Polyguanidine as a Highly Efficient and Reusable Catalyst for Knoevenagel Condensation Reactions in Water

被引：5

作者：

Zhao, Xian-Liang ^{[1
]}

Yang, Ke-Fang ^{[2
]}

Liu, Xuan-Gan ^{[1
]}

Ye, Chun-Lin ^{[1
]}

Xu, Li-Wen ^{[2
]}

Lai, Guo-Qiao ^{[2
]}

机构：

[1] Zhejiang Univ Sci & Technol, Sch Biol & Chem Engn, Hangzhou 310023, Zhejiang, Peoples R China

[2] Hangzhou Normal Univ, Minist Educ, Key Lab Organosilicon Chem & Mat Technol, Hangzhou 310012, Zhejiang, Peoples R China

来源：

AUSTRALIAN JOURNAL OF CHEMISTRY | 2013年 / 66卷 / 04期

基金：

中国国家自然科学基金;

关键词：

ORGANIC-REACTIONS; AQUEOUS-MEDIA; IONIC LIQUID; DERIVATIVES; ZEOLITE; SOLVENT; FOCUS;

D O I：

10.1071/CH12507

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Polyguanidine is used as a novel and highly efficient catalyst in the Knoevenagel reaction of aldehydes with active methylene compounds in water to afford substituted electrophilic alkenes. This method is applicable for a wide range of aldehydes including aromatic and heterocyclic substrates. The polyguanidine catalyst can be recovered by simple filtration and reused many times for the aqueous Knoevenagel reaction without loss of activity.

引用

页码：500 / 504

页数：5

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