| 发明名称 |
METHOD FOR PREPARING 17A-ETHINYL-17B-HYDROXY-18-METHYL-4,15-ESTRADIEN-3-ON AND THE NOVEL STARTING COMPOUNDS FOR THIS METHOD |
| 摘要 |
A process and novel starting materials for the production of 17 alpha -ethynyl-17 beta -hydroxy-18-methyl-4,15-estradien-3-one of Formula I <IMAGE> (I) are disclosed. Novel 17-ketone starting materials have the Formula II <IMAGE> (II) wherein R is an alkyl residue of 1-3 carbon atoms and <IMAGE> is the grouping <IMAGE> wherein R' is an acyl group of up to 10 carbon atoms. |
| 申请公布号 |
GR861126(B) |
申请公布日期 |
1986.09.30 |
| 申请号 |
GR19860101126 |
申请日期 |
1986.04.29 |
| 申请人 |
SCHERING AG |
发明人 |
DR. HOFMEISTER HELMUT;DR. LAURENT HENRY;DR. LORENZ HANS-PETER;DR. WIECHERT RUDOLF |
| 分类号 |
A61K31/565;C07J1/00;C07J7/00;C07J75/00 |
主分类号 |
A61K31/565 |
| 代理机构 |
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