Two novel rare chloro-containing benzylisoquinoline alkaloids, thalfoliolosumines A (1) and B (2), along with eight known isoquinoline alkaloids (3-10) were isolated from the whole plant of Thalictrum foliolosum. The structures of these compounds were elucidated by spectral analyses, including 1D
BACKGROUND
The quality of herbal medicine is determined by its secondary metabolites, which may vary according to growth, season and altitude etc. OBJECTIVE: We studied the variation in phytochemistry and biological activities of Thalictrum foliolosum (TF) roots collected from four sites at
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