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Published May 26, 2005 | Supplemental Material
Journal Article Open

Magic Ring Catenation by Olefin Metathesis


Olefin metathesis has been employed in the efficient syntheses of a [2]catenane with the templation being provided by the recognition between a secondary ammonium ion and a crown ether. In one approach, a crown ether precursor has been clipped around an NH2+ center situated in a macrocyclic ring, yielding the mechanically interlocked compound. In the other approach, the reversible nature of olefin metathesis allows for a magic ring synthesis to occur wherein two free macrocycles can be employed as the stationary materials, leading to the formation of the same [2]catenane.

Additional Information

© 2005 American Chemical Society. Received 3 March 2005. Published online 6 May 2005. Published in print 1 May 2005. This work was supported by a research grant from the Office of Naval Research through its MURI program.

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August 19, 2023
October 26, 2023