Process for the preparation of perylene-3,4,9,10-tetracarboxylic

Details Process for the preparation of perylene-3,4,9,10-tetracarboxylic Process for the preparation of perylene-3,4,9,10-tetracarboxylic

1986-01-23

1987-11-24

Rotman, Alan L.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

546 37, C07D49106, C07D41306

Patent

active

047090294

ABSTRACT:
Compounds of the formula ##STR1## in which R denotes hydrogen, hydroxyl, amino or optionally substituted alkyl, X denotes chlorine or bromine and n is a number from zero to 4, are obtained from the corresponding mono-alkali metal salts of perylene-3,4,9,10-tetracarboxylic acid monoanhydrides by reaction with compounds of the formula R-NH.sub.2, in which R has the above meaning, at 0.degree.-130.degree. C. The compounds are colorants or starting materials for colorants.

REFERENCES:
patent: 2543747 (1951-03-01), Schrader
patent: 4141881 (1979-02-01), Babler
patent: 4153602 (1979-05-01), Schiessler et al.

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