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Nature Chemistry (7 November 2008) | doi:10.1038/nchem.87

Metal complexes: Knot your usual molecules

Anne Pichon

The topology of a molecule has a crucial role in determining its properties, and so the synthesis of entangled species such as knots and links has attracted considerable interest. Molecular knots can be made by using a number of different covalent or non-covalent templating strategies, but such approaches have traditionally involved multi-step syntheses.