-20 Process for preparing 7-dehydrocholesterols.

Country Status (1)

Country Link
JP (1) JPS51136661A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144358A (en) * 1978-04-28 1979-11-10 Teijin Ltd Isolation of hydroxylcholesta-5,7-diene

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144358A (en) * 1978-04-28 1979-11-10 Teijin Ltd Isolation of hydroxylcholesta-5,7-diene
JPS589116B2 (en) * 1978-04-28 1983-02-18 帝人株式会社 Method for isolating hydroxycholester-5,7↓-dienes

Also Published As

Publication number Publication date
JPS618077B2 (en) 1986-03-11

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