Chapter 5.3 Five-membered ring systems: Furans and benzofurans

Add time:08/26/2019    Source:sciencedirect.com

Publisher SummaryThis chapter describes the applications and syntheses of furans, benzofurans, and their derivatives. An account summarizing transition metal-catalyzed enantioselective ring-opening reactions of 2, 5-dihydrofurans has appeared. Many publications illustrated the use of furans as versatile π—nucleophiles for ring formation. The authors have published an excellent review concerning the use of pinacol-terminated Prins cyclizations in the synthesis of tetrahydrofuran-containing molecules. This chapter reports a number of different furan-based approaches to the synthesis of seven-membered ring systems. Full details for the synthesis of furans via an oxypalladation-reductive elimination domino reaction are also presented.

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