Palladium-free synthesis of unsymmetrical diarylethynes by cross-coupling reaction of alkynylboronates with aryl iodides catalyzed by CuCl
摘要：
A series of unsymmetrical diarylethynes have been synthesized by the copper-catalyzed cross-coupling reaction of alkynylboronates with aryl iodides in high to excellent yields under palladium-free conditions. A wide range of substrates bearing an electron-donating or an electron-withdrawing substituent on the aromatic ring are compatible with this reaction.
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关键词：
Sonogashira–Hagihara coupling Suzuki–Miyaura coupling Alkynylboronates Stephens–Castro reaction Copper
DOI：
10.1016/j.tetlet.2012.11.069
被引量：
年份：
2013
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