Substituted furopyridinones and furopyrazinones

Details Substituted furopyridinones and furopyrazinones Substituted furopyridinones and furopyrazinones

1978-12-11

1980-07-08

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

282 275, 427151, 544350, 544405, 544406, 546273, 546315, 546322, C07D49104

Patent

active

042118727

ABSTRACT:
Substituted furopyridinones and furopyrazinones which are useful as color formers in pressure-sensitive carbonless duplicating systems and thermal marking systems are prepared by reacting diphenylamines with substituted benzoyl (or 3-indolylcarbonyl)pyridinecarboxylic acids and substituted benzoyl (or 3-indolylcarbonyl)pyrazinecarboxylic acids, respectively.

REFERENCES:
patent: 3509173 (1970-04-01), Lin
patent: 3775424 (1973-11-01), Farber

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