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■ Five New Isoprenoid-substitued Flavonoids, Kanzonols F - J, from Glycyrrhiza uralensis

Toshio Fukai, Junko Nishizawa, Masami Yokoyama, and Taro Nomura*

*Faculty of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274-8510, Japan

Abstract

A new isoprenoid-substituted pterocarpan derivative, kanzonol F, a new isoflavanone derivative, kanzonol G, and three new isoflavan derivatives, kanzonols H, I, J, were isolated from Glycyrrhiza uralensis. These structures were elucidated with spectroscopic and/or chemical methods.