Nucleophilic substitution of hydrogen in the reaction of 1,2,4-triazin-4-oxides with cyanamide |
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| Authors: | V N Kozhevnikov A M Prokhorov D N Kozhevnikov V L Rusinov O N Chupakhin |
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| Institution: | (1) Ural State Technical University, 19 prosp. Mira, 620002 Ekaterinburg, Russian Federation |
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| Abstract: | It was shown that cyanamide can successfully be used in reactions of nucleophilic substitution of hydrogen with 1,2,4-triazin-4-oxides
in the presence of a base to give 5-cyanoimino-1,2,4-triazines. It was found by13C NMR spectroscopy that these compounds and their alkylation products at the cyclic nitrogen atom exist in the form of 5-cyanoimino-2,5-dihydro-1,2,4-triazines.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 6, pp. 1128–1130, June, 2000. |
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| Keywords: | nucleophilic substitution of hydrogen cyanamide 1 2 4-triazin-4-oxides 5-cyanoimino-1 2 4-triazines 1H and13C NMR spectroscopy |
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