Process for producing dimethylaminomethyl copper phthalocyanine

Details Process for producing dimethylaminomethyl copper phthalocyanine Process for producing dimethylaminomethyl copper phthalocyanine

1988-12-05

1989-12-19

Morris, Theodore

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

106411, C09B 6750

Patent

active

048884227

ABSTRACT:
Dimethylaminomethyl copper phthalocyanine and/or its derivative represented by the general formula, ##STR1## wherein CuPc represents a copper phthalocyanine residue, X represents a hydrogen atom, a halogen atom, the group --SO.sub.3 H or the group --CH.sub.2 OH, and m and n independently represent an integer of 1 to 4,
and containing only small amounts of by-products is produced by a process comprising reacting aminomethyl copper phthalocyanine and/or its derivatives represented by the general formula ##STR2## wherein CuPc, X, m and n are as defined above, with formic acid and a formaldehyde-generating substance at a temperature of 130.degree. to 150.degree. C. under a pressure of 3 to 10 kg/cm.sup.2 (gauge).

REFERENCES:
patent: 4810297 (1989-05-01), Takei et al.

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