Increasing the stability of calixarene-capped porous cages through coordination sphere tuning
| Author(s) | Dey, Avishek | |
| Author(s) | Dworzak, Michael R. | |
| Author(s) | Korathotage, Kaushalya D. P. | |
| Author(s) | Ghosh, Munmun | |
| Author(s) | Hoq, Jahidul | |
| Author(s) | Montone, Christine M. | |
| Author(s) | Yap, Glenn P. A. | |
| Author(s) | Bloch, Eric D. | |
| Date Accessioned | 2024-03-27T17:11:53Z | |
| Date Available | 2024-03-27T17:11:53Z | |
| Publication Date | 2024-01-05 | |
| Description | This article was originally published in Dalton Transactions. The version of record is available at: https://doi.org/10.1039/D3DT03365A. © The Royal Society of Chemistry 2024 | |
| Abstract | Chemically and thermally stable permanently porous coordination cages are appealing candidates for separations, catalysis, and as the porous component of new porous liquids. However, many of these applications have not turned to microporous cages as a result of their poor solubility and thermal or hydrolytic stability. Here we describe the design and modular synthesis of iron and cobalt cages where the carboxylate groups of the bridging ligands of well-known calixarene capped coordination cages have been replaced with more basic triazole units. The resultingly higher M–L bond strengths afford highly stable cages that are amenable to modular synthetic approaches and potential functionalization or modification. Owing to the robust nature of these cages, they are highly processable and are isolable in various physical states with tunable porosity depending on the solvation methods used. As the structural integrity of the cages is maintained upon high activation temperatures, apparent losses in porosity can be mediated by resolvation and crystallization or precipitation. | |
| Sponsor | This material is based upon work supported by the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy under the Hydrogen and Fuel Cell Technologies and Vehicle Technologies Offices under Award Number DE-EE0008813. Crystal structures were obtained on an insrument sponsored by the NIH, S10-OD026896A. | |
| Citation | Dey, Avishek, Michael R. Dworzak, Kaushalya D. P. Korathotage, Munmun Ghosh, Jahidul Hoq, Christine M. Montone, Glenn P. A. Yap, and Eric D. Bloch. “Increasing the Stability of Calixarene-Capped Porous Cages through Coordination Sphere Tuning.” Dalton Transactions 53, no. 9 (2024): 4005–9. https://doi.org/10.1039/D3DT03365A. | |
| ISSN | 1477-9234 | |
| URL | https://udspace.udel.edu/handle/19716/34229 | |
| Language | en_US | |
| Publisher | Dalton Transactions | |
| dc.rights | Attribution 3.0 Unported | en |
| dc.rights.uri | https://creativecommons.org/licenses/by/3.0/ | |
| Title | Increasing the stability of calixarene-capped porous cages through coordination sphere tuning | |
| Type | Article |
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