Title:
MEDROGESTONE PRODUCTION
Document Type and Number:
Japanese Patent JP2007119500
Kind Code:
A
Abstract:
To provide a method for producing 3β,5α,6β-trihydroxy-6α,17α-dimethylpregnan-20-one monomethanolate.
The method for producing 3β,5α,6β-trihydroxy-6α,17α-dimethylpregnan-20-one monomethanolate comprises displacing the solvent of 3β,5α,6β-trihydroxy-6α,17α-dimethylpregnan-20-one solution with methanol.
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Inventors:
WINKLEY MICHAEL WILLIAM
MITCHELL ROBERT DEMPSTER
MITCHELL ROBERT DEMPSTER
Application Number:
JP2007033723A
Publication Date:
May 17, 2007
Filing Date:
February 14, 2007
Export Citation:
Assignee:
WYETH CORP
International Classes:
C07J7/00; A61K31/56; A61K31/57; A61P9/10; C07J53/00; C07J71/00; C07J75/00; A61K; C07J
Foreign References:
| US3170936A | 1965-02-23 | |||
| US3170936A | 1965-02-23 |
Other References:
JPN6010027344, Ｔｅｔｒａｈｅｄｒｏｎ, 1963, Ｖｏｌ．１９， Ｎｏ．２, ｐｐ．２８９−２９８
Attorney, Agent or Firm:
Mitsuo Tanaka
Hiroshi Yamazaki
Tadayuki Motoyama
Kenji Tomita
Hiroshi Yamazaki
Tadayuki Motoyama
Kenji Tomita
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