The stepwise four- and six-electron reduction of carbon monoxide to oxyalkylidyne, to carbide and oxide, then to carbide over an Nb-oxo surface modeled by calix[4]arene
A. Caselli et al., The stepwise four- and six-electron reduction of carbon monoxide to oxyalkylidyne, to carbide and oxide, then to carbide over an Nb-oxo surface modeled by calix[4]arene, J AM CHEM S, 122(3), 2000, pp. 538-539