The aerial parts of Hymenopappus scabiosaeus afforded three known germacranolides, and a known and three new guaianolides. The structures were elucidated by high field 1H NMR spectroscopy. The chemotaxonomic relevance of the lactones is discussed briefly.
Hymenopappus scabiosaeus 的地上部分提供了三种已知的germacranolides,以及一种已知的和三种新的
愈创木酚内酯。通过高场1H NMR光谱阐明了结构。简要讨论了内酯的
化学分类学相关性。