Cyclic dimer of a fused porphyrin zinc complex as a novel host with two pi-electronically coupled binding sites |
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| Authors: | Sato Hiroshi Tashiro Kentaro Shinmori Hideyuki Osuka Atsuhiro Aida Takuzo |
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| Institution: | Department of Chemistry and Biotechnology, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan. |
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| Abstract: | Upon complexation with 4,4prime or minute]-bipyridine, a cyclic dimer of a fused porphyrin zinc complex, having two pi-electronically coupled binding sites, shows a strong negative cooperativity in the second guest binding, to allow stepwise formation of 1 : 1 and 1 : 2 inclusion complexes. |
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