Dr. Marta Izquierdo, Maira R. Cerón, Núria Alegret, Dr. Alejandro J. Metta-Magaña, Dr. Antonio Rodríguez-Fortea, Prof. Dr. Josep M. Poblet and Prof. Luis Echegoyen Unexpected Isomerism in cis-2 Bis(pyrrolidino)Fullerene Diastereomers Angewandte Chemie International Edition 52
Similar yet different: A one-step regio- and diastereoselective synthesis of three new bis(pyrrolidine)fullerenes, one cis-1 and two unprecedented cis-2 diastereoisomers, is reported (see scheme). The compounds are easily purified using simple chromatographic techniques, and were fully characterized by spectroscopic techniques and X-ray crystallography. A mechanism for the isomeric conversion observed is proposed.
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