Naphthalocyanine compound and production thereof

Details Naphthalocyanine compound and production thereof Naphthalocyanine compound and production thereof

1991-05-15

1992-09-22

Brust, Joseph Paul

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

Organic compounds

Phosphorus esters

558386, 540128, C07C25552

Patent

active

051498472

ABSTRACT:
Disclosed is a novel naphthalocyanine compound which strongly absorbs light of near infrared region and which is chemically stable and highly soluble to an organic solvent. The naphthalocyanine compound is represented by the following formula [1]; ##STR1## wherein X represents ##STR2## (provided that R.sup.1 and R.sup.2 respectively represent a hydroxyl group, an alkyl group, an aryl group or an alkoxy group,) and M represents 2H, a metal atom, a metal oxide residue or a metal chloride residue. The present invention also provides a process for producing the naphthalocyanine compound, an intermediate thereof and a process for producing the intermediate.

REFERENCES:
patent: 2613129 (1952-10-01), McCormack et al.
patent: 4492750 (1985-01-01), Law et al.
patent: 5034309 (1991-07-01), Tai et al.
Research Disclosure, No. 163, (Nov., 1977), Havant GB, pp. 78-79.

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