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Three New Diterpenoids from Salvia przewalskiiMaxim

✍ Scribed by Gang Xu; Li-Yan Peng; Lin Tu; Xiao-Li Li; Yu Zhao; Peng-Tao Zhang; Qin-Shi Zhao

Publisher: John Wiley and Sons
Year: 2009
Tongue: German
Weight: 149 KB
Volume: 92
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.200800293

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✦ Synopsis

Abstract

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Three new compounds including one ortho‐quinone‐type icetexane diterpenoid, i.e., przewalskin E (1), one abietane dinorditerpenoid, i.e., przewalskin F (2), and one 7,20‐epoxyabietane diterpenoid, i.e., przewalskin G (3), were isolated from Salvia przewalskii Maxim. The identification and structure elucidation of these compounds were based on 1D‐ and 2D‐NMR spectral‐data analysis. It is noteworthy that przewalskin E (1), featured with an 11,12‐dioxoicetexane skeleton, represents the second example of a naturally occurring ortho‐quinone‐type icetexane diterpenoid from Salvia plants.

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