The Brønsted coefficient for the reaction of di-isopropyl phosphorochloridate with a series of four hydroxamate ions has been determined. The implication of its value, 0·21, inasmuch as it is related to charge transfer in the transition state for the phosphylation of a nucleophile, is discussed in relation to the product selectivity with an ambident nucleophile, 2-aminoethanol.
M. A. Weinberger, R. Greenhalgh, P. M. Lutley and N. C. C. Gibson, J. Chem. Soc. B, 1971, 1950 DOI: 10.1039/J29710001950
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