## Abstract One new C~19~‐diterpenoid alkaloid, named liangshantine (**1**), and three new C~20~‐diterpenoid alkaloids, liangshansines A–C (**2**–**4**, resp.), as well as eight known compounds, were isolated from the roots of __Aconitum liangshanicum.__ The structures of these new alkaloids were e
New Diterpenoid Alkaloids from Aconitum recemulosumFranch.
✍ Scribed by Yong-Hui Ge; Shu-Zhen Mu; Shi-Ying Yang; Yang Lu; Jian-Xin Zhang; Ye Wang; Xiao-Jiang Hao
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- German
- Weight
- 194 KB
- Volume
- 92
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Abstract
Two new diterpenoid alkaloids, racemulosines A (1) and B (2), were isolated from the roots of Aconitum racemulosum Franch. The structures of the new alkaloids were elucidated by analysis of physical and spectroscopic data, and the structure of 1 was further confirmed by a single‐crystal X‐ray diffraction analysis. Furthermore, compound 1, at 2.25⋅10^−4^ mol/l, showed moderate activity against platelet aggregation induced by PAF (platelet‐activation factor).
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## Abstract A new 19,21‐secohetisan diterpenoid alkaloid, tangutisine B (**1**), was isolated from the aerial parts of __Aconitum tanguticum__ (Maxim.) Stapf., together with pacidine, 14‐deacetylajadine. The structure of **1** was determined by an interpretation of 1D‐ and 2D‐NMR together with X‐ra