title: 4,6-bis(supermesitylphosphanylidenemethyl)dibenzofuran. Synthesis, X-ray structure and reactivity towards group 11 metals.
abstract: New kinetically stabilized mono- and bis-phosphaalkene ligands (2 and 3, respectively) were synthesized via the phospha-Wittig approach. Ligand 3 was characterized by X-ray diffraction. The coordinating behaviour of the bidentate ligand was investigated towards group 11 metal centers in order to test its capacity to bind two coordination sites located in a trans-fashion. The [Au(3)][BF4], [Ag(3)(H2O)][BF4] and [Cu(3)(CH3CN)][BF4] complexes 4 , 5 and 6, respectively, were characterized by X-ray diffraction. The peculiar geometries of 4 and 6 were rationalized by means of DFT calculations.
authors.affiliation: Laboratoire Hétéroéléments et Coordination, Department of Chemistry, UMR CNRS 7653, DCPH, Ecole Polytechnique, 91128, Palaiseau Cedex, France.
authors.forename: Eliane
authors.initials: E
authors.lastname: Deschamps
authors.forename: Bernard
authors.initials: B
authors.lastname: Deschamps
authors.forename: Jeanne
authors.initials: J
authors.lastname: Laure Dormieux
authors.forename: Louis
authors.initials: L
authors.lastname: Ricard
authors.forename: Nicolas
authors.initials: N
authors.lastname: Mézailles
authors.forename: Pascal
authors.initials: P
authors.lastname: Le Floch