title: Self-assembly of a bis-urea macrocycle into a columnar nanotube.
abstract: A bis-urea macrocycle 1 was synthesized and shown to form extended nanotubular columns by X-ray crystallography.
authors.affiliation: University of South Carolina, Department of Chemistry and Biochemistry, Columbia, SC 29208, USA. shimizul@mail.chem.sc.edu
authors.forename: L S
authors.initials: LS
authors.lastname: Shimizu
authors.forename: M D
authors.initials: MD
authors.lastname: Smith
authors.forename: A D
authors.initials: AD
authors.lastname: Hughes
authors.forename: K D
authors.initials: KD
authors.lastname: Shimizu