Abstract
The reaction of C 60 with BH 3 : tetrahydrofuran in toluene followed by hydrolysis yielded C 60 H 2 . This product was separated by high-performance liquid chromatography and characterized as the addition product of H 2 to a 6,6-ring fusion (1a1b isomer). The 1 H nuclear magnetic resonance (NMR) spectrum of the product remained a sharp singlet between –80° and +100°C, which suggests a static structure on the NMR time scale. Hydrolysis of the proposed borane addition product with acetic acid- d 1 or D 2 O yielded C 60 HD, and its 3 J HD coupling constant is consistent with vicinal addition. The observation of a single C 60 H 2 isomer is in complete agreement with earlier calculations that indicated that at most 2 of the 23 possible isomers of C 60 would be observable at equilibrium at room temperature. These results suggest that organoborane chemistry may be applied to further functionalization of fullerenes.
References
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Dates
Type | When |
---|---|
Created | 18 years, 10 months ago (Oct. 5, 2006, 7:05 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 12, 2024, 6:05 p.m.) |
Indexed | 11 months, 2 weeks ago (Sept. 7, 2024, 6:40 a.m.) |
Issued | 32 years, 4 months ago (March 26, 1993) |
Published | 32 years, 4 months ago (March 26, 1993) |
Published Print | 32 years, 4 months ago (March 26, 1993) |
@article{Henderson_1993, title={C 60 H 2 : Synthesis of the Simplest C 60 Hydrocarbon Derivative}, volume={259}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.259.5103.1885}, DOI={10.1126/science.259.5103.1885}, number={5103}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Henderson, Craig C. and Cahill, Paul A.}, year={1993}, month=mar, pages={1885–1887} }