329935-75-3Relevant academic research and scientific papers
Synthesis, characterization and antimicrobial evaluation of novel derivatives of isoniazid
Malhotra, Manav,Sharma, Sagun,Deep, Aakash
, p. 1237 - 1244 (2012)
In the present investigation, a series of new Mannich bases were prepared by the reaction of 2-ethoxybenzaldehyde with isoniazid to form acid hydrazone (3a). Further, C-Mannich bases of the above acid hydrazone were prepared by aminomethylation with formaldehyde and substituted secondary amines (3b-3k). The structures of newly synthesized compounds were evaluated by elemental analyses and spectral (IR, 1H NMR, 13C NMR) studies. All the synthesized compounds were evaluated for their antimicrobial activity. Amoxicillin was used as a standard drug for antibacterial activity while Nystatin was used as a standard drug for antifungal activity. Preliminary pharmacological evaluation revealed that the compound (3f, 3i, 3j, 3k) showed better performance against Bacillus subtilis, Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, Candida albicans and Candida gabrata. The result demonstrates the potential and importance of developing new mannich bases which would be effective against resistant bacterial and fungal strain. Springer Science+Business Media, LLC 2011.
Antimicrobial activities of synthetic arylidine nicotinic and isonicotinic hydrazones
Hayat, Muhammad,Khan, Khalid Mohammed,Saeed, Sumayya,Salar, Uzma,Khan, Momin,Baig, Taimoor,Ahmad, Aqeel,Parveen, Shahnaz,Taha, Muhammad
, p. 1057 - 1067 (2018/10/31)
Background: Despite availability of variety of antibacterial agents, re-emergance of pathogenic bacteria is still a serious medical concern. Identification of new, safer, and selective antibacterial agents is the key interest in the medicinal chemistry research. Methods: A library of synthetic arylidene nicotinic and isonicotinic hydrazones (1-63) were investigated for antimicrobial activities. Results: A number of derivatives showed significant to moderate antimicrobial activities against Gram positive and Gram negative bacterial cultures. Few compounds also showed antifungal activity against fungal cultures. Minimum Inhibitory Concentration (MIC) was calculated for the most active compounds 1, 7, 11, 19, 34, 46, 50, 51, and 55 against gram positive and gram negative cultures. Conclusion: Newly identified compounds may serve as lead for future research in order to get the more powerful antibacterial agents.
