Citation: Chun Mei ZHOU, Lin WANG, Zhi Zhong ZHAO. Synthesis of 11-demethyl and 6, 6,11-demethyl Calanolide A[J]. Chinese Chemical Letters, ;1997, 8(10): 859-860. shu

Synthesis of 11-demethyl and 6, 6,11-demethyl Calanolide A

Institute of Materia Medica, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, 100050

Fund Project: The authors are very grateful to Prof. Xiao Tian Liang for his helpful discussions, and thank the National Natural Science Foundation of China for support (No. 29572085).

Synthesis of 11-demethyl and 6,6,11-demethyl calanolides A (6-9) have been carried out by a four-step reaction sequence using a simple approach in order to investigate the structural requirements necessary for antiviral activity.
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