- A new rearranged abietane diterpene and other constituents from Clerodendrum philipinum.
A new rearranged abietane diterpene and other constituents from Clerodendrum philipinum.
Natural product communications (2009-05-06)
Ha Van Oanh, Pham Xuan Sinh, Nguyen Thai An, Ta Manh Hung, Tran Thi Lan Huong, Do Thi Nguyet Que, Nguyen Phuong Thao, Nguyen Xuan Cuong, Nguyen Tien Dat, Chau Van Minh, Phan Van Kiem
PMID19413107
ABSTRACT
From the methanolic extract of the roots of Clerodendrum philipinum, a new rearranged abietane diterpene (1) and eight known compounds were isolated by various chromatography methods. Their structures were identified by means of spectroscopic methods, including 1D- and 2D-NMR, as 17(15-->16),18(4-->3)-bisabeo-11,12,14,16-tetrahydroxy-3,5,8,11,13,15-abietahexaen-7-one (1), binankadsurin A, clerodenoside A, martynoside, acteoside, isoacteoside, astragalin, p3-sitosterol, and daucosterol. Binankadsurin A was found for the first time from a Clerodendrum species.
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