1
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Nguyen KT, Huynh TNT, Ratanathawornkiti K, Juthathan M, Thamyongkit P, Sukwattanasinitt M, Wacharasindhu S. NaI-Mediated Electrochemical Cyclization-Desulfurization for the Synthesis of N-Substituted 2-Aminobenzimidazoles. J Org Chem 2024; 89:1591-1608. [PMID: 38102091 DOI: 10.1021/acs.joc.3c02212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
An electrochemical method for the synthesis of N-substituted 2-aminobenzimidazoles through a NaI-mediated desulfurization-cyclization process is reported. This electrosynthesis method utilizes cost-effective NaI as both a mediator and an electrolyte in a catalytic amount (0.2 equiv), replacing traditional oxidizing reagents. N-Substituted o-phenylenediamines and isothiocyanates undergo a thiourea formation/cyclization/desulfurization process to provide N-substituted 2-aminobenzimidazoles (55 examples, up to 98% yield) in a single reaction vessel. Importantly, this electrochemical methodology is applicable to gram-scale synthesis, maintaining reaction efficiency.
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Affiliation(s)
- Khuyen Thu Nguyen
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Thao Nguyen Thanh Huynh
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | | | - Methasit Juthathan
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Patchanita Thamyongkit
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | | | - Sumrit Wacharasindhu
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
- Green Chemistry for Fine Chemical Productions and Environmental Remediation Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
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2
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Mamedov VA, Zhukova NA, Voloshina AD, Syakaev VV, Beschastnova T, Lyubina AP, Amerhanova SK, Samigullina AI, Gubaidullin AT, Buzyurova DN, Rizvanov I, Sinyashin OG. Synthesis of Morpholine-, Piperidine-, and N-Substituted Piperazine-Coupled 2-(Benzimidazol-2-yl)-3-arylquinoxalines as Novel Potent Antitumor Agents. ACS Pharmacol Transl Sci 2022; 5:945-962. [PMID: 36268120 PMCID: PMC9578144 DOI: 10.1021/acsptsci.2c00118] [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: 06/20/2022] [Indexed: 11/29/2022]
Abstract
A novel series of 2-(benzimidazol-2-yl)quinoxalines with three types of pharmacophore groups, namely, piperazine, piperidine, and morpholine moieties, which are part of known antitumor drugs, was designed and synthesized. The compounds have been characterized by NMR and IR spectroscopy, high- and low-resolution mass spectrometry, and X-ray crystallography. 2-(Benzimidazol-2-yl)quinoxalines with N-methylpiperazine substituents showed promising activity against a wide range of cancer lines, without causing hemolysis and showing little cytotoxicity against normal human Wi-38 cells (human fetal lung). A mixture of regioisomers 2-(benzimidazol-2-yl)-3-(4-fluorophenyl)-6(and 7)-(4-methylpiperazin-1-yl)quinoxalines (mri BIQ 13da/14da) showed a highly selective cytotoxic effect against human lung adenocarcinoma (cell line A549) with a half-maximal inhibitory concentration at the level of doxorubicin with a selectivity index of 12. The data obtained by flow cytometry, fluorescence microscopy, and multiparametric fluorescence analysis suggested that the mechanism of the cytotoxic effect of the mri BIQ 13da/14da on A549 cells may be associated with the stopping of the cell cycle in phase S and inhibition of DNA synthesis as well as with the induction of mithochondrial apoptosis. Thus, mri BIQ 13da/14da can be considered as a leading compound deserving further study, optimization, and development as a new anticancer agent.
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Affiliation(s)
- Vakhid A. Mamedov
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Nataliya A. Zhukova
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Alexandra D. Voloshina
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Victor V. Syakaev
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Tat’yana
N. Beschastnova
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Anna P. Lyubina
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Syumbelya K. Amerhanova
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Aida I. Samigullina
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Aidar T. Gubaidullin
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Daina N. Buzyurova
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Il′dar
Kh. Rizvanov
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
| | - Oleg G. Sinyashin
- A.E. Arbuzov Institute of
Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, 420088Kazan, Russian Federation
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3
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Divergent asymmetric synthesis of azaarene-functionalized cyclic alcohols through stereocontrolled Beckwith-Enholm cyclizations. Sci China Chem 2021. [DOI: 10.1007/s11426-021-1019-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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4
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Knippel JL, Ye Y, Buchwald SL. Enantioselective C2-Allylation of Benzimidazoles Using 1,3-Diene Pronucleophiles. Org Lett 2021; 23:2153-2157. [PMID: 33646778 DOI: 10.1021/acs.orglett.1c00306] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Although substituted benzimidazoles are common substructures in bioactive small molecules, synthetic methods for their derivatization are still limited. Previously, several enantioselective allylation reactions of benzimidazoles were reported that functionalize the nucleophilic nitrogen atom. Herein we describe a reversal of this inherent selectivity toward N-allylation by using electrophilic N-OPiv benzimidazoles with readily available 1,3-dienes as nucleophile precursors. This CuH-catalyzed approach utilizes mild reaction conditions, exhibits broad functional-group compatibility, and exclusively forms the C2-allylated product with excellent stereoselectivity.
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Affiliation(s)
- James Levi Knippel
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Yuxuan Ye
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Stephen L Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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5
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Yin Y, Li Y, Gonçalves TP, Zhan Q, Wang G, Zhao X, Qiao B, Huang KW, Jiang Z. All-Carbon Quaternary Stereocenters α to Azaarenes via Radical-Based Asymmetric Olefin Difunctionalization. J Am Chem Soc 2020; 142:19451-19456. [DOI: 10.1021/jacs.0c08329] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yanli Yin
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. of China
- Henan University, Kaifeng, Henan 475004, P. R. China
| | - Yunqiang Li
- Henan University, Kaifeng, Henan 475004, P. R. China
| | - Théo P. Gonçalves
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | | | - Guanghui Wang
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Xiaowei Zhao
- Henan University, Kaifeng, Henan 475004, P. R. China
| | - Baokun Qiao
- Henan University, Kaifeng, Henan 475004, P. R. China
| | - Kuo-Wei Huang
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Zhiyong Jiang
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
- Henan University, Kaifeng, Henan 475004, P. R. China
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6
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Ersan RH, Yuksel A, Ertan‐Bolelli T, Dogen A, Burmaoglu S, Algul O. One‐pot synthesis of novel benzimidazoles with a naphthalene moiety as antimicrobial agents and molecular docking studies. J CHIN CHEM SOC-TAIP 2020. [DOI: 10.1002/jccs.202000125] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ronak Haj Ersan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy Mersin University Mersin Turkey
| | - Ahmet Yuksel
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy Mersin University Mersin Turkey
| | - Tugba Ertan‐Bolelli
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy Ankara University Ankara Turkey
| | - Aylin Dogen
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy Mersin University Mersin Turkey
| | - Serdar Burmaoglu
- Department of Chemistry, Faculty of Science Atatürk University Erzurum Turkey
| | - Oztekin Algul
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy Mersin University Mersin Turkey
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7
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Liu J, Morgan S, Hoover JM. Cobalt‐Catalyzed Aerobic Oxidative Cyclization of 2‐Aminoanilines with Isonitriles: Facile Access to 2‐Aminobenzimidazoles. ChemCatChem 2020. [DOI: 10.1002/cctc.201902011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Jiaqi Liu
- C. Eugene Bennett Department of Chemistry West Virginia University Morgantown WV 26506 USA
| | - Sarah Morgan
- C. Eugene Bennett Department of Chemistry West Virginia University Morgantown WV 26506 USA
| | - Jessica M. Hoover
- C. Eugene Bennett Department of Chemistry West Virginia University Morgantown WV 26506 USA
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8
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Cruz A, Martínez IIP, Ramos-Organillo AA. Methods to Access 2-aminobenzimidazoles of Medicinal Importance. CURR ORG CHEM 2020. [DOI: 10.2174/1385272823666191023150201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:Benzimidazole (BI) and derivatives are interesting because several of these compounds have been found to have a diversity of biological activities with clinical applications. In view of their importance, the synthesis of BI and its derivatives is still considered as a challenge for synthetic chemists. Examples of compounds used in medicinal chemistry containing BI, as important nucleus, are Astemizole (antihistaminic), Omeprazole (antiulcerative) and Rabendazole (fungicide), some of these compounds have the 2- aminobenzimidazole (2ABI) as base nucleus. The structure of 2ABI derivatives contains a cyclic guanidine moiety, which is interesting because of its free lone pairs, labile hydrogen atoms and planar delocalized structure. The delocalized 10-π electron system and the extension of the electron conjugation with the exocyclic amino group, in 2ABI, making these heterocycles to have amphoteric character. The 2ABI has been used as building blocks for the synthesis of several BI derivatives as medicinally important molecules. On these bases, herein, we present a bibliographic review concerning the recent methodologies used in the synthesis of 2ABIs, including the substituted ones.
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Affiliation(s)
- Alejandro Cruz
- Instituto Politécnico Nacional-UPIBI, Laboratorio de Química Supramolecular y Nanociencias, Av. Acueducto s/n, Barrio la Laguna Ticomán, México, D. F, 07340, Mexico
| | - Itzia I. Padilla Martínez
- Instituto Politécnico Nacional-UPIBI, Laboratorio de Química Supramolecular y Nanociencias, Av. Acueducto s/n, Barrio la Laguna Ticomán, México, D. F, 07340, Mexico
| | - Angel A. Ramos-Organillo
- Facultad de Ciencias Químicas, Universidad de Colima, Km 9 Carr. Colima- Coquimatlán, 28400, Coquimatlán, Colima, Mexico
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9
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Noor HB, Mou NA, Salem L, Shimul MF, Biswas S, Akther R, Khan S, Raihan S, Mohib MM, Sagor MA. Anti-inflammatory Property of AMP-activated Protein Kinase. Antiinflamm Antiallergy Agents Med Chem 2020; 19:2-41. [PMID: 31530260 PMCID: PMC7460777 DOI: 10.2174/1871523018666190830100022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 07/29/2019] [Accepted: 08/20/2019] [Indexed: 12/23/2022]
Abstract
BACKGROUND One of the many debated topics in inflammation research is whether this scenario is really an accelerated form of human wound healing and immunityboosting or a push towards autoimmune diseases. The answer requires a better understanding of the normal inflammatory process, including the molecular pathology underlying the possible outcomes. Exciting recent investigations regarding severe human inflammatory disorders and autoimmune conditions have implicated molecular changes that are also linked to normal immunity, such as triggering factors, switching on and off, the influence of other diseases and faulty stem cell homeostasis, in disease progression and development. METHODS We gathered around and collected recent online researches on immunity, inflammation, inflammatory disorders and AMPK. We basically searched PubMed, Scopus and Google Scholar to assemble the studies which were published since 2010. RESULTS Our findings suggested that inflammation and related disorders are on the verge and interfere in the treatment of other diseases. AMPK serves as a key component that prevents various kinds of inflammatory signaling. In addition, our table and hypothetical figures may open a new door in inflammation research, which could be a greater therapeutic target for controlling diabetes, obesity, insulin resistance and preventing autoimmune diseases. CONCLUSION The relationship between immunity and inflammation becomes easily apparent. Yet, the essence of inflammation turns out to be so startling that the theory may not be instantly established and many possible arguments are raised for its clearance. However, this study might be able to reveal some possible approaches where AMPK can reduce or prevent inflammatory disorders.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Md A.T. Sagor
- Address correspondence to this author at the Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh; Tel: +8801719130130; E-mail:
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10
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Wen F, Li Z. Semicarbazide: A Transient Directing Group for C(
sp
3
)−H Arylation of 2‐Methylbenzaldehydes. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901392] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Fei Wen
- Chemistry and Chemical EngineeringNorthwest Normal University, Lanzhou Gansu 730070 People's Republic of China
| | - Zheng Li
- Chemistry and Chemical EngineeringNorthwest Normal University, Lanzhou Gansu 730070 People's Republic of China
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11
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Grimaldi M, Randino R, Ciaglia E, Scrima M, Buonocore M, Stillitano I, Abate M, Covelli V, Tosco A, Gazzerro P, Bifulco M, Rodriquez M, D'Ursi AM. NMR for screening and a biochemical assay: Identification of new FPPS inhibitors exerting anticancer activity. Bioorg Chem 2019; 98:103449. [PMID: 32057422 DOI: 10.1016/j.bioorg.2019.103449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 10/01/2019] [Accepted: 11/14/2019] [Indexed: 01/14/2023]
Abstract
Farnesyl pyrophosphate synthase (FPPS) is a crucial enzyme for the synthesis of isoprenoids and the key target of nitrogen-containing bisphosphonates (N-BPs). N-BPs are potent and selective FPPS inhibitors that are used in the treatment of bone-related diseases, but have poor pharmacokinetic properties. Given the key role played by FPPS in many cancer-related pathways and the pharmacokinetic limits of N-BPs, hundreds of molecules have been screened to identify new FPPS inhibitors characterized by improved drug-like properties that are useful for broader therapeutic applications in solid, non-skeletal tumours. We have previously shown that N6-isopentenyladenosine (i6A) and its related compound N6-benzyladenosine (2) exert anti-glioma activity by interfering with the mevalonate pathway and inhibiting FPPS. Here, we report the design and synthesis of a panel of N6-benzyladenosine derivatives (compounds 2a-m) incorporating different chemical moieties on the benzyl ring. Compounds 2a-m show in vitro antiproliferative activity in U87MG glioma cells and, analogous to the bisphosphonate FPPS inhibitors, exhibit immunogenic properties in ex vivo γδ T cells from stimulated peripheral blood mononuclear cells (PBMCs). Using saturation transfer difference (STD) and quantitative 1H nuclear magnetic resonance (NMR) experiments, we found that 2f, the N6-benzyladenosine analogue that includes a tertbutyl moiety in the para position of the benzyl ring, is endowed with increased FPPS binding and inhibition compared to the parent compounds i6A and 2. N6-benzyladenosine derivatives, characterized by structural features that are significantly different from those of N-BPs, have been confirmed to be promising chemical scaffolds for the development of non N-BP FPPS inhibitors, exerting combined cytotoxic and immunostimulatory activities.
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Affiliation(s)
- Manuela Grimaldi
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy; Institute of Polymers, Composites and Biomaterials, National Research Council of Italy, V.le J.F. Kennedy 54 - Pad. 20 Mostra d'Oltremare, 80125 Naples, Italy
| | - Rosario Randino
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Elena Ciaglia
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Salvatore Allende, 84081 Baronissi, Salerno, Italy
| | - Mario Scrima
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Michela Buonocore
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Ilaria Stillitano
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Mario Abate
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Salvatore Allende, 84081 Baronissi, Salerno, Italy
| | - Verdiana Covelli
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Alessandra Tosco
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Patrizia Gazzerro
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Maurizio Bifulco
- Department of Molecular Medicine and Medical Biotechnology, University of Naples "Federico II", Via Pansini, 80131 Naples, Italy; Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Salvatore Allende, 84081 Baronissi, Salerno, Italy
| | - Manuela Rodriquez
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Anna Maria D'Ursi
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy.
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Ryabukhin DS, Turdakov AN, Soldatova NS, Kompanets MO, Ivanov AY, Boyarskaya IA, Vasilyev AV. Reactions of 2-carbonyl- and 2-hydroxy(or methoxy)alkyl-substituted benzimidazoles with arenes in the superacid CF 3SO 3H. NMR and DFT studies of dicationic electrophilic species. Beilstein J Org Chem 2019; 15:1962-1973. [PMID: 31501662 PMCID: PMC6720581 DOI: 10.3762/bjoc.15.191] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 08/06/2019] [Indexed: 11/23/2022] Open
Abstract
Reactions of 2-carbonyl- and 2-hydroxy(or methoxy)alkylbenzimidazoles with arenes in the Brønsted superacid TfOH resulted in the formation of the corresponding Friedel-Crafts reaction products, 2-diarylmethyl and 2-arylmethyl-substituted benzimidazoles, in yields up to 90%. The reaction intermediates, protonated species derived from starting benzimidazoles in TfOH, were thoroughly studied by means of NMR and DFT calculations and plausible reaction mechanisms are discussed.
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Affiliation(s)
- Dmitry S Ryabukhin
- Department of Chemistry, Saint Petersburg State Forest Technical University, Institutsky per., 5, Saint Petersburg, 194021, Russian Federation
| | - Alexey N Turdakov
- Department of Chemistry, Saint Petersburg State Forest Technical University, Institutsky per., 5, Saint Petersburg, 194021, Russian Federation
| | - Natalia S Soldatova
- National Research Tomsk Polytechnic University, Lenin Avenue 30, Tomsk, 634050, Russian Federation
| | - Mikhail O Kompanets
- Litvinenko Institute of Physico-Organic and Coal Chemistry, NAS of Ukraine, Kharkivske Hgw, 50, Kyiv, 02160, Ukraine
- National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Prosp. Peremohy, 37, Kyiv, 03056, Ukraine
| | - Alexander Yu Ivanov
- Center for Magnetic Resonance, Research Park, Saint Petersburg State University, Universitetskiy pr., 26, Saint Petersburg, Petrodvoretz, 198504, Russian Federation
| | - Irina A Boyarskaya
- Department of Organic Chemistry, Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg, 199034, Russian Federation
| | - Aleksander V Vasilyev
- Department of Chemistry, Saint Petersburg State Forest Technical University, Institutsky per., 5, Saint Petersburg, 194021, Russian Federation
- Department of Organic Chemistry, Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg, 199034, Russian Federation
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14
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Gruber N, Díaz JE, Orelli LR. Synthesis of dihydroquinazolines from 2-aminobenzylamine: N 3 -aryl derivatives with electron-withdrawing groups. Beilstein J Org Chem 2018; 14:2510-2519. [PMID: 30344774 PMCID: PMC6178284 DOI: 10.3762/bjoc.14.227] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Accepted: 08/31/2018] [Indexed: 11/23/2022] Open
Abstract
The sequential N-functionalization of 2-aminobenzylamine (2-ABA) followed by cyclodehydration allowed for a straightforward and efficient synthesis of 3,4-dihydroquinazolines with N-aryl substituents bearing electron-withdrawing groups. The sequence involves an initial SNAr displacement, N-acylation and MW-assisted ring closure. Remarkably, the uncatalyzed N-arylation of 2-ABA led to the monosubstitution product using equimolar amounts of both reagents. The individual steps were optimized achieving good to excellent overall yields of the desired heterocycles, avoiding additional protection and deprotection steps. A mechanistic interpretation for the cyclodehydration reaction promoted by trimethylsilyl polyphosphate (PPSE) is also proposed on the basis of literature data and our experimental observations.
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Affiliation(s)
- Nadia Gruber
- Universidad de Buenos Aires, CONICET, Departamento de Química Orgánica, Facultad de Farmacia y Bioquímica, Junín 956, (1113) Buenos Aires, Argentina
| | - Jimena E Díaz
- Universidad de Buenos Aires, CONICET, Departamento de Química Orgánica, Facultad de Farmacia y Bioquímica, Junín 956, (1113) Buenos Aires, Argentina
| | - Liliana R Orelli
- Universidad de Buenos Aires, CONICET, Departamento de Química Orgánica, Facultad de Farmacia y Bioquímica, Junín 956, (1113) Buenos Aires, Argentina
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15
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Naceiri Mrabti N, Elhallaoui M. QSAR study and molecular docking of benzimidazole derivatives as potent activators of AMP-activated protein kinase. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2018. [DOI: 10.1016/j.jtusci.2016.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Nidal Naceiri Mrabti
- Engineering Materials, Modeling and Environmental Laboratory, Faculty of Science, University Sidi Mohammed Ben Abdellah Dhar Mehraz, B.P. 1796, Atlas Fes Morocco
| | - Menana Elhallaoui
- Department of Chemistry, Faculty of Science, University Sidi Mohammed Ben Abdellah Dhar Mehraz, B.P. 1796, AtlasFes Morocco
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16
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Lovrić M, Tibi MM, Filipan M, Cepanec I, Litvić M. Simple and Efficient Large-scale Metal-free Synthesis of o-(5-Formyl-2-thienyl)benzonitrile and o-(5-Formyl-2-furyl)benzonitrile. ORG PREP PROCED INT 2018. [DOI: 10.1080/00304948.2018.1405334] [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)
- Marija Lovrić
- BELUPO Pharmaceuticals & Cosmetics Inc., R&D, Ulica Danica 5, 48 000 Koprivnica, Croatia
| | - Mohamed Majed Tibi
- BELUPO Pharmaceuticals & Cosmetics Inc., R&D, Ulica Danica 5, 48 000 Koprivnica, Croatia
| | - Mirela Filipan
- BELUPO Pharmaceuticals & Cosmetics Inc., R&D, Ulica Danica 5, 48 000 Koprivnica, Croatia
| | - Ivica Cepanec
- BELUPO Pharmaceuticals & Cosmetics Inc., R&D, Ulica Danica 5, 48 000 Koprivnica, Croatia
| | - Mladen Litvić
- BELUPO Pharmaceuticals & Cosmetics Inc., R&D, Ulica Danica 5, 48 000 Koprivnica, Croatia
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17
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A simple and efficient synthesis of benzimidazoles containing piperazine or morpholine skeleton at C-6 position as glucosidase inhibitors with antioxidant activity. Bioorg Chem 2018; 76:468-477. [DOI: 10.1016/j.bioorg.2017.12.019] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 12/15/2017] [Accepted: 12/15/2017] [Indexed: 01/10/2023]
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18
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Novikova DS, Grigoreva TA, Zolotarev AA, Garabadzhiu A, Tribulovich VG. Advanced palladium free approach to the synthesis of substituted alkene oxindoles via aluminum-promoted Knoevenagel reaction. RSC Adv 2018; 8:34543-34551. [PMID: 35548634 PMCID: PMC9086994 DOI: 10.1039/c8ra07576j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 10/02/2018] [Indexed: 11/22/2022] Open
Abstract
A synthetic route for the synthesis of C24, as well as for the design of focused libraries of direct AMPK activators was developed based on a convergent strategy. The proposed scheme corresponds to the current trends in C–H bond functionalization. The use of aluminum isopropoxide for the Knoevenagel condensation of oxindole with benzophenones is a noticeable point of this work. A synthetic route for the synthesis of C24, as well as for the design of focused libraries of direct AMPK activators was developed based on a convergent strategy.![]()
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Affiliation(s)
- Daria S. Novikova
- Laboratory of Molecular Pharmacology
- Saint Petersburg State Institute of Technology (Technical University)
- Saint Petersburg 190013
- Russia
| | - Tatyana A. Grigoreva
- Laboratory of Molecular Pharmacology
- Saint Petersburg State Institute of Technology (Technical University)
- Saint Petersburg 190013
- Russia
| | - Andrey A. Zolotarev
- Department of Crystallography
- Saint Petersburg State University
- Saint Petersburg 199155
- Russia
| | - Alexander V. Garabadzhiu
- Laboratory of Molecular Pharmacology
- Saint Petersburg State Institute of Technology (Technical University)
- Saint Petersburg 190013
- Russia
| | - Vyacheslav G. Tribulovich
- Laboratory of Molecular Pharmacology
- Saint Petersburg State Institute of Technology (Technical University)
- Saint Petersburg 190013
- Russia
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19
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Solvent-free synthesis and anticancer activity evaluation of benzimidazole and perimidine derivatives. Mol Divers 2017; 22:113-127. [DOI: 10.1007/s11030-017-9790-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 10/23/2017] [Indexed: 02/07/2023]
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20
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Díaz JE, Ranieri S, Gruber N, Orelli LR. Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine. Beilstein J Org Chem 2017; 13:1470-1477. [PMID: 28845190 PMCID: PMC5550820 DOI: 10.3762/bjoc.13.145] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 06/30/2017] [Indexed: 11/23/2022] Open
Abstract
A straightforward strategy for the synthesis of dihydroquinazolines is presented, which allows for the preparation of 3,4- and 1,4-dihydroquinazolines with different substitution patterns from 2-aminobenzylamine (2-ABA) as common precursor. The required functionalization of both amino groups present in 2-ABA was achieved by different routes involving selective N-acylation and cesium carbonate-mediated N-alkylation reactions, avoiding protection/deprotection steps. The heterocycles were efficiently synthesized in short reaction times by microwave-assisted ring closure of the corresponding aminoamides promoted by ethyl polyphosphate (PPE).
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Affiliation(s)
- Jimena E Díaz
- Universidad de Buenos Aires. CONICET. Departamento de Química Orgánica. Facultad de Farmacia y Bioquímica. Junín 956, (1113) Buenos Aires, Argentina
| | - Silvia Ranieri
- Universidad de Buenos Aires. CONICET. Departamento de Química Orgánica. Facultad de Farmacia y Bioquímica. Junín 956, (1113) Buenos Aires, Argentina
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale Risorgimento 4, 40136 Bologna, Italy
| | - Nadia Gruber
- Universidad de Buenos Aires. CONICET. Departamento de Química Orgánica. Facultad de Farmacia y Bioquímica. Junín 956, (1113) Buenos Aires, Argentina
| | - Liliana R Orelli
- Universidad de Buenos Aires. CONICET. Departamento de Química Orgánica. Facultad de Farmacia y Bioquímica. Junín 956, (1113) Buenos Aires, Argentina
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21
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Antonova SV, Demina NG, Lobanov KV, Kuvaev TA, Mironov AS, Pushkov AA, Rumiantseva NF, Tyaglov BV, Shakulov RS, Malakhova II, Krasikov VD. Analysis of natural nucleosides and their derivatives by thin-layer chromatography. APPL BIOCHEM MICRO+ 2017. [DOI: 10.1134/s0003683816070024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Hu J, Li G, Huang ZB, Zhang J, Shi DQ, Zhao Y. Pd-Catalyzed thiophene directed regioselective functionalization of arenes: a direct approach to multiply-substituted benzyl amines. Org Chem Front 2017. [DOI: 10.1039/c7qo00236j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A thiophene directed ortho-C–H functionalization via a palladium catalyst in the synthesis of multiply-substituted benzyl amines has been developed.
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Affiliation(s)
- Jundie Hu
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Guobao Li
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Zhi-Bin Huang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Jingyu Zhang
- College of Physics
- Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology
- Soochow University
- Suzhou 215006
- China
| | - Da-Qing Shi
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
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23
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Kovvuri J, Nagaraju B, Kamal A, Srivastava AK. An Efficient Synthesis of 2-Substituted Benzimidazoles via Photocatalytic Condensation of o-Phenylenediamines and Aldehydes. ACS COMBINATORIAL SCIENCE 2016; 18:644-650. [PMID: 27631587 DOI: 10.1021/acscombsci.6b00107] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A photocatalytic method has been developed for the efficient synthesis of functionalized benzimidazoles. This protocol involves photocatalytic condensation of o-phenylenediamines with various aldehydes using the Rose Bengal as photocatalyst. The method was found to be general and was successfully employed for accessing pharmaceutically important benzimidazoles by the condensation of aromatic, heteroaromatic and aliphatic aldehydes with o-phenylenediamines, in good-to-excellent yields. Notably, the method was found to be effective for the condensation of less reactive heterocyclic aldehydes with o-phenylenediamines.
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Affiliation(s)
- Jeshma Kovvuri
- Academy of Scientific and Innovative Research (AcSIR), New Delhi-110025, India
- Medicinal
Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India
| | - Burri Nagaraju
- Academy of Scientific and Innovative Research (AcSIR), New Delhi-110025, India
- Medicinal
Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India
| | - Ahmed Kamal
- Academy of Scientific and Innovative Research (AcSIR), New Delhi-110025, India
- Medicinal
Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India
- Catalytic
Chemistry Chair, Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ajay K. Srivastava
- Academy of Scientific and Innovative Research (AcSIR), New Delhi-110025, India
- Medicinal
Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India
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24
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Small-molecule activators of AMP-activated protein kinase as modulators of energy metabolism. Russ Chem Bull 2016. [DOI: 10.1007/s11172-015-1036-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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25
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Jadhav AP, Ray D, Rao VUB, Singh RP. Copper-Catalyzed Direct Cross-Coupling of Compounds Containing Activated C-H/Heteroatom-H Bonds withN-Tosylhydrazones. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600074] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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26
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Chikkade PK, Kuninobu Y, Kanai M. Copper-catalyzed intermolecular C(sp 3)-H bond functionalization towards the synthesis of tertiary carbamates. Chem Sci 2015; 6:3195-3200. [PMID: 29142689 PMCID: PMC5657409 DOI: 10.1039/c5sc00238a] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 03/20/2015] [Indexed: 11/23/2022] Open
Abstract
We describe the development of an intermolecular unactivated C(sp3)-H bond functionalization towards the direct synthesis of tertiary carbamates. The transformation proceeded using a readily available, abundant first-row transition metal catalyst (copper), and isocyanates as the source of the amide moiety. This is a novel strategy for direct transformation of a variety of unactivated hydrocarbon feedstocks to N-alkyl-N-aryl and N,N-dialkyl carbamates without pre-functionalization or installation of a directing group. The reaction had a broad substrate scope with 3° > 2° > 1° site selectivity. The reaction proceeded even on a gram scale, and a corresponding free amine was directly obtained when the reaction was performed at high temperature. Kinetic studies suggested that radical-mediated C(sp3)-H bond cleavage was the rate-determining step.
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Affiliation(s)
- Prasanna Kumara Chikkade
- Graduate School of Pharmaceutical Sciences , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-0033 , Japan . ;
| | - Yoichiro Kuninobu
- Graduate School of Pharmaceutical Sciences , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-0033 , Japan . ;
- ERATO (Japan) Science and Technology Agency (JST) , Kanai Life Science Catalysis Project , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-0033 , Japan
| | - Motomu Kanai
- Graduate School of Pharmaceutical Sciences , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-0033 , Japan . ;
- ERATO (Japan) Science and Technology Agency (JST) , Kanai Life Science Catalysis Project , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-0033 , Japan
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27
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Aksenov AV, Smirnov AN, Aksenov NA, Bijieva AS, Aksenova IV, Rubin M. Benzimidazoles and benzoxazoles via the nucleophilic addition of anilines to nitroalkanes. Org Biomol Chem 2015; 13:4289-95. [PMID: 25758157 DOI: 10.1039/c5ob00131e] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
PPA-induced umpolung triggers efficient nucleophilic addition of unactivated anilines to nitroalkanes to produce N-hydroxyimidamides. The latter undergo sequential acid-promoted cyclocondensation with ortho-OH or ortho-NHR moieties to afford benzoxazoles and benzimidazoles, respectively.
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Affiliation(s)
- Alexander V Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation.
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28
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Prakash GS, Paknia F, Kulkarni A, Narayanan A, Wang F, Rasul G, Mathew T, Olah GA. Taming of superacids: PVP-triflic acid as an effective solid triflic acid equivalent for Friedel–Crafts hydroxyalkylation and acylation. J Fluor Chem 2015. [DOI: 10.1016/j.jfluchem.2014.08.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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29
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Rana S, Blowers EC, Natarajan A. Small molecule adenosine 5'-monophosphate activated protein kinase (AMPK) modulators and human diseases. J Med Chem 2014; 58:2-29. [PMID: 25122135 DOI: 10.1021/jm401994c] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Adenosine 5'-monophosphate activated protein kinase (AMPK) is a master sensor of cellular energy status that plays a key role in the regulation of whole-body energy homeostasis. AMPK is a serine/threonine kinase that is activated by upstream kinases LKB1, CaMKKβ, and Tak1, among others. AMPK exists as αβγ trimeric complexes that are allosterically regulated by AMP, ADP, and ATP. Dysregulation of AMPK has been implicated in a number of metabolic diseases including type 2 diabetes mellitus and obesity. Recent studies have associated roles of AMPK with the development of cancer and neurological disorders, making it a potential therapeutic target to treat human diseases. This review focuses on the structure and function of AMPK, its role in human diseases, and its direct substrates and provides a brief synopsis of key AMPK modulators and their relevance in human diseases.
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Affiliation(s)
- Sandeep Rana
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center , Omaha, Nebraska 68198-6805, United States
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30
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Chen LH, Wu TY, Paike V, Sun CM. Palladium-catalyzed regioselective synthesis of 2(2 $$^{\prime }$$ ′ -biphenyl)benzimidazoles through C–H activation. Mol Divers 2013; 17:641-9. [DOI: 10.1007/s11030-013-9460-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2013] [Accepted: 07/04/2013] [Indexed: 11/25/2022]
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31
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Lipka E, Charton J, Vaccher C. Development of HPLC/fluorescence detection method for chiral resolution of dansylated benzimidazoles derivatives. Biomed Chromatogr 2013; 28:4-9. [DOI: 10.1002/bmc.2992] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Revised: 06/05/2013] [Accepted: 06/05/2013] [Indexed: 11/10/2022]
Affiliation(s)
- Emmanuelle Lipka
- EA 4481, Faculté des Sciences Pharmaceutiques et Biologiques; BP 83 Lille Cedex France
| | - Julie Charton
- INSERM U761 Biostructures and Early Drug Discovery, Lille Pasteur Institute; Université Lille Nord de France; Lille F-59000 France
| | - Claude Vaccher
- EA 4481, Faculté des Sciences Pharmaceutiques et Biologiques; BP 83 Lille Cedex France
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32
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Salikov RF, Platonov DN, Frumkin AE, Lipilin DL, Tomilov YV. Synthesis of 2,3-dihydro-1H-pyrrolo[1,2-a]benzimidazoles via the cyclopropyliminium rearrangement of substituted 2-cyclopropylbenzimidazoles. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.02.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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33
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Dai J, Zhou K, Li M, Sun H, Chen Y, Su S, Pu X, Huang Y, Lu Z. Iridium(iii) complexes with enhanced film amorphism as guests for efficient orange solution-processed single-layer PhOLEDs with low efficiency roll-off. Dalton Trans 2013; 42:10559-71. [DOI: 10.1039/c3dt50834j] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Rotili D, Tarantino D, Nebbioso A, Paolini C, Huidobro C, Lara E, Mellini P, Lenoci A, Pezzi R, Botta G, Lahtela-Kakkonen M, Poso A, Steinkühler C, Gallinari P, De Maria R, Fraga M, Esteller M, Altucci L, Mai A. Discovery of salermide-related sirtuin inhibitors: binding mode studies and antiproliferative effects in cancer cells including cancer stem cells. J Med Chem 2012. [PMID: 23189967 DOI: 10.1021/jm3011614] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Chemical changes performed on 1a (sirtinol) led to a series of SIRT1/2 inhibitors, in some cases more potent than 1a mainly against SIRT1. Tested in human leukemia U937 cells, the benzamide and anilide derivatives 1b, 1c, 2b, and 2c as well as the 4-(2-phenylpropyl)thioanalogue 4c showed huge apoptosis induction, while some sulfinyl and sulfonyl derivatives (5b, 5c, and 6a-c) were highly efficient in granulocytic differentiation. When assayed in human leukemia MOLT4 as well as in human breast MDA-MB-231 and colon RKO cancer cell lines, the anilide 2b (salermide) and the phenylpropylthio analogue 4b emerged as the most potent antiproliferative agents. Tested on colorectal carcinoma and glioblastoma multiforme cancer stem cells (CSCs) from patients, 2b was particularly potent against colorectal carcinoma CSCs, while 4b, 6a, and the SIRT2-selective inhibitor AGK-2 showed the highest effect against glioblastoma multiforme CSCs. Such compounds will be further explored for their broad-spectrum anticancer properties.
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Affiliation(s)
- Dante Rotili
- Istituto Pasteur-Fondazione Cenci Bolognetti, Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma La Sapienza, P.le A. Moro 5, 00185 Roma, Italy
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35
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Chebolu R, Kommi DN, Kumar D, Bollineni N, Chakraborti AK. Hydrogen-Bond-Driven Electrophilic Activation for Selectivity Control: Scope and Limitations of Fluorous Alcohol-Promoted Selective Formation of 1,2-Disubstituted Benzimidazoles and Mechanistic Insight for Rationale of Selectivity. J Org Chem 2012; 77:10158-67. [DOI: 10.1021/jo301793z] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rajesh Chebolu
- Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160 062, Punjab, India
| | - Damodara N. Kommi
- Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160 062, Punjab, India
| | - Dinesh Kumar
- Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160 062, Punjab, India
| | - Narendra Bollineni
- Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160 062, Punjab, India
| | - Asit K. Chakraborti
- Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160 062, Punjab, India
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36
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Pizzetti M, De Luca E, Petricci E, Porcheddu A, Taddei M. A General Approach to Substituted Benzimidazoles and Benzoxazoles
via
Heterogeneous Palladium‐Catalyzed Hydrogen‐Transfer with Primary Amines. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201200253] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Marianna Pizzetti
- Dipartimento Farmaco Chimico Tecnologico, Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy, Fax: (+39)‐0577234333
| | - Elisa De Luca
- Dipartimento Farmaco Chimico Tecnologico, Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy, Fax: (+39)‐0577234333
| | - Elena Petricci
- Dipartimento Farmaco Chimico Tecnologico, Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy, Fax: (+39)‐0577234333
| | - Andrea Porcheddu
- Dipartimento di Chimica, Università degli Studi di Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Maurizio Taddei
- Dipartimento Farmaco Chimico Tecnologico, Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy, Fax: (+39)‐0577234333
- Istituto di Chimica dei Composti Organometallici (ICCOM‐CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (FI), Italy
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37
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Molander GA, Ajayi K. Oxidative condensations to form benzimidazole-substituted potassium organotrifluoroborates. Org Lett 2012; 14:4242-5. [PMID: 22873832 PMCID: PMC3428750 DOI: 10.1021/ol301956p] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A library of benzimidazole-substituted potassium organotrifluoroborates was prepared via the condensation of various potassium formyl-substituted aryl- and heteroaryltrifluoroborates with aromatic 1,2-diamines under oxidative conditions. The efficient Suzuki-Miyaura cross-coupling of products thus formed to various aryl and heteroaryl bromides was achieved in good yields. The method allows the facile preparation of benzimidazole-containing triaromatic products in two steps from simple potassium formyl substituted aryl- or heteroaryltrifluoroborates.
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Affiliation(s)
- Gary A Molander
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States.
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38
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Srivastava RAK, Pinkosky SL, Filippov S, Hanselman JC, Cramer CT, Newton RS. AMP-activated protein kinase: an emerging drug target to regulate imbalances in lipid and carbohydrate metabolism to treat cardio-metabolic diseases. J Lipid Res 2012; 53:2490-514. [PMID: 22798688 DOI: 10.1194/jlr.r025882] [Citation(s) in RCA: 205] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The adenosine monophosphate-activated protein kinase (AMPK) is a metabolic sensor of energy metabolism at the cellular as well as whole-body level. It is activated by low energy status that triggers a switch from ATP-consuming anabolic pathways to ATP-producing catabolic pathways. AMPK is involved in a wide range of biological activities that normalizes lipid, glucose, and energy imbalances. These pathways are dysregulated in patients with metabolic syndrome (MetS), which represents a clustering of major cardiovascular risk factors including diabetes, lipid abnormalities, and energy imbalances. Clearly, there is an unmet medical need to find a molecule to treat alarming number of patients with MetS. AMPK, with multifaceted activities in various tissues, has emerged as an attractive drug target to manage lipid and glucose abnormalities and maintain energy homeostasis. A number of AMPK activators have been tested in preclinical models, but many of them have yet to reach to the clinic. This review focuses on the structure-function and role of AMPK in lipid, carbohydrate, and energy metabolism. The mode of action of AMPK activators, mechanism of anti-inflammatory activities, and preclinical and clinical findings as well as future prospects of AMPK as a drug target in treating cardio-metabolic disease are discussed.
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39
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Yan Y, Zhong Q, Zhao N, Liu G. First cascade Mitsunobu reactions for the synthesis of 2-benzoxazole-N-phenyl and 2-benzimidazole-N-phenyl derivatives. Mol Divers 2011; 16:157-62. [DOI: 10.1007/s11030-011-9343-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Accepted: 11/14/2011] [Indexed: 01/15/2023]
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40
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Chanda K, Maiti B, Chung WS, Sun CM. Novel approach towards 2-substituted aminobenzimidazoles on imidazolium ion tag under focused microwave irradiation. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.06.068] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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41
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Design and synthesis of CK2 inhibitors. Mol Cell Biochem 2011; 356:91-6. [DOI: 10.1007/s11010-011-0953-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Accepted: 06/24/2011] [Indexed: 11/25/2022]
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Mukhopadhyay C, Ghosh S, Sengupta (Bandyopadhyay) S, De S. Synthesis of 2-alkyl substituted benzimidazoles under microwave irradiation: Anti-proliferative effect of some representative compounds on human histiocytic lymphoma cell U937. RSC Adv 2011. [DOI: 10.1039/c1ra00470k] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Lipka E, Folly-Klan M, Charton J, Vaccher MP, Bonte JP, Vaccher C. Determination of pKa values of benzimidazole derivatives from mobility obtained by capillary electrophoresis. J Pharm Biomed Anal 2010; 53:1267-71. [DOI: 10.1016/j.jpba.2010.07.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2010] [Revised: 07/08/2010] [Accepted: 07/18/2010] [Indexed: 10/19/2022]
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Sparke AE, Fisher CM, Mewis RE, Archibald SJ. Synthesis, structure and reactivity of 1-(4-nitrobenzyl)-2-chloromethyl benzimidazole. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.07.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Yella R, Patel BK. One-Pot Synthesis of Five and Six Membered N, O, S-Heterocycles Using a Ditribromide Reagent. ACTA ACUST UNITED AC 2010; 12:754-63. [DOI: 10.1021/cc100124q] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Ramesh Yella
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781 039, India
| | - Bhisma K. Patel
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781 039, India
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Yang XX, Liu GF, Qin DB. 3-Anilino-N-p-tolyl-benzamide. Acta Crystallogr Sect E Struct Rep Online 2009; 66:o116. [PMID: 21580005 PMCID: PMC2980203 DOI: 10.1107/s1600536809049939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2009] [Accepted: 11/20/2009] [Indexed: 11/11/2022]
Abstract
The title compound, C(20)H(18)N(2)O, which crystallizes with two independent mol-ecules (A and B) in the asymmetric unit, is composed of three aromatic rings (I, II and III). The conformation of the two independent mol-ecules is slightly different. The dihedral angles between the central aromatic ring II and rings I and III are 47.13 (9) and 89.36 (9)°, respectively, for mol-ecule A, and 29.60 (9) and 70.72 (9)°, respectively, for mol-ecule B. Rings I and III are inclined to one another by 86.57 (9)° in mol-ecule A, and 64.59 (10)° in mol-ecule B. The mol-ecular structures are stabilized by intra-molecular N-H⋯O hydrogen bonds. In the crystal structure, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds, forming chains propagating in the [010] direction. In addition, a number of C-H⋯π inter-actions are observed.
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Affiliation(s)
- Xing-Xing Yang
- School of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, People's Republic of China
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Lipka E, Charton J, Vaccher MP, Folly-Klan M, Bonte JP, Vaccher C. Enantioseparation of chiral benzimidazole derivatives by electrokinetic chromatography using sulfated cyclodextrins. J Sep Sci 2009; 32:1907-15. [DOI: 10.1002/jssc.200800713] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Gruzman A, Babai G, Sasson S. Adenosine Monophosphate-Activated Protein Kinase (AMPK) as a New Target for Antidiabetic Drugs: A Review on Metabolic, Pharmacological and Chemical Considerations. Rev Diabet Stud 2009; 6:13-36. [PMID: 19557293 DOI: 10.1900/rds.2009.6.13] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
In view of the epidemic nature of type 2 diabetes and the substantial rate of failure of current oral antidiabetic drugs the quest for new therapeutics is intensive. The adenosine monophosphate-activated protein kinase (AMPK) is an important regulatory protein for cellular energy balance and is considered a master switch of glucose and lipid metabolism in various organs, especially in skeletal muscle and liver. In skeletal muscles, AMPK stimulates glucose transport and fatty acid oxidation. In the liver, it augments fatty acid oxidation and decreases glucose output, cholesterol and triglyceride synthesis. These metabolic effects induced by AMPK are associated with lowering blood glucose levels in hyperglycemic individuals. Two classes of oral antihyperglycemic drugs (biguanidines and thiazolidinediones) have been shown to exert some of their therapeutic effects by directly or indirectly activating AMPK. However, side effects and an acquired resistance to these drugs emphasize the need for the development of novel and efficacious AMPK activators. We have recently discovered a new class of hydrophobic D-xylose derivatives that activates AMPK in skeletal muscles in a non insulin-dependent manner. One of these derivatives (2,4;3,5-dibenzylidene-D-xylose-diethyl-dithioacetal) stimulates the rate of hexose transport in skeletal muscle cells by increasing the abundance of glucose transporter-4 (GLUT-4) in the plasma membrane through activation of AMPK. This compound reduces blood glucose levels in diabetic mice and therefore offers a novel strategy of therapeutic intervention strategy in type 2 diabetes. The present review describes various classes of chemically-related compounds that activate AMPK by direct or indirect interactions and discusses their potential for candidate antihyperglycemic drug development.
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Affiliation(s)
- Arie Gruzman
- Department of Pharmacology, School of Pharmacy, Faculty of Medicine, The Hebrew University, Jerusalem 91120, Israel
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Zhou G, Sebhat IK, Zhang BB. AMPK activators--potential therapeutics for metabolic and other diseases. Acta Physiol (Oxf) 2009; 196:175-90. [PMID: 19245659 DOI: 10.1111/j.1748-1716.2009.01967.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AMP-activated protein kinase (AMPK)-mediated cellular metabolic responses to tissue-specific and whole-body stimuli play a vital role in the control of energy homeostasis. As a cellular energy-sensing mechanism, AMPK activation stimulates glucose uptake and fat oxidation, while it suppresses lipogenesis and gluconeogenesis. The cumulative effects of AMPK activation lead to beneficial metabolic states in liver, muscle and other peripheral tissues that are critical in the pathogenesis of obesity, type 2 diabetes and related metabolic disorders. Activators of AMPK that target selected tissues hold potential as novel therapeutics for diseases in which altered energy metabolism contributes to aetiology.
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Affiliation(s)
- G Zhou
- Department of Metabolic Disorders, Merck Research Laboratories, Rahway, NJ, USA
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Huang K, Huang F, Qin DB. N-(2-Amino-phen-yl)-2-anilinobenzamide. Acta Crystallogr Sect E Struct Rep Online 2009; 65:o1108. [PMID: 21583922 PMCID: PMC2977786 DOI: 10.1107/s1600536809013014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2009] [Accepted: 04/06/2009] [Indexed: 11/22/2022]
Abstract
In the title compound, C19H17N3O, the planes of the aromatic substituents attached to the benzamide moiety are almost perpendicular to one another, making a dihedral angle of 88.16 (7)°. The observed conformation of the molecule is produced by an intramolecular N—H⋯O hydrogen bond.
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Affiliation(s)
- Kun Huang
- School of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, People's Republic of China
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