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Title of article :
Supramolecular array of imizazolylethynyl-zinc-porphyrin
Author/Authors :
Akiharu Satake، نويسنده , , Osami Shoji، نويسنده , , Yoshiaki Kobuke، نويسنده ,
Issue Information :
دوفصلنامه با شماره پیاپی سال 2007
Pages :
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Abstract :
Novel imidazolylethynyl-zinc-porphyrin 1a and its meso,meso-linked bisporphyrin 5M were synthesized effectively by the reaction of the corresponding bromoporphyrins and 2-imidazolylethyne in the presence of palladium-arsenic catalyst. The complementary coordination of monomer 1a into dimer 2a was observed by 1H NMR and UV–Vis spectroscopy. Self-association constant of 1a to 2a in CHCl3 (including 0.5% ethanol) was determined as 1.84 × 107 M−1 by UV–Vis titration of 2a with N-methylimidazole. UV–Vis absorption and fluorescence spectra of 1a, 2a, monomer 5M, and its polymer 5P were compared.
Keywords :
Supramolecular , Porphyrin
Journal title :
Journal of Organometallic Chemistry
Serial Year :
Link To Document :