13C NMR spectra of 1-(N-arylidene)amino-1,2,3-triazoles |
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Authors: | N. A. Rodios C. A. Tsoleridis N. E. Alexandrou |
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Abstract: | The 13C nmr spectra of several 1-(N-arylidene)amino-1,2,3-triazoles were determined. The long range influence of substituents on 13C resonances of triazole and C = N carbon atoms was examined and a correlation of their chemical shifts with net charge densities (qπ + σ) calculated by the CNDO/2 method was made. It was also shown that the dependence of the coupling constants 1J(CH) for C = N carbon on the substituents is better correlated using electrons in bond values instead of charge densities. |
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