title: Stimuli-responsive folding and unfolding of a polymer bearing multiple cerium(IV) bis(porphyrinate) joints: mechano-imitation of the action of a folding ruler.
abstract: A pivotal guest role: a new porphyrin polymer, poly(PorZn⋅DD) (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.
authors.affiliation: Department of Chemistry and Biochemistry, Kyushu University, Japan.
authors.forename: Masayuki
authors.initials: M
authors.lastname: Shibata
authors.forename: Satoshi
authors.initials: S
authors.lastname: Tanaka
authors.forename: Tomohiro
authors.initials: T
authors.lastname: Ikeda
authors.forename: Seiji
authors.initials: S
authors.lastname: Shinkai
authors.forename: Kenji
authors.initials: K
authors.lastname: Kaneko
authors.forename: Soichiro
authors.initials: S
authors.lastname: Ogi
authors.forename: Masayuki
authors.initials: M
authors.lastname: Takeuchi
mesh_terms: D002563:Cerium / Q000737:chemistry*; D008665:Metalloporphyrins / Q000138:chemical synthesis / Q000737:chemistry*; D008968:Molecular Conformation; D015394:Molecular Structure; D013237:Stereoisomerism; D015032:Zinc / Q000737:chemistry
chemical_list: D008665:Metalloporphyrins; D002563:Cerium; D015032:Zinc