Ruthenium on fullerenes and ruthenium and palladium on activated carbon were compared for their catalytic activity and selectivity in cinnamaldehyde hydrogenation. The fullerene support had a marked effect on the selectivity, even though the fullerenes themselves showed no catalytic activity.
Lashdaf, M., Hase, A., Kauppinen, E., & Krause, A. O. I. (1998). Fullerene-based ruthenium catalysts in cinnamaldehyde hydrogenation. Catalysis Letters, 52(3-4), 199-204. https://doi.org/10.1023/A:1019035907010