76689-65-1Relevant academic research and scientific papers
Thiadiazoles and Dihydrothiadiazoles. Part 5. Synthesis of 2,3-Dihydro-1,3,4-thiadiazoles by Reaction of Aldehydes or Ketones with Thioaroylhydrazines
Evans, D. Michael,Hill, Lawrence,Taylor, David R.,Myers, Malcolm
, p. 1499 - 1506 (2007/10/02)
A general method for the synthesis of 2,5- and 2,2,5-substituted 2,3-dihydro-1,3,4-thiadiazoles is described, involving the condensation of aldehydes or ketones with thioaroylhydrazines.Evidence for the cyclic nature of the products is discussed.The react
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
SEMICARBAZONES AND THIOSEMICARBAZONES OF THE HETEROCYCLIC SERIES. XLIV. CYCLIZATION OF ISATIN AND 1-ACETYLISATIN 3-THIOBENZOYLHYDRAZONES
Tomchin, A.B.
, p. 504 - 510 (2007/10/02)
Isatin 3-thiobenzoylhydrazone undergoes cyclization with the addition of the sulfur atom to the C3 atom and closure of the thiadiazole ring.In contrast, 3-thioaroylhydrazones of 1-acetylisatin undergo cyclization with participation of C2 and close the thiadiazine ring with the formation of derivatives of the new heterocyclic system thiadiazinoindole.
