Silica-bonded N-propylpiperazine sodium n-propionate as an efficient recyclable catalyst for one-pot synthesis of 2-amino-4-aryl-4H,8H-6-methyl-8-oxo-pyrano[3,2-b]pyran derivatives

被引：0
作者：
Syed Sheik Mansoor
Azhar Ariffin
S. P. N. Sudhan
机构：
[1] C. Abdul Hakeem College,Research Department of Chemistry, Bioactive Organic Molecule Synthetic Unit
[2] University of Malaya,Department of Chemistry, Faculty of Science
来源：
Research on Chemical Intermediates | 2015年 / 41卷
关键词：
5-Hydroxy-2-methyl-4; -pyran-4-one (allomaltol); Silica-bonded ; -propylpiperazine sodium ; -propionate; Pyrano[3,2-; ]pyran; Malononitrile; Cyanoacetate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An efficient and convenient method for synthesis of a series of 2-amino-4-aryl-4H,8H-6-methyl-8-oxo-pyrano[3,2-b]pyran derivatives by one-pot, three-component reaction of an aromatic aldehyde, malononitrile or a cyanoacetate, and 5-hydroxy-2-methyl-4H-pyran-4-one (allomaltol) in the presence of a catalytic amount of silica-bonded N-propylpiperazine sodium n-propionate (SBPPSP), in aqueous ethanol, is described. The method has the advantages of short reaction time, mild reaction conditions, high yields, and convenience.
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页码：6687 / 6705
页数：18
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