连接螺旋梯类型的芳香乳液
Huidong Xie1,2, Zuo Xiao1,2, Yixiao Song1,2
1Center for Excellence in Nanoscience, Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS), National Center for Nanoscience and Technology, Beijing 100190, China.
Journal of the American Chemical Society
|April 16, 2024
概括
研究人员合成了具有独特螺旋结构的新型结合芳香乳酸. 这些化合物表现出客体适应性托管能力,特别是对于富勒烯,并显示出作为循环偏光发射器的潜力.
科学领域:
- 有机化学
- 超分子化学
- 材料科学
背景情况:
- 附带非平面芳香物 (TNA) 是一种具有独特性质的重要化合物,但它们的合成和特征尚未完全理解.
- 目前对TNA的合成,结构和性质的知识有限,这凸显了进一步研究的需要.
研究的目的:
- 通过催化反应合成一种新型的TNA,特别是结合性芳香乳酸.
- 研究这些新型TNA的结构性,宿主性和手术性质.
- 首次展示TNA的客户适应性.
主要方法:
- 通过Pd催化连续的分子内直接结合合成结合的芳香乳酸.
- 使用X射线结晶学,理论计算,光定位和NMR定位进行结构和宿主-客人相互作用分析.
- 对手术特征和循环极化发光 (CPL) 潜力的评估.
主要成果:
- 连接的芳香乳酸的成功合成,其中包括多达13个化环的螺旋梯式结合系统,总产量为3.44.3%.
- 最大的合成乳酸,6L-Bu-C,表现出前所未有的客体适应能力,其腔体适应富勒烯客体.
- 观察到6L-Bu-C对C70的结合亲和力比C60更强,这归因于增强的凸-凸π相互作用.
- 对于P和M双种酶体,都观察到明显和持久的手术性质.
结论:
- 结合性芳香乳酸是一种具有复杂螺旋结构的新且可合成的TNA类.
- 这些化合物具有显著的宿主适应能力,为新的超分子应用铺平了道路.
- 纯TNA的独特的光学特性突出了它们作为高效的循环偏光发射器的潜力.
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