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Host-Guest Capability of a Three-Dimensional Heterometallic Macrocycle

Abstract

A three-dimensional heterometallic coordination macrocycle is found to be capable of encapsulating planar pyrene(G1), coronene (G4) and non-planar corannulene(G2) guest molecules in high yields, giving rise to 1:1 host-guest complexes. The bowl-shaped guest corannulene is found to be significantly flattened upon inclusion within the cavity. However, macrocyclic compounds with larger cavity sizes, which form 1:1 stoichiometry assemblies with a naphthalene bisimide planar molecule (G3) are more inclined to form infinite sandwich structures. Furthermore, these heterometallic coordination macrocycles can be destroyed in the presence of soft base to form hexanuclear triangular prism complexes. These structures are unambiguously revealed by single-crystal X-ray analysis.

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Publication details

The article was received on 27 Nov 2017, accepted on 09 Jan 2018 and first published on 09 Jan 2018


Article type: Paper
DOI: 10.1039/C7DT04453D
Citation: Dalton Trans., 2018, Accepted Manuscript
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    Host-Guest Capability of a Three-Dimensional Heterometallic Macrocycle

    G. Jin, Q. Fan, Y. Lin and E. F. Hahn, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C7DT04453D

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