A green and efficient method for the preparation of 3, 4-dihydropyrimidin-2(1H)-ones using quaternary ammonium- treated clay in water

Journal of Chemical Reactivity and Synthesis

مقاله 8، دوره 1، شماره 3، مرداد 2011، صفحه 49-56

نوع مقاله: Research Article

نویسندگان

Soheil Sayyahi^{* 1}؛ Sedigheh Jahanbakhshi²؛ Zahra Dehghani²

¹Chemistry Department, Mahshahr Branch, Islamic Azad University, Mahshahr 63519, Iran

²Chemistry Department, Omidieh Branch, Islamic Azad University, Omidieh, Iran

چکیده

The reactive intermediate generated by the addition of tert-butyl and 1,1,3,3-tetramethyl butyl isocyanide and cyclohexyl isocyanide to dialkyl acetylenedicarboxylate was trapped by 3-hydroxy pyridine to produce highly functionalized 4H-chromenes in fairly good  yields

کلیدواژه‌ها

organoclay؛ 3؛ 4-Dihydropyrimidin-2(1H)-ones؛ Multicomponent reactions؛ Biginelli reaction