Triterpene alkaloids from Buxus sinica and their anti-AChE activities
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Fifteen previously undescribed Buxus alkaloids, designated as buxsinines A-O (1-15), together with nine known congeners (16-24), were isolated from Buxus sinica (Rehder & E.H. Wilson) M. Cheng. Buxsinine A (1) represents the first reported Buxus alkaloid featu... ...