JPS51149258A - A process for preparing steroid derivatives - Google Patents

A process for preparing steroid derivatives

Info

Publication number
JPS51149258A
JPS51149258A JP7355075A JP7355075A JPS51149258A JP S51149258 A JPS51149258 A JP S51149258A JP 7355075 A JP7355075 A JP 7355075A JP 7355075 A JP7355075 A JP 7355075A JP S51149258 A JPS51149258 A JP S51149258A
Authority
JP
Japan
Prior art keywords
steroid derivatives
preparing steroid
preparing
dien
dione
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
JP7355075A
Other languages
Japanese (ja)
Other versions
JPS5855158B2 (en
Inventor
Takuichi Miki
Kouta Masuya
Koji Yashiki
Yasuhiko Morita
Kentaro Hiraga
Taisuke Matsuo
Toru Sugawara
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries 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 Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to JP7355075A priority Critical patent/JPS5855158B2/en
Publication of JPS51149258A publication Critical patent/JPS51149258A/en
Publication of JPS5855158B2 publication Critical patent/JPS5855158B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: 17α,21-Diacyloxy1-9α-fluoro-11β-hydroxy-16α-methylpregna 1,4-dien-3,20-dione of formula I(where R1 and R2 are alkyls), for instance,9αfluoro 11β-hydroxy-16α-methyl-17α,21-(1'-ethoxy-1'-propylidenedioxy)pregna-1,4-dien-8,20-dione.
COPYRIGHT: (C)1976,JPO&Japio
JP7355075A 1975-06-16 1975-06-16 Method for producing steroid derivatives Expired JPS5855158B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7355075A JPS5855158B2 (en) 1975-06-16 1975-06-16 Method for producing steroid derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7355075A JPS5855158B2 (en) 1975-06-16 1975-06-16 Method for producing steroid derivatives

Publications (2)

Publication Number Publication Date
JPS51149258A true JPS51149258A (en) 1976-12-22
JPS5855158B2 JPS5855158B2 (en) 1983-12-08

Family

ID=13521444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7355075A Expired JPS5855158B2 (en) 1975-06-16 1975-06-16 Method for producing steroid derivatives

Country Status (1)

Country Link
JP (1) JPS5855158B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170500A2 (en) * 1984-07-25 1986-02-05 Hovione Inter Ltd. Novel 9 alpha-fluoro- or chloro-corticosteroid esters and a process for their preparation
EP0393658A2 (en) * 1989-04-19 1990-10-24 Ss Pharmaceutical Co., Ltd. Novel steroid derivatives
JP7106773B1 (en) * 2022-01-25 2022-07-26 同仁医薬化工株式会社 Method for producing steroid 17α,21-diesters

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170500A2 (en) * 1984-07-25 1986-02-05 Hovione Inter Ltd. Novel 9 alpha-fluoro- or chloro-corticosteroid esters and a process for their preparation
EP0393658A2 (en) * 1989-04-19 1990-10-24 Ss Pharmaceutical Co., Ltd. Novel steroid derivatives
EP0393658B1 (en) * 1989-04-19 1995-03-22 Ss Pharmaceutical Co., Ltd. Novel steroid derivatives
JP7106773B1 (en) * 2022-01-25 2022-07-26 同仁医薬化工株式会社 Method for producing steroid 17α,21-diesters

Also Published As

Publication number Publication date
JPS5855158B2 (en) 1983-12-08

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