Triazolyl-coumarins

Details Triazolyl-coumarins Triazolyl-coumarins

1969-03-12

1977-01-25

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

25230129, 2602495, 2602496, 2602498, 260308B, C07D40514

Patent

active

040050980

ABSTRACT:
Triazolyl-coumarins of the formula ##STR1## wherein R.sub.1 to R.sub.4 and X are as defined herein, or their quaternization products are useful as brightening agents.

REFERENCES:
patent: 3496188 (1970-02-01), Wirth

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