A new fullerene complexation ligand: N-pyridylfulleropyrrolidine.
The subject of this paper is a new fullerene building block design with the potential for defined geometry and good electronic communication. The synthesis and characterization of a new pyridinofullerene ligand capable of forming axially symmetric complexes with metalloporphyrins is reported. X-ray structural and molecular modeling studies, (1)H NMR, UV-vis spectroscopy, electrochemistry studies, and fluorescence quenching data support the formation of a strong complex between the new ligand and the metal center of ZnTPP. On the basis of computational studies, the highest occupied molecular orbital (HOMO) of this ligand is significantly different from a model compound with insulating carbons between the pyridine and the fullerene. The N-pyridinium fulleropyrrolidine salts of the new ligand and model compound were also prepared and their spectral and electrochemical properties are reported.
Tat
Fatma T
FT
Department of Chemistry, New York University, 100 Washington Square East, New York, New York, 10003, USA.
Zhou
Zhiguo
Z
MacMahon
Shaun
S
Song
Fayi
F
Rheingold
Arnold L
AL
Echegoyen
Luis
L
Schuster
David I
DI
Wilson
Stephen R
SR