The synthesis of phthalocyanines containing both nitrile and non-peripheral alkyl or alkoxy side-chains

Abstract

The synthesis of a number of phthalocyanines containing four or eight peripheral nitrile groups in addition to eight non-peripheral alkyl or alkoxyl side-chains is described. These materials are derived from the tetracyano- and tricyano-benzene derivatives prepared by the Rosenmund von Braun reaction of 1,2,4,5-tetrabromo-3,6-didodecylbenzene or 1,2,4,5-tetrabromo-3,6-hexyloxybenzene. Attempts to polymerise 1,2,4,5-tetracyano-3,5-didodecylbenzene to form a soluble polyphthalocyanine derivative failed.