Copper phthalocyanines prodn - by reaction of phthalodnitriles with copper powder/copper salt mixtures

摘要

In a prior art process phthalodinitrile is reacted in inert solvent with a Cu powder/CuCl2 mixture but here other Cu salts may be used e.g. anhydrous CuSO4 or copper acetate instead of Cu2Cl2.