Lachguar Abdelhak, Ye Christopher Z, Kelly Sheridon N, Jeanneau Erwann, Del Rosal Iker, Maron Laurent, Veyre Laurent, Thieuleux Chloé, Arnold John, Camp Clément
Laboratory of Catalysis, Polymerization, Processes and Materials (CP2M UMR 5128) CNRS, Universite Claude Bernard Lyon 1, CPE-Lyon, Institut de Chimie de Lyon, 43 Bvd du 11 Novembre 1918, 69616 Villeurbanne, France.
Department of Chemistry, University of California, Berkeley, California 94720, USA.
Chem Commun (Camb). 2024 Jul 25;60(61):7878-7881. doi: 10.1039/d4cc02207f.
A novel Ta/Os heterobimetallic complex, [Ta(CHBu)(μ-H)OsCp*], 2, is prepared by protonolysis of Ta(CHBu)(CHBu) with CpOsH. Treatment of 2 and its iridium analogue [Ta(CHBu)(μ-H)IrCp], 1, with CO under mild conditions reveal the efficient cleavage of CO, driven by the formation of a tantalum oxo species in conjunction with CO transfer to the osmium or iridium fragments, to form CpIr(CO)H and CpOs(CO)H, respectively. This bimetallic reactivity diverges from more classical CO insertion into metal-X (X = metal, hydride, alkyl) bonds.
一种新型的钽/锇异双金属配合物[Ta(CHBu)(μ-H)OsCp*]（2），通过Ta(CHBu)(CHBu)与CpOsH的质子解反应制备而成。在温和条件下，用CO处理2及其铱类似物[Ta(CHBu)(μ-H)IrCp]（1），结果表明，由于钽氧物种的形成以及CO转移到锇或铱片段上，从而驱动了CO的有效裂解，分别形成了CpIr(CO)H和CpOs(CO)H。这种双金属反应性与更经典的CO插入金属-X（X = 金属、氢化物、烷基）键的反应不同。
