Metal phthalocyanines and processes for the preparation thereof

Details Metal phthalocyanines and processes for the preparation thereof Metal phthalocyanines and processes for the preparation thereof

C - Chemistry, Metallurgy

09

B

C09B 47/067 (2006.01) C07D 487/22 (2006.01)

Patent

CA 2123341

Disclosed is a process for the preparation of chloroindium phthalocyanine which comprises heating a mixture of indium trichloride and ortho-phthalodinitrile in a mixture of solvents comprised of a dialkylaminoalkanol and a high boiling second solvent; and cooling the mixture to enable precipitation.

Méthode de préparation d'une phtalocyanine de chloro-indium, consistant à chauffer un mélange de trichlorure d'indium et d'ortho-phtalodinitrile dans un mélange de solvants renfermant un dialkylaminoalcanol et un second solvant à haut point d'ébullition, et à refroidir le mélange pour permettre la précipitation.

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