Aryl carbazole-based macrocycles: synthesis, their remarkably stable radical cations and host–guest complexation with fullerenes,Organic Chemistry Frontiers

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Aryl carbazole-based macrocycles: synthesis, their remarkably stable radical cations and host–guest complexation with fullerenes
Organic Chemistry Frontiers ( IF 4.6 ) Pub Date : 2021-06-22 , DOI: 10.1039/d1qo00686j
Lijun Mao ₁ , Manfei Zhou ₁ , Yan-Fei Niu ₁ , Xiao-Li Zhao ₁ , Xueliang Shi ₁

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A series of fully conjugated macrocycles M_n (n = 4–7) consisting of N-(3,5-di-tert-butyl-4-methoxyphenyl) substituted carbazole (Cz-Ar) were successfully synthesized. The aryl carbazole and macrocycle M₄ can be readily oxidized and the corresponding radical cation species were found to be highly stable. Moreover, macrocycle M₅ was found to form 1 : 1 stoichiometric complexes with fullerenes C₆₀ and C₇₀ with association constants as high as (8.38 ± 0.33) × 10⁴ M⁻¹ and (7.64 ± 0.26) × 10⁴ M⁻¹, respectively.

中文翻译：

基于芳基咔唑的大环化合物：合成、它们非常稳定的自由基阳离子以及与富勒烯的主客体络合

成功合成了一系列由N -(3,5-二叔丁基-4-甲氧基苯基)取代的咔唑 ( Cz-Ar )组成的完全共轭大环M _n ( n = 4–7) 。芳基咔唑和大环M ₄很容易被氧化，并且发现相应的自由基阳离子物质是高度稳定的。此外，发现大环M ₅与富勒烯 C ₆₀和 C ₇₀形成 1 : 1 化学计量配合物，结合常数高达 (8.38 ± 0.33) × 10 ⁴ M ^-1和 (7.64 ± 0.26) × 10 ⁴ M^-1，分别。

更新日期：2021-06-30

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