TR
EN
Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid
Abstract
In this study, N-((Z)-4-((3r,5r,7r)-adamantan-1-yl)-3-(3-amino-1,4-dioxo-1,4-dihydronaphthalen-2yl)thiazol-2(3H)-ylidene)-2,6-difluorobenzamide 3 was synthesized as a new 1,4-naphthoquinone thiazole hybrid compound by reaction of naphthoquinone acyl thiourea compound 2 with 1-((3r,5r,7r)-adamantan-1-yl)-2-bromoethan-1-one in 74% yield and its molecular structure was characterized by various analytical techniques such as 1H/13C NMR, FT-IR, and HRMS. The inhibition effect of the synthesized compound on butyrylcholinesterase (BChE), acetylcholinesterase (AChE), and human carbonic anhydrase isoenzymes (hCA I and hCA II) was investigated. The product 3 showed varying degrees of inhibition 89.92 ± 10.47 nM (against hCA I), 51.60 ± 5.37 nM (against hCA II), 68.11 ± 6.58 nM (against AChE), and 126.90 ± 10.99 (against BChE). Although 1,4-naphthoquinone thiazole hybrid 3 showed significant enzyme activity against the enzymes tested, it showed a higher inhibition activity against the AChE enzyme than the standard drug Tacrine. Three acid dissociation constants (pKa) values (pKa1= 2.75±0.02, pKa2= 6.79±0.02, pKa3= 10.85±0.02) of the product were determined potentiometrically in 0.1 M NaCl ionic strength at 25.0±0.1 ºC in 25% (v/v) DMSO:water hydro organic medium.
Keywords
References
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Details
Primary Language
English
Subjects
Pharmaceutical Biochemistry, Pharmaceutical Analytical Chemistry
Journal Section
Research Article
Publication Date
September 1, 2024
Submission Date
February 6, 2024
Acceptance Date
June 23, 2024
Published in Issue
Year 2024 Volume: 44 Number: 3
APA
Nural, Y., & Demir, Y. (2024). Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid. Hacettepe University Journal of the Faculty of Pharmacy, 44(3), 234-243. https://doi.org/10.52794/hujpharm.1432876
AMA
1.Nural Y, Demir Y. Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid. HUJPHARM. 2024;44(3):234-243. doi:10.52794/hujpharm.1432876
Chicago
Nural, Yahya, and Yeliz Demir. 2024. “Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid”. Hacettepe University Journal of the Faculty of Pharmacy 44 (3): 234-43. https://doi.org/10.52794/hujpharm.1432876.
EndNote
Nural Y, Demir Y (September 1, 2024) Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid. Hacettepe University Journal of the Faculty of Pharmacy 44 3 234–243.
IEEE
[1]Y. Nural and Y. Demir, “Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid”, HUJPHARM, vol. 44, no. 3, pp. 234–243, Sept. 2024, doi: 10.52794/hujpharm.1432876.
ISNAD
Nural, Yahya - Demir, Yeliz. “Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid”. Hacettepe University Journal of the Faculty of Pharmacy 44/3 (September 1, 2024): 234-243. https://doi.org/10.52794/hujpharm.1432876.
JAMA
1.Nural Y, Demir Y. Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid. HUJPHARM. 2024;44:234–243.
MLA
Nural, Yahya, and Yeliz Demir. “Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid”. Hacettepe University Journal of the Faculty of Pharmacy, vol. 44, no. 3, Sept. 2024, pp. 234-43, doi:10.52794/hujpharm.1432876.
Vancouver
1.Yahya Nural, Yeliz Demir. Synthesis, Enzyme Inhibition, and Acid Dissociation Constant of 1,4-Naphthoquinone Thiazole Hybrid. HUJPHARM. 2024 Sep. 1;44(3):234-43. doi:10.52794/hujpharm.1432876