Przewalskin A: A New C<sub>23</sub> Terpenoid with a 6/6/7 Carbon Ring Skeleton from <i>Salvia </i><i>p</i><i>rzewalskii</i> Maxim
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Przewalskin A (1), a novel C23 terpenoid with a 6/6/7 carbon ring skeleton, was isolated from Salvia przewalskii. Its structure was determined by comprehensive 1D NMR, 2D NMR, and MS spectroscopic analysis and subsequently confirmed by a single-crystal X-ray diffraction study of its PDC oxidation derivative (2). Compounds 1 and 2 showed modest anti-HIV-1 activity with EC50 = 41 and 89 μg/mL, respectively.
创建时间：
2006-09-28
