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Note | Regular issue | Vol 78, No. 6, 2009, pp.1581-1587
Published online, 12th March, 2009
DOI: 10.3987/COM-09-11673
Studies of Traditional Folk Medicines in Xinjiang Uighur Autonomous. II. Research for Chemical Constituents of Xinjiang Licorice

Noriaki Iwasaki, Masaki Baba,* Halisha Aishan, Yoshihito Okada, and Toru Okuyama

*Natural Medicine and Phytochemistry, Meiji Pharmaceutical Uni1versity, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan

Abstract

A new chromene, 5-[2-(4-hydroxyphenyl)ethyl]-2,2-dimethyl-7-[(3- methyl-2-butenyl)oxy]chromene, named xinjiastilbene A (1), a new benzofuran, 4-[2-(4-hydroxyphenyl)ethyl]-6-[(3-methyl-2-butenyl)oxy]benzofuran, named xinjiastilbene B (2), and a chalcone, 4'-hydroxy-2-methoxy-4-prenyloxy-chalcone, named xinjiachalcone A (3), were isolated from licorice of Xinjiang origin (botanically assigned to Glycyrrhiza inflata Batalin), together with seven known phenolic compounds. The structure was elucidated on the basis of spectrometric evidence.