Cajanine,a constituent of Cajanaus cajan L.,used in traditional Chinese medicine,is a promising drug candidate because of its broad range of bioactivities.However,the total synthesis of cajanine and its derivatives ha...Cajanine,a constituent of Cajanaus cajan L.,used in traditional Chinese medicine,is a promising drug candidate because of its broad range of bioactivities.However,the total synthesis of cajanine and its derivatives has never been reported.Herein,we report the total synthesis of cajanine in nine steps with an overall yield of 10%together with its analog,longistyline A,in 8%yield.The antiproliferative activity of the two compounds against a human hepatoma cell line is also reported.展开更多
基金The authors gratefully acknowledge financial support from the National Natural Science Foundation of China(Grant 30772646)the National Major Science and Technology Project of China("Innovation and Development of New Drugs",Grant 2009ZX09102-065).
文摘Cajanine,a constituent of Cajanaus cajan L.,used in traditional Chinese medicine,is a promising drug candidate because of its broad range of bioactivities.However,the total synthesis of cajanine and its derivatives has never been reported.Herein,we report the total synthesis of cajanine in nine steps with an overall yield of 10%together with its analog,longistyline A,in 8%yield.The antiproliferative activity of the two compounds against a human hepatoma cell line is also reported.