AT POSITION 17 ESTERIFIED AND AT POSITION 21 THIO-ESTERIFIED STEROIDS, PROCESS FOR THEIR PREPARATION AND THEIR UTILISATION AS PHARMACEUTICAL PREPARATIONS

摘要

Compounds of formula: wherein A and B each represent, independently of each other, a straight-chained or branched alkyl group having from 1 to 6 carbon atoms or a phenyl group optionally mono- or polysubstituted by alkyl radicals having from 1 to 6 carbon atoms, alkoxy groups having from 1 to 6 carbon atoms or halogen, T and U, independently of each other, represent hydrogen atoms or together form a double bond, V is a hydrogen atom or a methyl group at the alpha -position, W is a hydrogen atom or a halogen atom at the alpha -position, X is a hydroxy group at the beta -position and Y is a hydrogen atom or X and Y may together represent an oxygen atom, and Z1 is a hydrogen atom, a methyl group at the alpha - or beta -position, while Z2 is a hydrogen atom, or Z1 and Z2 together form a methylene group. These compounds have anti-inflammatory activity.