title: Enhanced product selectivity promoted by remote metal coordination in acceptor-free alcohol dehydrogenation catalysis.
abstract: A bimetallic [Ir(3+)]2 complex was synthesized based on a bridging 1,2,3-triazole ligand that coordinates to one Cp*Ir unit as N,N-bidentate chelate, and to the other as a C,C-bidentate ligand. When compared to monometallic homologues, the bimetallic complex shows greatly enhanced product selectivity for the acceptorless dehydrogenation of alcohols; spectroscopic and electrochemical analysis suggest significant alteration of the metal properties in the bimetallic system compared to the monometallic species, which offers a rationale for the observed high selectivity.
authors.affiliation: Departement für Chemie und Biochemie, Universität Bern, Freiestrasse 3, CH-3012 Bern, Switzerland. martin.albrecht@dcb.unibe.ch and School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.
authors.forename: Marta
authors.initials: M
authors.lastname: Valencia
authors.affiliation: School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.
authors.forename: Helge
authors.initials: H
authors.lastname: Müller-Bunz
authors.affiliation: Departement für Chemie und Biochemie, Universität Bern, Freiestrasse 3, CH-3012 Bern, Switzerland. martin.albrecht@dcb.unibe.ch and Department of Chemistry & Biology, Ryerson University, 350 Victoria St., Toronto, ON M5B 2K3, Canada.
authors.forename: Robert A
authors.initials: RA
authors.lastname: Gossage
authors.affiliation: Departement für Chemie und Biochemie, Universität Bern, Freiestrasse 3, CH-3012 Bern, Switzerland. martin.albrecht@dcb.unibe.ch and School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.
authors.forename: Martin
authors.initials: M
authors.lastname: Albrecht