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Paper | Regular issue | Vol 34, No. 3, 1992, pp.575-587
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5951
Four New Prenylated Flavonoids, Glyasperins A, B, C, and D from the Roots of Glycyrrhiza aspera

Lu Zeng, Toshio Fukai, Taro Nomura,* Ru-Yi Zhang, and Zhi-Cen Lou

*Faculty of Pharmaceutical Sciences, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274, Japan


Four new prenylated flavonoids, glyasperins A (1), B (2), C (3), and D (4), along with ten known compounds were isolated from the roots of Glycyrrhiza aspera. The structures of glyasperins A-D were elucidated by spectroscopic methods.