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Science 4 March 1994:
Vol. 263. no. 5151, pp. 1267 - 1268
DOI: 10.1126/science.8122107
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Articles

Science, Vol 263, Issue 5151, 1267-1268
Copyright © 1994 by American Association for the Advancement of Science

articles

Encapsulation of methane and other small molecules in a self-assembling superstructure

N Branda, R Wyler, and J Rebek Jr

Department of Chemistry, Massachusetts Institute of Technology, Cambridge 02139.

Physical inclusion of small molecules in larger structural lattices is well known in the crystalline state and is a common feature of the chemistry of zeolites. In the liquid state, a variety of synthetic macrocyclic molecules are available to complex and contain smaller guest species. An alternative strategy for binding is explored: assembly of cavity-forming structures from small subunits. Encapsulation of small guest molecules such as methane can be achieved with a synthetic structure that assembles reversibly through hydrogen bonding.


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A game of molecular tennis, anyone?.
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