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Masayuki Shibata, Satoshi Tanaka, Dr. Tomohiro Ikeda, Prof. Seiji Shinkai, Prof. Kenji Kaneko, Dr. Soichiro Ogi and Prof. Dr. Masayuki Takeuchi Stimuli-Responsive Folding and Unfolding of a Polymer Bearing Multiple Cerium(IV) Bis(porphyrinate) Joints: Mechano-imitation of the Action of a Folding Ruler Angewandte Chemie International Edition 52

Version of Record online: 14 NOV 2012 | DOI: 10.1002/anie.201205584

Thumbnail image of graphical abstract

A pivotal guest role: A new porphyrin polymer, poly(PorZn⋅DD) (see picture, pink/purple), composed of a porphyrinatozinc and a porphyrin double-decker complex as a repeating unit was synthesized. In poly(PorZn⋅DD), porphyrinatozinc complexes recognize a divalent amine (tan/red) to induce an intramolecular pivoting motion through the rotation of porphyrin double-decker complexes and the polymer undergoes shortening and compaction.

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