Polycyclic vat dyes

Details Polycyclic vat dyes Polycyclic vat dyes

1994-08-10

1996-07-09

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C09B 540

Patent

active

055346278

ABSTRACT:
Polycyclic vat dyes of the general formula I ##STR1## where X is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen or nitro, obtainable by reacting (9)-benzo-5-aminoanthraquinonyl(2,1-h)-8-azapyrenone-3(II) ##STR2## with a benzoyl chloride of the formula III ##STR3## in a dipolar aprotic solvent.

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patent: 2022240 (1935-11-01), Honold et al.
patent: 2040380 (1936-05-01), Honold et al.
patent: 2530010 (1950-11-01), Fioroni
Bios Final Report 1493, p. 32.

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