Observation of discrete thiazolidine ring conformations in frozen aqueous solutions of penicillins by13C CP–MAS NMR spectroscopy
Twyman, J. Mark; Fattah, Jamila; Dobson, Christopher M.
Журнал:
Journal of the Chemical Society, Chemical Communications
Дата:
1991
Аннотация:
Resonances from two distinct thiazolidine ring conformers have been resolved in the <sup>13</sup>C CP-MAS spectra of frozen aqueous solutions of penicillins; the relative intensities of the resonances correlate well with previous estimates of the populations of the different conformers in liquid aqueous solutions.
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