title: Diphosphine sulfides derived from 2,2'-biphosphole: novel chiral S,S ligands for palladium-catalyzed asymmetric allylic substitution.
abstract: Diphosphine sulfides derived from 2,2'-biphosphole have been efficiently synthesized in an enantiomerically pure form by a four step synthetic sequence. These S,S-ligands were used for the first time in Pd-catalyzed asymmetric allylic alkylation. Good yields and enantiomeric excess up to 73% were obtained.
authors.affiliation: Laboratoire de Chimie de Coordination, CNRS, 205 Route de Narbonne, F-31007, Toulouse, Cedex, France.
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Robé
authors.forename: Wieslawa
authors.initials: W
authors.lastname: Perlikowska
authors.forename: Céline
authors.initials: C
authors.lastname: Lemoine
authors.forename: Lisa
authors.initials: L
authors.lastname: Diab
authors.forename: Sandrine
authors.initials: S
authors.lastname: Vincendeau
authors.forename: Marian
authors.initials: M
authors.lastname: Mikolajczyk
authors.forename: Jean-Claude
authors.initials: JC
authors.lastname: Daran
authors.forename: Maryse
authors.initials: M
authors.lastname: Gouygou