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Nofal HR, Al-Karmalawy AA, Elmaaty AA, Ismail MF, Ali AK, Abbass EM. Pharmacophore-based, rationale design, and efficient synthesis of novel tetrahydrobenzo[b]thiophene candidates as potential dual Topo I/II inhibitors and DNA intercalators. Arch Pharm (Weinheim) 2024; 357:e2400217. [PMID: 38864845 DOI: 10.1002/ardp.202400217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/23/2024] [Accepted: 05/26/2024] [Indexed: 06/13/2024]
Abstract
A series of tetrahydrobenzo[b]thiophene derivatives was designed and synthesized as dual topoisomerase (Topo) I/II inhibitors implicating potential DNA intercalation. Ethyl-2-amino-3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophene-4-carboxylate (1) was prepared by modification of the Gewald reaction procedure using a Fe2O3 nanocatalyst and then it was used as a building block for the synthesis of tetrahydrobenzo[b]thiophene candidates (2-14). Interestingly, compound 14 showed the best cytotoxic potential against hepatocellular, colorectal, and breast cancer cell lines (IC50 = 7.79, 8.10, and 3.53 µM), respectively, surpassing doxorubicin at breast cancer (IC50 = 4.17 µM). Meanwhile, the Topo I and II inhibition assay displayed that compound 3 could exhibit the best inhibitory potential among the investigated candidates (IC50 = 25.26 and 10.01 nM), respectively, in comparison to camptothecin (IC50 = 28.34 nM) and doxorubicin (IC50 = 11.01 nM), as reference standards. In addition, the DNA intercalation assay showed that compound 14 could display the best binding affinity with an IC50 value of 77.82 µM in comparison to doxorubicin (IC50 = 58.03 µM). Furthermore, cell cycle and apoptosis analyses described that compound 3 prompts the G1 phase arrest in michigan cancer foundation-7 cancer cells and increases the apoptosis ratio by 29.31% with respect to untreated cells (2.25%). Additionally, the conducted molecular docking assured the promising binding of the investigated members toward Topo I and II with potential DNA intercalation. Accordingly, the synthesized compounds could be treated as promising anticancer candidates for future optimization.
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Affiliation(s)
- Hager R Nofal
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt
| | - Ahmed A Al-Karmalawy
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Horus University-Egypt, New Damietta, Egypt
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
| | - Ayman Abo Elmaaty
- Medicinal Chemistry Department, Faculty of Pharmacy, Port Said University, Port Said, Egypt
| | - Mahmoud F Ismail
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt
| | - Ali Khalil Ali
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt
| | - Eslam M Abbass
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt
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El-Sayed MKF, Elshahawi MM, Abu El-Azm FSM, Hosni EM, Kamal M, Ali YM. Synthesis, molecular modelling and evaluation of larvicidal efficacy of annulated Benzo[h]chromenes against Culex pipiens L. Larvae. Sci Rep 2024; 14:18393. [PMID: 39117743 PMCID: PMC11310521 DOI: 10.1038/s41598-024-68035-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 07/18/2024] [Indexed: 08/10/2024] Open
Abstract
A new series of substituted benzo[h]chromene, benzochromenopyrimidine, and benzochromenotriazolopyrimidine derivatives were synthesized via chemical transformations of iminonitrile, ethoxymethylene amino, and cyanomethylene functionalities. The chemical structures of the synthesized compounds were assured by spectroscopic data and elemental analysis. The larvicidal efficacy of these compounds against Culex pipiens L. larvae was investigated, revealing potent insecticidal activity, particularly for compounds 6, 10, and 16, exceeding that of the standard insecticide chlorpyrifos. The mode of action of these compounds was explored through molecular docking studies, indicating their potential as acetylcholine esterase (AChE) inhibitors and nicotinic acetylcholine receptors (nAChR) blockers. The structure-activity relationship analysis highlighted the influence of substituents and fused heterocyclic rings on larvicidal potency. These findings suggest that the synthesized compounds hold promise as potential candidates for developing novel and effective mosquito control agents.
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Affiliation(s)
- Mahmoud K F El-Sayed
- Chemistry Department, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Manal M Elshahawi
- Chemistry Department, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Fatma S M Abu El-Azm
- Chemistry Department, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Eslam M Hosni
- Entomology Department, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Mahmoud Kamal
- Entomology Department, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Yasmeen M Ali
- Chemistry Department, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt.
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Abdelrahman NA, Al-Karmalawy AA, Jaballah MY, Yahya G, Sharaky M, Abouzid KAM. Design and synthesis of novel chloropyridazine hybrids as promising anticancer agents acting by apoptosis induction and PARP-1 inhibition through a molecular hybridization strategy. RSC Med Chem 2024; 15:981-997. [PMID: 38516606 PMCID: PMC10953493 DOI: 10.1039/d3md00751k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 02/06/2024] [Indexed: 03/23/2024] Open
Abstract
Guided by the molecular hybridization principle, a novel series of 4-chloropyridazinoxyphenyl conjugates (3a-h, 4a-e, and 5) was designed and synthesized as proposed apoptotic inducers and PARP-1 inhibitors. The growth inhibition % of the designed hybrids was investigated in eleven cancer cell lines, where the anticancer activities were found to be in the following order: 4-chloropyridazinoxyphenyl-aromatic ketones hybrids (3a-h) > 4-chloropyridazinoxyphenyl-benzyloxyphenylethan-1-one hybrids (4a-e) > 4-chloropyridazinoxyphenyl-thiazolidine-2,4-dione hybrid (5). Further, the most sensitive three cancer cell lines (HNO97, FaDu, and MDA-MB-468) were selected to measure the IC50 values of the new hybrids. Moreover, the frontier three members (3c, 3e, and 4b) were selected for the measurements of apoptotic protein markers (p53, BAX, caspase 3, caspase 6, BCL-2, and CK 18). Besides, the impact of compounds 3a-e and 4b on the activity of PARP-1 was investigated, where 3c, 3d, and 3e demonstrated comparable efficiencies to olaparib. Furthermore, γ-H2Ax, a well-established marker for double-strand DNA breaks, was examined and the occurrence of DNA damage was observed. In addition, a significant inhibition of cell proliferation and a remarkable 15 to 50-fold reduction in the number of colonies compared to the control group were recorded. Finally, the PARP-1 inhibitory potential of the novel hybrids was compared to the co-crystal of the target receptor (PDB ID: 6NTU) using molecular docking.
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Affiliation(s)
- Norhan A Abdelrahman
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain-Shams University Cairo 11566 Egypt
| | - Ahmed A Al-Karmalawy
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Horus University-Egypt New Damietta 34518 Egypt
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ahram Canadian University 6th of October City Giza 12566 Egypt
| | - Maiy Y Jaballah
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain-Shams University Cairo 11566 Egypt
| | - Galal Yahya
- Department of Microbiology and Immunology, Zagazig University Zagazig 44519 Egypt
- Molecular Biology Institute of Barcelona, Spanish National Research Council Catalonia Spain
| | - Marwa Sharaky
- Cancer Biology Department, Pharmacology Unit, National Cancer Institute (NCI), Cairo University Cairo Egypt
- Biochemistry Department, Faculty of Pharmacy, Ahram Canadian University 6th of October City Giza 12566 Egypt
| | - Khaled A M Abouzid
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain-Shams University Cairo 11566 Egypt
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Hamed MY, Aly AF, Abdullah NH, Ismail MF. Synthesis, Characterization and Antifungal Evaluation of Novel Pyridazin-3(2 H)-One Derivatives. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2044865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Mai Y. Hamed
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
- Central Agricultural Pesticide Lab., Pesticide Formulations Department, Agricultural Research Center, Giza, Egypt
| | - Aly Fahmy Aly
- Central Agricultural Pesticide Lab., Pesticide Formulations Department, Agricultural Research Center, Giza, Egypt
| | - Nashwa Hamed Abdullah
- Botany and Microbiology Department, Faculty of Science, Helwan University, Cairo, Egypt
| | - Mahmoud F. Ismail
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
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Sallam HH, Mohammed YHE, Al-Ostoot FH, Sridhar M, Khanum SA. Synthesis, structure analysis, DFT calculations, Hirshfeld surface studies, and energy frameworks of 6-Chloro-3-[(4-chloro-3-methylphenoxy)methyl][1,2,4]triazolo[4,3-b]pyridazine. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130282] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Abbas AA, Abdellattif MH, Dawood KM. Inhibitory activities of bipyrazoles: a patent review. Expert Opin Ther Pat 2021; 32:63-87. [PMID: 34232805 DOI: 10.1080/13543776.2021.1953474] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Introduction: Bipyrazole is constituted from two pyrazole units either in their fully aromatic or partially hydrogenated forms. Pyrazoles are widely available in pharmaceutical and agrochemical products. Some pyrazoles are essential parts of commercial drugs in the market. This inspired us to collect the pharmacological activities of bipyrazoles that have potential therapeutic behaviors in several biological aspects but none of them were included in commercial drugs.Areas covered: This review covers all biological and pharmacological potentials of bipyrazole derivatives during 2010-2021. The topics of this review comprised anticancer, antioxidant, anti-inflammatory, antimicrobial, antitubercular, antimalarial, insecticidal activities as well as enzymatic inhibitions.Expert opinion: Bipyrazoles demonstrated a wide array of potent activities against various diseases such as anticancer, antitubercular, anti-inflammatory, and antimicrobial activities. Those are of great benefits for medicinal researchers to develop promising building blocks of bipyrazoles for treatment of diseases. The SAR studies showed that metallated bipyrazoles had better biological activities than bipyrazole ligands. For example, gold(III) and iridium(II) complexes of bipyrazoles were proved to be anticancer agents, and copper(I) as well as silver(I) complexes had excellent antibacterial activities. Several bipyrazoles were reported as antimalarial inhibitors better than chloroquine, the possible COVID-19 drug.
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Affiliation(s)
- Ashraf A Abbas
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Magda H Abdellattif
- Department of Chemistry, College of Science, Faif University, Taif, Saudi Arabia
| | - Kamal M Dawood
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
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Sabt A, Eldehna WM, Al-Warhi T, Alotaibi OJ, Elaasser MM, Suliman H, Abdel-Aziz HA. Discovery of 3,6-disubstituted pyridazines as a novel class of anticancer agents targeting cyclin-dependent kinase 2: synthesis, biological evaluation and in silico insights. J Enzyme Inhib Med Chem 2021; 35:1616-1630. [PMID: 32781872 PMCID: PMC7470104 DOI: 10.1080/14756366.2020.1806259] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Human health in the current medical era is facing numerous challenges, especially cancer. So, the therapeutic arsenal for cancer should be unremittingly enriched with novel small molecules that selectively target tumour cells with minimal toxicity towards normal cells. In this context, herein a new series of 3,6-disubstituted pyridazines 11a–r has been synthesised and evaluated for in vitro anticancer activity. They possessed good anti-proliferative action towards human breast cancer T-47D (IC50 range: 0.43 ± 0.01 − 35.9 ± 1.18 µM) and MDA-MB-231 (IC50 range: 0.99 ± 0.03 − 34.59 ± 1.13 µM) cell lines, whereas they displayed weak activity against the tested ovarian cancer cell line SKOV-3. Among the studied compounds, the methyltetrahydropyran-bearing pyridazine 11m emerged as the unique submicromolar growth inhibitor herein reported towards both T-47D (IC50 = 0.43 ± 0.01 µM) and MDA-MB-231 (IC50 = 0.99 ± 0.03 µM) cell lines. In addition, the biological results indicated that pyridazines 11l and 11m exerted an efficient alteration within the cell cycle progression as well as induction of apoptosis in both T-47D and MDA-MB-231 cells. Moreover, pyridazines 11l and 11m displayed good mean tumour S. I. values of 13.7 and 16.1 upon assessment of their cytotoxicity towards non-tumorigenic breast MCF-10A cells. Furthermore, an in silico study proposed CDK2 as a probable enzymatic target for pyridazines 11, and explored their binding interactions within the vicinity of CDK2 binding site. Subsequently, pyridazines 11e, 11h, 11l, and 11m were selected to be evaluated for their ability to inhibit CDK2, where they exerted good inhibitory activity (IC50 = 151, 43.8, 55.6 and 20.1 nM, respectively). Finally, the in silico study implied that target pyridazines 11 exhibited not only an efficient anticancer activity but also an acceptable ADME, physicochemical and druglikeness properties, specifically pyridazines 11l and 11m. Overall the obtained results from this study quite sustained our strategy and gave us a robust opportunity for further development and optimisation of 3,6-disubstituted pyridazine scaffold to enrich therapeutic arsenal with efficient and safe anticancer CDK inhibitors.
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Affiliation(s)
- Ahmed Sabt
- Chemistry of Natural Compounds Department, National Research Centre, Dokki, Egypt
| | - Wagdy M Eldehna
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Tarfah Al-Warhi
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Ohoud J Alotaibi
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Mahmoud M Elaasser
- The Regional Center for Mycology and Biotechnology, Al-Azhar University, Cairo, Egypt
| | - Howayda Suliman
- Department of Medical Biochemistry, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Hatem A Abdel-Aziz
- Department of Applied Organic Chemistry, National Research Center, Giza, Egypt
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Affiliation(s)
- Kamal M. Dawood
- Department of Chemistry, Faculty of Science Cairo University Giza 12613 Egypt
| | - Ashraf A. Abbas
- Department of Chemistry, Faculty of Science Cairo University Giza 12613 Egypt
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Zhu G, Zhang G. Access to a Phthalazine Derivative Through an Angular cis-Quinacridone. J Org Chem 2021; 86:1198-1203. [PMID: 33284013 DOI: 10.1021/acs.joc.0c02344] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Intramolecular electrophilic cyclization of a bisanthranilate afforded an angular cis-quinacridone compound, which condensed with hydrazine to give a phthalazine derivative. A [2+2+2] cyclization reaction occurred at the C-N double bond position of phthalazine when reacted with dimethyl acetylenedicarboxylate. The structures of these novel compounds were confirmed by crystallographic analysis. The phthalazine derivative decomposes back to quinacridone at ambient condition in the dark and as a solid with a half lifetime of about 22 months.
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Affiliation(s)
- Guanxing Zhu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Products, College of Chemical Engineering, Nanjing Forestry University, Longpan Road 159, Nanjing, 210037, People's Republic of China
| | - Gang Zhang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Products, College of Chemical Engineering, Nanjing Forestry University, Longpan Road 159, Nanjing, 210037, People's Republic of China
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He ZX, Gong YP, Zhang X, Ma LY, Zhao W. Pyridazine as a privileged structure: An updated review on anticancer activity of pyridazine containing bioactive molecules. Eur J Med Chem 2020; 209:112946. [PMID: 33129590 DOI: 10.1016/j.ejmech.2020.112946] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/26/2020] [Accepted: 10/13/2020] [Indexed: 12/13/2022]
Abstract
Identification of potent anticancer agents with high selectivity and low toxicity remains on the way to human health. Pyridazine featuring advantageous physicochemical properties and antitumor potential usually is regarded as a central core in numerous anticancer derivatives. There are several approved pyridazine-based drugs in the market and analogues currently going through different clinical phases or registration statuses, suggesting pyridazine as a promising drug-like scaffold. The current review is intended to provide a comprehensive and updated overview of pyridazine derivatives as potential anticancer agents. In particular, we focused on their structure-activity relationship (SAR) studies, design strategies, binding modes and biological activities in the hope of offering novel insights for further rational design of more active and less toxic anticancer drugs.
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Affiliation(s)
- Zhang-Xu He
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Yun-Peng Gong
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Xin Zhang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Li-Ying Ma
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, PR China.
| | - Wen Zhao
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, PR China.
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Mohamed AMM, Ismail MF, Madkour HMF, Aly AF, Salem MS. Straightforward synthesis of 2-chloro-N-(5-(cyanomethyl)-1,3,4-thiadiazol-2-yl)benzamide as a precursor for synthesis of novel heterocyclic compounds with insecticidal activity. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1802652] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Ali M. M. Mohamed
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Abbassia, Egypt
| | - Mahmoud F. Ismail
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Abbassia, Egypt
| | - Hassan M. F. Madkour
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Abbassia, Egypt
| | - Aly Fahmy Aly
- Pesticide Formulations Department, Central Agricultural Pesticide Lab., Agricultural research Center, Giza, Dokky, Egypt
| | - Marwa S. Salem
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Abbassia, Egypt
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