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A new diol–imidazolium salt, 1-(2,3-dihydroxypropyl)-3-methylimidazolium hexafluorophosphate (1), was found to be an efficient and reusable phosphine-free ligand for palladium catalyzed Heck reactions. The couplings of a variety of aryl iodides/aryl bromides with acrylates generated the corresponding products in good/excellent yields even in aerial atmosphere. In addition, the palladium catalyst mediated...
A new imidazolium IL-supported diol has been synthesized and used as a phosphine-free ligand for palladium catalyzed Heck reaction, which was proved to be a convenient and economical system due to its efficiency, non-toxicity and recyclability.
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