title: 11-(2-Oxopyrrolidin-1-ylmeth-yl)-1,2,3,4,5,6,11,11a-octa-hydro-pyrido[2,1-b]quinazolin-6-one dihydrate.
abstract: In the crystal structure of the title compound, C(17)H(21)N(3)O(2)·2H(2)O, water mol-ecules are mutually O-H⋯O hydrogen bonded and form infinite chains propagating along the b axis. Neighboring chains are linked by the quinazoline mol-ecules by means of O-H⋯O=C hydrogen bonds, forming a two-dimensional network.
authors.affiliation: S.Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str. 77, Tashkent 100170, Uzbekistan.
authors.forename: Zarif U
authors.initials: ZU
authors.lastname: Samarov
authors.forename: Rasul Ya
authors.initials: RY
authors.lastname: Okmanov
authors.forename: Kambarali K
authors.initials: KK
authors.lastname: Turgunov
authors.forename: Bakhodir
authors.initials: B
authors.lastname: Tashkhodjaev
authors.forename: Khusnutdin M
authors.initials: KM
authors.lastname: Shakhidoyatov