Fei Zeng, Lin-Li Tang, Jian-Hao Wang, Bin Sun, Man-Hua Ding and Qin-Chun Li
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Benzoimidazole-2-one based macrocyclic arenes: synthesis, and solvent-induced structural changes†
This investigation reports the synthesis of benzoimidazole-2-one based macrocyclic arenes 1 and 2 by a one-pot condensation strategy via nucleophilic substitution reactions. X-ray crystallographic study demonstrates that cooperative hydrogen and halogen bonds interaction can control not only the cavity size of 1, but also the “tripod” and “chair” conformation of 2.
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