期刊
TETRAHEDRON
卷 68, 期 32, 页码 6413-6419出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2012.06.003
关键词
Coupling reactions; Alkynyl carboxylic acids; Aryl halides; Low-cost; Copper catalysis
资金
- International S&T Cooperation Program of Jiangsu Province [BZ2010048]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Key Laboratory of Organic Synthesis of Jiangsu Province
Most alkynes are volatile liquids, which are relatively difficult to use and to transport. In contrast, alkynyl carboxylic acids offer a stable and attractive alternative for the alkynylation reactions. Here, we employed alkynyl carboxylic acids as reaction partners for the alkynylation of aryl halides. Copper-catalyzed decarboxylative coupling, including various challenging aryl bromides with phenylpropiolic acid, was performed in water without using co-solvents with good yields. Our approach provides a low-loading, low-cost, stable and environmentally friendly copper catalyst system for decarboxylative coupling. (C) 2012 Elsevier Ltd. All rights reserved.
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