Thermal degradation of dimethylvinylarsine in triosmium clusters to give bridging vinyl, vinylidene, and acetylene ligands
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 8,p. 1718-1721
- https://doi.org/10.1039/dt9810001718
Abstract
From the thermal decarbonylation of [Os3(CO)11{AsMe2(CHCH2)}] in refluxing hydrocarbon solvents the new clusters [Os3(CO)10(CHCH2)(AsMe2)], [Os3H(CO)9(CCH2)(AsMe2)], and [Os3H(CO)9(CHCH)(AsMe2)] have been isolated and shown to be formed successively. The isomerisation of the µ3-vinylidene to the µ3-acetylene complex is the first example of this. Structures and dynamic behaviour are discussed mainly on the basis of 1H n.m.r. data.Keywords
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