Patent ID: 6923835
Filing Date: 2005-08-02
Classification: C07D

Abstract:
1. A compound chosen from bis-para-phenylenediamine derivatives substituted with at least one pyrrolidyl group, wherein said pyrrolidyl-substituded bis-para-phenylenediamine derivatives are chosen from derivatives corresponding to formula (I) and the corresponding salts thereof: wherein: n and n′, which may be identical or different, are integers ranging from 0 to 4, wherein if either n or n′ is greater than or equal to 2, then R R A is chosen from a covalent bond and linear and branched, saturated and unsaturated alkylene chains comprising from 1 to 14 carbon atoms, and wherein at least one of the carbon atoms of the chain may optionally be replaced with an entity chosen from: onium radical Z, oxygen, sulphur, silicon and nitrogen atoms, and CO, SO, and SO R R