title: Self-assisted tandem Michael-aldol reactions of alpha,beta-unsaturated ketones with aldehydes.
abstract: The tandem Michael-aldol reaction of 1-[2-(methylsulfanyl)-phenyl]prop-2-en-1-one (1) or the seleno congener 4 with p-nitrobenzaldehyde in the presence of BF3.Et2O gave the Baylis-Hillman adduct 2 or 5 and onium salt 3 or 6, respectively, and selenochromanone 7 from 4.
authors.affiliation: Gifu Pharmaceutical University, 6-1 Mitahora-higashi 5-chome, Gifu 502-8585, Japan. kataoka@gifu-pu.ac.jp
authors.forename: T
authors.initials: T
authors.lastname: Kataoka
authors.forename: S
authors.initials: S
authors.lastname: Kinoshita
authors.forename: H
authors.initials: H
authors.lastname: Kinoshita
authors.forename: M
authors.initials: M
authors.lastname: Fujita
authors.forename: T
authors.initials: T
authors.lastname: Iwamura
authors.forename: S
authors.initials: S
authors.lastname: Watanabe