发明授权
- 专利标题: Preparation of .DELTA..sup.9(11) steroid
- 专利标题(中): DELTA 9(11)类固醇的制备
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申请号: US71501申请日: 1993-06-02
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公开(公告)号: US5399727A公开(公告)日: 1995-03-21
- 发明人: Jean Buendia , Patrick Roussel , Michel Vivat
- 申请人: Jean Buendia , Patrick Roussel , Michel Vivat
- 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: FRX9207460 19920619
- 主分类号: C07J3/00
- IPC分类号: C07J3/00 ; C07J41/00 ; C07J75/00
摘要:
A process for the preparation of a compound of the formula ##STR1## comprising reacting a compound of the formula ##STR2## with chlorosulfonic in an organic solvent wherein the reaction is effected at -20.degree. C. to -10.degree. C. and the temperature is then allowed to rise to 0.degree. C. to 5.degree. C.
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