来自Inonotus obliquus真菌的Lanostane类型的三类化合物
Tian-Hao Zhang1, Wen-Li Zeng1, Chuang Zhu1
1College of Chemistry and Material Sciences, South-Central Minzu University, Wuhan, P. R. China.
Natural product research
|December 27, 2025
概括
研究人员从Inonotus obliquus中确定了新的和已知的lanostane类型的三基. 光谱数据和量子化学计算阐明了它们的结构,揭示了多样化的C-17侧链.
科学领域:
- * * 自然产品化学 自然产品化学
- * 植物化学 植物化学
- * 有机化学 有机化学
背景情况:
- * 一种真菌Inonotus obliquus以其特有的兰类型的三类型而闻名.
- *以前的研究已经确定了这些化合物的存在,需要进一步的结构阐明和表征.
研究的目的:
- *从Inonotus obliquus的EtOAc提取物中分离和鉴定出新的和已知的拉诺斯坦型三烯酸.
- * 用全面的光谱数据和计算方法确定分离化合物的结构.
- *分析结构变化,特别是C-17侧链,及其影响.
主要方法:
- * 用色谱技术提取真菌物质和分离化合物.
- *通过核磁共振 (NMR) 谱学和高分辨率电喷射电离化质谱学 (HR-ESI-MS) 来确定结构.
- * 应用量子化学计算来帮助结构赋值和分析.
主要成果:
- *分离了三种新型兰诺斯坦型三类化合物 (化合物1-3),以及18种已知的衍生物.
- *对多种C-17侧链的表征,包括21,24-cyclopentanol部分,γ-乳环和四基环.
- *分析了21,24-环酸中C-21和C-24的13C化学转移变化.
结论:
- *这项研究成功地鉴定和表征了来自Inonotus obliquus的各种拉诺斯坦型三类.
- *这些发现为这些化合物的结构多样性提供了洞察力,特别是关于它们的C-17侧链.
- *总结的13C化学转移数据可以作为一种有价值的工具,用于确定相关化合物中21,24-cyclopentanol部分的相对配置.
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