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Note | Regular issue | Vol 45, No. 7, 1997, pp.1391-1395
Published online, 1st January, 1970
DOI: 10.3987/COM-97-7809
Structural Elucidation of Isomeric Methyl (E)-3-[5-Aminobenzotriazol-1(2)(3)-yl]propenoates by NMR Spectroscopy

Antonio Carta, Paolo Sanna,* and Henriette Molinari

*Instituto di Chimica Farmaceutica e Tossicologica, University of Sassari, Via Muroni 23/a, 07100 Sassari, Italy

Abstract

Revised attribution of the structure to three isomers of methyl (E)-3-[5-aminobenzotriazol-1(2)(3)-yl]propenoate ((E)-2, 3 and 4), using combined experiments of mono- and two-dimensional NMR spectroscopy, is reported.