The alkaloids of Stephania sasakii: Structure of five new alkaloids |
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| Authors: | Jun-ichi Kunitomo Yoshiko Murakami Megumi Oshikata Tetsuro Shingu Michinori Akasu Sheng-Teh Lu Ih-Sheng Chen |
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| Institution: | 1. Faculty of Pharmaceutical Sciences, Mukogawa Women''s University, 4-16, Edagawa-cho, Nishinomiya, Japan;2. School of Pharmacy, Kobe-gakuin University, Arise, Ikawadani-cho, Tarumi-ku, Kobe, Japan;3. Kaken Drug Co. Ltd., 3-37-10, Shimorenjaku, Mitaka City, Tokyo, Japan;4. School of Pharmacy, Kaohsiung Medical College, 100, Shih-Chuan 1st Road, San-Min District, Kaohsiung, Formosa Taiwan |
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| Abstract: | Five new alkaloids, dehydrocrebanine, 4,5-dioxodehydrocrebanine, stesakine, dehydrostesakine, bisaknadinine and four known alkaloids, lirodenine, lanuginosine, 1-tetrahydropalmatine, d-isocorydine with a few alkaloids of unknown structure were newly isolated from Stephania sasakii. The structures of the new alkaloids were determined from spectral data and chemical evidence. |
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| Keywords: | Menispermaceae dehydrocrebanine 4 5-dioxodehydrocrebanine bisaknadinine stesakine dehydrostesakine |
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