Since the discovery of cycloparaphenylenes in 2008, the chemical synthesis of more-complicated molecular systems with curved π-surfaces has been vigorously sought, giving rise to a plethora of new exciting molecules with various topologies and functions. This Synpacts article briefly summarizes recent examples of carbon nanohoop dimers, highlighting three examples as nanotube fragments. Their synthesis, isomerization, photophysical properties, and host–guest chemistry are discussed.1 Introduction2 Synthetic Strategy toward Nanotube Dimers3 Isomerization Dynamics of Nanotube Dimers4 Photophysical Properties of Nanotube Dimers5 Host–Guest Chemistry of Nanotube Dimers6 Conclusions

中文翻译：

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二聚环对亚苯基作为纳米管片段的最新进展

自 2008 年发现环对亚苯基以来，人们一直在大力寻求更复杂的具有弯曲 π 表面的分子系统的化学合成，从而产生了大量具有各种拓扑结构和功能的令人兴奋的新分子。Synpacts 的这篇文章简要总结了碳纳米环二聚体的最新示例，重点介绍了三个作为纳米管片段的示例。讨论了它们的合成、异构化、光物理性质和主客体化学。 1 介绍 2 纳米管二聚体的合成策略 3 纳米管二聚体的异构化动力学 4 纳米管二聚体的光物理性质 5 纳米管二聚体的主客体化学 6 结论