Abstract
The synthesis of a porphyrin dimer with a 2,6-diacylpyridyl group as a recognition site was accomplished by the coupling of 2,6-diaminopyridine and two porphyrins with a 4’-ethoxycarbonylbiphenyl substitutent at a meso -position of the porphyrin ring. By comparing the absorption spectrum of the obtained porphyrin dimer in CH2Cl2 with that of the corresponding porphyrin monomer, no remarkable interaction between two zinc porphyrin units was indicated. 1H NMR studies revealed that hydrogen bonding interactions of the 2,6-diacylpyridyl group in the porphyrin dimer serve to form a novel supramolecular assembly in the presence of naphthalenediimide compound.
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