title: Novel synthesis of methylenecyclobutanols and 4-methylenetetrahydrofurans from gamma-oxide ylides.
abstract: The reaction of delta-halo-gamma-oxide ylide, prepared from methylenetriphenylphosphorane and epichlorohydrin, with aldehydes afforded alkylidenecyclobutanols in moderate yields. The reaction initially proceeded through internal nucleophilic attack on delta-carbon of this ylide. Another novel approach toward the synthesis of 4-methylenetetrahydrofurans was achieved by the reaction of gamma-oxide ylides with paraformaldehyde.
authors.affiliation: Department of Chemistry, Faculty of Science, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan. kokuma@fukuoka-u.ac.jp
authors.forename: Kentaro
authors.initials: K
authors.lastname: Okuma
authors.forename: Yoshihiro
authors.initials: Y
authors.lastname: Kamahori
authors.forename: Kimiko
authors.initials: K
authors.lastname: Tsubakihara
authors.forename: Kanami
authors.initials: K
authors.lastname: Yoshihara
authors.forename: Yuichiro
authors.initials: Y
authors.lastname: Tanaka
authors.forename: Kosei
authors.initials: K
authors.lastname: Shioji