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J Am Chem Soc. 2012 May 23;134(20):8321-3. doi: 10.1021/ja302711z. Epub 2012 May 8.

A three-compartment chemically-driven molecular information ratchet.

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1
School of Chemistry, University of Edinburgh, UK.

Abstract

We describe a three-compartment rotaxane information ratchet in which the macrocycle can be directionally transported in either direction along an achiral (disregarding isotopic labeling) track. Chiral DMAP-based catalysts promote a benzoylation reaction that ratchets the displacement of the macrocycle, transporting it predominantly to a particular end compartment determined by the handedness of the catalyst.

PMID:
22524156
DOI:
10.1021/ja302711z

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