[chemical reaction: see text]. Using an operationally simple deuterium isotopic perturbation method, the relative configuration of 1,3-diols can be determined directly using 1H NMR spectroscopy. A comparison of the OH chemical shifts for OH/OH and OH/OD isotopomers provides a reliable assessment of the relative configuration of the diol; anti-1,3-diols within polyacetate and polypropionate frameworks have upfield isotope shifts of 2-16 ppb, whereas syn-1,3-diols show upfield isotope shifts of 20-33 ppb.
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Anderson et al. (2005) studied this question.
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