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Paper | Special issue | Vol 42, No. 1, 1996, pp.237-240
Published online, 1st January, 1970
DOI: 10.3987/COM-95-S12
Two New Bisacridone Alkaloids from Citrus Plants1

Motoharu Ju-ichi, Yuko Takemura, Noriko Nagareya, Mitsuo Omura, Chihiro Ito, and Hiroshi Furukawa

*Faculty of Pharmaceutical Science, Mukogawa-Women's University, 11-68 Koushien Kyuban-Cho, Nishinomiya, Hyogo 663-8179, Japan


Two new binary acridone alkaloids named citbismine-D (1) and -E (2) were isolated from the roots of Marsh grapefruit (Citrus paradisi). The structures were elucidated by spectroscopic studies as 1 and 2. Citbismine-E (2) was also obtained from the roots of Hirado-Buntan (C. grandis).