Potassium Fluoride-Modified Clay as a Reusable Heterogeneous Catalyst for One-Pot Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones

被引：16
|
作者：
Bentahar, S. [1 ]
Taleb, M. Ait [2 ]
Sabour, A. [1 ]
Dbik, A. [1 ]
El Khomri, M. [1 ]
El Messaoudi, N. [1 ]
Lacherai, A. [1 ]
Mamouni, R. [2 ]
机构：
[1] Ibn Zohr Univ, Fac Sci, Dept Chem, Lab Appl Chem & Environm, Agadir, Morocco
[2] Ibn Zohr Univ, Dept Chem, Fac Sci, Team Mat Catalysis & Valorizat Nat Resources, Agadir, Morocco
来源：
RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2019年 / 55卷 / 09期
关键词：
KF-modified clay; heterogeneous catalysts; Biginelli reaction; substituted pyrimidines; 3; 4-dihy-dropyrimidin-2(1H)-ones; BIGINELLI REACTION; IMPROVED PROTOCOL; HIGHLY EFFICIENT; HETEROPOLY ACID; GREEN SYNTHESIS; DIHYDROPYRIMIDINONES; MILD;
D O I：
10.1134/S1070428019090240
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Potassium fluoride-modified clay collected from the region of Agadir (Morocco) was used as a hetaerogeneous catalyst in the one-pot synthesis of 3,4-dihydropyrimidine-2(1H)-one derivatives via the Biginelli reaction. The products were obtained with excellent yields (88-98%). The catalyst was characterized X-ray powder diffraction, Fourier-transform IR spectroscopy, scanning electron microscopy, differential thermal analysis, thermogravimetry, and Brunauer-Emmett-Teller (BET) analysis. Plausible reaction mechanisms for both reactions have been proposed. The catalyst can be recycled five times without loss of catalytic activity.
引用
收藏
页码：1423 / 1431
页数：9
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