NOVEL 19-NOR STEROIDS HAVING A THIOCARBON-CONTAINING CHAIN IN THE 11BETA POSITION, A METHOD FOR PREPARING SAME AND INTERMEDIATES THEREFOR, MEDICINAL USES THEREOF AND COMPOSITIONS CONTAINING SAID STEROIDS

摘要

Compounds of formula (I), wherein R17 and R'17 are such that: either R17 and R'17 together form ketone, hydrazono, oxime or methylene, or R17 is hydroxyl, hydroxymethyl or acyloxy and R'17 is hydrogen, alkyl or optionally substitued alkenyl or alkynyl; R3 is hydrogen or alkyl; R16 is hydrogen, halogen or alkyl; m is 0, 1 or 2; X, Y and Z are such that: X is methylene, arylene or arylenoxy bonded to the steroid by a carbon atom; Y is a saturated or unsaturated straight or branched aliphatic chain which is optionally interrupted by oxygen; and Z is aryl, arylalkyl or straight or branched alkyl; addition salts thereof, a preparation method therefor, medicinal uses thereof, compositions containing said compounds, and resulting novel intermediates.