Zobrazeno 1 - 3
of 3
pro vyhledávání: '"D Zdravko Dzambaski"'
Publikováno v:
Journal of the Serbian Chemical Society, Vol 69, Iss 4, Pp 239-245 (2004)
Scopus-Elsevier
Scopus-Elsevier
Pyridinium hydrobromide perbromide (PHBP) is a highly efficient reagent for the conversion of 5-substituted-2-alkylidene-4-oxothiazolidine derivatives to the corresponding thiazolidines with two fully delocalized exocyclic double bonds at the C(2) an
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 4-5, Pp 383-390 (2003)
Scopus-Elsevier
Scopus-Elsevier
Astudy on the regiospecificity of the base-catalyzed reaction of activated ?-oxonitriles 1 with diethyl mercaptosuccinate affording the title compounds 3 is reported. Other competitive heterocyclic products, that is 4-oxo-1,3-thiazinanes 4, derivativ
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 1, Pp 1-7 (2003)
Application of dynamic 1H-NMR spectroscopy added to the understanding of the hydrogen bonds existing in the structurally related 5-substituted-2-alkylidene-4-oxothiazolidines in polar and apolar solvents. The equilibrated mixtures of these typical pu