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A Giant Carceplex Permanently Entraps Three Organic Molecules
Naveen Chopra1, John C Sherman1
1Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T 1Z1 (Canada), Fax: (+1) 604-822-2847.
Abstract:
Capping a trimer of cavitands at the top and bottom creates a large carceplex which contains three permanently entrapped N,N-dimethylformamide (DMF) molecules (shown schematically). Room-temperature NMR spectra and CPK models indicate that the DMF molecules are free to move within the carceplex cavity and thus create a "microsolvent" environment, while at lower temperatures distinct DMF sites can be distinguished.
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