20185-02-8Relevant academic research and scientific papers
SYNTHESIS AND STRUCTURE OF THIOACYLHYDRAZONES
Zelenin, K. N.,Alekseev, V. V.,Khrustalev, V. A.
, p. 152 - 162 (2007/10/02)
A series of thioacylhydrazones of monocarbonyl compounds, which included the first representatives of previously unkonwn thioformyl- and thioacetyl-hydrazones, were synthesized.The effect of the structure on the position of the thioacylhydrazone-2,3-dihydro-1,3,4-thiadiazole ring-chain tautomeric equilibrium was studied by 1H and 13C NMR spectroscopy with the use of data for model compounds.In polar aprotic solvents a certain amount of the betaine tautomer appears in the equilibrium in individual cases in addition to the hydrazone and thiadiazoline forms.
2-PHENYL-1,3,4-THIADIAZOL-2-INES
Zelenin, K. N.,Khrustalev, V. A.,Alekseev, V. V.,Sharbatyan, P. A.,Lebedev, A. T.
, p. 683 - 689 (2007/10/02)
According to data from the 1H and 13C NMR spectra in nonpolar media and the mass spectra, alkylidene derivatives of thiobenzhydrazide have a 1,3,4-thiadiazol-2-ine structure rather than a thiobenzhydrazone structure.The products of condensation of thioben
