title: Flexible routes to thiophenes.
abstract: Three convergent routes to thiophenes are described, hinging on the radical addition of α-xanthyl ketones to ethyl vinyl sulfide or to vinyl pivalate. The latter route ultimately proved to be the most versatile and efficient (61-94%).
authors.affiliation: Laboratoire de Synthèse Organique, CNRS UMR 7652 Ecole Polytechnique , 91128 Palaiseau Cedex, France.
authors.forename: Hélène
authors.initials: H
authors.lastname: Jullien
authors.forename: Béatrice
authors.initials: B
authors.lastname: Quiclet-Sire
authors.forename: Thomas
authors.initials: T
authors.lastname: Tétart
authors.forename: Samir Z
authors.initials: SZ
authors.lastname: Zard