Verfahren zur Herstellung von Steroiden der OEstranreihe

摘要

Steroids of the general formula:- (I) where R1 = H2 or O R2 = OH or Oacyl R3 = H or alkyl, alkenyl or alkynyl (1-4C) or R2R3 = O P = Q = H, Me or Et Compounds (I) show anabolic, androgenic, progestative, ovulation inhibiting and pregnancy maintaining properties.