H3PMo12O40 catalyzed three-component one-pot synthesis of 4,6-diarylpyrimidin-2(1H)-ones under solvent-free conditions
作者:Zeinab Pourghobadi、Fatemeh Derikvand
DOI:10.1016/j.cclet.2009.11.003
日期:2010.3
4,6-Diarylpyrimidin-2(1H)-one derivatives have been synthesized from three-component one-pot condensation of acetophenone derivatives, aldehydes and urea in the presence of trimethylsilyl chloride and a catalytic amount of H3PMo12O40 undersolvent-freeconditions.
在三甲基甲硅烷基氯和催化量的H 3 PMo 12 O 40的存在下,由苯乙酮衍生物,醛和脲的三组分一锅缩合反应合成了4,6-二芳基嘧啶-2(1 H)-one衍生物。无溶剂条件。
Two Directions of the Reaction of 4-Bromobenzaldehyde with Substituted Acetophenones and Urea. Synthesis of Aryl-substituted Pyrimidin-2-one and Hexahydropyrimido[4,5-d]pyrimidin-2,7-dione
作者:V. F. Sedova、O. P. Shkurko
DOI:10.1023/b:cohc.0000027891.72906.c7
日期:2004.2
Highly effectual synthesis of 4,6-diarylpyrimidin-2(1<i>H</i>)-ones using <i>N</i>,<i>N</i>,<i>N</i>′,<i>N</i>′-tetramethylethylenediaminium-<i>N</i>,<i>N</i>′-disulfonic acid hydrogen sulfate as a dual-functional catalyst
作者:Roghayyeh Khanivar、Abdolkarim Zare
DOI:10.1515/znb-2018-0075
日期:2018.9.25
Abstract The highly effectual synthesis of 4,6-diarylpyrimidin-2(1H)-ones via the one-pot multicomponent reaction of acetophenones with arylaldehydes and urea in the presence of trimethylsilyl chloride and a catalytic amount of the ionicliquid N,N,N′,N′-tetramethylethylenediaminium-N,N′-disulfonic acidhydrogensulfate ([TMEDSA][HSO4]2) under solvent-free conditions has been described. The reaction