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Scopus CiteScore 2024

4.8

Calculated on 05 May, 2025

SJR 2024

0.31

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Journal of Multidisciplinary Applied Natural Science

ISSN (eletronic): 2774-3047


Vol. 5 Issue 3 (2025) Articles https://doi.org/10.47352/jmans.2774-3047.277

Synthesis, Characterization and Biological Activity of Some New Pyrimidine Derivatives

Mariam Abdul-Bary Batool Haddad Jenan Al Ameri

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Mariam Abdul-Bary

https://orcid.org/0000-0001-7551-5699

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Batool Haddad

https://orcid.org/0000-0002-8615-0215

Author information

Jenan Al Ameri

https://orcid.org/0009-0000-5351-3828

Published in: July 11, 2025

[1]
M. Abdul-Bary, B. Haddad, and J. Al Ameri, “Synthesis, Characterization and Biological Activity of Some New Pyrimidine Derivatives”, J. Multidiscip. Appl. Nat. Sci., vol. 5, no. 3, pp. 734–743, Jul. 2025.

Abstract

In this study, four derivatives of pyrimidine-2(1H)-thione were synthesized via the reaction between the compounds of α,β-unsaturated ketone and thiourea. The first step included a reaction between 1 mol of four different derivatives of primary amines and 1 mol of benzil. In the second step, the resulting compound was interacted with acetone to prepare α,β-unsaturated ketone.  In the third step, the resulting compound was then interacted with thiourea to form the following compounds: 5,6-dihydropyrimidin-2(1H)-thione. The IR, (1H and 13C) NMR and MS spectroscopies were used to confirm the structures of the prepared compounds and examine their antibacterial activities against (Staphylococcus aureus and Escherichia coli) by well diffusion method. It was found that the synthesized compounds have high activity against these two types of bacteria, especially compound P2 had the most inhibitory activity.

References

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