通过 thiophene S,S-二氧化物循环添加,对Strychnos 类化合物的集体不对称合成
Kun Ho 'Kenny' Park1, Jisook Park1, Nils Frank1
1Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford, UK.
Nature chemistry
|January 23, 2026
概括
提奥芬S,S-二氧化物能够快速,立体选择性合成斯特里克诺斯类化合物. 这种模块化方法为复杂的天然产品提供了简洁的路线,如,推进药物化学.
科学领域:
- 有机化学 有机化学
- 合成化学 合成化学
- 药用化学 医学化学
背景情况:
- 斯特里克诺斯类化合物是具有显著生物活性的复杂天然产品.
- 它们复杂的结构对化学合成构成了重大挑战.
- 开发高效和刻板选择性的合成策略至关重要.
研究的目的:
- 开发一个模块化和高效的合成策略,用于Strychnos类化合物.
- 为了实现多个Strychnos家族成员的不对称和原子经济合成.
- 探索在天然产品合成中烯S,S-二氧化物 (TDOs) 的实用性.
主要方法:
- 使用的反向电子需求Diels-Alder级联涉及硫S,S-二氧化物 (TDOs).
- 采用非对称的TDO循环添加来实现高立体控制.
- 应用机器学习计算研究来理解立体感应.
- 合成了八种斯特里克诺斯类化合物,包括布鲁辛.
主要成果:
- 使用TDOs证明了对斯特里克诺斯天然产品的模块化和快速进入.
- 在不对称的TDO循环添加中实现了异常的立体控制,产生了有用的三环印林.
- 建立了迄今为止最短的合成路线到八种斯特里克诺斯类化合物.
- 确定了一种意想不到的自发的SO2的切莱特罗普挤出.
结论:
- 蒂奥芬S,S-二氧化物为斯特里克诺斯类化合物的不对称合成提供了一个强大的平台.
- 这种方法提供了简洁而高效的医疗相关的自然产品.
- 计算洞察力增强了对复杂分子合成中的立体选择反应的理解.
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