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Synthesis of Highly Functionalized Furanones via Aldol Reaction of 3-Silyloxyfurans

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journal contribution
posted on 2005-02-03, 00:00 authored by Jeffrey D. Winkler, Kyungsoo Oh, Sylvie M. Asselin
The stereoselective aldol reaction of 3-silyloxyfurans with aldehydes in the presence of a Lewis acid is described. N-Bromosuccinimide (NBS)-mediated cyclization of the aldol product leads to the formation of the 2,7-dioxa-bicyclo[2.2.1]heptan-3-one ring system, which represents the formal product of hetero Diels−Alder reaction of the furan with the aldehyde.

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