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Communication | Regular issue | Vol 57, No. 7, 2002, pp.1227-1230
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9497
Selective Protection of 5-Aminobenzotriazole for Controlled Reaction at the Primary Amine

Denise McKeown, Callum J. McHugh, Ailie McCabe, W. Ewen Smith, and Duncan Graham*

*Department of Pure and Applied Chemistry, University of Strathclyde, 295 Catheral Street, Glasgow G1 1XL, U.K.

Abstract

The selective protection of the triazole function of 5-aminobenzotriazole is reported. Two different protecting groups were used to prevent side reactions through the triazole amine acting as a leaving group when 5-aminobenzotriazole was used as a nucleophile. This allowed the addition of aminobenzotriazole to two target molecules to impart metal complexing properties to the new species.