Phenyl ketone derivatives

Details Phenyl ketone derivatives Phenyl ketone derivatives

1987-12-30

1990-02-13

Hearn, Brian E.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D26530, C08F 250

Patent

active

049008234

ABSTRACT:
Compounds of the formula I, II or III ##STR1## in which Ar and Ar' are an oxygen-containing aromatic radical, R.sup.1 and R.sup.2 are a monovalent hydrocarbon radical which is substituted or unsubstituted, or R.sup.1 and R.sup.2 together form alkylene, oxaalkylene or azaalkylene, R.sup.3 is a direct bond or a divalent hydrocarbon radical, X and X' are a monovalent amino group and Y is a divalent amino or diamino group, are excellent photoinitiators for the photocuring of colored, especially pigmented, compositions containing an olefinically unsaturated, photopolymerizable binder.

REFERENCES:
patent: 3917594 (1975-11-01), Hoke
patent: 4271294 (1981-06-01), Felder et al.
patent: 4284485 (1981-08-01), Berner
patent: 4318791 (1982-03-01), Felder et al.
patent: 4559371 (1985-12-01), Husler et al.
patent: 4739052 (1988-04-01), Husler et al.

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