The hydrocarboxylation of propene with MeOH or BuOH in the presence of [PdCl2(PPh3)2] and PPh3 occurs with high regioselectivity for the linear ester, particularly at low CO pressures. In the case of MeOH, the yield is almost independent of CO pressure; in the case of BuOH, the yield decreases with decreasing pressure. With BuOH the yield can be increased in the presence of mol. H while maintaining the high selectivity.
Metals in organic syntheses. II. The effect of molecular hydrogen on the highly regioselective hydrocarboxylation ofpropene promoted by dichlorobis(triphenylphosphinato)palladium(II)-triphenylphosphine catalyst precursor
TONIOLO, Luigi
1979-01-01
Abstract
The hydrocarboxylation of propene with MeOH or BuOH in the presence of [PdCl2(PPh3)2] and PPh3 occurs with high regioselectivity for the linear ester, particularly at low CO pressures. In the case of MeOH, the yield is almost independent of CO pressure; in the case of BuOH, the yield decreases with decreasing pressure. With BuOH the yield can be increased in the presence of mol. H while maintaining the high selectivity.
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