Stoicheiometric reduction of CO and CO2to methanol: evidence for carbon monoxide insertion into zirconium–hydrogen bond

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Abstract
The reaction of carbon monoxide with bis(η5-cyclopentadienyl)hydridochlorozirconium(IV), cp2Zr-(H)Cl, at room temperature and atmospheric pressure, leads to a dinuclear zirconium(IV) derivative (cp2ZrCl)2CH2O; replacing CO by CO2 in this reaction results in the quantitative formation of cp2ZrCl(OMe) and (cp2ZrCl)2O.