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Communication | Regular issue | Vol 27, No. 1, 1988, pp.75-81
Published online, 1st January, 1970
DOI: 10.3987/COM-87-4365
Absolute Configuration of Kuwanon L, a Natural Diels-Alder Type Adduct from the Morus Root Bark

Yoshio Hano, Shinkichi Suzuko, Hideaki Kohno, and Taro Nomura*

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


The absolute configuration of kuwanon L (1) isolated from the Morus root bark (Morus alba L., Moraceae) was determined as 2S, 3”R, 4”R, 5”S by circular dichroism (CD) spectroscopic study.