Three new flavonoids from Millettia pachyloba |
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| Affiliation: | 1. Marine Drugs Research Center, College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, PR China;2. Aquatic Animal Health Management Research Unit, Department of Marine Sciences, Faculty of Sciences and Fishery Technology, Rajamangala University of Technology Srivijaya, Trang Campus, Sikao District, Trang Province 92150, Thailand;1. College of Bioengineering, Beijing Polytechnic, Beijing 100029, China;2. The Second Affiliated Hospital of Dalian Medical University, Dalian 116044, China;3. College of Pharmacy, Dalian Medical University, Dalian 116044, China;1. Center for Physical Sciences and Technology, Semiconductor Physics Institute, A. Goštauto 11, Vilnius LT-01108, Lithuania;2. Vilnius Gediminas Technical University, Faculty of Electronics, Naugarduko 41, Vilnius LT-03227, Lithuania;1. Department of Chemistry, Chung-Yuan Christian University, Jhongli, Taiwan, ROC;2. R&D Center for Membrane Technology, Chung-Yuan University, Jhongli, Taiwan, ROC;3. Department of Materials Science and Engineering, Vanung University, Jhongli, Taiwan, ROC;4. Department of Creative Fashion Design, Taoyuan Innovation Institute of Technology, Jhongli, Taiwan, ROC |
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| Abstract: | Two new prenylated isoflavones, pachyloisoflavone A (1), pachyloisoflavone B (2), and a new pterocarpan, pachylobin A (3), together with ten known flavonoids (4–13), were isolated from the vine stems and leaves of Millettia pachyloba. The structures of new compounds were elucidated on the basis of extensive spectroscopic data interpretation, including 1D, 2D NMR and HREIMS. The absolute configuration of 2 was established by the comparison of experimental and calculated electronic circular dichroism (ECD) spectra. |
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| Keywords: | Leguminosae Isoflavone Pterocarpan |
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