New Methods for the Preparation of 3-Substituted Furans

Abstract
It was found that ethyl 4,4-dimethoxy-2-(phenylthio)butyrate and 3-tosylpropanal ethylene acetal are useful starting materials for the preparation of 3-substituted furans. Several 3-substituted furans, including dendrolasin [3-(4,8-dimethyl-3,7-nonadienyl)-furan], were prepared by the reaction of these compounds with alkyl halides in good yields.

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