beta -Diketones, beta -ketoesters and beta -ketonitriles in the presence of propargyl bromide, DBU and a catalytic amount of CuI in toluene give 2,3,5-trisubstituted furans through sequential alkylation/cyclisation/isomerisation reactions.
Sequential Alkylation/Transition Metal Catalysed Annulation Reactions of 1,3-Dicarbonyl Compounds with Propargyl Bromide
ARCADI, Antonio;MARINELLI, Fabio
2000-01-01
Abstract
beta -Diketones, beta -ketoesters and beta -ketonitriles in the presence of propargyl bromide, DBU and a catalytic amount of CuI in toluene give 2,3,5-trisubstituted furans through sequential alkylation/cyclisation/isomerisation reactions.File in questo prodotto:
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