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Two New C 20 ‐Diterpenoid Alkaloids from Aconitum carmichaelii
Author(s) -
Shen Yong,
Zuo AiXue,
Jiang ZhiYong,
Zhang XueMei,
Wang HongLing,
Chen JiJun
Publication year - 2011
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.201000152
Subject(s) - chemistry , terpenoid , ranunculaceae , aconitum , stereochemistry , alkaloid , botany , biology
Two new C 20 ‐diterpenoid alkaloids, named aconicarchamines A and B ( 1 and 2 , resp.), were isolated from Aconitum carmichaelii. By UV, IR, MS, and 1D‐ and 2D‐NMR analyses, their structures were elucidated as 14,17‐dihydro‐14,17‐dihydroxyajabicine and 15‐ O ‐acetyllassiocarpine. Compound 1 is the third C 20 ‐diterpenoid alkaloid with the lycoctine skeleton bearing an exocyclic C‐atom at C(14).
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