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E-Journal of Chemistry
Volume 3, Issue 1, Pages 28-34

Synthetic studies of Alkoxy isoindole-1,3-diones tetra-azabenzo[f]azulenes and their Antibacterial activity

M. Ahmed, R. Sharma, D. P. Nagda, V. K. Salvi, and G. L. Talesara

Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, M. L. Sukhadia University, Udaipur (Raj)-313 001, India

Received 2 October 2005; Accepted 23 January 2006

Copyright © 2006 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


3-Methylpyrazol-5-one 3 reacts with substituted benzaldehydes 4a-d in the presence of anhydrous sodium acetate to produce the corresponding 4-arylidene-5-methyl-2,4-dihydro-pyrazol-3-ones 5a-d and the condensation of 5a-d with 2-bromoalkoxy-1H-isoindole-1, 3-(2H)-diones 2a-c furnished corresponding 2-[2-(4-arylidene-3-methyl-5-oxo-4,5-dihydro-pyrazol-1-yl)alkoxy]-isoindole-1,3-diones 6a-l, which on cyclisation with o-phenylendiamine give titled compounds 7a-l. All the synthesized compounds have been characterized by elemental analysis and spectral data and screened for their antibacterial properties against various bacterial strains in order to obtain chemotherapeutic properties.