Method for producing copper phthalocyanine using thiols

Details Method for producing copper phthalocyanine using thiols Method for producing copper phthalocyanine using thiols

1995-03-08

1996-03-05

Shah, Mukund J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540140, 540142, 540144, C09B 4704, C09B 4706

Patent

active

054969395

ABSTRACT:
A method for producing copper phthalocyanine, which comprises heating and reacting phthalic acid or a phthalic acid derivative, urea or a urea derivative, and a copper compound, using molybdenum or a molybdenum compound as a catalyst, in the presence or absence of an inert organic solvent, wherein at least one compound selected from the group consisting of an aromatic dithiol compound of the following formula (I), a saturated aliphatic dithiol compound of the following formula (II), and their precursors, or at least one compound selected from the group consisting of a ruthenium compound and an osmium compound, is added to the reaction system: ##STR1##

REFERENCES:
patent: 4906747 (1990-03-01), Segawa et al.
patent: 5153314 (1992-10-01), Segawa et al.
patent: 5318623 (1994-06-01), Azuma et al.

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