title: Rational control of a polyacetylene helix by a pendant rotaxane switch.
abstract: Polyacetylene bearing a pendant rotaxane moiety with an optically active wheel component was synthesized to realize reversible structural control of its helical structure by position control of the wheel component. Polyacetylene formed a one-handed helical structure only when the optically active wheel component moved close to the main chain.
authors.affiliation: Department of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 (H-126), O-okayama, Tokyo 152-8552, Japan.
authors.forename: Fumitaka
authors.initials: F
authors.lastname: Ishiwari
authors.forename: Kazuko
authors.initials: K
authors.lastname: Nakazono
authors.forename: Yasuhito
authors.initials: Y
authors.lastname: Koyama
authors.forename: Toshikazu
authors.initials: T
authors.lastname: Takata
mesh_terms: D002942:Circular Dichroism; D009682:Magnetic Resonance Spectroscopy; D053279:Polyynes / Q000737:chemistry*; D043862:Rotaxanes / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D043862:Rotaxanes; D053279:Polyynes