Synthesis, Characterization, Antimicrobial Activity And Acute Toxicity Test of A novel 4̄,4̄̄ - (4, 5, 6, 7-Tetrahydro- [1, 2, 3 -] Selenad Iazolo [4, 5 e] Pyridine-4, 6-Diyl) BIS(Benzene-1, 3-Diol)
Neamah, N., Khudair, A., Al-Jadaan, S. (2020). Synthesis, Characterization, Antimicrobial Activity And Acute Toxicity Test of A novel 4̄,4̄̄ - (4, 5, 6, 7-Tetrahydro- [1, 2, 3 -] Selenad Iazolo [4, 5 e] Pyridine-4, 6-Diyl) BIS(Benzene-1, 3-Diol). EKB Journal Management System, 63(2), 669-681. doi: 10.21608/ejchem.2019.11702.1753
Nadheerah Falih Neamah; Abdul-Razzak Naaeem Khudair; Shaker.A.N. Al-Jadaan. "Synthesis, Characterization, Antimicrobial Activity And Acute Toxicity Test of A novel 4̄,4̄̄ - (4, 5, 6, 7-Tetrahydro- [1, 2, 3 -] Selenad Iazolo [4, 5 e] Pyridine-4, 6-Diyl) BIS(Benzene-1, 3-Diol)". EKB Journal Management System, 63, 2, 2020, 669-681. doi: 10.21608/ejchem.2019.11702.1753
Neamah, N., Khudair, A., Al-Jadaan, S. (2020). 'Synthesis, Characterization, Antimicrobial Activity And Acute Toxicity Test of A novel 4̄,4̄̄ - (4, 5, 6, 7-Tetrahydro- [1, 2, 3 -] Selenad Iazolo [4, 5 e] Pyridine-4, 6-Diyl) BIS(Benzene-1, 3-Diol)', EKB Journal Management System, 63(2), pp. 669-681. doi: 10.21608/ejchem.2019.11702.1753
Neamah, N., Khudair, A., Al-Jadaan, S. Synthesis, Characterization, Antimicrobial Activity And Acute Toxicity Test of A novel 4̄,4̄̄ - (4, 5, 6, 7-Tetrahydro- [1, 2, 3 -] Selenad Iazolo [4, 5 e] Pyridine-4, 6-Diyl) BIS(Benzene-1, 3-Diol). EKB Journal Management System, 2020; 63(2): 669-681. doi: 10.21608/ejchem.2019.11702.1753

Synthesis, Characterization, Antimicrobial Activity And Acute Toxicity Test of A novel 4̄,4̄̄ - (4, 5, 6, 7-Tetrahydro- [1, 2, 3 -] Selenad Iazolo [4, 5 e] Pyridine-4, 6-Diyl) BIS(Benzene-1, 3-Diol)

Egyptian Journal of Chemistry
Article 26, Volume 63, Issue 2, February 2020, Page 669-681  XML PDF (1.28 MB)
Document Type: Original Article
DOI: 10.21608/ejchem.2019.11702.1753
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Authors
Nadheerah Falih Neamah email orcid 1; Abdul-Razzak Naaeem Khudair2; Shaker.A.N. Al-Jadaan3
1Pharmacology and Toxicology/College of Pharmacy/Basrah University
2Department of Physiology, Pharmacology and Biochemistry/College of Veterinary Medicine/University of Basrah
3Department of Pharmaceutical Chemistry/Pharmacy College/University of Basrah
Abstract
Novel selena-diazole compound (T) i.e. 4̄, 4̄̄ - (4 ,5 ,6 ,7- Tetrahydro- [1,2,3-] selenadiazolo [4, 5e] pyridine - 4, 6 - diyl) bis (benzene-1,3-diol) was prepared by reacting 2,4-hydroxy benzaldehyde with acetone in the presence of ammonium acetate through condensation reaction to form 2,6-bis(2,4-dihydroxyphenyl)piperidin-4-one, which on reaction with hydrazinecarboxamide in absolute ethanol in acidic medium gave 2-(2,6-bis(2,4-dihydroxyphenyl)piperidin-4-ylidene) hydrazine-1-carboxamide which converted to T by reaction with selenium dioxide in excellent yield. T was characterized by elemental analysis and spectroscopic data which confirmed the proposed structure.
The median lethal dose (LD50) of T compound was assayed to determine the median toxic dose also the lowest toxic dose. LD50 was found equal to 863.28 mg/kg which indicate that T considered slightly toxic based on Hodge and Sterner scale.
Antimicrobial activity of T at deferent concentrations showed some promising antibacterial activity against Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli, using filter paper disk method. The best minimum inhibitory concentration (MIC) was against Pseudomonas aeruginosa. Also, it has a potent antifungal effect against Candida albicans, Candida krusi, and Candida paras. It can be conclude that T more safe and has a good antibacterial and antifungal activity.
Keywords
selena-diazole; LD50; Antibacterial; Antifungal; MIC
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