Affiliation:
1. Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan.
Abstract
In spite of their importance in fundamental and applied studies, the preparation of endohedral fullerenes has relied on difficult-to-control physical methods. We report a four-step organic reaction that completely closes a 13-membered ring orifice of an open-cage fullerene. This process can be used to synthesize a fullerene C
60
encapsulating molecular hydrogen, which can be isolated as a pure product. This molecular surgical method should make possible the preparation of a series of C
60
fullerenes, encapsulating either small atoms or molecules, that are not accessible by conventional physical methods.
Publisher
American Association for the Advancement of Science (AAAS)
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Cited by
588 articles.
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