Cyclic Dimers of Metalloporphyrins as Tunable Hosts for Fullerenes: A Remarkable Effect of Rhodium(III) We thank Dr. F. Hasegawa of the Science University of Tokyo for HR-MS measurements. J.-Y.Z. and K.S. thank the JSPS for financial support
Angew Chem Int Ed Engl. 2001 May 18;40(10):1857-1861.