Abstract Two new rotenoids 4',5'-dihydroxy-6a,12a-dehydrodeguelin(1),11,4',5'-trihydroxy-6a,12a-dehydrodeguelin(2),along with two known rotenoids rotenone and deguelin were isolated from the root of Derris elliptica collected in Guangdong Province,China.Their structures were established by extensive spectroscopic analysis.
Received: 21 March 2008
Fund:The research work was financially supported by Research Foundation for University Ph.D. Program, Ministry of Education of P.R. China (No. 20070316003).