title: Two isomorphous benzenesulfonamide crystal structures determined by intermolecular C-H...O, C-H...pi and C-H...Cl interactions.
abstract: The title compounds, N-[5-(4-chlorophenyl)furan-2-ylmethyl]-4-methyl-N-(prop-2-ynyl)benzenesulfonamide, (Ia), and N-[5-(2-chlorophenyl)furan-2-ylmethyl]-4-methyl-N-(prop-2-ynyl)benzenesulfonamide, (Ib), both C(21)H(18)ClNO(3)S, have isomorphous crystal structures. The crystal packing is mainly determined by intermolecular C-H...O and C-H...pi interactions. These interactions are very similar in (Ia) and (Ib). Additional intermolecular C-H...Cl interactions appear less important and are different in (Ia) and (Ib). The different positions of the Cl atoms result in small variations of the crystal packing of the two compounds.
authors.affiliation: Institut für Organische Chemie, Universität Frankfurt, Marie-Curie-Strasse 11, D-60439 Frankfurt am Main, Germany. bats@chemie.uni-frankfurt.de
authors.forename: J W
authors.initials: JW
authors.lastname: Bats
authors.forename: T M
authors.initials: TM
authors.lastname: Frost
authors.forename: A S
authors.initials: AS
authors.lastname: Hashmi