## Abstract The indirect determination of PP coupling constants and their relative signs in some symmetrical diphosphonates by ^31^P^13^C 2D NMR is introduced. Advantages and disadvantages of this method and others for the determination of the coupling constants of chemically equivalent nuclei ar
✦ LIBER ✦
ChemInform Abstract: 13C—13C NMR Spin—Spin Coupling Constants in Saccharides: Structural Correlations Involving All Carbons in Aldohexopyranosyl Rings.
✍ Scribed by Bidisha Bose-Basu; Thomas Klepach; Gail Bondo; Paul B. Bondo; Wenhui Zhang; Ian Carmichael; Anthony S. Serianni
- Publisher
- John Wiley and Sons
- Year
- 2008
- Weight
- 15 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0931-7597
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## Abstract It is demonstrated that in a case where neither the proton nor the natural‐abundance ^13^C‐satellite spectra of a partially oriented molecule carry enough structural information, one can determine the entire molecular geometry by the combined use of several liquid crystals as solvents.