SUBSTITUTED PHTHALOCYANINES AND THEIR PRECURSORS

摘要

This invention relates to a process for the preparation of phthalonitrile sulfonate esters, a process for the preparation of substituted phthalonitril es using said phthalonitrile sulfonate esters, a process for the preparation of substituted phthalocyanines using said substituted phthalonitriles, a proces s for the preparation of phthalonitrile halides, a process for the preparation of substituted phthalocyanines using said phthalonitrile halides, novel phthalonitrile sulfonate esters, novel substituted phthalonitriles, novel substituted phthalocyanines and certain uses of said novel substituted phthalocyanines.