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Tether‐Directed Bisfunctionalization Reactions of C60 and C70
Authors:Maira R. Cerón  Dr. Marta Izquierdo  Yunhong Pi  Sandra L. Atehortúa  Prof. Dr. Luis Echegoyen
Affiliation:1. Department of Chemistry, University of Texas at El Paso, 500 W. University Ave., El Paso, TX 79968 (USA);2. Department of Chemistry, Shantou University, 243 Daxue Road, Shantou, Guangdong 515063 (P. R. China)
Abstract:Four easily isolable regio‐ and stereoselective bis‐adducts of C60 and C70, as well as a new C70‐dumbbell derivative, have been synthesized by using two different bismalonate tethered moieties. The derivatives that possess relatively long‐tethered moieties show highly symmetric addition patterns, as evidenced by spectroscopic measurements, whereas the derivatives possessing the shorter‐tethered moiety exhibit interesting addition patterns on C60 and C70.
Keywords:bis‐adducts  cycloaddition  fullerenes  regioselectivity  stereoselectivity
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