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Poly[bis-[?-1-cyclo-propyl-6-fluoro-4-oxido-7-(1-piperazin-yl)-1,4-dihydro-quinoline-3-carboxyl-ato]nickel(II)].

ABSTRACT: In the title compound, [Ni(C(17)H(17)FN(3)O(3))(2)](n), the Ni(II) atom exists in a distorted trans-NiN(2)O(4) octa-hedral geometry defined by two monodentate N-bonded and two bidentate O,O-bonded 1-cyclo-propyl-6-fluoro-4-oxido-7-(1-piperazin-yl)-1,4-dihydro-quinoline-3-carboxyl-ate (ciprofloxacinium) monoanions. The extended two-dimensional structure is a square grid. The Ni atom lies on a center of inversion.

SUBMITTER: An Z

PROVIDER: S-EPMC2915111 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature

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Poly[bis-[μ-1-cyclo-propyl-6-fluoro-4-oxido-7-(1-piperazin-yl)-1,4-dihydro-quinoline-3-carboxyl-ato]nickel(II)].

An Zhe Z Liu Lan-Ru LR Liu Ya-Qin YQ

Acta crystallographica. Section E, Structure reports online 20071212 Pt 1

In the title compound, [Ni(C(17)H(17)FN(3)O(3))(2)](n), the Ni(II) atom exists in a distorted trans-NiN(2)O(4) octa-hedral geometry defined by two monodentate N-bonded and two bidentate O,O-bonded 1-cyclo-propyl-6-fluoro-4-oxido-7-(1-piperazin-yl)-1,4-dihydro-quinoline-3-carboxyl-ate (ciprofloxacinium) monoanions. The extended two-dimensional structure is a square grid. The Ni atom lies on a center of inversion. ...[more]

PMID: 21200524

Similar Datasets

Bis(2-carboxybenzo-ato-?O)bis-[1-cyclo-propyl-6-fluoro-4-oxo-7-(piperazin-4-ium-1-yl)-1,4-dihydro-quinoline-3-carboxyl-ato-?O,O]manganese(II) dihydrate.

Project description:The title compound, [Mn(C(17)H(18)FN(3)O(3))(2)(C(8)H(5)O(4))(2)]·2H(2)O or [Mn(cfH)(2)(1,2-Hbdc)(2)]·2H(2)O (cfH = ciprofloxacin = 1-cyclo-propyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazin-yl)-3-quinoline carb-oxy-lic acid, 1,2-bdc = benzene-1,2-dicarboxyl-ate), has been prepared under hydro-thermal conditions. The Mn(2+) atom, located on an inversion centre, exhibits a distorted octa-hedral geometry, coordinated by four O atoms from two symmetry-related zwitterionic ciprofloxacin ligands in the equatorial positions and two O atoms of two 1,2-Hbdc ligands in the axial positions. The complex mol-ecules are linked into a two-dimensional network through N-H?O and OW-H?O hydrogen bonds. A strong intramolecular hydrogen bond between the carboxyl/carboxylate groups of the 1,2-Hbdc anion is also present. The layers are further extended through off-set aromatic ?-? stacking inter-actions of cfH groups [centroid-centroid distance of 3.657?(2)?Å] into the final three-dimensional supra-molecular arrays.

| S-EPMC3089319 | biostudies-literature

catena-Poly[[[(1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydro-quinoline-3-carboxyl-ato-?O,O)copper(II)]-?-1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydro-quinoline-3-carboxyl-ato-?N:O,O] tetra-hydrate].

Project description:In the title compound, {[Cu(C(16)H(17)FN(3)O(3))(2)]·4H(2)O}(n), the Cu(II) atom is bonded to two O,O'-bidentate 1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydro-quinoline-3-carboxyl-ate (norf) monoanions and a symmetry-generated N-bonded norf anion, resulting in a distorted square-pyramidal coordination environ-ment with the N atom occupying the apical site. The bridging norf anion results in one-dimensional chains propogating along [010]. A network of O-H?O and N-H?O hydrogen bonds helps to establish the crystal structure.

| S-EPMC2960715 | biostudies-literature

Ethyl 7-chloro-1-cyclo-propyl-6-fluoro-8-nitro-4-oxo-1,4-dihydro-quinoline-3-carboxyl-ate.

Project description:In the title compound, C(15)H(12)ClFN(2)O(5), mol-ecules are packed in the crystal lattice in a parallel fashion sustained by various C-H⋯O [C⋯O = 3.065 (5)-3.537 (5) Å] and C-H⋯Cl [3.431 (5)-3.735 (4) Å] inter-actions.

| S-EPMC3414979 | biostudies-literature

1-Cyclo-propyl-6-fluoro-7-(4-nitro-so-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid.

Project description:The title compound, C(17)H(17)FN(4)O(4), is a derivative of ciprofloxacin [1-cyclo-propyl-6-fluoro-4-oxo-7-(1-piperazin-yl)-1,4-dihydro-quinoline-3-carboxylic acid]. The crystal packing is stabilized by inter-molecular C-H?O hydrogen bonds together with ?-? electron ring inter-actions [centroid-centroid separations between quinoline rings of 3.5864?(11) and 3.9339?(13)?Å]. A strong intra-molecular O-H?O hydrogen bonds is present as well as an intra-molecular C-H?F inter-action.

| S-EPMC2977261 | biostudies-literature

Ethyl 7-amino-1-cyclo-propyl-6-fluoro-8-meth-oxy-4-oxo-1,4-dihydro-quinoline-3-carboxyl-ate monohydrate.

Project description:In the title compound, C(16)H(17)FN(2)O(4)·H(2)O, the dihedral angle between the heterocyclic ring and the benzene ring is 5.77?(9)°, that between the heterocycle and the ethoxy-carbonyl plane is 15.5?(1)°, and that between the heterocyclic ring and the cyclopropane ring is 67.75?(13)°. In the crystal structure, mol-ecules are linked into a ribbon-like structure along the c axis by N-H?O and O-H?O hydrogen bonds.

| S-EPMC2960450 | biostudies-literature

Bis[1-cyclo-propyl-6-fluoro-4-oxo-7-(1-piperazin-4-ium-1-yl)-1,4-dihydro-quinoline-3-carboxyl-ate-?O,O]bis-(nitrato-?O)copper(II).

Project description:In the title complex, [Cu(NO(3))(2)(C(17)H(18)FN(3)O(3))(2)], the Cu(II) ion is located on an inversion center. It exhibits a distorted octa-hedral geometry, being coordinated by six O atoms, four from two ciprofloxacin ligand mol-ecules (L), which act as bidentate ligands, and two from two nitrate anions. In the ligand, the piperazine ring has a chair conformation and the quinoline system is essentially planar [maximum deviation = 0.097?(2)?Å]. One of the nitrate O atoms is disordered over two positions [occupancy ratio = 0.51?(6):0.49?(6)]. There is a C-H?F inter-action in the complex. In the crystal, mol-ecules are linked via N-H?O hydrogen bonds generating a two-dimensional network lying parallel to (111). The presence of C-H?O inter-actions leads to the formation of a three-dimensional structure. The title complex was prepared by hydro-thermal synthesis, and the hexa-hydrate form of this complex, synthesized by conventional methods, has been reported previously [Hernandez-Gil et al. (2009 ?). Polyhedron, 28, 138-144].

| S-EPMC3297282 | biostudies-literature

Aqua-bis[1-ethyl-6-fluoro-7-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxyl-ato]zinc(II) dihydrate.

Project description:The title compound, [Zn(C(17)H(19)FN(3)O(3))(2)(H(2)O)]·2H(2)O or [Zn(pef)(2)(H(2)O)]·2H(2)O, where pef is 1-ethyl-6-fluoro-7-(4-methyl-piperazin-4-yl)-4-oxo-1,4-dihydro-quinoline-3-carb-oxyl-ate, was synthesized under hydro-thermal conditions. The Zn(II) atom exhibits a distorted ZnO(5) square-pyramidal geometry defined by two bidentate O,O-bonded pef anions in the basal plane and one water mol-ecule in the apical position. A network of O-H?O and O-H?N hydrogen bonds is formed between the Zn(II) complexes and the uncoordinated water mol-ecules.

| S-EPMC2960459 | biostudies-literature

Bis[1-ethyl-6-fluoro-7-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxyl-ato-?O,O]-copper(II).

Project description:In the title compound, [Cu(C(17)H(19)FN(3)O(3))(2)], the Cu(II) atom (site symmetry ) exhibits a slightly distorted CuO(4) square-planar geometry defined by two bidentate O,O'-bonded 1-ethyl-6-fluoro-7-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxyl-ate (perfloxacinate) anions.

| S-EPMC2968697 | biostudies-literature

Ethyl 8-chloro-1-cyclo-propyl-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxyl-ate.

Project description:In the mol-ecule of the title compound, C(15)H(12)ClF(2)NO(3), the quinoline ring system is not planar, the dihedral angle between the pyridine and benzene rings being 3.55?(8)°. In the crystal, inter-molecular C-H?O hydrogen bonds link the mol-ecules into layers parallel to (101).

| S-EPMC3247378 | biostudies-literature

Poly[[[(1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydro-quinoline-3-carboxyl-ato)manganese(II)]-μ(3)-4,4'-oxydibenzoato] monohydrate].

Project description:In the title compound, {[Mn(C(16)H(18)N(3)O(3))(C(14)H(8)O(5))]·H(2)O}(n), the unique Mn(II) ion is coordinated by two O atoms from a chelating 1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydro-quinoline-3-carboxyl-ate ligand and three O atoms from three 4,4'-oxydibenzoate ligands, forming a distorted square-pyramidal coordination environment. In the crystal structure, centrosymmetric dinuclear manganese units are linked via 4,4'-oxydibenzoate ligands into one-dimensional chains; these chains are, in turn, connected via inter-molecular N-H⋯O and O-H⋯O hydrogen bonds to form a two-dimensional supra-molecular network. The O atom of the solvent water mol-ecule is disordered over two sites with equal occupancies; the attached H atoms are common to both sites.

| S-EPMC2914913 | biostudies-literature

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