ul. Vorontsovo pole, 103064 Moscow, Russian Federation. Fax: 007 (095) 975 2450 CA. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky prosp., 117912 Moscow, Russian Federation. Fax: 007 (095) 230 2224Fullerene hydrides were prepared by hydrogenation of fullerenes C60 and Cr0 using proton transfer from 9,10-dihydroanthracene to fullerene and were studied by mass spectrometry (electron impact, field resorption), [R, UV, and tH and 13C NMR spectroscopy. The main product of the hydrogenation of C60 is C60H36, which is sufficiently stable. Hydrogenation of fullerene C70 gives a .series of polyhydrides CToH,~ (n = 36--46), and the main product is C70H36. The dehydrogenation of C60H36 by 2,3-dichtoro-5,6-dicyano-l,4benzoquinone is not quantitative and results in the formation of fullerene derivatives along with C60. The comparison of the IR and ZH and 13C NMR spectral data for solid C60H36 with the theoretical calculations suggests that the fullerene hydride has a T-symmetric structure and contains four isolated benzenoid rings located at tetrahedral positions on the surface of the closed skeleton of the molecule.
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