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Communication | Regular issue | Vol 20, No. 4, 1983, pp.585-591
Published online, 1st January, 1970
DOI: 10.3987/R-1983-04-0585
Kuwanon M, a New Diels-Alder Adduct from the Root Barks of the Cultivated Mulberry Tree (Morus lhou(ser.) Koidz.)

Taro Nomura, Toshio Fukai, Yoshio Hano, and Hisato Ikuta

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

Abstract

Kuwanon M (I), a new Diels-Alder adduct of two prenylflavone derivatives, has been isolated from the cultivated mulberry tree (Morus Lhou(ser.) Koidz.). The structure was shown to be I on the basis of spectral data. The compound (I) produced a hypotensive effect to spontaneously hypertensive rat (2 mg/Kg, i.v.).