摘要:
                                Heating solutions of acetal complexes {CpRu(CH3CN)(2)[eta(1)-P-2-(Ph(2)P)[CH(OR)(2)]C6H4]}OTf (3; R = Me, Et) at 60-95 degrees C results in loss of one CH3CN ligand and the alcohol ROH, with concomitant formation of carbene complexes {CpRu(CH3CN)[eta(2)-C,P-2-(Ph(2)P)[C(OR)]-C6H4]}OTf (4) in high yield. Kinetic and reactivity studies suggest that the rate-determining step of the conversion of 3 to 4 is oxidative addition of an acetal C-O bond to the ruthenium center, which occurs under neutral, mild conditions.