O-57 One-step solvent-free synthesis of fluoroalkyl-substituted 4-hydroxy-2-oxo(thioxo)hexahydropyrimidines in the presence of 1-butyl-3-methylimidazolium tetrafluoroborate [Electronic resource] / E. S. Putilova, N. A. Troitskii, S. G. Zlotin, O. G. Khudina, Ya. V. Burgart, V. I. Saloutin, O. N. Chupakhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2006. - Vol. 42, № 9. - P1392-1395 Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: A convenient procedure has been developed for the synthesis of fluoroalkyl-substituted 6-aryl-4-hydroxy-2-oxo-(thioxo)hexahydropyrimidine derivatives by three-component condensation of fluorinated ?-dicarbonyl compounds with aromatic aldehydes and urea or thiourea in the absence of a solvent using 6 mol % of 1-butyl-3-methylimidazolium tetrafluoroborate as catalyst. \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2006, 42 (9), 1392.pdf |