title: N,N:N',N'-Bis(2,2'-dihydroxybiphenyl-3,3'-dimethylidene)benzene-1,2-diamine dimethyl sulfoxide tetrasolvate.
abstract: The title compound, 8,15,28,35-tetraazaheptacyclo[35.3.1.1(2,6).1(17,21).1(22,26).0(9,14).0(29,34)]tetraconta-1(41),2,4,6(42),7,9,11,13,15,17,19,21(43),22,24,26(44),27,29,31,33,35,37,39-docosaene-41,42,43,44-tetrol dimethyl sulfoxide tetrasolvate, C40H28N4O4.4C2H6OS, adopts a chair-shaped C(2h) symmetric conformation with crystallographically imposed inversion symmetry. Four intramolecular hydrogen bonds are observed between phenol O and imine N atoms.
authors.affiliation: Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany.
authors.forename: Patrick
authors.initials: P
authors.lastname: Plitt
authors.forename: Frank
authors.initials: F
authors.lastname: Rominger
authors.forename: Roland
authors.initials: R
authors.lastname: Krämer