发明授权
US6008382A Method for preparing 4'-Demethylepipodophyllotoxin from podophyllotoxin
失效
从鬼臼毒素制备4'-甲氧基鬼臼毒素的方法
- 专利标题: Method for preparing 4'-Demethylepipodophyllotoxin from podophyllotoxin
- 专利标题(中): 从鬼臼毒素制备4'-甲氧基鬼臼毒素的方法
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申请号: US77303申请日: 1998-06-12
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公开(公告)号: US6008382A公开(公告)日: 1999-12-28
- 发明人: Thierry Imbert , Yves Guminski
- 申请人: Thierry Imbert , Yves Guminski
- 申请人地址: FRX Boulogne
- 专利权人: Pierre Fabre Medicament
- 当前专利权人: Pierre Fabre Medicament
- 当前专利权人地址: FRX Boulogne
- 优先权: FRX9514875 19951214
- 主分类号: C07D493/04
- IPC分类号: C07D493/04 ; C07D307/77
摘要:
A method for synthesizing a 4'-demethylepipodophyllotoxin of formula (II) from a podophyllotoxin of formula (I) by treating it with a pair of reagents, i.e. a strong acid and an aliphatic, aromatic or functionalized sulphide, in the present of an organic or inorganic acid, or in the presence of water with or without a water-miscible organic solvent. ##STR1##
公开/授权文献
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