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Probing Heteronuclear <sup>15</sup>N−<sup>17</sup>O and <sup>13</sup>C−<sup>17</sup>O Connectivities and Proximities by Solid-State NMR Spectroscopy

Journal article published in 2009 by Ivan Hung ORCID, Anne-Christine Uldry, Johanna Becker-Baldus, Amy L. Webber, Alan Wong, Mark E. Smith, Siân A. Joyce, Jonathan R. Yates, Chris J. Pickard, Ray Dupree, Steven P. Brown
This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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Abstract

Heteronuclear solid-state magic-angle spinning (MAS) NMR experiments for probing N-15-O-17 dipolar and J couplings are presented for [H-2(NH3),1-C-13,N-15,O-17(2)]glycine center dot(HCl)-H-2 and [N-15(2), O-17(2)]uracil. Two-dimensional N-15-O-17 correlation spectra are obtained using the R-3-HMQC experiment; for glycine center dot(HCl)-H-2, the intensity of the resolved peaks for the C=O and C-(OH)-H-2 O-17 resonances corresponds to the relative magnitude of the respective N-15-O-17 dipolar couplings. O-17-N-15 REDOR curves are presented for glycine center dot(HCl)-H-2; fits of the initial buildup (Delta S/S