Coumarin derivatives

Details Coumarin derivatives Coumarin derivatives

1976-05-03

1977-11-29

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2523012, 252 9, 260308A, C07D24906, C07D24908

Patent

active

040605310

ABSTRACT:
Coumarin compounds of the formula: ##STR1## in which R represents an alkyl group containing 1 to 5 carbon atoms, either unsubstituted or substituted by a non-ionic and non-chromophoric group, one of the substituents R.sub.1 or R.sub.2 represents a triazole radical, and the other represents hydrogen or a halogen, or an alkyl group containing from 1 to 3 carbon atoms, the triazole radical being unsubstituted or substituted by one or two substituents consisting of an alkyl group containing from 1 to 3 carbon atoms or an aryl group; processes for their preparation and their use as fluorescent brightening agents for polyester fibres.

REFERENCES:
patent: 3271412 (1966-09-01), Raue et al.
patent: 3288804 (1966-11-01), Fleck et al.
patent: 3658833 (1972-04-01), Kabas et al.
Domergue et al., C.A. 80, 49275j (1974)-Abstract of Ger. Offen. No. 2,319,828 of 10-25-73.

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