Facial one-pot synthesis of D3h symmetric bicyclocalix[2]arene[2]triazines and their layered comb self-assembly |
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Authors: | Yin Chen Wang Jiahui Hai Xu Li Qianqian Jiang Jing |
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Institution: | 1. Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, China;2. Catalysis Center, PSE, KAUST, 23955-6900 Thuwal, Saudi Arabia |
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Abstract: | A number of D3h symmetric bicyclocalix2]arene2]triazine core compounds were synthesized via a general and good-yielding (43–48% yield) facile protocol starting from cyanuric halides, phloroglucinol and K2CO3 under very mild reaction conditions. These cage-like compounds are tolerante with different reaction conditions and can be derived with other functional groups in high yields. The X-ray crystal structures show these compounds have slightly distorted D3h symmetric structures. Due to the unique molecular topological structure, bicyclocalix2]arene2]triazine molecules form unique layered comb networks when hydrogen bond groups exist (such as CO2H, B(OH)2), which represent a new kind of building block unit for supramolecular architectures. |
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Keywords: | Cage molecular Supramolecular assembly Facile synthesis |
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