title: PNP pincer osmium polyhydrides for catalytic dehydrogenation of primary alcohols.
abstract: This paper reports the synthesis, structure, and properties of a series of PNP pincer complexes of osmium OsH(3)Cl[HN(C(2)H(4)P(i)Pr(2))(2)] (1), OsH(3)[N(C(2)H(4)P(i)Pr(2))(2)] (2), OsH(4)[HN(C(2)H(4)P(i)Pr(2))(2)] (3), and OsH(2)(PMe(3))[HN(C(2)H(4)P(i)Pr(2))(2)] (4). The tetrahydride 3 operates as an efficient catalyst at 0.1 mol% loading for the reactions of amination and dehydrogenative coupling of primary alcohols, producing secondary amines and symmetrical esters, respectively. The catalyst 3 is distinguished by outstanding stability, and it can be used in an aqueous environment at temperatures as high as 200 °C.
authors.affiliation: Wilfrid Laurier University, Department of Chemistry, 75 University Ave. W., Waterloo, ON N2L 3C5, Canada.
authors.forename: Marcello
authors.initials: M
authors.lastname: Bertoli
authors.forename: Aldjia
authors.initials: A
authors.lastname: Choualeb
authors.forename: Dmitry G
authors.initials: DG
authors.lastname: Gusev
authors.forename: Alan J
authors.initials: AJ
authors.lastname: Lough
authors.forename: Quinn
authors.initials: Q
authors.lastname: Major
authors.forename: Brandon
authors.initials: B
authors.lastname: Moore