期刊
TETRAHEDRON LETTERS
卷 51, 期 50, 页码 6670-6672出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.10.080
关键词
2-Methyltetrahydrofuran; Aldol reaction; Knoevenagel condensation; Immobilized organocatalyst; Piperazine; Sustainable chemistry
资金
- DFG [1166]
- Excellence Initiative of the German Research Foundation
Silica-supported piperazine was found to be an efficient catalyst for aldol reactions of aromatic aldehydes and ketones with straightforward product isolation and catalyst reuse. Furthermore, the catalyst is active in Knoevenagel-type reactions to afford coumarin derivatives, using 2-methyltetrahydrofuran (2-MeTHF) as a novel bio-based solvent. (C) 2010 Elsevier Ltd. All rights reserved.
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