Polycyclic dyes

Details Polycyclic dyes Polycyclic dyes

1991-10-23

1993-05-18

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546178, 546180, 546181, 549299, C07D21514, C07D21518, C07D30777

Patent

active

052123138

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;

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patent: 4650882 (1987-03-01), Kenyon et al.
patent: 4680417 (1987-07-01), Kenyon et al.
patent: 4916240 (1990-04-01), Kenyon
patent: 5077416 (1991-12-01), Ueda et al.
patent: 5084580 (1992-01-01), Kenyon et al.

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