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Bobrov PS, Kondrasenko AA, Suboch GA. Synthesis of N-Benzothiazolyl-4-nitrosopyrazoles. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1070428022110112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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2
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Elewa SI, El-Farargy AF, Nafie MS, Mansour E. Synthesis, and Cytotoxic Activity of Novel Pyrazoline-Thiazolidinone Derivatives with Molecular Docking Studies. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2108074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Safaa I. Elewa
- Department of Chemistry, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
| | - Ahmed F. El-Farargy
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Sharqia, Egypt
| | - Mohamed S. Nafie
- Department of Chemistry, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Eman Mansour
- Department of Chemistry, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
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Ali OM, Alotaibi MT, Zaki YH, Amer HH. Design, Synthesis, and Spectroscopic Studies of Some New α-Aminophosphonate Analogues Derived from 4-Hydroxybenzaldehyde with Special Reference to Anticancer Activity. Drug Des Devel Ther 2022; 16:2589-2599. [PMID: 35965965 PMCID: PMC9364703 DOI: 10.2147/dddt.s357998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 06/15/2022] [Indexed: 11/23/2022] Open
Abstract
Introduction As biological activity components, α-aminophosphonates and their moieties play important roles in medicinal chemistry. Alpha-phosphonic acids are significant α-amino acid counterparts. Due to its strong biological activity, this class of molecule has recently been discovered to have numerous medical applications. Results and Discussion A new class of α-aminophosphonates and arylidene derivatives was synthesized. Various spectroscopic and elemental analyses were used to confirm the prepared products. The produced materials were tested as anticancer against breast carcinoma cells and normal human cells (PBMC). Besides the analysis results, it was found that (7b, 4c, 5k, 6, 5a, 7c, 5f, 5b, and 5g) against MCF-7 line cells. As a reference anticancer drug, 5-fluorouracil was used. The anticancer activities showed that the compounds 7b, 4c, containing α-aminophosphonate and Schiff base groups, respectively, showed high inhibition activity against the MCF-7 cell line, with 94.32% and 92.45% inhibition compared to the inhibition by 5-FU with 96.02% inhibition. The results showed that the compounds 5k, 7b, 6, and 5a, respectively, had very low activity against normal human cells PBMC, with 12.77%, 13%, 13.13%, and 17.88% inhibition compared to the inhibition by 5-FU with 12.50% inhibition. The binding energy for non-bonding interactions between the ligand (studied compounds) and receptor, thymidylate synthase, was determined using molecular docking (pdb code: 1AN5). Conclusion α-aminophosphonate derivatives, arylidines, and disphosphonate derivatives derived from 4-hydroxybenzaldehyde were synthesized, purified, elucidated by spectroscopic analysis, and finally tested against carcinoma breast cancer to give high to moderate to low activity.
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Affiliation(s)
- Omar M Ali
- Department of Chemistry, University College of Turabah, Taif University, Taif, 21944, Saudi Arabia
| | - Mohammed T Alotaibi
- Department of Chemistry, University College of Turabah, Taif University, Taif, 21944, Saudi Arabia
| | - Yasser H Zaki
- Department of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt
- Correspondence: Yasser H Zaki; Omar M Ali, Email ;
| | - Hamada H Amer
- Department of Animal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, University of Sadat City, Sadat City, Egypt
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Zaki YH, El-Gendey MS, Fouad SA, Mohamed HS, Amer HH. Utility of Pyrimidine Thione Derivatives in the Synthesis of Biologically Active Heterocyclic Compounds. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2049324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Yasser H. Zaki
- Department of Chemistry, Faculty of Science, Beni-Suef University, Beni Suef, Egypt
- Department of Chemistry, Faculty of Science and Humanity Studies at Al-Quwayiyah, Shaqra University, Al Quwayiyah, Saudi Arabia
| | - Marwa S. El-Gendey
- Department of Chemistry, Turabah University College, Taif University, Turabah, Saudi Arabia
- Department of Chemistry, Faculty of Science, Al-Azhar University (Girls), Cairo, Egypt
| | - Sawsan A. Fouad
- Department of Chemistry, Faculty of Science, Al-Azhar University (Girls), Cairo, Egypt
| | - Hussein S. Mohamed
- Chemistry of Medicinal and Aromatic Plants Department, Research Institute of Medicinal and Aromatic Plants (RIMAB), Beni-Suef University, Beni Suef, Egypt
- Basic Sciences Department, Higher Technological Institute in Beni-Suef, Beni Suef, Egypt
| | - Hamada H. Amer
- Department of Chemistry, Turabah University College, Taif University, Turabah, Saudi Arabia
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Zaki YH, Abdelhamid AO, Sayed AR, Mohamed HS. Synthesis of 1,3,4-Thiadiazole Derivatives Using Hydrazonoyl Bromide: Molecular Docking and Computational Studies. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2027791] [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)
- Yasser H. Zaki
- Department of Chemistry, Faculty of Science, Beni-Suef University, Beni‑Suef, Egypt
- Department of Chemistry, Faculty of Science and Humanity Studies at Al-Quwayiyah, Shaqra University, Al-Quwayiyah, Saudi Arabia
| | | | - Abdelwahed R. Sayed
- Department of Chemistry, Faculty of Science, Beni-Suef University, Beni‑Suef, Egypt
- Department of Chemistry, Faculty of Science, King Faisal University, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Hussein S. Mohamed
- Department of Chemistry of Medicinal and Aromatic Plants, Research Institute of Medicinal and Aromatic Plants (RIMAB), Beni-Suef University, Beni-Suef, Egypt
- Department of Basic Sciences, Higher Technological Institute in Beni-Suef, Beni-Suef, Egypt
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Fouad SA, El-Gendey MS, Ahmed EM, Hessein SA, Ammar YA, Zaki YH. Convenient Synthesis of Some New Thiophene, Pyrazole, and Thiazole Derivatives Bearing Biologically Active Sulfonyl Guanidine Moiety. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2021.1988999] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Sawsan A. Fouad
- Department of Chemistry, Faculty of Science, Al-Azhar University (Girls), Cairo, Egypt
| | - Marwa S. El-Gendey
- Department of Chemistry, Faculty of Science, Al-Azhar University (Girls), Cairo, Egypt
- Department of Chemistry, Turabah University College, Taif University, Turabah, Saudi Arabia
| | - Entsar M. Ahmed
- Department of Chemistry, Faculty of Science, Al-Azhar University (Girls), Cairo, Egypt
| | - Sadia A. Hessein
- Department of Chemistry, Faculty of Science, Al-Azhar University (Girls), Cairo, Egypt
| | - Yousry A. Ammar
- Department of Chemistry, Faculty of Science, Al-Azhar University (Boys), Cairo, Egypt
| | - Yasser H. Zaki
- Department of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
- Department of Chemistry, Faculty of Science and Humanity Studies, Al-Quwayiyah, Shaqra University, Al-Quwayiyah, Saudi Arabia
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7
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Ramadan SK, El-Ziaty AK, El-Helw EAE. Synthesis and antioxidant evaluation of some heterocyclic candidates from 3-(1,3-diphenyl-1H-pyrazol-4-yl)-2-(4-oxo-4H-benzo[d][1,3]oxazin-2-yl)propenonitrile. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1879152] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sayed K. Ramadan
- Chemistry Department, Faculty of Science, Ain Shams University, Abassia, Cairo, Egypt
| | - Ahmed K. El-Ziaty
- Chemistry Department, Faculty of Science, Ain Shams University, Abassia, Cairo, Egypt
| | - Eman A. E. El-Helw
- Chemistry Department, Faculty of Science, Ain Shams University, Abassia, Cairo, Egypt
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8
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Elewa SI, Abdelhamid AO, Hamed AA, Mansour E. Synthesis, characterization, antimicrobial activities, anticancer of some new pyridines from 2, 3-dihydro-2-oxo-4-phenyl-6-(thien-2-yl) pyridine-3-carbonitrile. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2020.1849726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Safaa I. Elewa
- Department of Chemistry, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
| | | | - Ahmed A. Hamed
- Microbial Chemistry Department, National Research Centre, Dokki, Giza, Egypt
| | - Eman Mansour
- Department of Chemistry, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
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Ramadan SK, El‐Ziaty AK, Ali RS. Synthesis, antiproliferative activity, and molecular docking of some N‐heterocycles bearing a pyrazole scaffold against liver and breast tumors. J Heterocycl Chem 2021; 58:290-304. [DOI: 10.1002/jhet.4168] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/12/2020] [Indexed: 10/21/2023]
Abstract
AbstractA new series of some 1,3‐diphenylpyrazole‐based heterocycles were constructed from 2‐cyano‐3‐(1,3‐diphenyl‐1H‐pyrazol‐4‐yl)propenoyl chloride (1). The titled acid chloride was submitted to react with mono‐nucleophilic reagents, including oxygen, sulfur, or nitrogen, to afford new acrylate, thioacrylate, and acrylamide derivatives, respectively. Meanwhile, condensation of 1 with some 1,2‐ and 1,3‐binucleophiles led to the construction of oxadiazepine, pyridopyrimidine, and thiadiazolopyrimidine derivatives (16, 18, 20, 23). In turn, two benzoxazinone derivatives (27, 28) were synthesized upon treating 1 with substituted anthranilic acids followed by heating with acetic anhydride. The antiproliferative activity of the compounds developed against two tumors (HePG2 and MCF7) was evaluated. Compounds 4, 6, 11, 25, and 26 exhibited strong activity and compounds 3, 5, 16, 18, 27, and 28 exhibited moderate activity. A molecular modeling study was conducted by utilizing molecular modeling environment to test the binding free energies of the studied compounds toward human cyclin‐dependent kinase 2. The compounds, 4, 25, and 26, displayed the best docking score. The orientation and hydrogen bond pattern of these compounds in the active site correspond to that of PNU‐292137, which had been approved as a selective CDK2 inhibitor.
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Affiliation(s)
- Sayed K. Ramadan
- Department of Chemistry, Faculty of Science Ain Shams University Cairo Egypt
| | - Ahmed K. El‐Ziaty
- Department of Chemistry, Faculty of Science Ain Shams University Cairo Egypt
| | - Rania S. Ali
- Department of Basic Science, Faculty of Technology and Education Helwan University Cairo Egypt
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Bondock S, Albarqi T, Abboud M. Advances in the synthesis and chemical transformations of 5-acetyl-1,3,4-thiadiazolines. J Sulphur Chem 2020. [DOI: 10.1080/17415993.2020.1843170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Samir Bondock
- Chemistry Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
- Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Tallah Albarqi
- Chemistry Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | - Mohamed Abboud
- Chemistry Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
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Song Y, Feng S, Feng J, Dong J, Yang K, Liu Z, Qiao X. Synthesis and biological evaluation of novel pyrazoline derivatives containing indole skeleton as anti-cancer agents targeting topoisomerase II. Eur J Med Chem 2020; 200:112459. [PMID: 32502865 DOI: 10.1016/j.ejmech.2020.112459] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 04/28/2020] [Accepted: 05/11/2020] [Indexed: 11/25/2022]
Abstract
In order to develop potent anticaner agents, a novel series of 3-(1H-indol-3-yl)-2,3,3a,4-tetrahydrothiochromeno[4,3-c]pyrazole derivatives were synthesized. Structures of all compounds were confirmed. MTT assay has been employed to study antiproliferative activity of these compounds with four human cancer cell lines (MGC-803, Hela, MCF-7 and Bel-7404) and a normal cell line L929. Most of these compounds showed potential anticancer activity and low cytotoxicity on normal cell in vitro. 7d and 7f showed the best anticancer activity, whose IC50 value is 15.43 μM and 20.54 μM towards MGC-803, respectively. Most of them exhibited topoisomerase II selective inhibitory. Cleavage reaction assay and DNA unwinding assay showed that 7f was a nonintercalative Topo II catalytic inhibitor, which was consistent with the docking results. Laser scanning confocal microscopy system tracks the location of representative compounds 7d and 7f which can be abundantly entering the nucleus. In particular, the most potent compounds 7d and 7f were shown to be able to induce G2/M cell cycle arrest and apoptosis in MGC-803 cells.
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Affiliation(s)
- Yali Song
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002, China.
| | - Siran Feng
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002, China
| | - Jiajia Feng
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002, China
| | - Jinjiao Dong
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002, China
| | - Kan Yang
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002, China
| | - Zhenming Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Xiaoqiang Qiao
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002, China; Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Hebei University, Baoding, Hebei, 071002, China.
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12
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Design, Facile Synthesis and Characterization of Dichloro Substituted Chalcones and Dihydropyrazole Derivatives for Their Antifungal, Antitubercular and Antiproliferative Activities. Molecules 2020; 25:molecules25143188. [PMID: 32668655 PMCID: PMC7397056 DOI: 10.3390/molecules25143188] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/07/2020] [Accepted: 07/11/2020] [Indexed: 12/11/2022] Open
Abstract
Infectious diseases caused by fungi and mycobacteria pose an important problem for humankind. Similarly, cancer is one of the leading causes of death globally. Therefore, there is an urgent need for the development of novel agents to combat the deadly problems of cancer, tuberculosis, and also fungal infections. Hence, in the present study, we designed, synthesized, and characterized 30 compounds including 15 chalcones (2–16) and 15 dihydropyrazoles (17–31) containing dichlorophenyl moiety and also screened these compounds for their antifungal, antitubercular, and antiproliferative activities. Among these compounds, the dihydropyrazoles showed excellent antifungal and antitubercular activities whereas the chalcones exhibited promising antiproliferative activity. Among the dihydropyrazoles, compound 31 containing 2-thienyl moiety showed promising antifungal activity (MIC 5.35 µM), whereas compounds 22 and 24 containing 2,4-difluorophenyl and 4-trifluoromethyl scaffolds revealed significant antitubercular activity with the MICs of 3.96 and 3.67 µM, respectively. Compound 16 containing 2-thienyl moiety in the chalcone series showed the highest anti-proliferative activity with an IC50 value of 17 ± 1 µM. The most active compounds identified through this study could be considered as starting points in the development of drugs with potential antifungal, antitubercular, and antiproliferative activities.
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Wu W, Sun Z, Wang X, Lu X, Dai D. Construction of Thiazole-Fused Dihydropyrans via Formal [4 + 2] Cycloaddition Reaction on DNA. Org Lett 2020; 22:3239-3244. [PMID: 32243186 DOI: 10.1021/acs.orglett.0c01016] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient and facile formal [4 + 2] cycloaddition reaction was developed to synthesize diverse thiazole-fused dihydropyrans (TFDP) on DNA. Mild reaction conditions, broad substrate scope, and compatibility with subsequent enzymatic ligation demonstrated the utility of this methodology in DNA-encoded library synthesis.
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Affiliation(s)
- Wenting Wu
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China
| | - Zhen Sun
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China
| | - Xuan Wang
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China.,State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Science, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Xiaojie Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Science, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Dongcheng Dai
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China
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Shaik A, Bhandare RR, Palleapati K, Nissankararao S, Kancharlapalli V, Shaik S. Antimicrobial, Antioxidant, and Anticancer Activities of Some Novel Isoxazole Ring Containing Chalcone and Dihydropyrazole Derivatives. Molecules 2020; 25:molecules25051047. [PMID: 32110945 PMCID: PMC7179112 DOI: 10.3390/molecules25051047] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 02/17/2020] [Accepted: 02/23/2020] [Indexed: 12/19/2022] Open
Abstract
Our previous work identified isoxazole-based chalcones and their dihydropyrazole derivatives as two important five-membered heterocycles having antitubercular activity. Hence, in the present study, we biologically evaluated 30 compounds, including 15 isoxazole ring-containing chalcones (17-31) and 15 dihydropyrazoles (32-46) derived from these chalcones for their antimicrobial, antioxidant, and anticancer activities. Chalcones exhibited superior antibacterial and antioxidant activities compared to dihydropyrazoles. Among the chalcones, compound 28 showed potent antibacterial (MIC = 1 µg/mL) and antioxidant activities (IC50 = 5 ± 1 µg/mL). Dihydropyrazoles, on the contrary, demonstrated remarkable antifungal and anticancer activities. Compound 46 (IC50 = 2 ± 1 µg/mL) showed excellent antifungal activity whereas two other dihydropyrazoles 45 (IC50 = 2 ± 1 µg/mL) and 39 (IC50 = 4 ± 1 µg/mL) exhibited potential anticancer activity. The compounds were also tested for their toxicity on normal human cell lines (LO2) and were found to be nontoxic. The active compounds that have emerged out of this study are potential lead molecules for the development of novel drugs against infectious diseases, oxidative stress, and cancer.
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Affiliation(s)
- Afzal Shaik
- Department of Pharmaceutical Chemistry Vignan Pharmacy College, Jawaharlal Nehru Technological University, Vadlamudi-522213, Andhra Pradesh, India
- Correspondence: (A.S.); (R.R.B.); Tel.: +91-9966-014-374 (A.S.); +971-565646655 (R.R.B.)
| | - Richie R. Bhandare
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, Ajman University, Ajman PO Box 346, UAE
- Correspondence: (A.S.); (R.R.B.); Tel.: +91-9966-014-374 (A.S.); +971-565646655 (R.R.B.)
| | - Kishor Palleapati
- Department of Pharmacognosy and Pharmaceutical Chemistry ASN Pharmacy College, Acharya Nagarjuna University, Tenali-522201, Andhra Pradesh, India; (K.P.); (V.K.)
| | | | - Venkata Kancharlapalli
- Department of Pharmacognosy and Pharmaceutical Chemistry ASN Pharmacy College, Acharya Nagarjuna University, Tenali-522201, Andhra Pradesh, India; (K.P.); (V.K.)
| | - Shahanaaz Shaik
- Department of Pharmaceutical Chemistry Victoria College of Pharmacy, Acharya Nagarjuna University, Nallapadu-522001, Guntur District, Andhra Pradesh, India;
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