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Journal ArticleDOI
The Preparation of Dimethyl α -Hydroxyphosphonates and the Chemical Shift Non-Equivalence of Their Diastereotopic Methyl Ester Groups
TL;DR: In this article, a tentative order of non-equivalence of the diastereotopic methyl ester groups is reported and discussed, and the 1H and 13C nmr spectra of the products exhibit characteristic chemical shift non-qualivalence.