7-{4-[(1,3-Benzodioxol-5-yl)methyl]piperazin-1-yl}-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

In the title structure, C25H24FN3O5, a strong intramolecular O—H...O hydrogen bond is present between the carboxy group at the 3-position and the carbonyl group at the 4-position. In the crystal, molecules are held together by weak C—H...O, C—H...F and π–π [centroid–centroid distance 3.6080 (8) Å] interactions. The 1,4-dihydroquinoline ring and cyclopropyl group are not in the same plane, making an interplanar angle of 57.52 (8)°.

Abstract licence: CC BY

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