Abstract
AbstractPalladium‐catalyzed hydrostannylation reactions of α‐heteroalkynes and alkynyl esters were achieved with high regio‐ and stereoselectively in the ionic liquid 1‐butyl‐3‐methylimidazolium hexafluorophosphate ([bmim][PF6]) at 60 °C in high yields. Our system not only avoids the use of highly toxic benzene or volatile THF as solvent but also solves the basic problem of palladium catalyst reuse.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
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