<sup>13</sup>C−<sup>1</sup>H and <sup>13</sup>C−<sup>13</sup>C Spin-Coupling Constants in Methyl β-<scp>d</scp>-Ribofuranoside and Methyl 2-Deoxy-β-<scp>d</scp>-<i>erythro</i>- pentofuranoside: Correlations with Molecular Structure and Conformation
作者:Timothy J. Church、Ian Carmichael、Anthony S. Serianni
DOI:10.1021/ja970231e
日期:1997.9.1
13C−13C spin-couplingconstants (37 couplings in 5, 41 couplings in 6) in these molecules were obtained by 1D and 2D NMR spectroscopy. 2JCH coupling signs were determined from the observation of relative cross-peak displacements in 2D TOCSY data. The 13C−1H couplings (one-, two-, and three-bond) were interpreted in structural and conformational terms with assistance fromconformationalmodels of 5 and