Novel template effect for the preparation of [2]rotaxanes with functionalised centre piecesElectronic supplementary information (ESI) available: Experimental section and 1H NMR titration curves. See http://www.rsc.org/suppdata/cc/b2/b208361b/

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Abstract
A novel anion-templated synthesis permits the preparation of [2]rotaxanes with a tetralactam wheel through which axles are threaded that are functionalised at their center pieces; the wheel protects these groups efficiently against modifications.