| 摘要 |
Novel 16 alpha , 17 alpha carbocylic steroids of general formula (I), wherein R<17>=C2-C5 alcanoyl, but not acetyl, when R<2'> and R<3'> both mean a hydrogen atom, C2-C5-(1-hydroxy)-alkyl, C2-C5 -(1-aroyloxy)-alkyl, C2-C5-(1-C1-C5-alkanoyloxy)-alkyl, C2-C5-1(aroyloxy)-alkyl, C2-C5-(1-aroyloxy)-alkyl, C2-C5-(2-hydroxy)-alcanoyl, cyano, (hydroxyamino)-carbonyl, (C1-C5-alcoxyamino)-carbonyl, C1-C5-(1 hydroxyimino)-alkyl, C1-C5-(1-C1-C5-alcoxyimino)-alkyl, C1-C5-(1-C1-C5- alkylimino)-alkyl, C1-C5-(1-C1-C5-alkanoyloximino)-alkyl, C1-C5-(1-alkylaminocarbonyloxy)-alkyl, C2-C5-(1-arylaminocarbonyloxy)-alkyl, R<13>=methyl or ethyl, R<2'>, R<3'>, R<4'> mean individually a hydrogen atom or a methyl group, C<2'>-C<3'> mean a C-C- single or double bond, X means 2 hydrogen atoms, a hydrogen atom and a hydroxy group, a radical of formula -S-(CH2)n-S- with n=2,3,4 or 5, an oxygen atom, a hydroxyimino-, C1-C6-alcoxy-, C1-C6-alcanoyl, C1-C6 alcoxycarbonylimino, C1-C6-alcoxyimimino, C1-C6-alcoxycarbonyloximino- or a C1-C6 alkanoyloximino group. The invention also describes a method for the production thereof. The compounds of formula (I) exhibit high progestogenic efficiency, and are suitable for the production of medicaments. |
