The expected (dialkoxymethano)fullerene 3, which would be generated by the addition of methoxy-[2-(trimethylsilyl)ethoxy]carbene across a carbon−carbon double bond of C 60, was not obtained; the 1,2- and 1,4-dihydrofullerenes 1 and 2 were isolated instead. The novel compounds 1 and 2 were characterized by 13 C- and 1 H-NMR as well as FTIR and UV-vis spectroscopies. A mechanism for their formation is suggested.
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González et al. (1996) studied this question.
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