Silica-bonded N-propyl sulfamic acid: A recyclable catalyst for microwave-assisted synthesis of spirooxindoles via three-component reaction

被引：0
|
作者：
Gharib, A. [1 ,2 ]
Pesyan, N. N. [3 ]
Khorasani, B. R. H. [2 ]
Roshani, M. [1 ]
Scheeren, J. W. [4 ]
机构：
[1] Islamic Azad Univ, Dept Chem, Mashhad, Iran
[2] Agr Res & Serv Ctr, Mashhad, Iran
[3] Urmia Univ, Fac Sci, Dept Chem, Orumiyeh 57159, Iran
[4] Radboud Univ Nijmegen, Dept Organ Chem, Cluster Mol Chem, NL-6525 ED Nijmegen, Netherlands
来源：
BULGARIAN CHEMICAL COMMUNICATIONS | 2013年 / 45卷 / 03期
关键词：
Silica-bonded N-propyl sulfamic acid (SBNPSA); Spirooxindoles; isatin; three-component; Irradiation microwave; MULTICOMPONENT REACTIONS; AGENTS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Silica bonded N-propyl sulfamic acid (SBNPSA) is employed as a solid acid catalyst for the synthesis of spirooxindoles via three-component reaction in good yields and short reaction times in ethanol under irradiation micrwave conditions. Irradiation of the combination of isatin or acenaphthoquinone, an activated methylene reagent, and 1,3-dicarbonyl compounds in the presence of catalytic (SBNPSA) was found to be a suitable and efficient method for the synthesis of the biologically important spirooxindoles.
引用
收藏
页码：371 / 378
页数：8
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