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13C NMR spectra of some coumarins of Haplophyllum obtusifolium |
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| Authors: | A D Vdovin É Kh Batirov A D Matkarimov M R Yagudaev V M Malikov |
| Abstract: | Coumaris ofHaplophyllum obtusifolium Ledeb. — obtusinin, capensin, and fraxetin 7-O-β-D-glucopyranoside — have been investigated by13C NMR spectroscopy. Several distinctive features of their NMR spectra have been observed. A complete assignment of the13C NMR spectra of these coumarins has been made and their structures have been confirmed. |
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