Abstract
A new limonoid, 3-de(2-methylbutanoyl)-3-propanoylcipadesin (1), along with 10 known limonoids and 1 known triterpenoid, was isolated from the fruits of Cipadessa cinerascens. Their structures were elucidated on the basis of spectroscopic analysis. All compounds were evaluated for their antimicrobial activities, and compounds 6 and 12 showed weak antimicrobial activities against MRSA 82# and MRSA 92#.
Acknowledgments
This work was financially supported by the National Natural Science Foundation of China (No. 31170332), and the Young Academic and Technical Leader Raising Foundation of Yunnan Province (No. 2010CI047).