Tetrahedron

Highly-efficient and recyclable nanosized MCM-41 anchored palladium bipyridyl complex-catalyzed coupling of acyl chlorides and terminal alkynes for the formation …

JY Chen, TC Lin, SC Chen, AJ Chen, CY Mou, FY Tsai

文献索引：Chen, Jun-You; Lin, Tze-Chiao; Chen, Szu-Chien; Chen, Ai-Jan; Mou, Chung-Yuan; Tsai, Fu-Yu Tetrahedron, 2009 , vol. 65, # 49 p. 10134 - 10141

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被引用次数: 33

摘要

A highly-efficient and practical method for the formation of ynones from a variety of acyl chlorides and terminal alkynes catalyzed by a nanosized MCM-41 anchored palladium bipyridyl complex is described herein. Aroyl, heteroaroyl, and alkyl acyl chlorides were easily coupled with terminal alkynes, giving good to high isolated yields in the presence of a very low catalyst loading (0.002–0.1 mol% Pd) in Et3N or diisopropylethylamine at 50° C. ...