title: Coiled molecules in spring loaded devices.
abstract: A cylindrical capsule containing a coiled alkane incorporates spacers. The alkane lengthens and gauche strain is relieved. The spacer can be removed to reset the system to the original state. The system represents a spring-loaded device that operates reversibly in response to acids and bases.
authors.affiliation: Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, California 92037, USA.
authors.forename: Dariush
authors.initials: D
authors.lastname: Ajami
authors.forename: Julius
authors.initials: J
authors.lastname: Rebek
mesh_terms: D000473:Alkanes / Q000737:chemistry*; D000480:Alkynes / Q000737:chemistry*; D004247:DNA / Q000737:chemistry; D004988:Ethers, Cyclic / Q000737:chemistry; D007093:Imidazoles / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D008958:Models, Molecular; D008968:Molecular Conformation; D012118:Resorcinols / Q000737:chemistry; D006574:Heterocyclic Compounds, 2-Ring; D048289:Imidazolidines
chemical_list: D000473:Alkanes; D000480:Alkynes; D004247:DNA; D004988:Ethers, Cyclic; D007093:Imidazoles; D012118:Resorcinols; C442939:cavitand; C024713:n-tetradecane; C092018:glycoluril; D006574:Heterocyclic Compounds, 2-Ring; D048289:Imidazolidines