Ionic liquid-promoted, highly regioselective Heck arylation of electron-rich olefins by aryl halides
J Mo, L Xu, J Xiao
Index: Mo, Jun; Xu, Lijin; Xiao, Jianliang Journal of the American Chemical Society, 2005 , vol. 127, # 2 p. 751 - 760
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Citation Number: 223
Abstract
Palladium-catalyzed regioselective Heck arylation of the electron-rich olefins, vinyl ethers 1a- d, enamides 1e-g, and allyltrimethylsilane 1h, has been accomplished in imidazolium ionic liquids with a wide range of aryl bromides and iodides instead of the commonly used, but commercially unavailable and expensive, aryl triflates. The reaction proceeded with high efficiency and remarkable regioselectivity without the need for costly or toxic halide ...
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