title: Chemical signals turn on guest binding through structural reconfiguration of triangular helicates.
abstract: Be my guest: The function of a system based on self-assembled Zn(II) complexes can be controlled by external chemical stimuli. The complexes are based on a C3 -symmetric ligand that forms a unique triangular triple helicate structure 1. Upon subcomponent substitution, 1 is able to transform into a triangular double helicate 2 which, unlike 1, can encapsulate guests.
authors.affiliation: University of Cambridge, Department of Chemistry, Lensfield Road, Cambridge, CB2 1EW (UK) http://www-jrn.ch.cam.ac.uk; University of Copenhagen, Department of Chemistry, Universitetsparken 5, 2100 Copenhagen Ø (Denmark).
authors.forename: Anne
authors.initials: A
authors.lastname: Sørensen
authors.forename: Ana M
authors.initials: AM
authors.lastname: Castilla
authors.forename: Tanya K
authors.initials: TK
authors.lastname: Ronson
authors.forename: Michael
authors.initials: M
authors.lastname: Pittelkow
authors.forename: Jonathan R
authors.initials: JR
authors.lastname: Nitschke
mesh_terms: D008958:Models, Molecular; D008968:Molecular Conformation; D015394:Molecular Structure; D013237:Stereoisomerism; D015032:Zinc / Q000737:chemistry*
chemical_list: D015032:Zinc
keywords: host-guest systems; metal-organic complexes; self-assembly; systems chemistry; zinc