13 alpha -Alkylgonanes, the preparation thereof and pharmaceutical products containing these

摘要

13 alpha -Alkylgonanes of the general formula I <IMAGE> in which R<1> is <IMAGE> with R<I> and R<II> meaning hydrogen or alkyl with 1 to 4 carbon atoms or R<I> and R<II> with inclusion of N meaning a saturated 5- or 6-membered ring, it also being possible for the ring, apart from N, to contain another hetero atom such as O, N, S, and the corresponding tertiary N-oxides and acid addition salts, OR<III> with R<III> meaning methyl, ethyl, propyl, methoxyphenyl, allyl or beta -dimethylaminoethyl, R<3> is a hydrogen atom, a methyl or ethyl group and R<3>/R<4> are <IMAGE>