New 17alpha-Cyanomethylestra-4,9-dien-derivatives, a process for the production of these compounds and pharmaceutical compositions containing them
摘要
<p>3-(Oxo or imino)-17 alpha -cyanomethylestra-4,9-diene 17 beta ethers and esters (I) are new: R1 = Me or Et; R2 = 1-10C alkyl, 1-10C acyl or trialkylsilyl; R3 = O or NOR; R = H; 1-10C acyl, 1-10C alkyl, sulphamoyl, or alkyl- or trialkylsilyl.</p>
