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Title: Four New Diterpenoid Alkaloids from The Roots of Aconitum coreanum. Author: Xu JB, Luo YY, Huang S, Gao F, Zhou XL. Journal: Chem Biodivers; 2020 Jan; 17(1):e1900600. PubMed ID: 31793197. Abstract: Four new hetisine-type C20 -diterpenoid alkaloids, named as coreanines A-D (1-4), were isolated from the roots of Aconitum coreanum, together with thirteen known alkaloids (5-17). Their structures were elucidated by extensive spectroscopic methods including IR, HR-ESI-MS and NMR techniques. All the isolated compounds were screened for the acetylcholinesterase (AChE) inhibitory effects, and none of them showed considerable inhibitory activity.[Abstract] [Full Text] [Related] [New Search]