161374-09-0Relevant articles and documents
A New Biginelli Reaction Procedure using Potassium Hydrogen Sulfate as the Promoter for an Efficient Synthesis of 3,4-Dihydropyrimidin-2(1H)-one
Tu, Shujiang,Fang, Fang,Zhu, Songlei,Li, Tuanjie,Zhang, Xiaojing,Zhuang, Qiya
, p. 253 - 257 (2004)
Simple and improved conditions have been found to carry out the Biginelli reaction for the synthesis of 3,4-dihydropyrimidin-2(1H)-one derivatives. This synthesis was performed using potassium hydrogen sulfate as the promoter in ethylene glycol solution.
Polyaniline Supported FeCl3: An Effective Heterogeneous Catalyst for Biginelli Reaction
Patel, Heta A.,Sawant, Aishwarya M.,Rao, Vandana J.,Patel, Arun L.,Bedekar, Ashutosh V.
, p. 2306 - 2312 (2017/08/22)
Abstract: Polyaniline supported FeCl3 is prepared and tested as an efficient heterogeneous Lewis acidic catalyst for the Biginelli reaction. The catalyst PANI–FeCl3 shows excellent activity in the synthesis of dihydropyrimidinones fr
Polyphosphoric acid catalyst for the one-pot synthesis of 3,4-dihydropyrimidin- 2(1H)-ones by grinding under solvent-free conditions
Zhao, Ying,Zhao, Yongguang,Zhang, Jianping,Liu, Hongmei,Liang, Liman
, p. 139 - 141 (2015/01/30)
3,4-Dihydropyrimidin-2-(1H)-ones have been obtained, in high yield, by grinding ternary mixture of different substituted aromatic aldehydes, ethyl acetoacetate and urea, in the presence of polyphosphoric acid, under solventless conditions. The facile reac
