Polycylic dyes

Details Polycylic dyes Polycylic dyes

1989-09-21

1992-01-28

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546197, 544148, C07D49304

Patent

active

050845802

ABSTRACT:
Compounds of the Formula VII: ##STR1## wherein; X.sup.1 and X.sup.2 are each independently selected from H, cyano, alkyl, alkoxy, aryl, carbamoyl, sulphamoyl, COOH and carboxylic acid ester;

REFERENCES:
patent: 4115404 (1978-09-01), Greenhalgh et al.
patent: 4333877 (1982-06-01), Carey et al.
patent: 4916240 (1990-04-01), Kenyon

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