Method of synthesizing 2-(2'-hydroxyphenyl) benzotriazole compou

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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548259, C07D24920

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active

056706545

ABSTRACT:
A method for preparing a compound of formula (VII): ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and X are defined in the specification;
the method comprising:

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Freeman et al., "An Approach to the Design of Lightfast Disperse Dyes--Analgos of Disperse Yellow 42", 12 May 1992, pp. 172-195.
Judi Rosevear & John F. K. Wilshire, "The Reduction of Some o-Nitrophenylazo Dyes With Thiourea S,S-Dioxide (Formamidinesulfinic Acid): A General Synthesis of 2-Aryl-2H-Benzotriazoles and Their 1-Oxides", pp. 2489-2497 (1984).
Judi Rosevear & John F. K. Wilshire, "Preparation of Some 2-(Methoxyphenyl)-2H-Benzotriazoles and the Corresponding Hydroxyphenyl Compounds", pp. 1663-1673 1987.

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