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Title:
中間体6α,9α-ジフルオロ-11β,17α-ジヒドロキシ-16α-メチル-アンドロスタ-1,4-ジエン-3-オン-17β-カルボン酸の製造のための酸化方法
Document Type and Number:
Japanese Patent JP2004504403
Kind Code:
A
Abstract:
The present invention relates to a process for the preparation of a compound of formula (I) which comprises the following step: wherein step (a) comprises oxidation of a solution containing the compound of formula (II) wherein the solution is formed in a mixture of water and tetrahydrofuran.

Inventors:
Albinson, frederick, david
Koote, Stephen, John
Robinson, John, Malcolm
Application Number:
JP2002514148A
Publication Date:
February 12, 2004
Filing Date:
July 20, 2001
Export Citation:
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Assignee:
GLAXO GROUP LIMITED
International Classes:
C07J3/00; C07J5/00; C07J17/00; C07J31/00; (IPC1-7): C07J3/00; C07J17/00; C07J31/00
Domestic Patent References:
JP2003529640A2003-10-07
Foreign References:
WO1995018621A11995-07-13
US4198336A1980-04-15
GB2018256B1983-02-02
DE1964356B
Attorney, Agent or Firm:
Yusuke Hiraki
Satoshi Fujita
Yumi Naito



 
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