Bronsted acidic ionic liquid:: An efficient and reusable catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H )-ones

被引：65
|
作者：
Zheng, RW [1 ]
Wang, XX [1 ]
Xu, H [1 ]
Du, JX [1 ]
机构：
[1] Zhejiang Normal Univ, Coll Chem & Life Sci, Zhejiang Key Lab React Chem Solid Surfaces, Jinhua, Peoples R China
来源：
SYNTHETIC COMMUNICATIONS | 2006年 / 36卷 / 11期
关键词：
Biginelli reaction; Bronsted acidic ionic liquid; dihydropyrimidinone; recyclable catalyst;
D O I：
10.1080/00397910600588488
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A novel ionic liquid, 3-carboxymethyl-1-methylimidazolium bisulfate (CMImHSO(4)), was synthesized and used as a recyclable catalyst for the Biginelli reaction under solvent-free conditions. High yields of various substituted 3,4-dihydropyrimidin-2(1H)-ones (or thiones) were obtained. The ionic liquid can be recovered and recycled easily without loss of activity.
引用
收藏
页码：1503 / 1513
页数：11
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