期刊
TETRAHEDRON
卷 65, 期 34, 页码 6810-6814出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2009.06.089
关键词
Alkyne; Copper-free conditions; 4-Hydroxycoumarin; Palladium catalyst
资金
- National Natural Science Foundation of China [20772018]
- Shanghai Pujiang Program
- Program for New Century Excellent Talents in University [NCET-07-0208]
The palladium-catalyzed direct coupling reactions of 4-hydroxycoumarins with various alkynes under copper-free conditions are described. This transformation is highly effective under mild conditions and the desired products are obtained in good yields. (C) 2009 Elsevier Ltd. All rights reserved.
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