An analysis of C-H...O and C-H...pi interactions in three substituted 4-ketotetrahydroindoles
A R Choudhury1, K Nagarajan, T N Guru Row
1Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560 012, Karnataka, India.
Abstract:
The crystal and molecular structures of the three 4-ketotetrahydroindoles 2-(4-chlorophenyl)-1-(4-fluorophenyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one (C22H19ClFNO), (I), 1-(4-fluorophenyl)-2-(4-methoxyphenyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one (C23H22FNO2), (II), and 6,6-dimethyl-1,2-diphenyl-4,5,6,7-tetrahydro-1H-indol-4-one (C22H21NO), (III), have been determined via single-crystal X-ray diffraction in order to study the intermolecular interactions therein. All three structures are stabilized via intermolecular C-H...O and C-H...pi interactions, generating different molecular motifs.
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