Preparation and crystal structures of a bidentate isocyanide and its tetracarbonylchromium complex

Article abstract of DOI:10.1016/S0022-328X(96)06544-8

The bidentate diisocyanide ligand 2,2′-(methylendioxy)diphenylisocyanide 4 was prepared by Williamson coupling of 2-nitrophenol with dichloromethane, reduction of the nitro functions and conversion of the primary amine groups into isocyanide functions by