Constituents of the Aerial Parts of Agrimonia pilosa

Constituents of the Aerial Parts of Agrimonia pilosa

Four ursane type triterpenes have been isolated from the methanolic extract of the aerial parts of Agrimonia pilosa Ledeb. (Rosaceae) through repeated silica gel and reverse-phase C-18 column chromatography. Their chemical structures were elucidated as ursolic acid (1), pomolic acid (2), tormentic acid (3), and corosolic acid (4) on the basis of their MS, $^1H-$, and $^{13}C-NMR$ spectral data. Compounds 2 and 4 were isolated from the genes of Agrimonia for the first time.

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