Title:
17-ヒドロキシ-6β,7β;15β,16β-ビスメチレン-17α-プレグネ-4-エン-3-オン-21-カルボン酸γ-ラクトンの製造方法およびこの方法のための重要中間体
Document Type and Number:
Japanese Patent JP2008521876
Kind Code:
A
Abstract:
The invention relates to a process for the preparation of 17-hydroxy-6beta,7beta;15beta,16beta-bismethylene-17alpha-pregn-4-ene-3-one-21-carboxylic acid gamma-lactone of formula (I) as well as to key-intermediates for this process.
Inventors:
Garik, Gergie
Holbus, Eudit
Ceres, Bella
Maho, sandor
Tuba, Zoltan
Barrow, Gabor
Holbus, Eudit
Ceres, Bella
Maho, sandor
Tuba, Zoltan
Barrow, Gabor
Application Number:
JP2007543937A
Publication Date:
June 26, 2008
Filing Date:
October 11, 2005
Export Citation:
Assignee:
Richter Gedeon Bejeseti Jarl Earl.
International Classes:
C07J21/00; A61P15/00; A61K31/58
Foreign References:
| WO2003082894A2 | 2003-10-09 | |||
| WO1998025948A2 | 1998-06-18 |
Attorney, Agent or Firm:
Haruo Hamada