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The palladium-catalysed reaction of 2-propynyl-1,3-dicarbonyls with organic halides or triflates provides an efficient straightforward entry into highly substituted furans. The best results have been obtained by using an excess of the alkyne. The process can tolerate a wide variety of important functional groups both on the alkyne and the organic halide or triflate. Under an atmosphere of carbon monoxide,...
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