Two new diterpenoid dimers,fritillebinide D and E,from bulbs of Fritillaria ebeiensis |
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| Authors: | Ruan Han-Li Zhang Yong-Hui Wu Ji-Zhou Sun Han-Dong Fujita Tetsuro |
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| Institution: |
a Faculty of Pharmaceutical Sciences, Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430030, China.
b Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China.
c Faculty of Pharmaceutical Sciences, Kyoto University, Kydo 606-01, Japan. |
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| Abstract: | Two new ent-kaurane diterpenoid dimers, fritillebinide D (1) and fritillebinide E (2), were isolated from bulbs of Fritillaria ebeiensis G.D. Yu et G.Q. Ji. Their structures have been determined to be ent-3β-acetoxy-kauran-16β, 17-acetal ent-3β-acetoxy-16β-kauran-17(R)-aldehyde (1) and ent-3β-acetoxy-kauran-16β,17-acetal ent-3β-acetoxy-16β-kauran-17(S)-aldehyde (2) by means of spectral analysis. |
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| Keywords: | Fritillaria Ebeiensis ent -Kaurane Diterpenoid Dimer Fritillebinide D Fritillebinide E |
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