Perylene-3,4,9,10-tetracarboxylic acid monoanhydride monoimide a

Details Perylene-3,4,9,10-tetracarboxylic acid monoanhydride monoimide a Perylene-3,4,9,10-tetracarboxylic acid monoanhydride monoimide a

1984-03-12

1986-06-10

Lesmes, George F.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 37, 546 41, C07D49106, C09B 562

Patent

active

045944202

ABSTRACT:
Compounds of the formula ##STR1## wherein X denotes a chlorine or bromine atom, n denotes a number from zero to 4 and Y denotes an oxygen atom or a nitrogen atom, and A, if Y represents an oxygen atom, is the phenyl radical, which can be substituted by substituents from the group comprising halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, carbalkoxy with 1-4 carbon atoms in the alkyl radical, hydroxyl, carboxyl, CF.sub.3, nitro, phenoxy, phenoxy which is substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy and/or halogen, phenylamino, phenylamino which is substituted in the phenyl radical by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy and/or halogen, phenylazo and phenylazo which is substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -akloxy and/or halogen, or is the pyridyl radical, which can be substituted by halogen and/or C.sub.1 -C.sub.4 -alkyl, or A, if Y represents a nitrogen atom, is the o-phenylene radical, which, together with Y and the other nitrogen atom, forms the benzimidazole ring, it being possible for the benzene nucleus of the benzimidazole ring to be substituted by substituents from the group comprising halogen, C.sub.1 -C.sub.4 -alkyl and C.sub.1 -C.sub.4 -alkoxy, processes for their preparation and their use as colorants or their use as intermediates for the preparation of colorants.

REFERENCES:
patent: 1924090 (1933-08-01), Eckert
patent: 3871882 (1975-03-01), Wiedemann

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