Crystal structure of 2-benzylamino-4-(4-bromo-phenyl)-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile

R. A. Nagalakshmi, J. Suresh, S. Maharani, R. Ranjith Kumar, P. L. Nilantha Lakshman*, W. T A Harrison (Editor)

*Corresponding author for this work

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In the title compound C22H18BrN3, the cyclopentane ring adopts an envelope conformation with the central methylene C atom as the flap. The dihedral angles between the central pyridine ring and the pendant benzyl and and bromo-benzene rings are 82.65 (1) and 47.23 (1)°, respectively. In the crystal, inversion dimers linked by pairs of N - H⋯Nn (n = nitrile) hydrogen bonds generate R22(12) loops. These dimers are linked by weak π-π interactions [centroid-centroid distance = 3.7713 (14) Å] into a layered structure.

Original languageEnglish
Pages (from-to)296-298
Number of pages3
JournalActa Crystallographica Section E: Structure Reports Online
Issue number3
Early online date21 Feb 2015
Publication statusPublished - 1 Mar 2015


  • Crystal structure
  • Cyclopentane ring
  • Envelope conformation
  • N - H⋯N hydrogen bonding
  • π-π interactions


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