Bridged perinones/quinophthalones

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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C08K 534, C09B 2500

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active

059556145

ABSTRACT:
Compounds of the general formula (I) or tautomeric forms thereof ##STR1## wherein Ar.sub.1 and Ar.sub.2 independently of one another denote radicals to complete optionally substituted carbocyclic aromatic rings, B denotes an optionally substituted alkylene group or a radical of the formula ##STR2## wherein r represents a number from 1 to 4, the ends of which are in each case bonded to an aromatic C atom of the two radicals Ar.sub.1 and Ar.sub.2, and

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