alexa Substituted Pyrazolo[3,4-B]Pyridin-3-Ones and Pyrazolo[3,4-B]Pyridine-5- Carbaldehyde, New One-Pot Synthesis Strategy Amelioration Using Vinamidinium Salts, Antibacterial and Antifungal Activities Promising Environmental Protection | Abstract
ISSN: 2155-9597

Journal of Bacteriology & Parasitology
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Research Article

Substituted Pyrazolo[3,4-B]Pyridin-3-Ones and Pyrazolo[3,4-B]Pyridine-5- Carbaldehyde, New One-Pot Synthesis Strategy Amelioration Using Vinamidinium Salts, Antibacterial and Antifungal Activities Promising Environmental Protection

Chtiba Samar1,2*, Amri Ismail3,4, Tazarki Helmi1,4, Jameleddine Khiari1 and Jamoussi Bassem1

1Laboratoire de Chimie Organique et Analytique, Institut Supérieur de l’Education et de la Formation Continue, Bardo, Tunisia

2Faculté des Sciences de Tunis, Campus Universitaire, 2092, Tunis, Tunisia

3Department of Biology, Faculty of Science of Bizerte, University of Carthage, Zarzouna, 7021 Bizerte, Tunisia

4Laboratoire d’écologie forestière, Institut national de recherches en génie rural, Eaux et Forêts. PB 10, 2080 Ariana, Tunisia

*Corresponding Author:
Chtiba Samar
Laboratoire de Chimie Organique et Analytique
Institut Supérieur de l’Education et de la Formation Continue, Bardo, Tunisia
E-mail: [email protected]

Received date: May 05, 2017; Accepted date: June 12, 2017; Published date: June 16, 2017

Citation: Samar C, Helmi T, Ismail A, Khiari J, Bassem J (2017) Substituted Pyrazolo[3,4-B]Pyridin-3-Ones and Pyrazolo[3,4-B]Pyridine-5-Carbaldehyde, New One-Pot Synthesis Strategy Amelioration Using Vinamidinium Salts, Antibacterial and Antifungal Activities Promising Environmental Protection. J Bacteriol Parasitol 8:310. doi: 10.4172/2155-9597.1000310

Copyright: © 2017 Samar C, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

This review summarizes the current knowledge about the syntheses and biological behavior of some pyrazolo[5,4-b]pyridines. So, an expedient method for the synthesis of 2-phenyl-5-aryl-1,6-dihydropyrazolo[3,4- b]pyridin-3-ones and 2-phenyl-3-oxo-1,6-dihydropyrazolo[3,4-b]pyridine-5-carbaldehyde in a single-step via condensation of vinamidinium salts with 3-amino-1-phenyl-2-pyrazolin-5-one is described according to our recent study with synthesis strategy amelioration. Five derivatives (PYR1-5) were prepared and characterized by spectral data (NMR and MS spectral studies). All the derivatives were studied for their antimicrobial activities. So, we screened for antibacterial effects at 1:2, and 1:4 dilutions by the paper disc diffusion method against respectively Bacteria (Escherichia coli CIP 53126 and Bacillus subtilis CIP 5262) and Fungi (Candida albicans ATCC 10231). Then, we screened for Fungi (Aspergillus niger ATCC 16404) by the dilution method (agar and liquid broth). The agar diffusion method (paper disc and well) and the dilution method (agar and liquid broth) are described.

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