Triazolyl-stilbenes

Details Triazolyl-stilbenes Triazolyl-stilbenes

1979-04-23

1980-11-11

Demers, Arthur P.

Harness for working animal

25230122, 542462, C07D24906

Patent

active

042334403

ABSTRACT:
The subject matter are triazolyl-stilbenes of the formula ##STR1## wherein R.sub.1 represents an optionally substituted styryl, biphenylyl or naphthyl radical, R.sub.2 represents hydrogen, halogen, or an alkyl or phenyl radical and R.sub.3 represents nitrile, carboxyl or carboxylic acid ester, as well as their preparation and their use as optical brighteners.

REFERENCES:
patent: 3761470 (1973-09-01), Strobel et al.
patent: 3816413 (1974-06-01), Kirchmayr
patent: 3862179 (1975-01-01), Kabas et al.

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