A new flavan-3-ol from Artocarpus nitidus subsp. lingnanensis

Abstract

Further investigation on the stems of Artocarpus nitidus subsp. lingnanensis led to the isolation and characterization of a new flavan-3-ol, named artoflavanocoumarin (1), along with three known compounds (+)-catechin (2), (+)-afzelechin 3-O-α-l-rhamnoside (3), and (+)-catechin 3-O-α-l-rhamnoside (4). Their structures were elucidated on the basis of spectroscopic data.

Keywords:

• Moraceae
• Artocarpus nitidus subsp. lingnanensis
• Artocarpus
• artoflavanocoumarin

Acknowledgments

We thank Prof. Ruiqiang Chen at Guangzhou Institute of Chemistry, Chinese Academy of Sciences for NMR spectroscopic measurements and Prof. Binhui Chen at South China Botanical Garden, Chinese Academy of Sciences for botanical authentication of the plant material. This study was financially supported by the Knowledge Innovation Program of the Chinese Academy of Sciences (KSCX2-YW-R-218).