The oxidation of C-60 with m-chloroperbenzoic acid gave C60O2 with a h
igh positional selectivity, as the C-13 NMR analysis suggested. Diaddu
cts C60CCl2O, C60CCl2(anthracene), C60CCl2[(CH2CH2)(2)N-2], and C60CCl
2[Pt(PPh(3))(2)] were synthesized, isolated, and characterized by nega
tive ion FAB mass spectroscopy.