Plantagiolide F, a minor withanolide from Tacca plantaginea

Abstract

A minor new withanolide, named plantagiolide F, was isolated from the whole plant of Tacca plantaginea (Hance). The structure of plantagiolide F was elucidated on the basis of spectroscopic methods including extensive 1- and 2-D NMR experiments.

Keywords:

• Tacca plantaginea
• Taccaceae
• plantagiolide F

Acknowledgements

This project was supported by the Natural Science Foundation of Yunnan Province (no. 2007C094M), the Young Academic and Technical Leader Raising Foundation of Yunnan Province (no. 2008PY066) and a grant from the State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences.