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Note | Regular issue | Vol 65, No. 6, 2005, pp.1393-1401
Published online, 19th April, 2005
DOI: 10.3987/COM-04-10304
Synthesis of New Ultraviolet Light Absorbers Based on 2-Aryl-2H-benzotriazoles

Aristides G. Koutsimpelis, Constantinos G. Screttas,* and Olga Igglessi-Markopoulou

*Institute of Organic and Pharmaceutical Chemistry, National Hellenic Research Foundation, 48, Vas. Constantinou Ave., 116 35 Athens, Greece


A procedure for the synthesis of some new ultraviolet absorbers of the benzotriazole series is reported. The compounds bear a carboxylic or a formyl group para to the hydroxy group, and these functionalities impart to the absorbers improved compatibility with certain disperse dyes on polyester fibers.