118
GOL’DSHLEGER et al.
0.4, 1.0 and 1.8 h (the control experiment is reac-
tion of [60]fullerene with 9,10-dihydroanthracene at
513 K for 1.8 h). The initial dark brown suspension of
C60Pt in a 9,10-dihydroanthracene melt appreciably
lightened during prolonged heating. After reaction
completion the reaction mixture was cooled to room
temperature. The unchanged 9,10-dihydroanthracene,
anthracene, and other reaction products were sublimed
in a vacuum at 373 K for 1 h and then at 443 K for
0.25 h.
Izv. Ross. Akad. Nauk, Ser. Khim., 1999, no. 5,
pp. 999 1002.
6. Yu, R., Liu, Q., Tan, Q., Xu, G.-Q., Ng, S.C.,
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7. Nagashima, H., Kato, Y., Yamaguchi, H., Kimura, E.,
Kawanishi, T., Kato, M., Saito, Y., Haga, M., and
Itoh, K., Chem. Lett., 1994, no. 7, pp. 1207 1210.
8. Nagashima, H., Nakaoka, A., Saito, Y., Kato, M.,
Kawanishi, T., and Itoh, K., Chem. Commun., 1992,
no. 4, pp. 377 379.
To compare with results of [4], we performed hy-
drogenation of C60Pt with dihydroanthracene at
623 5 K for 0.4 h. After reaction completion the
reaction mixture in the ampule consisted of a yellow-
brown solution and a dark precipitate. Hydrogen was
detected in the gas phase. The reaction mixture was
worked up by the above procedure.
9. Balch, A.L. and Olmstead, M., Chem. Rev., 1998,
vol. 98, no. 6, pp. 2123 2165.
10. Ma, B., Milton, A.M., and Sun, Ya.-P., Chem. Phys.
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11. Okotrub, A.V., Fomin, E.S., Ivanova, V.N., and Ma-
zalov, L.N., Mater. Res. Soc. Symp. Proc., 1996,
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12. Bensasson, R.V., Hill, T.J., Land, E.J., Leach, S.,
McGarvey, D.J., Truscott, T.G., Ebenhoch, J.,
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13. Komatsu, K., Murata, Y., Sugita, N., Takeuchi, K.,
and Wan, T.S.M., Tetrahedron Lett., 1993, vol. 34,
no. 52, pp. 8473 8476.
The anthracene concentration in the sublimate was
determined spectrophotometrically by the absorption
1
at
354 nm (alcohol,
7250 l mol 1 cm ); the
354
presence of C60 in reduced C60Pt samples was de-
termined by TLC (Silufol UV-254, system A) and
spectrophotometry ( 330 and 406 nm).
14. Gerst, M., Beckhaus, H.-D., Ruechardt, C., Camp-
bell, E.E.B., and Tellgmann, R., Tetrahedron Lett.,
1993, vol. 34, no. 48, pp. 7729 7732.
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rents, D.C., Ruoff, R.S., and Keegan, D.M., Energ.
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ACKNOWLEDGMENTS
This work was financially supported by Fullerenes
and Atomic Clusters State program (grant no. 99005).
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