Analytical Sciences: X-ray Structure Analysis Online
Online ISSN : 1348-2238
ISSN-L : 1348-2238
Part 8
Crystal Structure of 4,6-Dimethyl-2-[4-(2,3-dichlorophenyl)piperazin-1-ylmethyl]isothiazolo[5,4-b]pyridin-3(2H)-one
Zbigniew KARCZMARZYKWieslaw MALINKA
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JOURNAL FREE ACCESS

2007 Volume 23 Pages x151-x152

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Abstract

The title compound, C19H20N4OSCl2, crystallizes in the monoclinic system, space group P21/c, with cell constants a = 15.470(3)Å, b = 9.577(2)Å, c = 14.615(3)Å and Z = 4. The piperazine ring adopts a chair conformation. A weak conjugation effect of the lone pair of the tertiary N atom with the π-electron system of the phenyl ring is observed. The molecular packing is influenced by the C-H…O and C-H…N intermolecular hydrogen bonds.

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© 2007 by The Japan Society for Analytical Chemistry
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