发明名称 |
FREMGANGSMÅDE TIL FREMSTILLINGEN AF S-FLUORMETHYL-6,9-DIFLUOR-11-HYDROXY-16-METHYL-17-PROPIONYLOXY-3-OXO-ANDROSTA-1,4-DIEN-17-CARBOTHIAT OG MELLEMPRODUKTER |
摘要 |
<p>The present invention relates to a process for the preparation of steroidal 17²-carboxylic thioates. More particularly the present invention relates to a convenient and efficient synthesis of steroidal 17²-carboxylic thioates, such as fluticasone propionate I, using soluble mixed fluorides to introduce fluorine by displacing an appropriate leaving group X in compounds II resulting in selective and controlled fluorination. The present invention also relates to intermediates II and their preparation.</p> |
申请公布号 |
DK2044099(T3) |
申请公布日期 |
2012.07.02 |
申请号 |
DK20070733749T |
申请日期 |
2007.06.11 |
申请人 |
GENERICS [UK] LIMITED |
发明人 |
GADAKAR, MAHESH;POKHARKAR, K.;WAKCHURE, V.;GORE, VINAYAK G. |
分类号 |
C07J31/00;A61K31/56;A61P5/44 |
主分类号 |
C07J31/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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