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Figure-Eight Bismacrocycles Derived from a Tetraphenylmethane Core and Oligoparaphenylene Loops
Organic Letters ( IF 4.9 ) Pub Date : 2024-09-06 , DOI: 10.1021/acs.orglett.4c02701
Xiaobo Zhang 1 , Kai Lan 1 , Chuyang Cheng 1
Organic Letters ( IF 4.9 ) Pub Date : 2024-09-06 , DOI: 10.1021/acs.orglett.4c02701
Xiaobo Zhang 1 , Kai Lan 1 , Chuyang Cheng 1
Affiliation
Cycloparaphenylenes have garnered significant interest due to their distinctive chemical and physical characteristics. This study presents the synthesis and comprehensive characterization of two bis-macrocycle molecules joined by cycloparaphenylene and tetraphenylmethane moieties. Both molecules were thoroughly characterized using NMR, MALDI-TOF-HRMS, and X-ray diffraction. UV–vis spectroscopy revealed maximum absorption peaks at 325 and 328 nm, while the two bismacrocycles exhibit fluorescence emissions at 470 and 457 nm, consistent with DFT calculations. The computational analysis also disclosed the HOMO–LUMO gaps of 3.373 and 3.342 eV.
中文翻译:
由四苯基甲烷核心和低聚对亚苯基环衍生的八字形双大环
环对亚苯基由于其独特的化学和物理特性而引起了人们的极大兴趣。本研究介绍了由环对亚苯基和四苯基甲烷部分连接的两个双大环分子的合成和综合表征。使用 NMR、MALDI-TOF-HRMS 和 X 射线衍射对这两种分子进行了彻底表征。紫外可见光谱显示最大吸收峰位于 325 和 328 nm,而两种双大环在 470 和 457 nm 处表现出荧光发射,与 DFT 计算一致。计算分析还揭示了 HOMO-LUMO 能隙为 3.373 和 3.342 eV。
更新日期:2024-09-06
中文翻译:
由四苯基甲烷核心和低聚对亚苯基环衍生的八字形双大环
环对亚苯基由于其独特的化学和物理特性而引起了人们的极大兴趣。本研究介绍了由环对亚苯基和四苯基甲烷部分连接的两个双大环分子的合成和综合表征。使用 NMR、MALDI-TOF-HRMS 和 X 射线衍射对这两种分子进行了彻底表征。紫外可见光谱显示最大吸收峰位于 325 和 328 nm,而两种双大环在 470 和 457 nm 处表现出荧光发射,与 DFT 计算一致。计算分析还揭示了 HOMO-LUMO 能隙为 3.373 和 3.342 eV。