Novel abietane diterpenoids from Salvia prionitis

Two hitherto unknown highly modified abietane diterpenoids, namely salviapritin A (1) and salviapritin B (2), were isolated from the ethanol extract of Salvia prionitis, together with 17 known compounds. Their chemical structures were established by extensive spectroscopic methods (ESIMS, HRESIMS, 1...

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Bibliographic Details
Published in:Journal of asian natural products research 2020-10, Vol.22 (10), p.989-994
Main Authors: Jiang, Xian-Jun, Li, Xiang-Mei, Wang, Li-Xia, Wen, Shi-Zhen, Wei, Guo-Zhu, Yang, Ku, Wang, Fei
Format: Article
Language:English
Subjects:
Chemical compounds
Diterpenes
Ethanol
NMR
norabietane
Nuclear magnetic resonance
rearranged abietane
Salvia prionitis
secoabietane
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Summary:Two hitherto unknown highly modified abietane diterpenoids, namely salviapritin A (1) and salviapritin B (2), were isolated from the ethanol extract of Salvia prionitis, together with 17 known compounds. Their chemical structures were established by extensive spectroscopic methods (ESIMS, HRESIMS, 1D and 2D NMR) and by comparison of their NMR data with those of related analogues. Salviapritin A is the first example of a trinorabietane diterpenoid possessing an acenaphthylene skeleton from the Salvia genus. Additionally, a plausible biogenetic pathway for salviapritin B is proposed.
ISSN:1028-6020
1477-2213
DOI:10.1080/10286020.2019.1666827