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Issue 3, 2007
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Metal-driven ligand assembly in the synthesis of cyclodextrin [2] and [3]rotaxanes

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Abstract

Cyclodextrin [2] and [3]rotaxanes have been synthesised by use of a metal-driven ligand formation methodology. The kinetically stable cobalt(III) complexes formed act as either linking or capping groups, the function being selected by manipulation of the reaction conditions to promote the formation of either 2 : 1 or 1 : 1 complexes, respectively. In all cases, mixtures of isomers containing different α-cyclodextrin orientations were observed. All three orientational isomers of the [3]rotaxane were isolated and structurally characterized by 2D NMR.

Graphical abstract: Metal-driven ligand assembly in the synthesis of cyclodextrin [2] and [3]rotaxanes

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Publication details

The article was received on 14 Nov 2006, accepted on 28 Nov 2006 and first published on 05 Jan 2007


Article type: Paper
DOI: 10.1039/B616621K
Citation: Org. Biomol. Chem., 2007,5, 457-462
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    Metal-driven ligand assembly in the synthesis of cyclodextrin [2] and [3]rotaxanes

    A. G. Cheetham, T. D. W. Claridge and H. L. Anderson, Org. Biomol. Chem., 2007, 5, 457
    DOI: 10.1039/B616621K

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