发明名称 |
NOVEL METHODS FOR OBTAINING 6-METHYL 19-NOR STEROIDS AND CONVERTING THEM INTO 17(ALPHA)-SUBSTITUTED 19-NOR PREGNADIENES |
摘要 |
The invention relates to the field of organic chemistry and to steroid chemistry in particular. Its particular subject are novel 6-methyl estra 4,6-dienes of general formula (I) in which A is hydrogen or a lower oxoalkyl radical and B is hydrogen, or A is a free or esterified hydroxyl and B is a lower alkyl radical or a lower alcynyl radical, or A and B together form the oxygen of a cetone. The invention also relates to a method of obtaining compounds of general formula (I). These compounds are valuable synthesis agents which make it possible to obtain pharmacologically active 6-methyl 19-nor pregna 4,6-dienes. |
申请公布号 |
WO9015067(A3) |
申请公布日期 |
1991.01.24 |
申请号 |
WO1990FR00363 |
申请日期 |
1990.05.23 |
申请人 |
LABORATOIRE THERAMEX S.A. |
发明人 |
TCHERNATINSKY, CLAUDE;NASRAOUI, NEJIB, MOHAMED;PIASCO, ALAIN |
分类号 |
C07J1/00;C07J3/00;C07J7/00 |
主分类号 |
C07J1/00 |
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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