PROGESTATIONALLY ACTIVE STEROIDS

摘要

Novel steroids having formula (I), wherein, R1 is selected from the group consisting of methyl, ethyl, and propyl; R2 is selected from the group consisting of H and methyl; R3 is selected from the group consisting of OXO and H(OR5);$(12,)$wherein R4 is selected from the group consisting of H¿2?, H(methyl), H(Cl), H(F), and =CH2; or$(8,)$wherein R is selected from the group consisting of H, methyl, Cl, and F. Q-S is selected from the group consisting of -CH=CH- and -CH2CH2-. Also disclosed is a method for making and therapeutically using the steroids and for making the intermediates.