1
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Arockiaraj M, Rajeshkumar V. Iodine-promoted sequential C(sp 3)-H oxidation and cyclization of aryl methyl ketones with 2-(2-aminophenyl)quinazolin-4(3 H)-ones. Org Biomol Chem 2024. [PMID: 39145634 DOI: 10.1039/d4ob01146e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
An I2-promoted, metal-free protocol has been developed for the one-pot synthesis of 6-aroyl-5,6-dihydro-8H-quinazolino[4,3-b]quinazolin-8-ones from readily accessible substrates. This reaction involves the in situ sp3 C-H oxidation of aryl methyl ketones to phenylglyoxal, followed by imine formation and intramolecular nucleophilic addition, resulting in the formation of two new C-N bonds. Furthermore, the method is applicable to a wide range of aryl methyl ketones, including heterocycles and drug-derived substrates, yielding the desired products with yields ranging from 62% to 93%. Additionally, the practical utility of this approach was demonstrated through gram-scale synthesis.
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Affiliation(s)
- Mariyaraj Arockiaraj
- Organic Synthesis & Catalysis Lab, Department of Chemistry, National Institute of Technology Warangal, Hanumakonda - 506004, Telangana, India.
| | - Venkatachalam Rajeshkumar
- Organic Synthesis & Catalysis Lab, Department of Chemistry, National Institute of Technology Warangal, Hanumakonda - 506004, Telangana, India.
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2
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Yadav S, Pandey A, Mali SN. From lab to nature: Recent advancements in the journey of gastroprotective agents from medicinal chemistry to phytotherapy. Eur J Med Chem 2024; 272:116436. [PMID: 38704935 DOI: 10.1016/j.ejmech.2024.116436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/15/2024] [Accepted: 04/17/2024] [Indexed: 05/07/2024]
Abstract
Peptic ulcer, affecting 10 % of the global population, results from imbalances in gastric juice pH and diminished mucosal defences. Key underlying factors are non-steroidal anti-inflammatory drugs (NSAIDs) and Helicobacter pylori infection, undermining mucosal resistance. Traditional treatments like proton pump inhibitors (PPIs) and histamine-2 (H2) receptor antagonists exhibit drawbacks such as adverse effects, relapses, and drug interactions. This review extensively explores the ethnomedicinal, synthetic and pharmacological facets of various potential peptic ulcer treatments. Rigorous methodologies involving electronic databases, and chemical structure verification via 'PubChem' and 'SciFinder' enhance the review's credibility. The provided information, spanning medicinal insights to intricate pharmacological mechanisms, establishes a robust groundwork for future research and the development of plant-derived or synthetic molecules for peptic ulcers, offering a promising alternative to conventional therapies.
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Affiliation(s)
- Susmita Yadav
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, 835215, India
| | - Anima Pandey
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, 835215, India
| | - Suraj N Mali
- School of Pharmacy, D.Y. Patil University (Deemed to be University), Sector 7, Nerul, Navi Mumbai, 400706, India.
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3
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Liu Y, Yang Q, Wang W, Fu Y, Ding Q, Peng Y. Visible-light-induced three-component reactions of α-diazoesters, quinazolinones and cyclic ethers toward quinazoline-based hybrids. Org Biomol Chem 2024; 22:4332-4346. [PMID: 38726656 DOI: 10.1039/d4ob00295d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
An effective approach for the construction of 4-short-chain ether attached carbonyl group-substituted quinazolines was developed. Visible-light-induced three-component reactions of α-diazoesters, quinazolinones, and cyclic ethers, with a broad substrate scope and excellent functional group tolerance, under extremely mild conditions without the need for any additional additives and catalysts, selectively led to quinazoline-based hybrids in good to excellent yields. The synthesized hybrids, which are a conglomeration of a quinazoline, a short-chain ether, and a carbonyl group in one molecular skeleton, have potential for application in the development of new drugs or drug candidates.
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Affiliation(s)
- Yan Liu
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Qin Yang
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Wei Wang
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Yang Fu
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Qiuping Ding
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Yiyuan Peng
- Key Laboratory for Green Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
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4
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Mhetre UV, Haval NB, Bondle GM, Rathod SS, Choudhari PB, Kumari J, Sriram D, Haval KP. Design, synthesis and molecular docking study of novel triazole-quinazolinone hybrids as antimalarial and antitubercular agents. Bioorg Med Chem Lett 2024; 108:129800. [PMID: 38763480 DOI: 10.1016/j.bmcl.2024.129800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/09/2024] [Accepted: 05/15/2024] [Indexed: 05/21/2024]
Abstract
In a quest to discover new antimalarial and antitubercular drugs, we have designed and synthesized a series of novel triazole-quinazolinone hybrids. The in vitro screening of the triazole-quinazolinone hybrid entities against the plasmodium species P. falciparum offered potent antimalarial molecules 6c, 6d, 6f, 6g, 6j & 6k owing comparable activity to the reference drugs. Furthermore, the target compounds were evaluated in vitro against Mycobacterium tuberculosis (MTB) H37Rv strain. Among the screened compounds, 6c, 6d and 6l were found to be the most active molecules with a MIC values of 19.57-40.68 μM. The cytotoxicity of the most active compounds was studied against RAW 264.7 cell line by MTT assay and no toxicity was observed. The computational study including drug likeness and ADMET profiling, DFT, and molecular docking study was done to explore the features of target molecules. The compounds 6a, 6g, and 6k exhibited highest binding affinity of -10.3 kcal/mol with docked molecular targets from M. tuberculosis. Molecular docking study indicates that all the molecules are binding to the falcipain 2 protease (PDB: 6SSZ) of the P. falciparum. Our findings indicated that these new triazole-quinazolinone hybrids may be considered hit molecules for further optimization studies.
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Affiliation(s)
- Udhav V Mhetre
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India
| | - Nitin B Haval
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004, MS, India
| | - Giribala M Bondle
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004, MS, India
| | - Sanket S Rathod
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth College of Pharmacy, Kolhapur 416013, MS, India
| | - Prafulla B Choudhari
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth College of Pharmacy, Kolhapur 416013, MS, India
| | - Jyothi Kumari
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet Mandal, R. R. District, Hyderabad 500078, India
| | - Dharmarajan Sriram
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet Mandal, R. R. District, Hyderabad 500078, India
| | - Kishan P Haval
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University SubCampus, Osmanabad 413501, MS, India.
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5
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Li H, Yu J, Yu G, Cheng S, Wu H, Wei J, You C, Liu K, Wang M, Meng X, Xu G, Luo H, Xu B. Design and synthesis of N-aryl-2-trifluoromethyl-quinazoline-4-amine derivatives as potential Werner-dependent antiproliferative agents. Mol Divers 2024:10.1007/s11030-024-10844-6. [PMID: 38739229 DOI: 10.1007/s11030-024-10844-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/08/2024] [Indexed: 05/14/2024]
Abstract
To discover new Werner (WRN) helicase inhibitors, a series of N-aryl-2-trifluoromethyl-quinazoline-4-amine derivatives were designed and synthesized through a structural optimization strategy, and the anticancer activities of 25 new target compounds against PC3, K562, and HeLa cell lines were evaluated by the MTT assay. Some of these compounds exhibited excellent inhibitory activity against three different cancer cell lines. Compounds 6a, 8i, and 13a showed better antiproliferative activity against K562 cells, with IC50 values of 3871.5, 613.6 and 134.7 nM, respectively, than did paclitaxel (35.6 nM), doxorubicin (2689.0 nM), and NSC 617145 (20.3 nM). To further verify whether the antiproliferative activity of these compounds is dependent on WRN, PC3 cells overexpressing WRN (PC3-WRN) were constructed to further study their antiproliferative potency in vitro, and the inhibition ratio and IC20 values showed that compounds 6a, 8i, and 13a were more sensitive to PC3-WRN than were the control group cells (PC3-NC). The IC20 ratios of compounds 6a, 8i, and 13a to PC3-NC and PC3-WRN were 94.3, 153.4 and 505.5, respectively. According to the docking results, the compounds 6a, 8i, and 13a overlapped well with the binding pocket of 6YHR. Further study demonstrated that among the tested compounds, 13a was the most sensitive to PC3-WRN. In summary, our research identified a series of N-aryl-2-trifluoromethyl-quinazoline-4-amine derivatives as potential WRN-dependent anticancer agents.
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Affiliation(s)
- Huimin Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang, 550025, China
| | - Jia Yu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
| | - Gang Yu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
| | - Sha Cheng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
| | - Hui Wu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
| | - Jiaomei Wei
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
| | - Chang You
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Kun Liu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
| | - Menghan Wang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Xueling Meng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China
| | - Guangcan Xu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China.
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China.
| | - Heng Luo
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China.
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China.
| | - Bixue Xu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China.
- Natural Products Research Center of Guizhou Province, Guiyang, 550014, China.
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6
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Zhang JK, Fang YC, Chen JH, Shan J, Bai M, Huang Q, Chen YZ, Han WY. Iodomethane in C1 chemistry: application in palladium-catalyzed [2 + 2 + 1] annulation. Org Biomol Chem 2024; 22:3204-3208. [PMID: 38563260 DOI: 10.1039/d4ob00329b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
An efficient palladium-catalyzed [2 + 2 + 1] annulation of 3-iodochromones, bridged olefins, and iodomethane is described, affording a range of chromone-containing polycyclic compounds. Additionally, the corresponding deuterated products were smoothly obtained with iodomethane-d3 instead of iodomethane. Moreover, the synthetic utility of this method is further substantiated by gram scale preparation and application to late-stage modification of estrone.
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Affiliation(s)
- Jin-Ke Zhang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, P. R. China.
| | - Yu-Chen Fang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, P. R. China.
- School of Chemistry & Chemical Engineering, Xinjiang Normal University, Urumqi 830054, P. R. China
| | - Jia-He Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, P. R. China.
| | - Jing Shan
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, P. R. China.
| | - Mei Bai
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, P. R. China.
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, P. R. China
| | - Qiang Huang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, P. R. China.
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, P. R. China
| | - Yong-Zheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, P. R. China.
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, P. R. China
| | - Wen-Yong Han
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, P. R. China.
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, P. R. China
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7
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Dai J, Battini N, Zang Z, Luo Y, Zhou C. Novel Thiazolylketenyl Quinazolinones as Potential Anti-MRSA Agents and Allosteric Modulator for PBP2a. Molecules 2023; 28:molecules28104240. [PMID: 37241983 DOI: 10.3390/molecules28104240] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Bacterial infections caused by methicillin-resistant Staphylococcus aureus have seriously threatened public health. There is an urgent need to propose an existing regimen to overcome multidrug resistance of MRSA. A unique class of novel anti-MRSA thiazolylketenyl quinazolinones (TQs) and their analogs were developed. Some synthesized compounds showed good bacteriostatic potency. Especially TQ 4 was found to exhibit excellent inhibition against MRSA with a low MIC of 0.5 μg/mL, which was 8-fold more effective than norfloxacin. The combination of TQ 4 with cefdinir showed stronger antibacterial potency. Further investigation revealed that TQ 4, with low hemolytic toxicity and low drug resistance, was not only able to inhibit biofilm formation but also could reduce MRSA metabolic activity and showed good drug-likeness. Mechanistic explorations revealed that TQ 4 could cause leakage of proteins by disrupting membrane integrity and block DNA replication by intercalated DNA. Furthermore, the synergistic antibacterial effect with cefdinir might be attributed to TQ 4 with the ability to induce PBP2a allosteric regulation of MRSA and further trigger the opening of the active site to promote the binding of cefdinir to the active site, thus inhibiting the expression of PBP2a, thereby overcoming MRSA resistance and significantly enhancing the anti-MRSA activity of cefdinir. A new strategy provided by these findings was that TQ 4, possessing both excellent anti-MRSA activity and allosteric effect of PBP2a, merited further development as a novel class of antibacterial agents to overcome increasingly severe MRSA infections.
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Affiliation(s)
- Jie Dai
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Narsaiah Battini
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zhonglin Zang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Yan Luo
- College of Pharmacy, National & Local Joint Engineering Research Center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Chenghe Zhou
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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8
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Huang JX, Zhu BL, Xu JP, Zhou ZZ. Advances in the development of phosphodiesterase 7 inhibitors. Eur J Med Chem 2023; 250:115194. [PMID: 36796299 DOI: 10.1016/j.ejmech.2023.115194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/02/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023]
Abstract
Phosphodiesterase 7 (PDE7) specifically hydrolyzes cyclic adenosine monophosphate (cAMP), a second messenger that plays essential roles in cell signaling and physiological processes. Many PDE7 inhibitors used to investigate the role of PDE7 have displayed efficacy in the treatment of a wide range of diseases, such as asthma and central nervous system (CNS) disorders. Although PDE7 inhibitors are developed more slowly than PDE4 inhibitors, there is increasing recognition of PDE7 inhibitors as potential therapeutics for no nausea and vomiting secondary. Herein, we summarized the advances in PDE7 inhibitors over the past decade, focusing on their crystal structures, key pharmacophores, subfamily selectivity, and therapeutic potential. Hopefully, this summary will lead to a better understanding of PDE7 inhibitors and provide strategies for developing novel therapies targeting PDE7.
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Affiliation(s)
- Jia-Xi Huang
- Innovation Program of Drug Research on Neurological and Metabolic Diseases, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Bo-Lin Zhu
- Innovation Program of Drug Research on Neurological and Metabolic Diseases, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Jiang-Ping Xu
- Innovation Program of Drug Research on Neurological and Metabolic Diseases, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Zhong-Zhen Zhou
- Innovation Program of Drug Research on Neurological and Metabolic Diseases, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, China; Pharmacy Department, Zhujiang Hospital, Southern Medical University, Guangzhou, 510515, China.
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9
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Peng X, Rahim A, Peng W, Jiang F, Gu Z, Wen S. Recent Progress in Cyclic Aryliodonium Chemistry: Syntheses and Applications. Chem Rev 2023; 123:1364-1416. [PMID: 36649301 PMCID: PMC9951228 DOI: 10.1021/acs.chemrev.2c00591] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Indexed: 01/18/2023]
Abstract
Hypervalent aryliodoumiums are intensively investigated as arylating agents. They are excellent surrogates to aryl halides, and moreover they exhibit better reactivity, which allows the corresponding arylation reactions to be performed under mild conditions. In the past decades, acyclic aryliodoniums are widely explored as arylation agents. However, the unmet need for acyclic aryliodoniums is the improvement of their notoriously low reaction economy because the coproduced aryl iodides during the arylation are often wasted. Cyclic aryliodoniums have their intrinsic advantage in terms of reaction economy, and they have started to receive considerable attention due to their valuable synthetic applications to initiate cascade reactions, which can enable the construction of complex structures, including polycycles with potential pharmaceutical and functional properties. Here, we are summarizing the recent advances made in the research field of cyclic aryliodoniums, including the nascent design of aryliodonium species and their synthetic applications. First, the general preparation of typical diphenyl iodoniums is described, followed by the construction of heterocyclic iodoniums and monoaryl iodoniums. Then, the initiated arylations coupled with subsequent domino reactions are summarized to construct polycycles. Meanwhile, the advances in cyclic aryliodoniums for building biaryls including axial atropisomers are discussed in a systematic manner. Finally, a very recent advance of cyclic aryliodoniums employed as halogen-bonding organocatalysts is described.
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Affiliation(s)
- Xiaopeng Peng
- College
of Pharmacy, Key Laboratory of Prevention and Treatment of Cardiovascular
and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province
Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, Gannan Medical University, Ganzhou341000, P.R. China
- State
Key Laboratory of Oncology in South China, Collaborative Innovation
Center for Cancer Medicine, Sun Yat-sen
University Cancer Center, 651 Dongfeng East Road, Guangzhou510060, P. R. China
| | - Abdur Rahim
- Department
of Chemistry, University of Science and
Technology of China, 96 Jinzhai Road, Hefei230026, P. R. China
| | - Weijie Peng
- College
of Pharmacy, Key Laboratory of Prevention and Treatment of Cardiovascular
and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province
Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, Gannan Medical University, Ganzhou341000, P.R. China
| | - Feng Jiang
- College
of Pharmacy, Key Laboratory of Prevention and Treatment of Cardiovascular
and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province
Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, Gannan Medical University, Ganzhou341000, P.R. China
| | - Zhenhua Gu
- Department
of Chemistry, University of Science and
Technology of China, 96 Jinzhai Road, Hefei230026, P. R. China
| | - Shijun Wen
- State
Key Laboratory of Oncology in South China, Collaborative Innovation
Center for Cancer Medicine, Sun Yat-sen
University Cancer Center, 651 Dongfeng East Road, Guangzhou510060, P. R. China
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10
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Bayazeed A, Althumayri K, Abu-Melha S, Alsoliemy A, Alnoman RB, Qurban J, El-Metwaly NM. Synthesis, Molecular Modeling, and Antioxidant Activity of New Thiadiazole-Triazole Analogs Hybridized with Thiophene. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2023. [DOI: 10.1007/s13369-022-07572-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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11
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Synthesis, molecular modeling and antioxidant activity of new thiadiazolyl-triazole analogues. JOURNAL OF SAUDI CHEMICAL SOCIETY 2023. [DOI: 10.1016/j.jscs.2022.101596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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12
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Akbari A, Zahedifar M. Synthesis of Quinazolin-4(3H)-ones via a novel approach. JOURNAL OF SAUDI CHEMICAL SOCIETY 2023. [DOI: 10.1016/j.jscs.2023.101597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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13
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Wang FC, Peng B, Ren TT, Liu SP, Du JR, Chen ZH, Zhang TT, Gu X, Li M, Cao SL, Xu X. A 1,2,3-Triazole Derivative of Quinazoline Exhibits Antitumor Activity by Tethering RNF168 to SQSTM1/P62. J Med Chem 2022; 65:15028-15047. [DOI: 10.1021/acs.jmedchem.2c00432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Fu-Cheng Wang
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, International Cancer Center, and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, PR China
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong 518060, PR China
| | - Bin Peng
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, International Cancer Center, and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, PR China
| | - Ting-Ting Ren
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Shao-Peng Liu
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Jing-Rui Du
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Zi-Hao Chen
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Ting-Ting Zhang
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Xiaoyang Gu
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 10091, PR China
| | - Mo Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 10091, PR China
| | - Sheng-Li Cao
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Xingzhi Xu
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, International Cancer Center, and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, PR China
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14
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Wang X, Chai J, Gu Y, Zhang D, Meng F, Si X, Yang C, Xue W. Expedient Discovery for Novel Antifungal Leads Inhibiting Fusarium graminearum: 3-(Phenylamino)quinazolin-4(3 H)-ones Deriving from Systematic Optimizations on a Tryptanthrin Structure. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:13165-13175. [PMID: 36194787 DOI: 10.1021/acs.jafc.2c04933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The ever-increasing resistance of Fusarium graminearum has emerged as a pressing agricultural issue that could be settled by developing novel fungicides owning inimitable action mechanisms. With the aim of discovering novel antifungal leads inhibiting F. graminearum, a tryptanthrin structure was dexterously optimized to generate 30 novel quinazolin-4(3H)-one derivatives. The aforementioned optimization generated the molecule C17 that owned exhilarating in vitro anti-F. graminearum effect (EC50 value = 0.76 μg/mL). Whereafter, the in vivo anti-F. graminearum preventative efficacy of the molecule C17 was measured to be 59.5% at 200 μg/mL, which was approximately comparable with that of carbendazim (64.9%). Furthermore, morphological observations indicated that the molecule C17 could cause the hypha to become slender and dense, distort the outline of cell walls, induce an increase in liposome numbers, and cause the reduction of mitochondria numbers. The above results have emerged as an obbligato complement for developing novel antifungal leads that could effectively control Fusarium head blight.
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Affiliation(s)
- Xiaobin Wang
- College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Jianqi Chai
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yifei Gu
- College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Di Zhang
- College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Fei Meng
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Xinxin Si
- College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Chunlong Yang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Wei Xue
- Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
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15
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Design and synthesis of novel quinazolinyl-bisspirooxindoles as potent anti-tubercular agents: an ultrasound-promoted methodology. Mol Divers 2022:10.1007/s11030-022-10500-x. [PMID: 35933454 DOI: 10.1007/s11030-022-10500-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 07/14/2022] [Indexed: 10/15/2022]
Abstract
The essential need for the potent anti-tubercular (anti-TB) agents with high selectivity and safety profile prompted us to synthesize a new series of quinazolinyl-bisspirooxindoles. The title compounds were synthesized by one-pot multicomponent [3 + 2] cycloaddition reaction under ultrasonication. Further, in vitro anti-TB activity was evaluated against Mycobacterium tuberculosis H37Rv. Among the screened compounds, two compounds (4q and 4x) showed potent activity with MIC value 1.56 µg/mL and four compounds exhibited significant activity (MIC = 3.125 µg/mL), and also cytotoxicity studies against RAW 264.7 cell lines reveal that most active compounds were less toxic to humans. In addition, in order to demonstrate the inhibitory properties, molecular docking studies were carried out and the results showed that the target compounds have good binding energy and better binding affinity within the active pocket, thus these compounds may consider to be as potent inhibitors toward selective targets.
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16
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Wu Q, Deng Z, Xie D, Liu Y, Yang Q, Fu Y, Peng Y. Aminothiolation of 2-(2-bromophenyl)quinazolinones with elemental sulfur to access 7H-benzo[4,5]isothiazolo[3,2-b]quinazolinones through C–S/S–N bond formation under metal-free condition. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Kang S, Li J, Yang Q, Song Z, Peng Y. Rh(III)‐Catalyzed C‐H Activation of 2‐Aryl Quinazolinones and Coupling with 2‐Carboxyl Allylic Alcohols for the Synthesis of β‐Aryl Ketone Substituted Quinazolinones. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Shaodong Kang
- Jiangxi Normal University Yaohu Campus: Jiangxi Normal University chemistry CHINA
| | - Jiaxing Li
- Jiangxi Normal University Yaohu Campus: Jiangxi Normal University chemistry CHINA
| | - Qin Yang
- Jiangxi Normal University Yaohu Campus: Jiangxi Normal University Life college CHINA
| | - Zhibin Song
- Jiangxi Normal University Yaohu Campus: Jiangxi Normal University chemistry CHINA
| | - Yiyuan Peng
- jiangxi normal university chemistry 99 ziyang road 330022 NanChang CHINA
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18
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DMSO as C1 source under metal‐and oxidant‐free conditions: NH4SCN mediated synthesis of quinazolinone and dihydroquinazolin‐4(1H)‐one derivatives. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Sarkate AP, Sarode PP, Bhandari SV, Karnik KS, Narula IS, Kale BD, Jambhorkar VS, Rajhans AP. Convenient Microwave-Assisted Chlorosulfonic Acid-Catalyzed Synthesis of Some Quinazolinones from 2-Phenylindole. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s107042802203023x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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20
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Zhu S, Chen X, Chen W, Ma Q, Li M, Fan W, Zhang J, Guo L. Multicomponent synthesis of novel β-carboline-fused imidazolium derivatives via the Mannich reaction: cytotoxicity, molecular docking, and mechanistic studies as angiogenesis inhibitors. NEW J CHEM 2022. [DOI: 10.1039/d1nj05471f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Herein we report novel multicomponent reactions for the synthesis of β-carboline-fused imidazolium derivatives via the Mannich-type reaction.
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Affiliation(s)
- Siyu Zhu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of XinJiang Bingtuan, Shihezi University, Shihezi, China
| | - Xiaofei Chen
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of XinJiang Bingtuan, Shihezi University, Shihezi, China
| | - Wei Chen
- XinJiang Huashidan Pharmaceutical Research Co. Ltd., Urumqi, China
| | - Qin Ma
- XinJiang Huashidan Pharmaceutical Research Co. Ltd., Urumqi, China
| | - Meng Li
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of XinJiang Bingtuan, Shihezi University, Shihezi, China
| | - Wenxi Fan
- XinJiang Huashidan Pharmaceutical Research Co. Ltd., Urumqi, China
| | - Jie Zhang
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of XinJiang Bingtuan, Shihezi University, Shihezi, China
| | - Liang Guo
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of XinJiang Bingtuan, Shihezi University, Shihezi, China
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21
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Hassan RM, Ali IH, Abdel-Maksoud MS, Abdallah HMI, El Kerdawy AM, Sciandra F, Ghannam IAY. Design and synthesis of novel quinazolinone-based fibrates as PPARα agonists with antihyperlipidemic activity. Arch Pharm (Weinheim) 2021; 355:e2100399. [PMID: 34958132 DOI: 10.1002/ardp.202100399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/05/2021] [Accepted: 12/06/2021] [Indexed: 11/11/2022]
Abstract
Aiming to discover new antihyperlipidemic agents, a new set of quinazolinone-fibrate hybrids 9a-r bearing the essential features for peroxisome proliferator-activated receptor-α (PPARα) agonistic activity was synthesized and the structures were confirmed by different spectral data. All the target compounds were screened for their PPARα agonistic activity. Compounds 9o and 9q exhibited potent activity, with EC50 values better than that of fenofibrate by 8.7- and 27-fold, respectively. Molecular docking investigations were performed for all the newly synthesized compounds in the active site of the PPARα receptor to study their interactions and energies in the receptor. Moreover, the antihyperlipidemic and antioxidant activities of compounds 9o and 9q were determined using Triton WR-1339-induced hyperlipidemic rats. Compound 9q exhibited effective hypolipidemic activity in a dose-dependent manner, where it significantly reduced the serum levels of total cholesterol, triglycerides, low-density lipoprotein cholesterol, and very-low-density lipoprotein cholesterol and increased the level of high-density lipoprotein cholesterol. Furthermore, it possesses a powerful antioxidant profile where it significantly elevated the levels of reduced glutathione as well as the total antioxidant capacity and significantly decreased the malondialdehyde level. The histopathological studies revealed that compound 9q improved the aortic architecture and hepatic steatosis. These findings support that compound 9q could be a promising lead compound for the development of new antihyperlipidemic agents.
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Affiliation(s)
- Rasha M Hassan
- Medicinal and Pharmaceutical Chemistry Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Islam H Ali
- Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Dokki, Cairo, Egypt
| | - Mohammed S Abdel-Maksoud
- Medicinal and Pharmaceutical Chemistry Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Heba M I Abdallah
- Pharmacology Department, Medical Research and Clinical Studies Institute, National Research Centre, Dokki, Cairo, Egypt
| | - Ahmed M El Kerdawy
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt.,Department of Organic and Pharmaceutical Chemistry, School of Pharmacy, Newgiza University (NGU), Newgiza, Cairo, Egypt
| | - Francesca Sciandra
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta"-SCITEC (CNR) Sede di Roma, Roma, Italy
| | - Iman A Y Ghannam
- Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Dokki, Cairo, Egypt
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22
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Sun B, Tang X, Shi R, Yan Z, Li B, Tang C, Jin C, Wu CL, Shen RP. Self‐photocatalyzed Homolytic Dehalogenative Alkylation/Cyclization of Unactivated Alkenes Based on the Quinazolinone Skeleton via Energy Transfer. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100606] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Bin Sun
- Collaborative Innovation Centre of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology Hangzhou 310032 P. R. China
| | - Xiaoli Tang
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310032 P. R. China
| | - Rongcheng Shi
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310032 P. R. China
| | - Zhiyang Yan
- Collaborative Innovation Centre of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology Hangzhou 310032 P. R. China
| | - Bingqian Li
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310032 P. R. China
| | - Chen Tang
- Collaborative Innovation Centre of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology Hangzhou 310032 P. R. China
| | - Can Jin
- Collaborative Innovation Centre of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology Hangzhou 310032 P. R. China
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310032 P. R. China
| | - Chunlei L. Wu
- Zhejiang Engineering Research Center of Fat-soluble Vitamin Shaoxing University Shaoxing 312000 P. R. China
| | - Runpu P. Shen
- Zhejiang Engineering Research Center of Fat-soluble Vitamin Shaoxing University Shaoxing 312000 P. R. China
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23
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Deng Y, Mu H, Li HB, Fu LZ, Tang D, Wu T, Huang SH, Li CH. In Vitro Anti-Toxoplasma gondii Activity Evaluation of a New Series of Quinazolin-4(3H)-one Derivatives. Chem Biodivers 2021; 18:e2100687. [PMID: 34726832 DOI: 10.1002/cbdv.202100687] [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] [Received: 08/23/2021] [Accepted: 11/01/2021] [Indexed: 12/27/2022]
Abstract
Toxoplasmosis post serious threaten to human health, leading to severely eye and brain disease, especially for immunocompromised patients and pregnant women. The multiple side effects and long dosing period of current main treatment regiments calls for high effective and low toxicity anti-toxoplasmosis drugs. Herein, we report our efforts to synthesize a series of 2-(piperazin-1-yl)quinazolin-4(3H)-one derivatives and investigate their activity against Toxoplasma gondii tachyzoites in vitro based on cell phenotype screening. Among the 26 compounds, 8w and 8x with diaryl ether moiety at the side chain of piperazine exhibited good efficacy to inhibit T. gondii, with IC50 values of 4 μM and 3 μM, respectively. Structure-activity relationship (SAR) studies implies that hydrophobic aryl at the side chain would be preferred for improvement of activity. Molecular docking study reveals these two compounds appeared high affinity to TgCDPK1 by interaction with the hydrophobic pocket of ATP-binding cleft.
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Affiliation(s)
- Yu Deng
- Institute of Veterinary Sciences & Pharmaceuticals, Chongqing Academy of Animal Sciences, 51 Changlong Avenue, Rongchang District, 402460, China
| | - Hao Mu
- Institute of Veterinary Sciences & Pharmaceuticals, Chongqing Academy of Animal Sciences, 51 Changlong Avenue, Rongchang District, 402460, China
| | - Hong-Bo Li
- Chengdu Hyperway Pharmaceuticals Co., Ltd., Chengdu, China
| | - Li-Zhi Fu
- Institute of Veterinary Sciences & Pharmaceuticals, Chongqing Academy of Animal Sciences, 51 Changlong Avenue, Rongchang District, 402460, China
| | - Da Tang
- Institute of Veterinary Sciences & Pharmaceuticals, Chongqing Academy of Animal Sciences, 51 Changlong Avenue, Rongchang District, 402460, China
| | - Tao Wu
- Institute of Veterinary Sciences & Pharmaceuticals, Chongqing Academy of Animal Sciences, 51 Changlong Avenue, Rongchang District, 402460, China
| | - Shu-Heng Huang
- College of Bioengineering, Chongqing University, Chongqing, China
| | - Cheng-Hong Li
- Institute of Veterinary Sciences & Pharmaceuticals, Chongqing Academy of Animal Sciences, 51 Changlong Avenue, Rongchang District, 402460, China
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24
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Wang J, Ansari MF, Zhou CH. Identification of Unique Quinazolone Thiazoles as Novel Structural Scaffolds for Potential Gram-Negative Bacterial Conquerors. J Med Chem 2021; 64:7630-7645. [PMID: 34009979 DOI: 10.1021/acs.jmedchem.1c00334] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A class of quinazolone thiazoles was identified as new structural scaffolds for potential antibacterial conquerors to tackle dreadful resistance. Some prepared compounds exhibited favorable bacteriostatic efficiencies on tested bacteria, and the most representative 5j featuring the 4-trifluoromethylphenyl group possessed superior performances against Escherichia coli and Pseudomonas aeruginosa to norfloxacin. Further studies revealed that 5j with inappreciable hemolysis could hinder the formation of bacterial biofilms and trigger reactive oxygen species generation, which could take responsibility for emerging low resistance. Subsequent paralleled exploration discovered that 5j not only disintegrated outer and inner membranes to induce leakage of cytoplasmic contents but also broke the metabolism by suppressing dehydrogenase. Meanwhile, derivative 5j could intercalate into DNA to exert powerful antibacterial properties. Moreover, compound 5j gave synergistic effects against some Gram-negative bacteria in combination with norfloxacin. These findings indicated that this novel structural type of quinazolone thiazoles showed therapeutic foreground in struggling with Gram-negative bacterial infections.
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Affiliation(s)
- Jie Wang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Mohammad Fawad Ansari
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Cheng-He Zhou
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
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