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3,3'-(1,4-Phenyl-ene)bis-[2-(propyl-amino)-benzofuro[3,2-d]pyrimidin-4(3H)-one] ethanol disolvate.

ABSTRACT: The title compound, C(32)H(28)N(6)O(4)·2C(2)H(5)OH, consists of two 2-(propyl-amino)-benzofuro[3,2-d]pyrimidin-4(3H)-one units connected, via one of the pyrimidine N atoms, to a bridging benzene ring in the 1,4 positions. Two ethanol solvent mol-ecules are also present. The main mol-ecule lies on a center of symmetry located at the center of the benzene ring. The fused-ring system of the benzofuro[3,2-d]pyrimidine moiety is nearly planar (r.m.s. deviation = 0.016?Å) and forms a dihedral angle of 78.21?(7)° with the central benzene ring. The crystal structure features O-H?O and N-H?O inter-actions. The C atoms of the propyl-amino side chain in the main mol-ecule and the ethyl group in the solvent mol-ecule are disordered over two positions, with site-occupancy factors 0.34:0.66 and 0.42:0.58, respectively.

SUBMITTER: Li L

PROVIDER: S-EPMC3344434 | biostudies-other | 2012 May

REPOSITORIES: biostudies-other

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3,3'-[1,4-Phenyl-enebis(methyl-ene)]-bis-(1-propyl-benzimidazolium) dichloride dihydrate.

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Project description:The asymmetric unit of the title compound, C(22)H(16)N(6)O(6)S(2)·2C(2)H(6)OS, consists of one half-mol-ecule of the centrosymmetric thiourea derivative and one molecule of dimethyl sulfoxide (DMSO). The carbonyl group forms an intra-molecular hydrogen bond with the NH group, creating a six-membered (C-N-C-N-H?O) ring. Two other N-H?O hydro-gen bonds link one mol-ecule of the thio-urea to two mol-ecules of DMSO.

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Project description:In the mol-ecule of the title compound, C(28)H(30)N(4)O(8)S(2)·C(2)H(6)O, the benzene ring is oriented at dihedral angles of 38.50 (6) and 5.68 (5)° with respect to the trimethoxy-phenyl rings, while the two trimethoxy-phenyl rings are oriented at a dihedral angle of 44.18 (5)°. Intra-molecular N-H⋯O and N-H⋯S hydrogen bonds result in the formation of non-planar six-, seven- and eight-membered rings. The twisting modes of the two side arms are different [C-N-C-O and C-N-C-N torsion angles = 0.1 (3) and 11.8 (3)°, respectively, in one arm, and 4.6 (3) and -11.5 (3)° in the other]. In the crystal structure, inter-molecular N-H⋯O and O-H⋯O hydrogen bonds link the mol-ecules.

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Project description:The asymmetric unit of the title compound, C(20)H(28)N(4) (2+)·2Br(-), consists of half a 3,3'-di-n-propyl-1,1'-[p-phenyl-enenis(methyl-ene)]diimidazolium cation and a bromide anion. The cation is located on an inversion center and adopts an ?AAA? trans conformation. In the crystal, the cation is linked to the anions via weak C-H?Br hydrogen bonds.

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