NEW OMEGAPHENYLAMINO ALKANOIC ACIDS SUBSTITUTED ON THE AROMATIC NUCLEUS BY A RADICAL DERIVED FROM 19-NOR STEROIDS, THEIR SALTS, THEIR PREPARATION PROCESS AND THE NEW INTERMEDIATES OF THIS PROCESS, THEIR USE AS MEDICAMENTS AND THE COMPOSITIONS CONTAINING THEM

摘要

New products (I): …… in which R1 denotes an aliphatic hydrocarbon radical (C1-8), Ra and Rb denote a hydrogen or an alkyl (C1-4), R2 denotes a hydrogen or an optionally substituted alkyl (C1-12), n denotes one of the values from 1 to 6, Z denotes a carboxyl group which is free or converted into salt in the form of an alkali metal or alkaline-earth metal, ammonium or amine salt, X denotes the residue of an optionally substituted pentagonal or hexagonal ring optionally carrying an unsaturation, and the wavy line in position 13 means that R1 may be in an alpha or beta position, their salts, process for their preparation and their application as medications.