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首页> 外文期刊>Chemistry: A European journal >Strategic Synthesis of 2,6-Pyridylene-Bridged b-to-b Porphyrin Nanorings through Cross-Coupling
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Strategic Synthesis of 2,6-Pyridylene-Bridged b-to-b Porphyrin Nanorings through Cross-Coupling

机译：通过交叉偶联策略合成2,6-吡啶桥连的b-b卟啉纳米环

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Since the crystal structure of LH2 was elucidated to be circularly arranged chromophoric assemblies,[1–3] much effort has been devoted towards the synthesis of cyclic porphyrin arrays to study the excitation energy transfer (EET) and electronic coupling along the wheel.[4] These cyclic porphyrin arrays are also interesting in host–guest chemistry,[5] single-molecule photochemistry,[6] nonlinear optical (NLO) materials[7] and so on.[8–12] Cyclic porphyrin arrays are constructed by means of covalent bonds, noncovalent bonds, or metal coordination bonds.[8–12] Although the last two are beneficial to construct cyclic porphyrin arrays, those are often unstable toward solvent change or addition of other competing species. The covalently bonded arrays are structurally robust, but often difficult to synthesize. In addition, the final macrocyclization steps are the most tedious and generally need assistance from a suitable templat
机译：由于阐明了LH2的晶体结构是圆形排列的发色团，[1-3]大量努力致力于合成环状卟啉阵列，以研究沿轮的激发能转移（EET）和电子耦合。[4] ]这些环状卟啉阵列在客体化学，[5]单分子光化学，[6]非线性光学（NLO）材料[7]等中也很有趣。[8-12]环状卟啉阵列是通过以下方法构建的共价键，非共价键或金属配位键。[8-12]尽管后两个有利于构建环状卟啉阵列，但它们通常对溶剂变化或添加其他竞争性物种不稳定。共价键合的阵列在结构上是坚固的，但是通常难以合成。此外，最后的宏环化步骤最繁琐，通常需要适当模板的帮助

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