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The mechanism of the optical resolution of gamma-valerolactone (VAL) enantiomers by enclathration in cholic acid (CA) channels was investigated. 13C cross-polarization magic-angle spinning spectra of CA/VAL inclusion compounds show four methyl 13C peaks of VAL with different intensities depending on the enantiomeric ratios. The four peaks were assigned to(More)
Molecules of the title compound, C(16)H(22)O(4)S, have twofold crystallographic symmetry and are stabilized by strong intramolecular O-H...O hydrogen bonds and very weak intermolecular C-H...O hydrogen bonds, forming layers normal to the c axis. The molecular structure is compared with those of the Se- and CH(2)-bridged analogues.
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