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Synthesis and Characterization of a New Porphyrin-fullerene Dyad Containing a Beta-pyrrolic Linkage
Two new β-substituted arylethynyl meso-tetraphenylporphyrins, 2-[(4'-formyl)phenyl]ethynyl-5,10,15,20-tetraphenylporphyrin (System A) and 2-[(4'-methyl)phenyl]ethynyl-5,10,15,20tetraphenylporphyrin (System B) and their zinc derivatives were synthesized. Comparative UV/Visible and cyclic voltammetry studies of such macrocycles reveal the presence of an extensive conjugation between the tetrapyrrolic ring and the linker, through π−π orbitals interaction. This interaction was observed in form of adoi:10.1149/1.2408948 fatcat:v62wrtdervekpoeoxgrhaxqaim