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Sequential alkylation/transition metal catalysed annulation reactions of 1,3-dicarbonyl compounds with propargyl bromide

✍ Scribed by Antonio Arcadi; Giorgio Cerichelli; Marco Chiarini; Sabrina Di Giuseppe; Fabio Marinelli

Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 68 KB
Volume: 41
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)01666-x

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✦ Synopsis

b-Diketones, b-ketoesters and b-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.

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