title: Electrochemical and chemical routes to hydride loss from an iridium dihydride.
abstract: With a view towards replacing sacrificial hydrogen acceptors in alkane dehydrogenation catalysis, electrochemical methods for oxidative activation of a pincer-ligated iridium hydride intermediate were explored. A 1H(+)/2e(-) oxidation process was observed in THF solvent, with net hydride loss leading to a reactive cationic intermediate that can be trapped by chloride. Analogous reactivity was observed with the concerted hydride transfer reagent Ph3C(+), connecting chemical and electrochemical hydride loss pathways.
authors.affiliation: Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA. ajmm@email.unc.edu.
authors.forename: A G
authors.initials: AG
authors.lastname: Walden
authors.affiliation: Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08903, USA and Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati - 781039, Assam, India.
authors.forename: A
authors.initials: A
authors.lastname: Kumar
authors.affiliation: Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08903, USA.
authors.forename: N
authors.initials: N
authors.lastname: Lease
authors.affiliation: Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08903, USA.
authors.forename: A S
authors.initials: AS
authors.lastname: Goldman
authors.affiliation: Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA. ajmm@email.unc.edu.
authors.forename: A J M
authors.initials: AJ
authors.lastname: Miller