As part of our search for sedative substances derived from natural sources, two novel nitrogen compounds, kwansonine C (1) and oxypinnatanine A (2), and two novel salts of quinic acids (4) and (5) were isolated along with four known compounds, fulvanine A (3), icariside D2 (6), sallidroside (7), and (3S,4S)-3,4-dihydroxy-3-methyldihydrofuran-2-one (8), from Hemerocallis fulva L. var. sempervirens. These structures were elucidated by spectroscopic evidence and chemical methods.
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Acknowledgment
The authors thank Ms. Kayoko Oda, Kyoto Pharmaceutical University, and Professor Naoki Noda, Faculty of Pharmaceutical Sciences, Setsunan University, for measurements of FAB-MS. This work was supported by a Grant-in Aid for Scientific Research (C) (No. 22590025) from the Japan Society for the Promotion of Science.
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Published in Khimiya Prirodnykh Soedinenii, No. 6, November–December, 2013, pp. 851–854.
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Ogawa, Y., Kawai, M., Kinoshita, A. et al. Nitrogen–containing compounds from Hemerocallis fulva var. sempervirens . Chem Nat Compd 49, 991–995 (2014). https://doi.org/10.1007/s10600-014-0806-2
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DOI: https://doi.org/10.1007/s10600-014-0806-2
Keywords
- Hemerocallis fulva var. sempervirens
- kwansonine C
- oxypinnatanine A