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Optically pure heterobimetallic helicates from self-assembly and click strategies
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Howson, Suzanne E., Clarkson, Guy J., Faulkner, Alan D., Kaner, Rebecca A., Whitmore, Michael J. and Scott, Peter (2013) Optically pure heterobimetallic helicates from self-assembly and click strategies. Dalton Transactions, Volume 42 (Number 42). pp. 14967-14981. doi:10.1039/c3dt51725j ISSN 1477-9226.
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WRAP_Howson_c3dt51725j.pdf - Published Version Available under License Creative Commons Attribution. Download (2837Kb) | Preview |
Official URL: http://dx.doi.org/10.1039/C3DT51725J
Abstract
Single diastereomer, diamagnetic, octahedral Fe(II) tris chelate complexes are synthesised that contain three pendant pyridine proligands pre-organised for coordination to a second metal. They bind Cu(I) and Ag(I) with coordination geometry depending on the identity of the metal and the detail of the ligand structure, but for example homohelical (ΔFe,ΔCu) configured systems with unusual trigonal planar Cu cations are formed exclusively in solution as shown by VT-NMR and supported by DFT calculations. Similar heterobimetallic tris(triazole) complexes are synthesised via clean CuAAC reactions at a tris(alkynyl) complex, although here the configurations of the two metals differ (ΔFe,ΛCu), leading to the first optically pure heterohelicates. A second series of Fe complexes perform less well in either strategy as a result of lack of preorganisation.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QD Chemistry | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
| Library of Congress Subject Headings (LCSH): | Metals, Ligands (Biochemistry) , Chemicals, Chemical reactions | ||||
| Journal or Publication Title: | Dalton Transactions | ||||
| Publisher: | Royal Society of Chemistry | ||||
| ISSN: | 1477-9226 | ||||
| Official Date: | November 2013 | ||||
| Dates: |
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| Volume: | Volume 42 | ||||
| Number: | Number 42 | ||||
| Page Range: | pp. 14967-14981 | ||||
| DOI: | 10.1039/c3dt51725j | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||
| Date of first compliant deposit: | 25 December 2015 | ||||
| Date of first compliant Open Access: | 25 December 2015 |
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