A simple and highly effective ligand system for the copper(I)-mediated assembly of rotaxanes.
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ABSTRACT: A [2]rotaxane was produced through the assembly of a picolinaldehyde, an amine, and a bipyridine macrocycle around a Cu(I) template by imine bond formation in close-to-quantitative yield. An analogous [3]rotaxane is obtained in excellent yield by replacing the amine with a diamine, thus showing the suitability of the system for the construction of higher order interlocked structures. The rotaxanes are formed within a few minutes simply through mixing the components in solution at room temperature and they can be isolated through removal of the solvent or precipitation.
SUBMITTER: Campbell CJ
PROVIDER: S-EPMC4502974 | biostudies-literature |
REPOSITORIES: biostudies-literature
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