Self-assembly of a water-soluble [2]rotaxane with carbohydrate stoppers

Ashton, Peter R. ; Everitt, Simon R. L. ; Gómez-López, Marcos ; Jayaraman, Narayanaswamy ; Fraser Stoddart, J. (1997) Self-assembly of a water-soluble [2]rotaxane with carbohydrate stoppers Tetrahedron Letters, 38 (32). pp. 5691-5694. ISSN 0040-4039

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A [2]rotaxane self-assembles spontaneously by 'slippage' in D2O during one week at room temperature when a dumbbell-shaped compound, containing a hydroquinone ring recognition site and terminated by β-D-glucopyranose units, is mixed with cyclobis(paraquat-ρ-phenylene) tetrachloride. A [2]rotaxane with benzoylated D-glucopyranose residues is obtained when the dumbbell-shaped octabenzoate serves as a template for the formation of the cyclobis(paraquat-ρ-phenylene) tetracation in DMF. A [2]rotaxane self-assembles spontaneously in D2O when a dumbbell-shaped component incorporating a hydroquinone ring and terminated by glucose residues is mixed with cyclobis(paraquat-ρ-phenylene).

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:65975
Deposited On:20 Oct 2011 07:09
Last Modified:20 Oct 2011 07:09

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