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Diterpenoids from the fruits of Vitex trifolia
M Ono1, H Sawamura, Y Ito
1Research Institute of General Education, Kyushu Tokai University, Aso, Kumamoto, Japan.,. mono@as-1.ktokai-u.ac.jp
Phytochemistry
|January 5, 2001
Abstract:
An abietane-type diterpene, named vitetrifolin A, and two labdane-type diterpenes, named vitetrifolins B and C, were isolated from the acetone extract of the fruits of Vitex trifolia L. (Viticis Fructus; Verbenaceae) along with three known diterpenes, rotundifuran, dihydrosolidagenone and abietatriene 3beta-ol. The structures of these compounds were elucidated on the basis of spectroscopic analysis, X-ray crystallographic analysis and chemical evidence.