Patent ID: 7227034
Filing Date: 2007-06-05
Classification: C07C

Abstract:
1. A process for forming a 4-aminobiphenyl derivative arylamine compound, comprising: (i) providing a first disubstituted 4-aminobiphenyl compound; (ii) optionally formylating said first disubstituted 4-aminobiphenyl compound to form a bisformyl substituted compound, where said first disubstituted 4-aminobiphenyl compound is not a bisformyl substituted compound; (iii) acidifying said bisformyl substituted compound to convert formyl functional groups into acid functional groups to form an acidified compound; and (iv) hydrogenating said acidified compound to saturate at least one unsaturated double bonds in the acidified compound, wherein there is provided a second disubstituted 4-aminobiphenyl compound.