Synthesis, anticancer evaluation, and molecular modeling study of new 2-(phenylamino)pyrazolo[1,5-a]pyrimidine analogues

The reaction of 3-amino-5-phenylaminopyrazoles 2 with 3-(dimethylamino) acrylonitrile derivatives resulted in a series of substituted pyrazolopyrimidine analogues 4 and 6. The DFT studies of the isolated compounds showed that the frontier molecular orbitals energy gap was close and in the 2.65–2.81 ...

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Main Authors: Omer A. Azher, Aisha Hossan, Rami A. Pashameah, Amerah Alsoliemy, Arwa Alharbi, Turki M. Habeebullah, Nashwa M. El-Metwaly
Format: Article
Language:English
Published: Elsevier 2023-01-01
Series:Arabian Journal of Chemistry
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1878535222007535
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author Omer A. Azher
Aisha Hossan
Rami A. Pashameah
Amerah Alsoliemy
Arwa Alharbi
Turki M. Habeebullah
Nashwa M. El-Metwaly
author_facet Omer A. Azher
Aisha Hossan
Rami A. Pashameah
Amerah Alsoliemy
Arwa Alharbi
Turki M. Habeebullah
Nashwa M. El-Metwaly
author_sort Omer A. Azher
collection DOAJ
description The reaction of 3-amino-5-phenylaminopyrazoles 2 with 3-(dimethylamino) acrylonitrile derivatives resulted in a series of substituted pyrazolopyrimidine analogues 4 and 6. The DFT studies of the isolated compounds showed that the frontier molecular orbitals energy gap was close and in the 2.65–2.81 eV range where the derivative 6b has the lowest and both of 4a and 4c have the highest values. Meanwhile, the anticancer activity of the newly synthesized pyrazolopyrimidine analogues have been tested against several different cell lines (MCF-7, PC3, Hep-2 and WI38). The investigated pyrazolopyrimidines showed remarkable cytotoxicity activity against the MCF-7 and Hep-2 cell lines. In comparison to the effects of 5-fluorouracil, IC50 = 10.19 ± 0.42 and 7.19 ± 0.47, compounds 6a-c demonstrated potential anticancer activity with IC50 values for MCF-7 (10.80 ± 0.36–19.84 ± 0.49 μM) and Hep-2 (8.85 ± 0.24–12.76 ± 0.16 μM). Important details regarding the protein's binding sites were disclosed when the produced analogues docked with the crystal structure of the KDM5A protein, which was located in the protein data library.
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spelling doaj.art-692f3c1063914b1c8c4efcadf40f2e112022-12-22T04:19:49ZengElsevierArabian Journal of Chemistry1878-53522023-01-01161104437Synthesis, anticancer evaluation, and molecular modeling study of new 2-(phenylamino)pyrazolo[1,5-a]pyrimidine analoguesOmer A. Azher0Aisha Hossan1Rami A. Pashameah2Amerah Alsoliemy3Arwa Alharbi4Turki M. Habeebullah5Nashwa M. El-Metwaly6Department of laboratory Medicine, Faculty of Applied Biomedical Sciences, Al-Baha University, Saudi ArabiaDepartment of Chemistry, Faculty of science, King Khalid University, Abha, Saudi ArabiaDepartment of Chemistry, Faculty of Applied Science, Umm Al Qura University, Makkah 24230, Saudi ArabiaDepartment of Chemistry, Faculty of Applied Science, Umm Al Qura University, Makkah 24230, Saudi ArabiaDepartment of Chemistry, Faculty of Applied Science, Umm Al Qura University, Makkah 24230, Saudi ArabiaDepartment of Environment and Health Research, The Custodian of the two holy mosques Institute for Hajj and Umrah Research, Umm Al Qura University, Makkah, Saudi ArabiaDepartment of Chemistry, Faculty of Applied Science, Umm Al Qura University, Makkah 24230, Saudi Arabia; Department of Chemistry, Faculty of Science, Mansoura University, El-Gomhoria Street 35516, Egypt; Corresponding author.The reaction of 3-amino-5-phenylaminopyrazoles 2 with 3-(dimethylamino) acrylonitrile derivatives resulted in a series of substituted pyrazolopyrimidine analogues 4 and 6. The DFT studies of the isolated compounds showed that the frontier molecular orbitals energy gap was close and in the 2.65–2.81 eV range where the derivative 6b has the lowest and both of 4a and 4c have the highest values. Meanwhile, the anticancer activity of the newly synthesized pyrazolopyrimidine analogues have been tested against several different cell lines (MCF-7, PC3, Hep-2 and WI38). The investigated pyrazolopyrimidines showed remarkable cytotoxicity activity against the MCF-7 and Hep-2 cell lines. In comparison to the effects of 5-fluorouracil, IC50 = 10.19 ± 0.42 and 7.19 ± 0.47, compounds 6a-c demonstrated potential anticancer activity with IC50 values for MCF-7 (10.80 ± 0.36–19.84 ± 0.49 μM) and Hep-2 (8.85 ± 0.24–12.76 ± 0.16 μM). Important details regarding the protein's binding sites were disclosed when the produced analogues docked with the crystal structure of the KDM5A protein, which was located in the protein data library.http://www.sciencedirect.com/science/article/pii/S18785352220075353-aminopyrazolesPyrazolopyrimidinesMolecular modellingMCF-7Molecular docking
spellingShingle Omer A. Azher
Aisha Hossan
Rami A. Pashameah
Amerah Alsoliemy
Arwa Alharbi
Turki M. Habeebullah
Nashwa M. El-Metwaly
Synthesis, anticancer evaluation, and molecular modeling study of new 2-(phenylamino)pyrazolo[1,5-a]pyrimidine analogues
Arabian Journal of Chemistry
3-aminopyrazoles
Pyrazolopyrimidines
Molecular modelling
MCF-7
Molecular docking
title Synthesis, anticancer evaluation, and molecular modeling study of new 2-(phenylamino)pyrazolo[1,5-a]pyrimidine analogues
title_full Synthesis, anticancer evaluation, and molecular modeling study of new 2-(phenylamino)pyrazolo[1,5-a]pyrimidine analogues
title_fullStr Synthesis, anticancer evaluation, and molecular modeling study of new 2-(phenylamino)pyrazolo[1,5-a]pyrimidine analogues
title_full_unstemmed Synthesis, anticancer evaluation, and molecular modeling study of new 2-(phenylamino)pyrazolo[1,5-a]pyrimidine analogues
title_short Synthesis, anticancer evaluation, and molecular modeling study of new 2-(phenylamino)pyrazolo[1,5-a]pyrimidine analogues
title_sort synthesis anticancer evaluation and molecular modeling study of new 2 phenylamino pyrazolo 1 5 a pyrimidine analogues
topic 3-aminopyrazoles
Pyrazolopyrimidines
Molecular modelling
MCF-7
Molecular docking
url http://www.sciencedirect.com/science/article/pii/S1878535222007535
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