Synthesis of di- and triamino-1,1':3',1''-terphenyls from arylethylidene- and arylidenemalonodinitriles

Article abstract of DOI:10.1016/S0040-4020(98)00978-8

A three-step synthesis of several di- or triamino-m-terphenyls 19 - 23 from 3- or 4-nitrobenzylidenemalonodinitriles 1 and 1-[3- or 4-nitro(or amino)phenyl]ethylidenemalonodinitriles 2 is reported. Gewald's method was applied for a one-pot preparation fro