ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): Ram C. Senwar, Krishna K. Rathore, Anita Mehta

Email(s): ram.senwar09@gmail.com

DOI: 10.5958/0974-4150.2017.00022.0   

Address: Ram C. Senwar, Krishna K. Rathore, Anita Mehta
Department of Chemistry, M.L. Sukhadia University, Udaipur 313001, India
*Corresponding Author

Published In:   Volume - 10,      Issue - 2,     Year - 2017


ABSTRACT:
Isoniazid (1a) undergoes facile condensation with indole-3-carboxaldehyde in methanolic media and glacial acetic acid as a catalyst to afford the corresponding N-((1H-indol-3-yl)methylene) nicotinohydrazide (2a). Cyclocondensation of compounds (2a) with chloro acetyl chloride, triethyl amine and 1,4-dioxane yields N-(3-chloro-2-(1H-indol-3-yl)-4-oxoazetidin-1-yl)nicotinohydrazide (3a). Further the NH proton of indole in compounds (3a) is replaced with different benzo[b]thiophenes to yield the final compound N-(3-chloro-2-(1-(3-chlorobenzo[b]thiophene -2-carbonyl)-1H-indol-3-yl)-4-oxoazetidin-1-yl) nicotinohydrazide (4a-d). In an alternative reaction Nicotinic-hydrazide (1b) is used in place of Isoniazid and reacted with indole-3-carboxaldehyde to produce N-((1H-indol-3-yl)methylene) isonicotinohydrazide (2b). Compound (2b) on reaction with chloroacetylchloride, triethylamine and 1,4-dioxane synthesize N-(3-chloro-2-(1H-indol-3-yl)-4-oxoazetidin-1-yl)isonicotinohydrazide (3b). In the final stage of the reaction scheme the NH proton of compound (3b) is replaced with different benzo[b]thiophenes to yield the final compounds N-(3-chloro-2- (1-(3-chloro benzo[b]thiophene-2-carbonyl)-1H-indol-3-yl)-4-oxoazetidin-1-yl)isonicotinohydrazide (4e-h). The structures of these compounds were established on the basis of analytical and spectral data. The newly synthesized compounds were evaluated for their antibacterial and antifungal activities.


Cite this article:
Ram C. Senwar, Krishna K. Rathore, Anita Mehta. Synthesis and antimicrobial evaluation of Azetidinone derivatives of pyridine containing hydrazides. Asian J. Research Chem. 2017; 10(2):135-141. doi: 10.5958/0974-4150.2017.00022.0


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