The first examples of stable metal complexes with coordinated ethylene and carbon dioxide ligands are reported. Reaction of tris(ethylene) complexes -M(CH)(PNP) (M = Mo and W; PNP = 2,6-bis(diphenylphosphinomethyl)pyridine) with CO yields the corresponding, mixed -M(CH)(CO)(PNP) derivatives. X-ray studies reveal six-coordinate structures exhibiting η-ethylene and κ-C,O carbon dioxide coordination. Remarkably, the formation of the molybdenum CO adduct occurs also in the solid state at room temperature, under 4 bar of CO, in a nearly quantitative manner.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7006629 | PMC |
| http://dx.doi.org/10.1039/c9sc03225h | DOI Listing |
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