New norlignan derivatives from Curculigo capitulata |
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Authors: | Kai-Jin Wang Cui-Cui Zhu Lei Di Ning Li You-Xing Zhao |
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Institution: | 1. Anhui Province Key Laboratory of Research and Development of Chinese Medicine, School of Life Sciences, Anhui University, Hefei 230039, PR China;2. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, PR China |
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Abstract: | Two new norlignan derivatives, crassifoside I (1) and sinensigenin C (2), were isolated from the rhizomes of Curculigo capitulate, along with six known norlignan derivatives, 1,1-bis(3,4-dihydroxyphenyl)-1-(2-furan)-methane (3), crassifogenin B (4), crassifoside A (5), breviscaside A (6), crassifoside D (7), and curcapital (8). Their structures were elucidated on the basis of spectral evidence and comparisons with literature data. The 1H and 13C NMR data of compound 3 was first assigned. Compounds 3–7 were isolated from this plant for the first time. |
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Keywords: | Curculigo capitulata Norlignan derivatives Crassifoside I Sinensigenin C |
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