title: N,N'-(2,2'-Dithiodi-o-phenyl-ene)bis-(furan-2-carboxamide).
abstract: The reaction of 2,2'-dithio-bis(benzenamine) with furan-2-carbonyl chloride produced the bis-amide title compound, C(22)H(16)N(2)O(4)S(2), which, in the crystal, formed a helix; the structure consists of two planar furanoylbenzenamines related by an improper rotation of 96.3° about the S-S bond. The N-furanoylbenzenamine units are planar (maximum deviations = 0.316 and 0.132 Å). Each electron-deficient acyl-furan stacks (centroid-centroid separations of the two pairs of π-π stacked aromatic rings are 3.918 and 3.953 Å) with the electron-rich benzenamine of the other N-furan-oyl-benzenamine unit, leading to a spiral structure. The conformation is stabilized by two bifurcated intramolecular N-H⋯(O,S) interactions.
authors.forename: James
authors.initials: J
authors.lastname: Raftery
authors.forename: Hiteyeshi
authors.initials: H
authors.lastname: Lallbeeharry
authors.forename: Minu G
authors.initials: MG
authors.lastname: Bhowon
authors.forename: Sabina J
authors.initials: SJ
authors.lastname: Laulloo
authors.forename: John A
authors.initials: JA
authors.lastname: Joule