Convenient synthesis, antibacterial activity, and crystal structure of some biologically important hydrazinecarbonyl benzenesulfonamides

Convenient synthesis, antibacterial activity, and crystal structure of some biologically... Microwave-assisted synthesis of a series of hydrazinecarbonyl benzenesulfonamides (5a–r) is reported, and the products have been characterized by nuclear magnetic resonance and Fourier-transform infrared spectral techniques. A comparison with the conventional method for their preparation has also been done. The crystal and molecular structures of compounds 2-(hydrazinecarbonyl)benzenesulfonamide 3, 2-({(2E)-2-[(3,4-dimethoxy)benzylidene]hydrazine}carbonyl)benzenesulfonamide 5e, 2-({(2E)-2-[(2,4-dimethoxy)benzylidene]hydrazine}carbonyl)benzenesulfonamide 5f, and 2-({(2E)-2-[(4-hydroxy)benzylidene]hydrazine}carbonyl)benzenesulfonamide 5k have also been established by single-crystal X-ray diffraction. Antibacterial activity of prepared compounds (5a–r) is reported against Staphylococcus aureus, Bacillus firmus, and Escherichia coli. The preeminent antibacterial activity was shown by 2-({(2E)-2-[(2-hydroxy)benzylidene]hydrazine}carbonyl)benzenesulfonamide 5j against all three tested bacterial organisms. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Convenient synthesis, antibacterial activity, and crystal structure of some biologically important hydrazinecarbonyl benzenesulfonamides

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1502-8
Publisher site
See Article on Publisher Site

Abstract

Microwave-assisted synthesis of a series of hydrazinecarbonyl benzenesulfonamides (5a–r) is reported, and the products have been characterized by nuclear magnetic resonance and Fourier-transform infrared spectral techniques. A comparison with the conventional method for their preparation has also been done. The crystal and molecular structures of compounds 2-(hydrazinecarbonyl)benzenesulfonamide 3, 2-({(2E)-2-[(3,4-dimethoxy)benzylidene]hydrazine}carbonyl)benzenesulfonamide 5e, 2-({(2E)-2-[(2,4-dimethoxy)benzylidene]hydrazine}carbonyl)benzenesulfonamide 5f, and 2-({(2E)-2-[(4-hydroxy)benzylidene]hydrazine}carbonyl)benzenesulfonamide 5k have also been established by single-crystal X-ray diffraction. Antibacterial activity of prepared compounds (5a–r) is reported against Staphylococcus aureus, Bacillus firmus, and Escherichia coli. The preeminent antibacterial activity was shown by 2-({(2E)-2-[(2-hydroxy)benzylidene]hydrazine}carbonyl)benzenesulfonamide 5j against all three tested bacterial organisms.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Dec 18, 2013

References

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