期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 70, 期 12, 页码 4869-4872出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo0503815
关键词
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The Sonogashira reaction proceeds at ambient temperature (30 degrees C) in acetone or room-temperature ionic liquid, 1,3-di-n-butylimidazolium tetrafluoroborate ([bbim]BF4), as solvent under ultrasound irradiation to give enhanced reaction rates, excellent chemoselectivity, and high yields in the absence of a copper cocatalyst and a phosphine ligand. TEM analysis showed the formation of stable, crystalline, and polydispersed Pd(0) nanoparticles as catalyst for the reaction.
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