Process for the halogenation of copper phthalocyanine

Details Process for the halogenation of copper phthalocyanine Process for the halogenation of copper phthalocyanine

1989-05-16

1990-08-14

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540136, 540137, C07D48722, C09B 4704

Patent

active

049488848

ABSTRACT:
Provided according to this invention is a process for the halogenation of copper phthalocyanine in titanium tetrachloride in the presence of aluminum chloride, which comprises preliminarily stirring both a part or all of the aluminum chloride and the copper phthalocyanine in titanium tetrachloride at not less than 50.degree. C. and carrying out the halogenation reaction, provided that when the part of the aluminum chloride is added for the preliminary stirring, the remaining portion of the aluminum chloride is added during the halogenation reaction.

REFERENCES:
patent: 3231583 (1966-01-01), Frey
Kleist et al., Chemical Abstracts, vol. 86 (1977), 173078k.

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