Self-Assembling Catenanes (pages 1039–1042)
Peter R. Ashton, Christopher L. Brown, Dr. Ewan J. T. Chrystal, Timothy T. Goodnow, Prof. Angel E. Kaifer, Dr. Keith P. Parry, Alexandra M. Z. Slawin, Dr. Neil Spencer, Dr. J. Fraser Stoddart and Dr. David J. Williams
Version of Record online: 22 DEC 2003 | DOI: 10.1002/anie.199110391
Two polyether macrocycles are “threaded” when the dication 1 is cyclized with 4,4′-dibromomethylbiphenyl (2) in the presence of these macrocycles. NMR spectroscopy revealed that the polyether macrocycles rotate around the tetracationic macrocycle formed from 1 and 2.