Spiromarienonols A and B: Two New 7(8→9)
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Reiko Tanaka; Shun-ichi Wada; Hitoshi Aoki; Shunyo Matsunaga; Takao Yamori
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Article
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2004
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John Wiley and Sons
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German
⚖ 191 KB
## Abstract Two new skeletal triterpene lactones, spiromarienonols A (**1a**) and B (**2a**), were isolated from the stem bark of __Abies mariesii__ Masters (Pinaceae). Based on spectral data and biogenetic considerations, their unique three‐dimensional structures were determined to be (3__R__,7__S