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INTERNATIONAL JOURNAL OF PHARMACEUTICAL RESEARCH

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Published by : Advanced Scientific Research
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0975-2366
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IJPR 9[3] July - September 2017 Special Issue

July - September 9[3] 2017

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Synthesis and Biological Activity of New Imidazaldinone Derivatives

Author: NEBRAS JAMEL, KAWTHER ABDU AL-HAMMED, JUMBAD H. TOMMA
Abstract: A research include of synthesized five member ring, which has been synthesized by condensation of 2-(1-(4-hydroxyphenyl) ethylidene)hydrazine-1-carbothioamide[I] with a-chloro ethylacetate in sodium acetate (fused) to form ethyl 2-(4-(1-((4-oxo-2-thioxopyrrolidin-3-ylidene)hydrazono) ethyl)phenoxy)acetate [II]. After that reacted [II]with hydrazine hydrate to resulting compound [III]. Compound [III] was refluxed with 4-aminobenzoicacid in excess of phosphorus oxy chloride give compound [IV],the later compound [IV] interact with acetyl acetone or ethylacetoacetate give to pyrazole and pyrazoline derivatives[V],[VI]. While when reacted with different aromatic aldehydes and one ketone consistence Schiff base derivatives [VII]a-e . The FTIR and 1HNMR were used for characterized the synthesized compounds, the synthesized derivatives have been screened for their two species of bacteria were used in this study as tested organisms. These are Escherichia Coli (Gram negative) and staphylococcus (Gram positive).
Keyword: thiosemicarbazones, hydrazides, Imidazaldinones, pyrazoles, pyrazolines, Schiff bases, antibacterial activity.
DOI: https://doi.org/10.31838/ijpr/2020.12.03.064
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