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Dr. Takashi Hirose, Dr. Floris Helmich and Prof. Dr. E. W. Meijer Photocontrol over Cooperative Porphyrin Self-Assembly with Phenylazopyridine Ligands Angewandte Chemie International Edition 52

Article first published online: 23 SEP 2012 | DOI: 10.1002/anie.201205085

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The cooperative self-assembly of chiral zinc porphyrins is regulated by a photoresponsive phenylazopyridine ligand (1; see picture). Porphyrin stacks depolymerize into dimers upon axial ligation and the strength of the coordination is regulated by its photoinduced isomerization, which shows more than 95 % conversion ratio for both photostationary states.

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