Cf. Yen et al., Highly functionalized bicyclo[2.2.2]octenone-fused [60]fullerenes from masked o-benzoquinones and C-60, ORG LETT, 2(18), 2000, pp. 2909-2912
The Diels-Alder reactions of masked omicron-benzoquinones (MOBs) with [60]f
ullerene, affording novel and highly functionalized bicyclo[2.2.2]-octenone
-fused [60]fullerene derivatives, are described.