title: Labilizing the Photoinert: Extraordinarily Facile Photochemical Ligand Ejection in an [Os(N^N)3 ](2+) Complex.
abstract: Whilst [Os(N^N)3 ](2+) complexes are supposed to be photochemically inert to ligand loss, the complex [Os(btz)3 ](2+) (btz=1,1'-dibenzyl-4,4'-bi-1,2,3-triazolyl) undergoes unprecedented photolytic reactivity to liberate free btz (Φ363 ≈1.2 %). Further, both cis and trans isomers of the photodechelated ligand-loss solvento intermediate [Os(κ(2) -btz)2 (κ(1) -btz)(NCMe)](2+) are unambiguously observed and characterized by NMR spectroscopy and mass spectrometry.
authors.affiliation: Department of Chemistry, University of Huddersfield, Huddersfield, UK.
authors.forename: Paul A
authors.identifier: 0000-0001-9070-5933
authors.initials: PA
authors.lastname: Scattergood
authors.affiliation: Department of Chemistry, University of Huddersfield, Huddersfield, UK.
authors.forename: Daniel A W
authors.identifier: 0000-0002-5480-9978
authors.initials: DA
authors.lastname: Ross
authors.affiliation: Department of Chemistry, University of Huddersfield, Huddersfield, UK.
authors.forename: Craig R
authors.identifier: 0000-0002-0630-4860
authors.initials: CR
authors.lastname: Rice
authors.affiliation: Department of Chemistry, University of Huddersfield, Huddersfield, UK. p.i.elliott@hud.ac.uk.
authors.forename: Paul I P
authors.identifier: 0000-0003-1570-3289
authors.initials: PI
authors.lastname: Elliott
keywords: complexes; isomers; osmium; photochemistry; triazole