title: (4-Fluoro-phen-yl)[6-(2-fur-yl)-7-nitro-2,3,4,6,7,8-hexa-hydro-1H-pyrido[1,2-a]pyrimidin-9-yl]methanone.
abstract: In the title compound, C(19)H(18)FN(3)O(4), the fused pyridine and pyrimidine rings adopt half-chair conformations. The structure displays intra-molecular N-H⋯O and inter-molecular N-H⋯F hydrogen bonding.
authors.affiliation: Department of Chemistry, Bahauddin Zakariya University, Multan 60800, Pakistan.
authors.forename: Muhammad
authors.initials: M
authors.lastname: Yaqub
authors.forename: Zahid
authors.initials: Z
authors.lastname: Shafiq
authors.forename: Ashfaq M
authors.initials: AM
authors.lastname: Qureshi
authors.forename: Muhammad
authors.initials: M
authors.lastname: Najam-Ul-Haq