14 alpha 17 alpha -(Propano-and 172propeno) -estratrienes

摘要

PCT No. PCT/EP92/00946 Sec. 371 Date Oct. 29, 1993 Sec. 102(e) Date Oct. 29, 1993 PCT Filed Apr. 30, 1992 PCT Pub. No. WO92/19642 PCT Pub. Date Nov. 12, 1992.14 alpha ,17 alpha -(Propano-and 172-propeno)-estratrienes of general formula I <IMAGE> I in which R1 means a hydrogen atom, a methyl or an acyl group with 1-12 carbon atoms, R2 means a hydrogen atom or an acyl group with 1-12 carbon atoms and <IMAGE> a C-C single or double bond. The new compounds of general formula I are estrogen effective just as ethinyl estradiol.