Post-assembly Modification of Kinetically Metastable FeII 2L3 Triple Helicates
Journal of the American Chemical Society
American Chemical Society
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Roberts, D., Castilla, A. M., Ronson, T., & Nitschke, J. (2014). Post-assembly Modification of Kinetically Metastable FeII 2L3 Triple Helicates. Journal of the American Chemical Society, 136 8201-8204. https://doi.org/10.1021/ja5042397
We report the covalent post-assembly modification of kinetically metastable amine-bearing FeII2L3 triple helicates via acylation and azidation. Covalent modification of the metastable helicates prevented their reorganization to the thermodynamically favored FeII4L4 tetrahedral cages, thus trapping the system at the non-equilibrium helicate structure. This functionalization strategy also conveniently provides access to a higher-order tris(porphyrinatoruthenium)–helicate complex that would be difficult to prepare by de novo ligand synthesis.
This work was supported by the UK Engineering and Physical Sciences Research Council (EPSRC). D.A.R. acknowledges the Gates Cambridge Trust for Ph.D. (Gates Cambridge Scholarship) and conference funding.
External DOI: https://doi.org/10.1021/ja5042397
This record's URL: https://www.repository.cam.ac.uk/handle/1810/246977
Attribution 2.0 UK: England & Wales
Licence URL: http://creativecommons.org/licenses/by/2.0/uk/
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