3-Phenyl-7-(v-triazol-2-yl)-coumarins

Details 3-Phenyl-7-(v-triazol-2-yl)-coumarins 3-Phenyl-7-(v-triazol-2-yl)-coumarins

1977-03-16

1979-02-27

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 1W, 25230125, 25230126, 25230129, 26034345, 544132, 546196, C07D40504, C07D41304, C09K 102

Patent

active

041419006

ABSTRACT:
Novel 3-phenyl-7-(v-triazol-2-yl)-coumarins of the formula ##STR1## wherein R represents hydrogen, unsubstituted or substituted alkyl, alkenyl, alkanyol, aroyl, aralkyl, alkoxycarbonyl, carbamoyl or v-epoxyalkyl, the rings A, B and C being optionally substituted with further non-chromophoric substituents, processes for their preparation as well as a process for optically brightening organic material on using said compounds are disclosed.

REFERENCES:
patent: 3496189 (1970-02-01), Wirth et al.
patent: 3542689 (1970-11-01), Kirchmayr et al.
patent: 3646052 (1972-02-01), Neuner et al.
patent: 3839352 (1974-10-01), Kirchmayr et al.

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