title: Stereoselective construction of cis-2,6-disubstituted tetrahydropyrans via an intramolecular bismuth-mediated oxa-conjugate addition reaction.
abstract: The intramolecular oxa-conjugate addition of tethered triethylsilyloxy substituted alpha,beta-unsaturated ketones mediated by bismuth(III) nitrate pentahydrate provides a mild and efficient method for the stereoselective construction of cis-2,6-disubstituted tetrahydropyrans.
authors.affiliation: Department of Chemistry, Indiana University, Bloomington, IN 47405, USA.
authors.forename: P Andrew
authors.initials: PA
authors.lastname: Evans
authors.forename: William J
authors.initials: WJ
authors.lastname: Andrews