A High-Symmetry Coordination Cage from 38- or 62-Component Self-Assembly
Journal of the American Chemical Society2012Vol. 134(19), pp. 8042–8045
Citations Over TimeTop 10% of 2012 papers
Xiao‐Ping Zhou, Jie Liu, Shun‐Ze Zhan, Jurong Yang, Dan Li, Kwan‐Ming Ng, Raymond Wai‐Yin Sun, Chi‐Ming Che
Abstract
Artificial molecular architecture from a large number of subcomponents (>50) via self-assembly remains a formidable challenge for chemists. Reaction of 38 components [14 Ni(2+) and 24 N-methyl-1-(4-imidazolyl)methanimine] under solvothermal conditions reproducibly leads to the formation of a high-symmetry coordination cage. This polyhedral cage can also be obtained in high yield by self-assembly of 62 commercially available subcomponents (24 methylamine, 24 4-formylimidazole, and 14 Ni(2+)) under mild conditions involving synchronized formation of both dynamic covalent bonds and coordination bonds. Guest molecules (e.g., water, methylamine, and methanol) are randomly imprisoned in the cage.
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