发明授权
- 专利标题: .delta..sup.1,4 -pregnadiene-3,20-diones
- 专利标题(中): δ1,4-孕二烯-3,20-二酮
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申请号: US190881申请日: 1994-02-02
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公开(公告)号: US5434258A公开(公告)日: 1995-07-18
- 发明人: Luc Devocelle , Philippe Mackiewicz
- 申请人: Luc Devocelle , Philippe Mackiewicz
- 申请人地址: FRX
- 专利权人: Roussel Uclaf
- 当前专利权人: Roussel Uclaf
- 当前专利权人地址: FRX
- 优先权: FRX9104339 19910410
- 主分类号: A61K31/57
- IPC分类号: A61K31/57 ; B01J27/10 ; C07B61/00 ; C07J5/00 ; C07J71/00 ; C07J75/00
摘要:
A compound of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, acyl of an organic carboxylic acid of 1 to 8 carbon atoms, allyloxycarbonyl, alkoxycarbonyl and aralkoxycarbonyl of up to 8 carbon atoms and alkylsulfonyl and arylsulfonyl of up to 8 carbon atoms and their use to prepare substituted 16,17-methylenedioxy-steroids and novel intermediates.
公开/授权文献
- US4334650A Shredding machines 公开/授权日:1982-06-15
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