title: Helical assembly through charged hydrogen bonds in aqueous solvent.
abstract: [reaction: see text] Helical capsule-like assembly of [1(2).2(3)] shows a strong Cotton effect from the chirality transfer of the tartaric acid unit to tris(imidazoline) base through charged hydrogen bonds in aqueous solvent.
authors.affiliation: School of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea.
authors.forename: Hae-Jo
authors.initials: HJ
authors.lastname: Kim
authors.forename: Shigeru
authors.initials: S
authors.lastname: Sakamoto
authors.forename: Kentaro
authors.initials: K
authors.lastname: Yamaguchi
authors.forename: Jong-In
authors.initials: JI
authors.lastname: Hong