An Improved Route to Osmium(IV) Tetraaryl Complexes

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Abstract

Air-stable, redox-active osmium(IV) tetraaryl complexes can be prepared in yields ≤76% from the novel precursor (Oct 4 N) 2 [OsBr 6 ], facilitating the synthesis of Os(mesityl) 4 for the first time. This complex exhibits a distorted tetrahedral geometry and three reversible redox events including a 1+/2+ feature not previously observed in this family of materials.

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europepmc
last seen: 2026-05-19T01:45:01.086888+00:00