Preparation of metal phthalocyanines by reacting ortho-dinitrile

Details Preparation of metal phthalocyanines by reacting ortho-dinitrile Preparation of metal phthalocyanines by reacting ortho-dinitrile

1993-10-13

1995-07-04

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C09B 47067

Patent

active

054301432

ABSTRACT:
A process is described for preparing metal phthalocyanines by reacting orthodinitriles dissolved or suspended in organic solvents or pulverulent mixtures of ortho-dinitriles with anhydrous ammine-metal carboxylate salts or metal-aminocarboxylic acid complexes without alkaline or chloride-containing additaments using an ortho-dinitrile excess of from 0.1 to 5% by weight.

REFERENCES:
patent: 3985767 (1976-10-01), Nicaise et al.

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