Monosulfonated 2-(2'-hydroxyphenyl)-benzotriazoles

Details Monosulfonated 2-(2'-hydroxyphenyl)-benzotriazoles Monosulfonated 2-(2'-hydroxyphenyl)-benzotriazoles

1990-09-07

1992-08-25

Morris, Patricia L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D24920

Patent

active

051420597

ABSTRACT:
Monosulfonated 2-(2'-hydroxyphenyl)-benzotriazoles of the formula ##STR1## in which R.sub.1 is hydrogen or chlorine and one of R.sub.2 and R.sub.3 is chlorine or lower alkyl and the other is a radical of the formula ##STR2## in which R.sub.4 and R.sub.5 independently of one another are hydrogen or methyl and M is hydrogen, an alkali metal or ammonium.
The compounds of the formula (1) are used as UV absorbers for polyamide fibres, wool and mixtures thereof.

REFERENCES:
patent: 4226763 (1980-10-01), Dexter
patent: 4275004 (1981-06-01), Winter
patent: 4278589 (1981-07-01), Dexter
patent: 4315848 (1982-02-01), Dexter
patent: 4347180 (1982-08-01), Winter
patent: 4990623 (1991-02-01), Berenbaum et al.

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