13C spin-echo modulation through 13C,2H spin-spin coupling: Elimination of solvent signals and analysis of partially deuterated systems
✍ Scribed by Peter Schmitt; Joachim R Wesener; Harald Günther
- Book ID
- 103189207
- Publisher
- Elsevier Science
- Year
- 1983
- Weight
- 439 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0022-2364
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## Abstract The details of two‐dimensional ^13^C^1^H correlated spectra have provided information about the relative signs of __J__(C, F) and __J__(F, H) for several molecules in which C, F and H are mutually coupled. Unlike signs are found for __J__(C, F) and __J__(F, H) when the coupling pathway
Long-range coupling constants, "J(C, H), involving the formyl proton or carbon and the carbons or protons of the heterocyclic ring, were measured in the two isomeric formyl-furans and -thiophenes by employing coupled 13C NMR spectra. In furan-2-carboxaldehyde these coupling constants, obtained in so