Benzotriazole nitro derivatives were prepared by nitration of the corresponding benzotriazoles and by methylation or cyclization of appropriate nitro-1,2-phenylenediamines. Structures and tautomerism of the nitrobenzotriazoles were studied by multinuclear (1)H, (13)C, (15)N, and 2D NMR spectroscopy and quantum chemistry.
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| http://dx.doi.org/10.1002/mrc.2366 | DOI Listing |
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