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Note | Regular issue | Vol 55, No. 6, 2001, pp.1133-1140
Published online, 1st January, 1970
DOI: 10.3987/COM-01-9189
13C-NMR as Useful Tool for Unambiguous Identification of Ring Substituted N1(2)(3)-Alkylbenzotriazole Isomers

Antonio Carta,* Paolo Sanna, Giuseppe Paglietti, and Fabio Sparatore

*Dipartimento Farmaco Chimico Tossicologico, University of Sassari, Via Muroni 23/A, 07100 Sassari, Italy

Abstract

Analysis of the chemical shifts of C-3a and C-7a angular atoms in the benzotriazoles bearing a substituent on the ring and an alkyl group on the nitrogen position of the triazole moiety proved to be a good tool for identification of the different N-alkyl isomers.