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Note | Regular issue | Vol 48, No. 2, 1998, pp.311-317
Published online, 1st January, 1970
DOI: 10.3987/COM-97-8028
New Alkaloids from the Root of Stephania tetrandra (Fen-Fang-Ji)

Tatsunori Ogino,* Takao Katsuhara, Toshitsugu Sato, Hiroshi Sasaki, Minoru Okada, and Masao Maruno

*Central Research Laboratory, Tsumura & Co., 3586 Yoshiwara, Ami-machi, Inashiki-gun, Ibaraki, 300-11, Japan


Four new alkaloids named fenfangjines F, G, H, and I were isolated from the root of Stephania tetrandra S. Moore, the Chinise traditional medicine "Fen-Fang-Ji". The chemical structures of fenfangjines F, G, H, and I were determined to be 1, 2, 3, and 4 by spectral analyses and chemical methods, respectively.