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Title: Crystal structures of two new 3-(2-chloroethyl)- r(2),c(6)-diarylpiperidin-4-ones
Authors: K. Rajkumar
S. Sivakumar
Manpreet Kaur
Jerry P. Jasinski
A. Manimekalai
A. Thiruvalluvar
Keywords: Crystal structure
bifurcated bond
weak intermolecular hydrogen bonds.
Issue Date: 4-Mar-2018
Publisher: International Union of Crystallography
Citation: K. Rajkumar, S. Sivakumar, RAMALINGAM ARULRAJ, Manpreet Kaur, Jerry P. Jasinski, A. Manimekalai, A. Thiruvalluvar (2018-03-04). Crystal structures of two new 3-(2-chloroethyl)- r(2),c(6)-diarylpiperidin-4-ones. Acta Crystallographica Section E: Crystallographic Communication 74 (4) : 483–486. ScholarBank@NUS Repository.
Abstract: The syntheses and crystal structures of 3-(2-chloroethyl)-r-2,c-6-diphenylpiperidin-4-one, C19H20ClNO, (I), and 3-(2-chloroethyl)-r-2,c-6-bis(4-fluorophenyl)piperidin-4-one, C19H18ClF2NO, (II), are described. The piperidone ring adopts a chair conformation in (I), whereas a slightly distorted chair conformation is formed in (II). The dihedral angle between the mean plane of the phenyl rings is 59.1 (1)° in (I) and 76.1 (1)° in (II). The crystal packing features weak intermolecular N—H...O hydrogen bonds in each structure.
Source Title: Acta Crystallographica Section E: Crystallographic Communication
ISSN: 2056-9890
DOI: 10.1107/S2056989018003766
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