title: Formation and reactivity of new Nicholas-Ferrier pyranosidic cations: novel access to oxepanes via a 1,6-hydride shift/cyclization sequence.
abstract: Pyranosidic allylic (Ferrier) cations that share dicobalt hexacarbonyl propargyl (Nicholas) stabilization at C-1 display a remarkable reactivity leading to either substituted oxepanes or 3-C-branched pyranosides, depending on the substituent at O-6.
authors.affiliation: Instituto de Química Orgánica General (CSIC), Juan de la Cierva 3, 28006 Madrid, Spain. anagomez@iqog.csic.es
authors.forename: Ana M
authors.initials: AM
authors.lastname: Gómez
authors.forename: Fernando
authors.initials: F
authors.lastname: Lobo
authors.forename: Daniel
authors.initials: D
authors.lastname: Pérez de las Vacas
authors.forename: Serafín
authors.initials: S
authors.lastname: Valverde
authors.forename: J Cristóbal
authors.initials: JC
authors.lastname: López