Homolytic substitution reactions of electron-rich ... - ACS Publications

Srinivas Reddy , Jyothirmayi Naram , Namrata Dwivedi , Arnab Roy , Vurimidi Himabindu , Bangaru Babu , Apurba Bhattacharya and Rakeshwar Bandichho...
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J. Org. Chem. 1992,57,6817-6820

molybdate adds to the C-2 carbonyl of the ester and then displaces the ethanol leaving group resulting in a labile cyclic acvl molybdate ester. The rapid first-order production of pyruvate (no detectable 1 4 in the presence of 0.45 M Mo02-,hobs = 0.12 mi&) indicates that the half-life of this acvl molvbdate intermediate must be