Crystal structure of ethyl 6-bromo-2-[(<i>E</i>)-2-phenylethenyl]quinoline-4-carboxylate

In the title compound, C18H13F2NO2, the two rings of the quinoline system are fused almost coaxially, with a dihedral angle between their planes of 2.28 (8)°. The plane of the attached benzene ring is inclined to the plane of the quinoline system by 7.65 (7)°. The carboxylate group attached to the quinoline system is in an antiperiplanar conformation. There is a short intramolecular C—H⋯O contact involving the carbonyl group. In the crystal, molecules are linked via C—H⋯O hydrogen bonds, forming chains lying in the (1-10) plane.

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Crystal structure of ethyl 2-(3,5-difluorophenyl)quinoline-4-carboxylate

Sunitha¹,

Naveen

Manjunath³

et al. 2015

Acta Cryst E

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Crystal structure of ethyl 2-(2,4,5-trimethoxyphenyl)quinoline-4-carboxylate

et al. 2015

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In the title compound, C21H21NO5, the dihedral angle between the quinoline ring system (r.m.s. deviation = 0.028 Å) and the trimethoxybenzene ring is 43.38 (5)°. The C atoms of the methoxy groups deviate from their attached benzene ring by −0.396 (2), −0.049 (2) and 0.192 (2) Å for the ortho-, meta- and para-substituents, respectively. The pendant ethyl chain is disordered over two orientations in a 0.527 (5):0.473 (5) ratio. A short intramolecular C—H⋯O contact closes an S(6) ring. In the crystal, inversion dimers linked by pairs of weak C—H⋯O interactions generate R 2 2(6) loops. The dimers are linked by further C—H⋯O interactions to generate [1-10] chains.

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Crystal structure of ethyl 6-bromo-2-[(E)-2-phenylethenyl]quinoline-4-carboxylate

Cited by 2 publications

References 4 publications

Crystal structure of ethyl 2-(3,5-difluorophenyl)quinoline-4-carboxylate

Crystal structure of ethyl 2-(3,5-difluorophenyl)quinoline-4-carboxylate

Crystal structure of ethyl 2-(2,4,5-trimethoxyphenyl)quinoline-4-carboxylate

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