process for the preparation of d - gay steroi - den, and method for the preparation of a drug on the basis of these steroids.

摘要

D-homo steroids of the formula IMAGE wherein X is H, F or CH3; Y is H, F or Cl; Z is CH2, CO, beta -HOCH2, beta -AcOCH2 or, when Y is Cl, also beta -FCH2 or beta -ClCH2; R1 is H or CH3, R2 is H, OH or AcO; and one of R3 and R4 is H and the other is OH or alkoxy or both are O, possess anti-inflammatory activity.