Structures of Two Diterpenoid Dimers from Bulbs of Fritillaria ebeiensis

Han-Li Ruan Faculty of Pharmaceutical Sciences, Tongji Medical University, 13 Hongkong Road, Wuhan, Hubei Province, Wuhan, 430030, China

Nian-Huan Yao Faculty of Pharmaceutical Sciences, Tongji Medical University, 13 Hongkong Road, Wuhan, Hubei Province, Wuhan, 430030, China

Qin-Shi Zhao Faculty of Pharmaceutical Sciences, Tongji Medical University, 13 Hongkong Road, Wuhan, Hubei Province, Wuhan, 430030, China

Han-Dong Sun Kunming Institute of Botany, The Academy of Sciences of China, Kunming, 650204, China

Chikako Morizane Faculty of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-01, Japan

Akira Iida Faculty of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-01, Japan

Tetsuro Fujita Faculty of Pharmaceutical Sciences, Setsunan University, Osaka, 573-01, Japan

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Abstract

A new ent-kaurane diterpenoid dimer, fritillebinide C (1) together with one known diterpenoid dimer fritillebinide B (2) were isolated from the bulbs of Fritillaria ebeiensis G.D. Yu et G.Q. Ji. Compound 1 has been determined to be ent-3β-acetoxy-kauran-16β, 17-acetal entβ-kauran-17(S)-aldehyde (1) by means of spectral analysis and chemical evidence.

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Structures of Two Diterpenoid Dimers from Bulbs of Fritillaria ebeiensis

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Structures of Two Diterpenoid Dimers from Bulbs of Fritillaria ebeiensis

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