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

Scattergood Paul A. | Zendy; Ross Daniel A. W. | Zendy; Rice Craig R. | Zendy; Elliott Paul I. P. | Zendy

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

Author(s) -

Scattergood Paul A.,

Ross Daniel A. W.,

Rice Craig R.,

Elliott Paul I. P.

Publication year - 2016

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201604959

Subject(s) - chemistry , photochemistry , ligand (biochemistry) , receptor , biochemistry

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 ( Φ 363 ≈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.

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