Covalently anchored sulfonic acid onto silica as an efficient and recoverable interphase catalyst for the synthesis of 3,4-dihydropyrimidinones/thiones

被引：93

作者：

Gupta, Raman ^{[1
]}

Paul, Satya ^{[1
]}

Gupta, Rajive ^{[1
]}

机构：

[1] Univ Jammu, Dept Chem, Jammu 180006, India

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2007年 / 266卷 / 1-2期

关键词：

sulfonic acid functionalized silica; Biginelli reaction; re-usable heterogeneous catalyst; green procedure; solid-liquid phase catalysis;

D O I：

10.1016/j.molcata.2006.10.039

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel covalently anchored sulfonic acid onto the surface of silica was prepared and investigated for the Biginelli reaction. The catalyst is highly stable, completely heterogeneous and recyclable for several times. The work-up procedure is very simple and Biginelli compounds were obtained in good to excellent yields. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：50 / 54

页数：5

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