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Nucleophile-induced transformations of 1,2,4-triazines. 3. Anrorc constriction of the ring in the reaction of 6-aryl-3-dimethylamino-1,2,4-triazine 4-oxides with KCN

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Abstract

Reaction of 6-aryl-3-dimethylamino-1,2,4-triazine 4-oxides with KCN results in constriction of the heterocycle and formation of 3-amino-5-aryl-4-nitrosopyrazoles. Several methods including labelled K13C15N are used to demonstrate that the reaction proceeds through the ANRORC mechanism.

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Dedicated to Professor Henk van der Plas on his 70th birthday.

For No. 2, see [1].

Urals State Technical University, Ekaterinburg 620002, Russia; e-mail: mike@htf.ustu.ru. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 532–535, April, 1999.

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Kozhevnikov, V.N., Kozhevnikov, D.N., Rusinov, V.L. et al. Nucleophile-induced transformations of 1,2,4-triazines. 3. Anrorc constriction of the ring in the reaction of 6-aryl-3-dimethylamino-1,2,4-triazine 4-oxides with KCN. Chem Heterocycl Compd 35, 470–473 (1999). https://doi.org/10.1007/BF02319336

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  • DOI: https://doi.org/10.1007/BF02319336

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