Issue 35, 2011

PNP pincer osmium polyhydrides for catalyticdehydrogenation of primary alcohols

Abstract

This paper reports the synthesis, structure, and properties of a series of PNP pincer complexes of osmium OsH3Cl[HN(C2H4PiPr2)2] (1), OsH3[N(C2H4PiPr2)2] (2), OsH4[HN(C2H4PiPr2)2] (3), and OsH2(PMe3)[HN(C2H4PiPr2)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.

Graphical abstract: PNP pincer osmium polyhydrides for catalytic dehydrogenation of primary alcohols

Supplementary files

Article information

Article type
Paper
Submitted
28 Feb 2011
Accepted
31 Mar 2011
First published
26 Apr 2011

Dalton Trans., 2011,40, 8941-8949

PNP pincer osmium polyhydrides for catalytic dehydrogenation of primary alcohols

M. Bertoli, A. Choualeb, D. G. Gusev, A. J. Lough, Q. Major and B. Moore, Dalton Trans., 2011, 40, 8941 DOI: 10.1039/C1DT10342C

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