Online article for Non-subscribers

Pay per view

Heterocycles has a pay-per-view service for Non-subscribers.
You will be able to directly purchase the full text article through PayPal.
Your purchased Paper can be downloaded after the payment is completed.
An e-mail will be sent the URL to download the paper.
If you have any questions, please contact:

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

Report | Regular issue | Vol 9, No. 9, 1978, pp.1295-1300
Published online, 1st January, 1970
DOI: 10.3987/R-1978-09-1295
Kuwanon E, a New Flavanone Derivatives from the Root Bark of the Cultivated Mulberry Tree (Morus alba L.)

Taro Nomura* and Toshio Fukai

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


A new flavanone derivative named kuwanon E was isolated from the root bark of the cultivated mulberry tree (a variety of Morus alba L.). The structure was presumed to be 5,7,2’,4’-tetrahydroxy-5’-geranylflavanone (I) by spectral data.