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|Title:||Probing the dimensions of semi-rigid inner functionalised U-shaped 'bis'-porphyrin cavities||Contributor(s):||Gaynor, Shaun Patrick (author); Gunter, Maxwell John (author); Johnston, MR (author); Warrener, RN (author)||Publication Date:||2006||DOI:||10.1039/b601417h||Handle Link:||https://hdl.handle.net/1959.11/1325||Abstract:||The synthesis of a series of open U-shaped 'bis'-porphyrin cavity molecules is described, with bridged bicyclic backbones to confer rigidity, and a pendant substituted aromatic probe unit suspended on the inside of the cavity. The dimensions and flexibility of the 'bis'-zincporphyrin cavity were probed using several different techniques. Initially the molecular ruler concept was employed, using flexible bidentate ligands as guests with a range of possible linear dimensions. Secondly, NMR methods were employed with rigid bidentate ligand guests of fixed lengths, and thirdly diffusion based NMR methods were utilised. The range of inter-porphyrin distances estimated by these methods suggests that these types of open-cavity systems have a surprising degree of flexibility.||Publication Type:||Journal Article||Source of Publication:||Organic & Biomolecular Chemistry, v.4, p. 2253-2266||Publisher:||Royal Society of Chemistry||Place of Publication:||Cambridge, England||ISSN:||1477-0520||Field of Research (FOR):||030302 Nanochemistry and Supramolecular Chemistry||Peer Reviewed:||Yes||HERDC Category Description:||C1 Refereed Article in a Scholarly Journal||Statistics to Oct 2018:||Visitors: 129
|Appears in Collections:||Journal Article|
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