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Synthesis and single-crystal X-ray characterization of 4,4"-functionalized 4'-(4-bromophenyl)-2,2':6',2"-terpyridines
Authors:Eryazici Ibrahim  Moorefield Charles N  Durmus Semih  Newkome George R
Institution:Departments of Polymer Science and Chemistry, and Maurice Morton Institute of Polymer Science, The University of Akron, Akron, OH 44325-4717, USA.
Abstract:To expand the utility of bis(terpyridine) metal connectivity, the selective symmetrical and unsymmetrical 4,4"-functionalization (-CN, -Me, -CO2Me) of 4'-(4-bromophenyl)-2,2':6',2"-terpyridines was achieved using the Kr?hnke synthesis. The final substituted 2,2':6',2"-terpyridines along with their corresponding intermediates, 4a-c, were recrystallized and characterized by 1H NMR and 13C NMR as well as X-ray crystallography; COSY correlations were also conducted to permit definitive proton assignment.
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