Y. M. Yapo1*, R. Kakou Yao1, A. Timotou2, A. J. N’Gouan1, A. J. Tenon1

1Laboratoire de Cristallographie et Physique Moléculaire

2Laboratoire de Chimie Organique Structurale

UFR-SSMT, Université de Cocody-Abidjan ; 22 BP 582 Abidjan 22, Côte d’Ivoire

* Corresponding author. E-mail:

Received: 07 November 2007; revised version accepted: 17 December 2007



     (5-nitro-2-piperidino)benzylidene paratoluene sulfonylhydrazone, C19H22N4O4S, crystallizes in the monoclinic space group P21/n with four molecules per unit cell. The lattice parameters are a=7.749(3)?, b=27.244(7)?, c=9.456 (4)?, ß=91.542 (1)°. The crystal structure has been solved by direct methods and refined to a final R value of 0.0678 for 2868 observed reflections with I>2.5s(I). In the structure, the piperidine ring occurs in a chair conformation.


Keyworks: (5-nitro-2-piperidino)benzylidene paratoluene sulfonylhydrazone; Tricyclic indolinic derivates; Biological activity; Crystal structure, X-ray diffraction.

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