Labilizing the Photoinert: Extraordinarily Facile Photochemical Ligand Ejection in an [Os(N^N)3 ] 2+Complex

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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(κ2-btz)2(κ1-btz)(NCMe)]2+ are unambiguously observed and characterized by NMR spectroscopy and mass spectrometry.
Original languageEnglish
Pages (from-to)10697-10701
Number of pages5
JournalAngewandte Chemie - International Edition
Volume55
Issue number36
DOIs
Publication statusPublished - 26 Aug 2016

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