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

Article abstract of DOI:10.1007/BF02319336

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 tha