## Abstract The ^13^C NMR spectra of thirteen methoxycarbonylpyridine derivatives and two pyridine lactones are interpreted. The substituent increments for the methoxycarbonyl group in 2β, 3β and 4βsubstituted pyridines are reported.
The ginkgolides. V. Some aspects of their NMR spectra
β Scribed by M.C. Woods; I. Miura; Y. Nakadaira; A. Terahara; M. Maruyama; K. Nakanishi
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- French
- Weight
- 356 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0040-4039
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## Abstract The ^1^H and ^19^F spectra of a variety of monoβ and diβ fluorinated pyridines are examined, and compared with the corresponding spectra of the pyridinium ions. The magnitudes and signs of the ^1^Hο£Ώ^19^F coupling constants are in general in accord with those observed for the correspondi