Wood, OG and Hawes, CS (2022) Fused aza-heterocyclic ligands: expanding the MOF chemist's toolbox. CrystEngComm, 24 (47). pp. 8197-8207. ISSN 1466-8033

[thumbnail of d2ce01475k.pdf]
d2ce01475k.pdf - Published Version

Download (2MB) | Preview


Azolate-containing ligands have played an important role in the development of water-stable metal-organic frameworks (MOFs) and related materials due to their particularly strong bonding with earth-abundant first row transition metal ions. Fused ring analogues of pyrazole, imidazole and triazole offer untapped potential to expand the scope of these systems as compact, robust anionic bridging ligands with much greater control over bridging geometries, pendant functionalities and electronic properties. The current design approaches in these systems have been directed by two separate methodologies. In one direction, the simple azoles imidazole, pyrazole and 1,2,4-triazole have been built up by adding fused ring functionality to increase complexity and allow new linker geometries. Meanwhile, in the search for biologically-compatible MOFs, purines such as adenine and hypoxanthine have been explored as linkers and their backbone functionalities optimised to prioritise stability and bridging geometry, leading independently to MOF linkers with similar key features. This highlight article surveys the convergence of these two approaches which both point to the benefits of fused 5-6 ring systems for their electronic and structural properties, and considers the key features that the ideal compact and stable heterocyclic linkers in functional metal-organic frameworks might contain.

Item Type: Article
Additional Information: Open Access Article. Published on 15 November 2022. Downloaded on 12/7/2022 11:31:57 AM. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. View Article Online
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Q Science > QD Chemistry > QD415 Biochemistry
Divisions: Faculty of Natural Sciences > School of Chemical and Physical Sciences
Depositing User: Symplectic
Date Deposited: 07 Dec 2022 11:33
Last Modified: 23 Feb 2023 11:00
URI: https://eprints.keele.ac.uk/id/eprint/11770

Actions (login required)

View Item
View Item