JPS52116456A - Preparation of 3-keto- #4-steroid - Google Patents

Preparation of 3-keto- #4-steroid

Info

Publication number
JPS52116456A
JPS52116456A JP3297976A JP3297976A JPS52116456A JP S52116456 A JPS52116456 A JP S52116456A JP 3297976 A JP3297976 A JP 3297976A JP 3297976 A JP3297976 A JP 3297976A JP S52116456 A JPS52116456 A JP S52116456A
Authority
JP
Japan
Prior art keywords
steroid
keto
preparation
hydroxy
yield
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
JP3297976A
Other languages
Japanese (ja)
Other versions
JPS6210239B2 (en
Inventor
Tatsu Yamanaka
Takashi Imai
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.)
Takasago International Corp
Takasago Corp
Original Assignee
Takasago Perfumery Industry Co
Takasago Corp
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 Takasago Perfumery Industry Co, Takasago Corp filed Critical Takasago Perfumery Industry Co
Priority to JP3297976A priority Critical patent/JPS52116456A/en
Publication of JPS52116456A publication Critical patent/JPS52116456A/en
Publication of JPS6210239B2 publication Critical patent/JPS6210239B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To prepare 3-keto-▵4-steroid with 80W98% yield by the thermal catalytic dehydrogenation of 3-hydroxy-▵4, or ▵5-steroid in the presence of specific copper oxide catalyst under reduced pressure.
COPYRIGHT: (C)1977,JPO&Japio
JP3297976A 1976-03-25 1976-03-25 Preparation of 3-keto- #4-steroid Granted JPS52116456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3297976A JPS52116456A (en) 1976-03-25 1976-03-25 Preparation of 3-keto- #4-steroid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3297976A JPS52116456A (en) 1976-03-25 1976-03-25 Preparation of 3-keto- #4-steroid

Publications (2)

Publication Number Publication Date
JPS52116456A true JPS52116456A (en) 1977-09-29
JPS6210239B2 JPS6210239B2 (en) 1987-03-05

Family

ID=12373992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3297976A Granted JPS52116456A (en) 1976-03-25 1976-03-25 Preparation of 3-keto- #4-steroid

Country Status (1)

Country Link
JP (1) JPS52116456A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7858603B2 (en) * 2003-03-11 2010-12-28 Trophos Use of derivatives of cholest-4-en-3-one as medicaments, pharmaceutical compositions containing same, novel derivatives and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7858603B2 (en) * 2003-03-11 2010-12-28 Trophos Use of derivatives of cholest-4-en-3-one as medicaments, pharmaceutical compositions containing same, novel derivatives and preparation method thereof

Also Published As

Publication number Publication date
JPS6210239B2 (en) 1987-03-05

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