Patent ID: 8227641
Filing Date: 2012-07-24
Classification: C07C

Abstract:
1. A process for the preparation of polyfunctional amines of the formulae by hydrogenation of the associated nitriles of the formulae with hydrogen, where A is an aromatic or aliphatic compound selected from the group consisting of unsubstituted or substituted phenylene or naphthylene, methylene, unsubstituted or substituted ethylene, propylene, unsubstituted or substituted straight-chain or branched butylene, pentylene, hexylene, heptylene, octylene, nonylene, and decylene and B is a straight-chain or branched aliphatic carbon chain having 1 to 10 carbon atoms, and X can be missing or is a straight-chain or branched aliphatic carbon chain having 1 to 10 carbon atoms,