Journal
CRYSTENGCOMM
Volume 23, Issue 23, Pages 4087-4102Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ce00471a
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Funding
- EPSRC [EP/J001325/1, EP/E023517/1, GR/R61949/01]
- Leverhulme Trust [RPG-2014-148]
- Diamond Light Source
- Daresbury synchrotron
- University of Leeds
- EPSRC [EP/E023517/1, EP/J001325/1] Funding Source: UKRI
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Coordination polymers formed using multi-topic cyclotriveratrylene-type ligands exhibit hierarchical guest-binding sites, typically found in coordination capsules or cages within networks.
A review of coordination polymers formed using multi-topic cyclotriveratrylene-type ligands. Cyclotriveratrylene (CTV) is a molecular host with a bowl-shaped tribenzo[a,d,g]cyclononatriene scaffold. Tripodal and hexapodal ligands with N-donor and O-donor groups have been developed and these form a range of coordination chains, 2D and 3D coordination networks with transition metals. Such ligands are molecular hosts so there is potential to form materials with both host-specific and lattice guest-binding sites. This highlight article will discuss how the host-guest properties of the ligands can compromise the ability of CTV-type ligands to form such materials as intracavity guest binding, bowl-in-bowl stacking and hand-shake inclusion motifs effectively block the host-specific binding site. A range of coordination polymer materials which do feature hierarchical guest-binding sites are formed from CTV-type ligands, most commonly where there are networks of coordination capsules or cage, or where alternating bowl-up, bowl-down arrangements of ligands within networks leads to tubular structures.
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