- Getting connected: The formation of pseudorotaxane assemblies between a designed macrocyclic halogen bonding (XB) acceptor (red in scheme) and a series of XB donor threading components was templated by a single halogen bond. The strength of the XB assembly between the pyridine macrocycle and iodopyridinium thread was utilized in the ring-closing metathesis clipping synthesis of a catenane. Copyright © 2013 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim.
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A catenane assembled through a single charge-assisted halogen bond.
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