Multi-substituted fullerenes and methods for their preparation and characterization
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United States of America Patent
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Dec 19, 2000
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app pub date -
Nov 13, 1997
filing date -
Jul 31, 1995
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Abstract
The invention is directed to multiply-substituted fullerene derivatives of novel configurations, and methods for their preparation and use. The methods involve the combinatorial synthesis of a library of fullerene derivatives and comprises the steps of forming a mixture of fullerene derivatives by reacting the C.sub.n fullerene with two or more reactive precursor compounds, and removing the unreacted compounds to yield the fullerene derivatives having the desired activity. Methods for the identification and screening of a combinatorial library of fullerenes by .sup.3 He-nuclear magnetic resonance and electrospray mass spectrometry to define members with the optimal desired activity are also provided.
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