期刊
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
卷 266, 期 1-2, 页码 50-54出版社
ELSEVIER
DOI: 10.1016/j.molcata.2006.10.039
关键词
sulfonic acid functionalized silica; Biginelli reaction; re-usable heterogeneous catalyst; green procedure; solid-liquid phase catalysis
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.
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