Mass-spectrometric study of the cyclization of diazo compounds. 9. 2-Diazo-2-cyanoacetamides

An analysis of the electron impact mass-spectra of 2-diazo-2-cyanoacetamides and the 4-cyano-5-hydroxy-1,2,3-triazoles isomeric to them, showed that the molecular ions of these compounds do not isomerize one into another. The diazo compounds decompose, undergoing a Wolff rearrangement. To study the fragmentation of the diazoamides, one can use the crystalline adducts of these diazo compounds with triphenylphosphine, and to study the fragmentation of the triazoles, their salts with aliphatic amines.See [1] for No. 8 in the series.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1343–1349, October, 1986.