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Acta Crystallogr Sect E Struct Rep Online. 2013 May 18;69(Pt 6):o921-2. doi: 10.1107/S1600536813012671. Print 2013 Jun 1.


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Department of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska 64, 01033 Kyiv, Ukraine.


The title compound, C21H23NSi, was synthesized by Sonogashira-type reaction of 1-ethyl-3-iodo-2-phenyl-1H-indole with tri-methyl-silyl-acetyl-ene. The indole ring system is nearly planar [maximum atomic deviation = 0.0244 (15) Å] and is oriented at a dihedral angle of 51.48 (4)° with respect to the phenyl ring. The supramolecular aggregation is completed by weak C-H⋯π inter-actions of the methylene and phenyl groups with the benzene and pyrrole rings of the indole ring system. The methyl groups of the tri-methyl-silyl unit are equally disordered over two sets of sites.

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