title: 2,2'-Dimethyl-4,4'-(sulfonyldi-p-phenyl-ene)dibut-3-yn-2-ol dihydrate.
abstract: The asymmetric unit of the title compound, C(22)H(22)O(4)S·2H(2)O, contains one quarter of the organic mol-ecule and one half water mol-ecule, the site symmetries of the S atom and the water O atom being mm2 and m, respectively. The dihedral angle between the benzene rings is 76.27 (11)°. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into chains running parallel to the a axis.
authors.affiliation: College of Chemistry, Sichuan University, Chengdu 610064, People's Republic of China.
authors.forename: Shi-Xu
authors.initials: SX
authors.lastname: Yi
authors.forename: Jian
authors.initials: J
authors.lastname: Men
authors.forename: Yang
authors.initials: Y
authors.lastname: Wang
authors.forename: Yong
authors.initials: Y
authors.lastname: Xiao
authors.forename: Guo-Wei
authors.initials: GW
authors.lastname: Gao