The Hydroesterification of Propylene with Carbon Monoxide and Methanol in the Presence of Dicobalt Octacarbonyl

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Abstract
Propylene can be hydroesterified to methyl butyrate in a good yield and with an initial rate as high as the initial rate of the hydroformylation of propylene, provided a small amount of hydrogen and excess pyridine are present. Detailed data on the initial rates at the zero-conversion of propylene for both the hydroesterification and hydroformylation and the ratio between the two initial rates have been presented as a function of the amount of pyridine and hydrogen, together with data on the products obtained from the respective reactions. The initial rate of hydroesterification in this study has proved to be first-order with respect to the propylene concentration. This result is different from that of Ercoli et al., who carried out hydroesterification runs of olefins with pure carbon monoxide.

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