Crystal structure of dimethyl 3,3′-[(4-fluorophenyl)methylene]bis(1H-indole-2-carboxylate)
In the title compound, C27H21FN2O4, the mean planes of the indole ring systems (r.m.s. deviations = 0.0263 and 0.0160 Å) are approximately perpendicular to one another, making a dihedral angle of 84.0 (5)°; the fluorobenzene ring is twisted with respect to the mean planes of the two indole ring systems at 89.5 (5) and 84.6 (3)°. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into inversion dimers, which are further linked by N—H...O hydrogen bonds into supramolecular chains propagated along the b-axis direction. Weak C—H...π interactions are observed between neighbouring chains.
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Document Type: Research Article
Affiliations: Chemical Engineering Department, Nanjing Polytechnic Institute, Nanjing 210048, People's Republic of China
Publication date: January 1, 2015