154391-64-7Relevant academic research and scientific papers
Imine-Enamine Tautomerization Of Dihydroazolopyrimidines 4. Synthesis And Tautomerization Of 5-(2-hydroxyphenyl)-Dihydro-1,2,4-Triazolopyrimidines
Desenko, S. M.,Orlov, V. D.,Getmanskii, N. V.,Komykhov, S. A.
, p. 1160 - 1162 (2007/10/02)
The conensation of 3-amino-1,2,4-triazole with 2'-hydroxychalcones gives 7-aryl-5-(2-hydroxyphenyl)-4,7(6,7)-dihydro-1,2,4-triazolopyrimidines.Both tautomeric forms were isolated for a number of these compounds.PMR spectroscopy was used to show that the enamine form is predominant in DMSO in contrast to the case in CHCl3.
