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Letters in Drug Design & Discovery

Editor-in-Chief

ISSN (Print): 1570-1808
ISSN (Online): 1875-628X

Nicotinic Acid Benzylidene/Phenyl-Ethylidene Hydrazides: Synthesis, Antimicrobial Evaluation and QSAR Studies

Author(s): Rakesh Narang, Balasubramanian Narasimhan, Sunil Sharma, Dharmarajan Sriram, Perumal Yogeeswari, Erik De Clercq, Christophe Pannecouque and Jan Balzarini

Volume 8, Issue 8, 2011

Page: [733 - 749] Pages: 17

DOI: 10.2174/157018011796575999

Price: $65

Abstract

A series of nicotinic acid hydrazides (1-19) was synthesized and tested in vitro for antimycobacterial, antiviral, antibacterial and antifungal activities. The antimycobacterial activity results indicated that the presence of electron withdrawing halo groups improved the antimycobacterial activity. The antiviral evaluation showed that none of the synthesized derivatives inhibited the replication of viruses at subtoxic concentrations, except compounds 9 and 12. The antimicrobial screening results demonstrated that compounds having methoxy and 2-hydroxy naphthalene substituents were the most active ones against tested microbial strains. QSAR investigations revealed that multi-target QSAR models were found to be more effective in describing the antimicrobial activity than one-target QSAR models.

Keywords: Nicotinic acid hydrazones, Synthesis, Antimycobacterial, Antiviral, QSAR, Tuberculosis, Mycobacterium tuberculosis, Human immunodeficiency virus (HIV), Hydrazone derivatives, cytotoxicity, Antimycobacterial Activity, Bacillus subtilis, minimum inhibitory concentrations (MIC)


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