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Patel G, Maurya RK, Tyagi S, Kant R, Yadav PP. PIDA‐Mediated Intramolecular N‐N Bond Formation to Access 2‐Aminoindazoles and 2,2′‐Biindazoles**. ChemistrySelect 2022. [DOI: 10.1002/slct.202201112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Girija Patel
- Medicinal and Process Chemistry CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific & Innovative Research Ghaziabad 201002 India
| | - Rahul K. Maurya
- Medicinal and Process Chemistry CSIR-Central Drug Research Institute Lucknow 226031 India
| | - Shaifali Tyagi
- Medicinal and Process Chemistry CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific & Innovative Research Ghaziabad 201002 India
| | - Ruchir Kant
- Molecular and Structural Biology CSIR-Central Drug Research Institute Lucknow 226031 India
| | - Prem P. Yadav
- Medicinal and Process Chemistry CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific & Innovative Research Ghaziabad 201002 India
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2
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Li D, Zhang W, Zhu L, Yin S, Kambe N, Qiu R. FeO(OH)@C-Catalyzed Selective Hydrazine Substitution of p-Nitro-Aryl Fluorides and their Application for the Synthesis of Phthalazinones. ChemistryOpen 2022; 11:e202200023. [PMID: 35585033 PMCID: PMC9117154 DOI: 10.1002/open.202200023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/08/2022] [Indexed: 11/21/2022] Open
Abstract
An efficient hydrazine substitution of p-nitro-aryl fluorides with hydrazine hydrates catalyzed by FeO(OH)@C nanoparticles is described. This hydrazine substitutions of p-nitro-aryl fluorides bearing electron-withdrawing groups proceeded efficiently with high yield and selectivity. Similarly, hydrogenations of p-nitro-aryl fluorides containing electron-donating groups also smoothly proceeded under mild conditions. Furthermore, with these prepared aryl hydrazines, some phthalazinones, interesting as potential structures for pharmaceuticals, have successfully been synthesized in high yields.
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Affiliation(s)
- Dingzhong Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical EngineeringHunan UniversityChangsha410082P. R. China
| | - Wensheng Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical EngineeringHunan UniversityChangsha410082P. R. China
| | - Longzhi Zhu
- Center for Biomedical Optics and Photonics (CBOP) & College of Physics and Optoelectronic Engineering, Key Lab of Optoelectronics Devices and systems of Ministry of Education/Guangdong ProvinceShenzhen UniversityShenzhen518060P. R. China
| | - Shuang‐Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical EngineeringHunan UniversityChangsha410082P. R. China
| | - Nobuaki Kambe
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical EngineeringHunan UniversityChangsha410082P. R. China
| | - Renhua Qiu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical EngineeringHunan UniversityChangsha410082P. R. China
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3
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Kang K, Loud NL, DiBenedetto TA, Weix DJ. A General, Multimetallic Cross-Ullmann Biheteroaryl Synthesis from Heteroaryl Halides and Heteroaryl Triflates. J Am Chem Soc 2021; 143:21484-21491. [PMID: 34918908 PMCID: PMC9007723 DOI: 10.1021/jacs.1c10907] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Despite their importance to medicine and materials science, the synthesis of biheteroaryls by cross-coupling remains challenging. We describe here a new, general approach to biheteroaryls: the Ni- and Pd-catalyzed multimetallic cross-Ullmann coupling of heteroaryl halides with triflates. An array of 5-membered, 6-membered, and fused heteroaryl bromides and chlorides, as well as aryl triflates derived from heterocyclic phenols, proved to be viable substrates in this reaction (62 examples, 63 ± 17% average yield). The generality of this approach to biheteroaryls was further demonstrated in 96-well plate format at 10 μmol scale. An array of 96 possible products provided >90% hit rate under a single set of conditions. Further, low-yielding combinations could be rapidly optimized with a single "Toolbox Plate" of ligands, additives, and reductants.
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Affiliation(s)
- Kai Kang
- University of Wisconsin-Madison, Madison, WI 53706, USA
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4
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Pathania S, Pentikäinen OT, Singh PK. A holistic view on c-Kit in cancer: Structure, signaling, pathophysiology and its inhibitors. Biochim Biophys Acta Rev Cancer 2021; 1876:188631. [PMID: 34606974 DOI: 10.1016/j.bbcan.2021.188631] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/08/2021] [Accepted: 09/28/2021] [Indexed: 11/18/2022]
Abstract
Receptor tyrosine kinases play an important role in many cellular processes, and their dysregulation leads to diseases, most importantly cancer. One such receptor tyrosine kinase is c-Kit, a type-III receptor tyrosine kinase, which is involved in various intracellular signaling pathways. The role of different mutant isoforms of c-Kit has been established in several types of cancers. Accordingly, promising c-Kit inhibition results have been reported for the treatment of different cancers (e.g., gastrointestinal stromal tumors, melanoma, acute myeloid leukemia, and other tumors). Therefore, lots of effort has been put to target c-Kit for the treatment of cancer. Here, we provide a comprehensive compilation to provide an insight into c-Kit inhibitor discovery. This compilation provides key information regarding the structure, signaling pathways related to c-Kit, and, more importantly, pharmacophores, binding modes, and SAR analysis for almost all small-molecule heterocycles reported for their c-Kit inhibitory activity. This work could be used as a guide in understanding the basic requirements for targeting c-Kit, and how the selectivity and efficacy of the molecules have been achieved till today.
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Affiliation(s)
- Shelly Pathania
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, Ferozpur G.T. Road, Moga 142001, Punjab, India
| | - Olli T Pentikäinen
- Integrative Physiology and Pharmacology, Institute of Biomedicine, Faculty of Medicine, University of Turku, FI-20520 Turku, Finland
| | - Pankaj Kumar Singh
- Integrative Physiology and Pharmacology, Institute of Biomedicine, Faculty of Medicine, University of Turku, FI-20520 Turku, Finland.
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5
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Toviwek B, Phuangsawai O, Konsue A, Hannongbua S, Riley J, Mutter N, Anderson M, Webster L, Hallyburton I, Read KD, Gleeson MP. Preparation, biological & cheminformatics-based assessment of N 2,N 4-diphenylpyrimidine-2,4-diamine as potential Kinase-targeted antimalarials. Bioorg Med Chem 2021; 46:116348. [PMID: 34479064 DOI: 10.1016/j.bmc.2021.116348] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/21/2021] [Accepted: 07/30/2021] [Indexed: 11/25/2022]
Abstract
Twenty eight new N2,N4-diphenylpyrimidine-2,4-diamines have been prepared in order to expand our understanding of the anti-malarial SAR of the scaffold. The aim of the study was to make structural modifications to improve the overall potency, selectivity and solubility of the series by varying the anilino groups attached to the 2- and 4-position. We evaluated the activity of the compounds against Plasmodium falciparum (Pf) 3D7, cytotoxicity against HepG2, % inhibition at a panel of 10 human kinases, solubility, permeability and lipophilicity, and human and rat in vitro clearance. 11 was identified as a potent anti-malarial with an IC50 of 0.66 µM at the 3D7 strain and a selectivity (SI) of ~ 40 in terms of cytotoxicity against the HepG2 cell line. It also displayed low experimental logD7.4 (2.27), reasonable solubility (124 µg/ml), good metabolic stability, but low permeability. A proteo-chemometric workflow was employed to identify putative Pf targets of the most promising compounds. Ligand-based similarity searching of the ChEMBL database led to the identification of most probable human targets. These were then used as input for sequence-based searching of the Pf proteome. Homology modelling and molecular docking were used to evaluate whether compounds could indeed bind to these targets with valid binding modes. In vitro biological testing against close human analogs of these targets was subsequently undertaken. This allowed us to identify potential Pf targets and human anti-targets that could be exploited in future development.
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Affiliation(s)
- Borvornwat Toviwek
- Department of Biomedical Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand; Department of Chemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Oraphan Phuangsawai
- Department of Chemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Adchatawut Konsue
- Department of Biomedical Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Supa Hannongbua
- Department of Chemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Jennifer Riley
- Drug Discovery Unit, Divison of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Nicole Mutter
- Drug Discovery Unit, Divison of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Mark Anderson
- Drug Discovery Unit, Divison of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Lauren Webster
- Drug Discovery Unit, Divison of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Irene Hallyburton
- Drug Discovery Unit, Divison of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Kevin D Read
- Drug Discovery Unit, Divison of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - M Paul Gleeson
- Department of Biomedical Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand.
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Guo T, Ma S. Recent Advances in the Discovery of Multitargeted Tyrosine Kinase Inhibitors as Anticancer Agents. ChemMedChem 2020; 16:600-620. [PMID: 33179854 DOI: 10.1002/cmdc.202000658] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/28/2020] [Indexed: 12/18/2022]
Abstract
The treatment of cancer has been one of the most significant challenges for the medical field. Further research on the signal transduction pathway of tumor cells is driving the rapid development of antitumor agents targeting tyrosine kinases. However, most of the currently approved tyrosine kinase inhibitors based on the "single target/single drug" design are becoming less and less effective in the treatment of complex, heterogeneous, and multigenic cancers; this also results in resistance to chemotherapy. In contrast, multitargeted tyrosine kinase inhibitors (MT-TKIs) can effectively block multiple pathways of intracellular signal transduction. Therefore, they have therapeutic advantages over single-targeted inhibitors and have become a hotspot in antitumor drug research in recent years. This minireview summarizes recent advances in the discovery of MT-TKIs based on their chemical structures. In particular, we describe the kinase inhibitory and antitumor activity of promising compounds, as well as their structure - activity relationships (SARs).
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Affiliation(s)
- Ting Guo
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, West Wenhua Road 44, Jinan, 250012, P. R. China
| | - Shutao Ma
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, West Wenhua Road 44, Jinan, 250012, P. R. China
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7
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Affiliation(s)
| | | | - Viesturs Lu̅sis
- Latvian Institute of Organic Synthesis, Riga, LV 1006, Latvia
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8
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Abstract
9-Dimethyloxonium, 10-dimethyloxonium, 9-methoxy and 10-methoxy derivatives of nido-carborane (9-Me2O-7,8-C2B9H11, 10-Me2O-7,8-C2B9H11, [9-MeO-7,8-C2B9H11]−, and [10-MeO-7,8-C2B9H11]−, respectively) were prepared by the reaction of the parent nido-carborane [7,8-C2B9H12]− with mercury(II) chloride in a mixture of benzene and dimethoxymethane. Reactions of the 9 and 10-dimethyloxonium derivatives with triethylamine, pyridine, and 3-methyl-6-nitro-1H-indazole result in their N-methylation with the formation of the corresponding salts with 9 and 10-methoxy-nido-carborane anions. The reaction of the symmetrical methoxy derivative [10-MeO-7,8-C2B9H11]− with anhydrous FeCl2 in tetrahydrofuran in the presence of t-BuOK results in the corresponding paramagnetic iron bis(dicarbollide) complex [8,8′-(MeO)2-3,3′-Fe(1,2-C2B9H10)2]−, whereas the similar reactions of the asymmetrical methoxy derivative [9-MeO-7,8-C2B9H11]− with FeCl2 and CoCl2 presumably produce the 4,7′-isomers [4,7′-(MeO)2-3,3′-M(1,2-C2B9H10)2]− (M = Fe, Co) rather than a mixture of rac-4,7′- and meso-4,4′-isomers.
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Ji XH, Jin LX, Zhao CB, Zheng N, Song J, Ge HG, Liu Q, Lu JF. Synthesis, Crystal Structure and Antitumour Activity of 3-Amino-N-[4-chloro-3-(Trifluoromethyl)Phenyl]-4-Morpholino-1H-Indazole-1-Carboxamide. JOURNAL OF CHEMICAL RESEARCH 2018. [DOI: 10.3184/174751918x15380423621264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Compound 3-amino-N-[4-chloro-3-(trifluoromethyl)phenyl]-4-morpholino-1H-indazole-1-carboxamide has been synthesised by condensation of 1-chloro-4-isocyanato-2-(trifluoromethyl)benzene with 4-morpholino-1H-indazol-3-amine, which was prepared from 2,6-difluorobenzonitrile by amination with morpholine and then cyclisation with hydrazine hydrate. The crystal structure of the title compound was determined. In addition, the compound possesses a distinct inhibitory capacity against proliferation of the A549 and BGC-823 cancer cell lines.
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Affiliation(s)
- Xiao-hui Ji
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application, College of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong 723001, P.R. China
| | - Ling-xia Jin
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application, College of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong 723001, P.R. China
| | - Cai-bin Zhao
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application, College of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong 723001, P.R. China
| | - Nan Zheng
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application, College of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong 723001, P.R. China
| | - Juan Song
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application, College of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong 723001, P.R. China
| | - Hong-guang Ge
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application, College of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong 723001, P.R. China
| | - Quan Liu
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application, College of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong 723001, P.R. China
| | - Jiu-fu Lu
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application, College of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong 723001, P.R. China
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10
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Dong J, Zhang Q, Wang Z, Huang G, Li S. Recent Advances in the Development of Indazole-based Anticancer Agents. ChemMedChem 2018; 13:1490-1507. [PMID: 29863292 DOI: 10.1002/cmdc.201800253] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 05/25/2018] [Indexed: 12/20/2022]
Abstract
Cancer is one of the leading causes of human mortality globally; therefore, intensive efforts have been made to seek new active drugs with improved anticancer efficacy. Indazole-containing derivatives are endowed with a broad range of biological properties, including anti-inflammatory, antimicrobial, anti-HIV, antihypertensive, and anticancer activities. In recent years, the development of anticancer drugs has given rise to a wide range of indazole derivatives, some of which exhibit outstanding activity against various tumor types. The aim of this review is to outline recent developments concerning the anticancer activity of indazole derivatives, as well as to summarize the design strategies and structure-activity relationships of these compounds.
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Affiliation(s)
- Jinyun Dong
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, China
| | - Qijing Zhang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, China
| | - Zengtao Wang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, China
| | - Guang Huang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, China
| | - Shaoshun Li
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, China
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11
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Hao XC, Lu JF, Chen Y, Wang Y, Ding S, Liu J. Synthesis, Crystal Structure and Antitumour Activity of 3-Amino-N-(5-Fluoro-2-Methylphenyl)-4-Morpholino-1H-Indazole-1-Carboxamide. JOURNAL OF CHEMICAL RESEARCH 2017. [DOI: 10.3184/174751917x15065183733178] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Compound 3-amino- N-(5-fluoro-2-methylphenyl)-4-morpholino-1 H-indazole-1-carboxamide has been synthesised by condensation of 4-fluoro-2-isocyanato-1-methylbenzene with 4-morpholino-1 H-indazol-3-amine, which was prepared from 2,6-difluorobenzonitrile by amination with morpholine and then cyclisation with hydrazine hydrate. The crystal structure of the title compound was determined. In addition, the compound inhibits proliferation of some cancer cell lines.
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Affiliation(s)
- Xue-chen Hao
- College of Pharmacy of Liaoning University, Key Laboratory of New Drug Research and Development of Liaoning Province, Shenyang 110036, P.R. China
| | - Jiu-fu Lu
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application, College of Chemical and Environment Science, Shaanxi University of Technology, Hanzhong 723001, P.R. China
| | - Ye Chen
- College of Pharmacy of Liaoning University, Key Laboratory of New Drug Research and Development of Liaoning Province, Shenyang 110036, P.R. China
| | - Yang Wang
- College of Pharmacy of Liaoning University, Key Laboratory of New Drug Research and Development of Liaoning Province, Shenyang 110036, P.R. China
| | - Shi Ding
- College of Pharmacy of Liaoning University, Key Laboratory of New Drug Research and Development of Liaoning Province, Shenyang 110036, P.R. China
| | - Ju Liu
- College of Pharmacy of Liaoning University, Key Laboratory of New Drug Research and Development of Liaoning Province, Shenyang 110036, P.R. China
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Koroleva EV, Ignatovich ZI, Sinyutich YV, Gusak KN. Aminopyrimidine derivatives as protein kinases inhibitors. Molecular design, synthesis, and biologic activity. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2016. [DOI: 10.1134/s1070428016020019] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Elsayed NMY, Abou El Ella DA, Serya RAT, Tolba MF, Shalaby R, Abouzid KAM. Design, synthesis and biological evaluation of indazole–pyrimidine based derivatives as anticancer agents with anti-angiogenic and antiproliferative activities. MEDCHEMCOMM 2016. [DOI: 10.1039/c5md00602c] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three series of novel indazole–pyrimidine based compounds were designed, synthesized and biologically evaluated as VEGFR-2 kinase inhibitors.
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Affiliation(s)
- Nevine M. Y. Elsayed
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Ain Shams University
- Abbassia
- Egypt
| | - Dalal A. Abou El Ella
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Ain Shams University
- Abbassia
- Egypt
| | - Rabah A. T. Serya
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Ain Shams University
- Abbassia
- Egypt
| | - Mai F. Tolba
- Pharmacology and Toxicology Department
- Faculty of Pharmacy
- Ain Shams University
- Abbassia
- Egypt
| | - Raed Shalaby
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Ain Shams University
- Abbassia
- Egypt
| | - Khaled A. M. Abouzid
- Pharmaceutical Chemistry Department
- Faculty of Pharmacy
- Ain Shams University
- Abbassia
- Egypt
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14
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Song J, Yoo J, Kwon A, Kim D, Nguyen HK, Lee BY, Suh W, Min KH. Structure-Activity Relationship of Indole-Tethered Pyrimidine Derivatives that Concurrently Inhibit Epidermal Growth Factor Receptor and Other Angiokinases. PLoS One 2015; 10:e0138823. [PMID: 26401847 PMCID: PMC4581874 DOI: 10.1371/journal.pone.0138823] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 09/03/2015] [Indexed: 11/18/2022] Open
Abstract
Antiangiogenic agents have been widely investigated in combination with standard chemotherapy or targeted cancer agents for better management of advanced cancers. Therapeutic agents that concurrently inhibit epidermal growth factor receptor and other angiokinases could be useful alternatives to combination therapies for epidermal growth factor receptor-dependent cancers. Here, we report the synthesis of an indole derivative of pazopanib using a bioisosteric replacement strategy, which was designated MKP101. MKP101 inhibited not only the epidermal growth factor receptor with an IC50 value of 43 nM but also inhibited angiokinases as potently as pazopanib. In addition, MKP101 effectively inhibited vascular endothelial growth factor-induced endothelial proliferation, tube formation, migration of human umbilical vein endothelial cells and proliferation of HCC827, an epidermal growth factor receptor-addicted cancer cell line. A docking model of MKP101 and the kinase domain of the epidermal growth factor receptor was generated to predict its binding mode, and validated by synthesizing and evaluating MKP101 derivatives. Additionally, a study of structure-activity relationships of indolylamino or indolyloxy pyrimidine analogues derived from MKP101 demonstrated that selectivity for epidermal growth factor receptor and other angiokinases, especially vascular endothelial growth factor receptor 2 depends on the position of substituents on pyrimidine and the type of link between pyrimidine and the indole moiety. We believe that this study could provide a basis for developing angiokinase inhibitors having high affinity for the epidermal growth factor receptor, from the pyrimidine scaffold.
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Affiliation(s)
- Jiho Song
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
| | - Jakyung Yoo
- Life Science Research Institute, Daewoong Pharmaceutical Co., Ltd., Gyeonggi-Do, Republic of Korea
| | - Ara Kwon
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
| | - Doran Kim
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
| | | | - Bong-Yong Lee
- Life Science Research Institute, Daewoong Pharmaceutical Co., Ltd., Gyeonggi-Do, Republic of Korea
| | - Wonhee Suh
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
| | - Kyung Hoon Min
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
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