title: Anion-anion assembly: a new class of anionic supramolecular polymer containing 3,4-dichloro-2,5-diamido-substituted pyrrole anion dimers.
abstract: Two molecules containing two 2,5-diamido,3,4-dichloropyrrole units linked via 1,3- or 1,4-substituted benzene rings have been synthesized. The pyrrole groups in these compounds deprotonate in the presence of tetrabutylammonium fluoride and form pyrrole anion dimers via NH...N- hydrogen bonds. This dimerization process results in the formation of polyanionic chains linked via an unusual "orthogonal" hydrogen-bonding array.
authors.affiliation: Department of Chemistry, University of Southampton, Southampton, UK, SO17 1BJ. philip.gale@soton.ac.uk
authors.forename: Philip A
authors.initials: PA
authors.lastname: Gale
authors.forename: Korakot
authors.initials: K
authors.lastname: Navakhun
authors.forename: Salvatore
authors.initials: S
authors.lastname: Camiolo
authors.forename: Mark E
authors.initials: ME
authors.lastname: Light
authors.forename: Michael B
authors.initials: MB
authors.lastname: Hursthouse
mesh_terms: D000838:Anions / Q000737:chemistry; D018360:Crystallography, X-Ray; D006860:Hydrogen Bonding; D018716:Molecular Mimicry; D011108:Polymers / Q000737:chemistry*; D011758:Pyrroles / Q000737:chemistry*
chemical_list: D000838:Anions; D011108:Polymers; D011758:Pyrroles