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Moxifloxacinium chloride monohydrate.


ABSTRACT: The title compound {systematic name: 7-[(1S,6S)-8-aza-2-azonia-bicyclo-[4.3.0]non-8-yl]-1-cyclo-propyl-6-fluoro-8-meth-oxy-4-oxo-1,4-dihydro-quinoline-3-carb-oxy-lic acid chloride monohydrate}, C(21)H(25)FN(3)O(4) (+)·Cl(-)·H(2)O, crystallizes with two moxi-floxa-cinium cations, two chloride ions and two uncoordinated water mol-ecules in the unit cell. The crystal structure has a pseudo-inversion center except for the chloride ions. In both moxi-floxa-cinium cations, the quinoline rings are approximately planar, the maximum atomic deviations being 0.107?(3) and 0.118?(3)?Å. The piperidine rings adopt a chair conformation while the pyrrolidine rings display a half-chair conformation. In the crystal, the carboxyl groups, the protonated piperidyl groups, the uncoordinated water mol-ecule and chloride anions participate in O-H?O, O-H?Cl and N-H?Cl hydrogen bonding; weak inter-molecular C-H?O and C-H?Cl hydrogen bonding is also present in the crystal structure.

SUBMITTER: Qian JJ 

PROVIDER: S-EPMC3201314 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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Moxifloxacinium chloride monohydrate.

Qian Jing-Jing JJ   Gu Jian-Ming JM   Shen Jin J   Hu Xiu-Rong XR   Wu Su-Xiang SX  

Acta crystallographica. Section E, Structure reports online 20110930 Pt 10


The title compound {systematic name: 7-[(1S,6S)-8-aza-2-azonia-bicyclo-[4.3.0]non-8-yl]-1-cyclo-propyl-6-fluoro-8-meth-oxy-4-oxo-1,4-dihydro-quinoline-3-carb-oxy-lic acid chloride monohydrate}, C(21)H(25)FN(3)O(4) (+)·Cl(-)·H(2)O, crystallizes with two moxi-floxa-cinium cations, two chloride ions and two uncoordinated water mol-ecules in the unit cell. The crystal structure has a pseudo-inversion center except for the chloride ions. In both moxi-floxa-cinium cations, the quinoline rings are appr  ...[more]

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