Four macrocycles with the penta-triazine and penta-piperazine scaffold were efficiently synthesized via self-cyclization in 15–23% yields; the synthesized macrocycles were assumed to have crown-shaped conformations by NMR spectroscopy and computational simulations and contain void spaces in the bulky state by CO2 isotherms.
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H. Lai, Y. Lu, H. Cheng, H. Hsu and L. Lai, Chem. Commun., 2025, Accepted Manuscript , DOI: 10.1039/D5CC05684E
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