Four new C19-diterpenoid alkaloids from Aconitum hemsleyanum var. circinatum

Dan He,Wang-Yan Liu,Jiao Xiong,Jun-Ju Xu,Yong Shen

Journal of Asian Natural Products Research（2019）

Cited 4|Views22

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Abstract

Four new C19-diterpenoid alkaloids, hemaconitines A–D (1–4), were isolated from the roots of Aconitum hemsleyanum var. circinatum. Their structures were elucidated as 19R-hydroxyl-secoyunnaconitine (1), (3R)-hydroxyl-liwaconitine (2), 14-anisoyl-leucanthumsine E (3), and 19R -acetonyl-8-O-methyltalatisamine (4) by extensive spectroscopic analysis (IR, UV, HR-ESI-MS, 1D, and 2D NMR).

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Key words

C19-diterpenoid alkaloids,Aconitum hemsleyanumvar. circinatum,spectroscopy

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