in neat (no solvent) chlorination of (CuC32H8Cl8N8) in presence of freshly recrystd. Sb2S3 at 200-210°C;;

MOA in further solvent(s) tetrachloro-phthalic acid anhydride, urea and CuCl in the diluent polychlorobenzene or trichlorobenzene in the presence of (NH4)2MoO4 as catalyst; various temp.;; impurities: chlorphthalocyanine;;

diarsenic pentoxide in nitrobenzene tetrachloro-phthalic acid anhydride, urea and Cu in the diluent nitrobenzene in the presence of As2O5 as catalyst;; impurities: chlorphthalocyanine;;

aluminium trichloride; sodium chloride in melt at 200°C;;