PROCEDIMENTO PER LA PRODUZIONE DI 14,15-DERIVATI METILENICI DELLA SERIE D'ESTRANO

摘要

Compounds of the general formula <IMAGE> in which R' is hydrogen or a methyl radical; R is a hydroxyl, acetoxy, arylaminocarbonyloxy, alkylaminocarbonyloxy radical; Z is hydrogen or a lower alkyl, or R and Z together are oxygen. These compounds exhibit a very favorable separation of desirable contraceptive and undesirable uterine and antigonadotrophic properties.