Four New Halimane-Type Diterpenes, Vitetrifolins D-G, from the Fruit of Vitex trifolia.
摘要:
Four new halimane-type (rearranged labdane-type) diterpenes, vitetrifolins D-G were isolated from the fruit of Vitex trifolia L. (Verbenaceae). Their chemical structures were determined on the basis of spectroscopic data as well as chemical evidence.