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The Diels-Alder reactions between [60]fullerene and 2,3-dimethylene-1,4-dioxane (1) or 4,5-dimethylene-2,2-dimethyldioxolane (2) are described. The C 60 :1 derivative was obtained under mild thermal conditions. The compound 2 necessitates the use of high pressure to perform the [4+2] cycloaddition and its hydrolysis yields the acyloin derivative 7.
The reaction of C 60 with aryl azides 5 in dichlorobenzene at room temperature leads to isolable triazolinofullerene derivatives 6a and 6b. Photolysis of 6 selectively yields the aziridinofullerenes 7. In contrast to the photolysis the thermolysis affords the azafulleroids 8 as main product next to C 60 . In addition the first photochemically induced rearrangement of azafulleroids...
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