1
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Iizuka K, Maegawa Y, Shimoyama Y, Sakamoto K, Kayakiri N, Goto Y, Naganawa Y, Tanaka S, Yoshida M, Inagaki S, Nakajima Y. Suzuki-Miyaura Cross-Coupling Reaction Using Palladium Catalysts Supported on Phosphine Periodic Mesoporous Organosilica. Chemistry 2024; 30:e202303159. [PMID: 38018377 DOI: 10.1002/chem.202303159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/27/2023] [Accepted: 11/29/2023] [Indexed: 11/30/2023]
Abstract
Phosphine periodic mesoporous organosilicas (R-P-PMO-TMS: R=Ph, tBu), which possess electron-donating alkyl substituents on the phosphorus atom, were synthesized using bifunctional compounds with alkoxysilyl- and phosphino groups, bis[3-(triethoxysilyl)propyl]phenylphosphine borane (1 a) and bis[3-(triethoxysilyl)propyl]-tert-butylphosphine borane (1 b). Immobilization of Pd(0) species was performed to give R-P-Pd-PMO-TMS: R=Ph (2 a), tBu (3 a), respectively. The Pd(0) immobilized 2 a and 3 a were applicable as catalysts for Suzuki-Miyaura cross-coupling reactions of aryl chlorides with phenylboronic acid. It was revealed that 3 a bearing more electron-donating tBu groups exhibited higher catalytic activity. Various functional groups including both electron withdrawing and donating substituents were compatible in the system. The recyclability of 3 a was examined to support its moderate utility for the recycle use.
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Affiliation(s)
- Kosuke Iizuka
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
- Tokyo Institute of Technology, School of Materials and Chemical Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8552, Japan
| | | | - Yoshihiro Shimoyama
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Kei Sakamoto
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Natsuko Kayakiri
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Yasutomo Goto
- Toyota Central R&D Labs., Inc., Nagakute, Aichi, 480-1192, Japan
| | - Yuki Naganawa
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Shinji Tanaka
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Masaru Yoshida
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Shinji Inagaki
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
- Toyota Central R&D Labs., Inc., Nagakute, Aichi, 480-1192, Japan
| | - Yumiko Nakajima
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
- Tokyo Institute of Technology, School of Materials and Chemical Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8552, Japan
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2
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Zahra S, Zaib S, Khan I. Identification of isobenzofuranone derivatives as promising antidiabetic agents: Synthesis, in vitro and in vivo inhibition of α-glucosidase and α-amylase, computational docking analysis and molecular dynamics simulations. Int J Biol Macromol 2024; 259:129241. [PMID: 38199537 DOI: 10.1016/j.ijbiomac.2024.129241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/23/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
Diabetes mellitus, one of the major health challenges of the 21st century, is associated with numerous biomedical complications including retinopathy, neuropathy, nephropathy, cardiovascular diseases and liver disorders. To control the chronic hyperglycemic condition, the development of potential inhibitors of drug targets such as α-glucosidase and α-amylase remains a promising strategy and focus of continuous efforts. Therefore, in the present work, a concise library of isobenzofuranone derivatives (3a-q) was designed and synthesized using Suzuki-Miyaura cross-coupling approach. The biological potential of these heterocyclic compounds against carbohydrate-hydrolyzing enzymes; α-glucosidase and α-amylase, was examined. In vitro inhibitory results demonstrated that the tested isobenzofuranones were considerably more effective and potent inhibitors than the standard drug, acarbose. Compound 3d having an IC50 value of 6.82 ± 0.02 μM was emerged as the lead candidate against α-glucosidase with ⁓127-folds strong inhibition than acarbose. Similarly, compound 3g demonstrated ⁓11-folds higher inhibition strength against α-amylase when compared with acarbose. Both compounds were tested in vivo and results demonstrate that the treatment of diabetic rats with α-amylase inhibitor show more pronounced histopathological normalization in kidney and liver than with α-glucosidase inhibitor. The Lineweaver-Burk plot revealed an uncompetitive mode of inhibition for 3d against α-glucosidase whereas compound 3g exhibited mixed inhibition against α-amylase. Furthermore, in silico molecular docking and dynamics simulations validated the in vitro data for these compounds whereas pharmacokinetics profile revealed the druglike properties of potent inhibitors.
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Affiliation(s)
- Shabab Zahra
- Department of Basic and Applied Chemistry, Faculty of Science and Technology, University of Central Punjab, Lahore 54590, Pakistan
| | - Sumera Zaib
- Department of Basic and Applied Chemistry, Faculty of Science and Technology, University of Central Punjab, Lahore 54590, Pakistan.
| | - Imtiaz Khan
- Department of Chemistry and Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.
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3
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Tellal S, Jismy B, Hikem-Oukacha D, Abarbri M. Synthesis of Trifluoromethylated Pyrimido[1,2- b]indazole Derivatives through the Cyclocondensation of 3-Aminoindazoles with Ketoester and Their Functionalization via Suzuki-Miyaura Cross-Coupling and SN Ar Reactions. Molecules 2023; 29:44. [PMID: 38202627 PMCID: PMC10779788 DOI: 10.3390/molecules29010044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/13/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
A new series of trifluoromethylated pyrimido[1,2-b]indazol-4(1H)-one derivatives was synthesized with good to excellent yields through a simple condensation of 3-aminoindazole derivatives with ethyl 4,4,4-trifluoro 3-oxobutanoate. The functionalization of the corresponding chlorinated fused tricyclic scaffolds via Suzuki-Miyaura and aromatic nucleophilic substitution reactions led to the synthesis of highly diverse trifluoromethylated pyrimido[1,2-b]indazole derivatives with good yields.
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Affiliation(s)
- Sakina Tellal
- Laboratoire de Physico-Chimie des Matériaux et des Electrolytes pour l’Energie (PCM2E), EA 6299, Avenue Monge Faculté des Sciences, Parc de Grandmont, 37200 Tours, France;
- Laboratory of Physics and Chemistry Materials LPCM, Department of Chemistry, Faculty of Sciences, University Mouloud Mammeri, Tizi-Ouzou 15000, Algeria;
| | - Badr Jismy
- Laboratoire de Physico-Chimie des Matériaux et des Electrolytes pour l’Energie (PCM2E), EA 6299, Avenue Monge Faculté des Sciences, Parc de Grandmont, 37200 Tours, France;
| | - Djamila Hikem-Oukacha
- Laboratory of Physics and Chemistry Materials LPCM, Department of Chemistry, Faculty of Sciences, University Mouloud Mammeri, Tizi-Ouzou 15000, Algeria;
| | - Mohamed Abarbri
- Laboratoire de Physico-Chimie des Matériaux et des Electrolytes pour l’Energie (PCM2E), EA 6299, Avenue Monge Faculté des Sciences, Parc de Grandmont, 37200 Tours, France;
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4
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Al-Joumhawy MK, Chang JC, Assaf KI, Bassil BS, Gabel D. Functionalization of Dodecaborates by Mild and Efficient Pd-Catalyzed Formation of B-C Bonds with Boronic Acids. Chemistry 2023; 29:e202302466. [PMID: 37792566 DOI: 10.1002/chem.202302466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/02/2023] [Accepted: 10/04/2023] [Indexed: 10/06/2023]
Abstract
Hybrid organic-inorganic molecules have recently received great interest due to their unique properties, which give access to their implementation in biological and material sciences. Herein, a new synthetic approach for the direct-linkage of the purely inorganic dodecaborate cluster to organic building blocks through B-C bond is established, using boronic acids as functional groups on the organic moiety, reacting under Suzuki-Miyaura coupling conditions with iodo-undecahydridododecaborate. The choices of ligand (DavePhos) and solvent (N-methylpyrrolidone for electron-poor, CD3 CN for electron-rich groups) are essential for the successful coupling. Ultimately, the newly described methodology is found to be functional-group tolerant covering a wide spectrum of substrates including electron-poor arenes.
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Affiliation(s)
| | - Jui-Chi Chang
- School of Science, Constructor University, Campus Ring 1, 28759, Bremen, Germany
| | - Khaleel I Assaf
- Department of Chemistry, Faculty of Science, Al-Balqa Applied University, 19117, Al-Salt, Jordan
| | - Bassem S Bassil
- School of Science, Constructor University, Campus Ring 1, 28759, Bremen, Germany
| | - Detlef Gabel
- School of Science, Constructor University, Campus Ring 1, 28759, Bremen, Germany
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5
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Grandini CP, Schmitt CR, Duarte FA, Rosa DS, Rosa CH, Rosa GR. New sustainable and robust catalytic supports for palladium nanoparticles generated from chitosan/cellulose film and corn stem biochar. Environ Sci Pollut Res Int 2023; 30:6068-6079. [PMID: 35986114 PMCID: PMC9391202 DOI: 10.1007/s11356-022-22616-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 08/16/2022] [Indexed: 06/05/2023]
Abstract
The production of sustainable catalytic supports for palladium nanoparticles is always desired, even more so through the recovery of biomass residues. In this sense, two different solids were investigated - chitosan/cellulose film and corn stem biochar - as catalytic supports of palladium nanoparticles. The solids were carefully characterized and tested in the Suzuki-Miyaura reaction, a typical cross-coupling reaction. The developed catalytic systems proved to be efficient and sustainable, promoted the formation of target products very well, and demanded green reactants under environmentally appropriate conditions. With the results shown in the manuscript, it is expected to contribute to the valorization of biomass and agro-industrial residues in the development of new catalysts for the chemical industry.
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Affiliation(s)
- Camila P Grandini
- Escola de Química e Alimentos, Universidade Federal do Rio Grande - FURG, Campus Santo Antônio da Patrulha. Rua Barão do Cahy, 125, Cidade Alta, CEP, Santo Antônio da Patrulha, RS, 95500-000, Brazil
| | - Cristiane R Schmitt
- Escola de Química e Alimentos, Universidade Federal do Rio Grande - FURG, Campus Santo Antônio da Patrulha. Rua Barão do Cahy, 125, Cidade Alta, CEP, Santo Antônio da Patrulha, RS, 95500-000, Brazil
| | - Fábio A Duarte
- Departamento de Química, Universidade Federal de Santa Maria - UFSM, Av. Roraima, 1000, CEP, Santa Maria, RS, 97105-900, Brazil
| | - Diego S Rosa
- Escola de Química e Alimentos, Universidade Federal do Rio Grande - FURG, Campus Santo Antônio da Patrulha. Rua Barão do Cahy, 125, Cidade Alta, CEP, Santo Antônio da Patrulha, RS, 95500-000, Brazil
| | - Clarissa H Rosa
- Escola de Química e Alimentos, Universidade Federal do Rio Grande - FURG, Campus Santo Antônio da Patrulha. Rua Barão do Cahy, 125, Cidade Alta, CEP, Santo Antônio da Patrulha, RS, 95500-000, Brazil
| | - Gilber R Rosa
- Escola de Química e Alimentos, Universidade Federal do Rio Grande - FURG, Campus Santo Antônio da Patrulha. Rua Barão do Cahy, 125, Cidade Alta, CEP, Santo Antônio da Patrulha, RS, 95500-000, Brazil.
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6
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Sorokina SA, Kuchkina NV, Ezernitskaya MG, Bykov AV, Vasiliev AL, Efimov NN, Shifrina ZB. Ni Nanoparticles Stabilized by Hyperbranched Polymer: Does the Architecture of the Polymer Affect the Nanoparticle Characteristics and Their Performance in Catalysis? Int J Mol Sci 2022; 23. [PMID: 36430353 DOI: 10.3390/ijms232213874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/04/2022] [Accepted: 11/07/2022] [Indexed: 11/12/2022] Open
Abstract
Heat-up and hot-injection methods were employed to synthesize Ni nanoparticles (NPs) with narrow size distribution in the presence of hyperbranched pyridylphenylene polymer (PPP) as a stabilizing agent. It was shown that depending on the synthetic method, Ni NPs were formed either in a cross-linked polymer network or stabilized by a soluble hyperbranched polymer. Ni NPs were characterized by a combination of transmission electron microscopy (TEM), scanning TEM, thermogravimetric analysis, powder X-ray diffraction, X-ray photoelectron spectroscopy, energy dispersive X-ray analysis, and magnetic measurements. The architecture of polymer support was found to significantly effect Ni NPs characteristics and behavior. The Ni NPs demonstrated a high catalytic activity in a model Suzuki-Miyaura cross-coupling reaction. No significant drop in activity was observed upon repeated use after magnetic separation in five consecutive catalytic cycles. We believe that hyperbranched PPP can serve as universal platform for the controllable synthesis of Ni NPs, acting as highly active and stable catalysts.
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7
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Abstract
Suzuki-Miyaura cross-coupling is one of the most widely employed reactions in medicinal chemistry. Here we describe the efficient cross-coupling with on-DNA halide substrates using Pd(PPh3)4 as coupling catalyst.
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Affiliation(s)
- Yun Ding
- Encoded Library Technologies/NCE Molecular Discovery, R&D Medicinal Science and Technology, GlaxoSmithKline, Cambridge, MA, USA.
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8
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Zhang J, Zhang P, Shao L, Wang R, Ma Y, Szostak M. Mechanochemical Solvent-Free Suzuki-Miyaura Cross-Coupling of Amides via Highly Chemoselective N-C Cleavage. Angew Chem Int Ed Engl 2021; 61:e202114146. [PMID: 34877756 DOI: 10.1002/anie.202114146] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Indexed: 12/14/2022]
Abstract
Although cross-coupling reactions of amides by selective N-C cleavage are one of the most powerful and burgeoning areas in organic synthesis due to the ubiquity of amide bonds, the development of mechanochemical, solid-state methods remains a major challenge. Herein, we report the first mechanochemical strategy for highly chemoselective, solvent-free palladium-catalyzed cross-coupling of amides by N-C bond activation. The method is conducted in the absence of external heating, for short reaction time and shows excellent chemoselectivity for σ N-C bond activation. The reaction shows excellent functional group tolerance and can be applied to late-stage functionalization of complex APIs and sequential orthogonal cross-couplings exploiting double solventless solid-state methods. The results extend mechanochemical reaction environments to advance the chemical repertoire of N-C bond interconversions to solid-state environmentally friendly mechanochemical methods.
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Affiliation(s)
- Jin Zhang
- College of Chemistry and Chemical Engineering, Key Laboratory of Chemical Additives for China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China
| | - Pei Zhang
- College of Chemistry and Chemical Engineering, Key Laboratory of Chemical Additives for China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China
| | - Lei Shao
- College of Chemistry and Chemical Engineering, Key Laboratory of Chemical Additives for China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China
| | - Ruihong Wang
- Institute of Frontier Science and Technology Transfer, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China
| | - Yangmin Ma
- College of Chemistry and Chemical Engineering, Key Laboratory of Chemical Additives for China National Light Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey, 07102, United States
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9
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Nóvoa L, Trulli L, Parra A, Tortosa M. Stereoselective Diboration of Spirocyclobutenes: A Platform for the Synthesis of Spirocycles with Orthogonal Exit Vectors. Angew Chem Int Ed Engl 2021; 60:11763-11768. [PMID: 33689223 DOI: 10.1002/anie.202101445] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Indexed: 12/13/2022]
Abstract
The diastereo- and enantioselective diboration of spirocyclobutenes provides a platform for the rapid preparation of a wide variety of chiral spirocyclic building blocks. The chemoselective functionalization of the carbon-boron bond in the products, including a stereospecific sp3 -sp2 Suzuki-Miyaura cross-coupling reaction, provides a powerful tool to control the directionality and the nature of the exit vectors in the spirocyclic framework.
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Affiliation(s)
- Luis Nóvoa
- Organic Chemistry Department, Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Laura Trulli
- Organic Chemistry Department, Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Alejandro Parra
- Organic Chemistry Department, Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Mariola Tortosa
- Organic Chemistry Department, Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
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10
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Efremova MM, Govdi AI, Frolova VV, Rumyantsev AM, Balova IA. Design and Synthesis of New 5-aryl-4-Arylethynyl-1 H-1,2,3-triazoles with Valuable Photophysical and Biological Properties. Molecules 2021; 26:2801. [PMID: 34068559 PMCID: PMC8126154 DOI: 10.3390/molecules26092801] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 11/23/2022] Open
Abstract
Cu-catalyzed 1,3-dipolar cycloaddition of methyl 2-azidoacetate to iodobuta-1,3-diynes and subsequent Suzuki-Miyaura cross-coupling were used to synthesize new triazoles derivatives: 5-aryl-4-arylethynyl-1H-1,2,3-triazoles. Investigation of their optical properties by using UV absorption and fluorescence emission spectroscopies revealed that all molecules possess fluorescence properties with the values of the Stokes shift more than 100 nm. The photophysical behavior of the two most promising triazoles in polar and non-polar solvents was also studied.
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Affiliation(s)
- Mariia M. Efremova
- Institute of Chemistry, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia;
| | - Anastasia I. Govdi
- Institute of Chemistry, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia;
| | - Valeria V. Frolova
- Department of Pharmaceutical Chemistry, Saint Petersburg State Chemical Pharmaceutical University (SPCPU), 14A Professor Popov Str., 197376 Saint Petersburg, Russia;
| | - Andrey M. Rumyantsev
- Department of Genetics and Biotechnology, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia;
| | - Irina A. Balova
- Institute of Chemistry, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia;
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11
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Di Micco S, Terracciano S, Ruggiero D, Potenza M, Vaccaro MC, Fischer K, Werz O, Bruno I, Bifulco G. Identification of 2-(thiophen-2-yl)acetic Acid-Based Lead Compound for mPGES-1 Inhibition. Front Chem 2021; 9:676631. [PMID: 34046398 PMCID: PMC8144515 DOI: 10.3389/fchem.2021.676631] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 04/07/2021] [Indexed: 11/13/2022] Open
Abstract
We report the implementation of our in silico/synthesis pipeline by targeting the glutathione-dependent enzyme mPGES-1, a valuable macromolecular target in both cancer therapy and inflammation therapy. Specifically, by using a virtual fragment screening approach of aromatic bromides, straightforwardly modifiable by the Suzuki-Miyaura reaction, we identified 3-phenylpropanoic acid and 2-(thiophen-2-yl)acetic acid to be suitable chemical platforms to develop tighter mPGES-1 inhibitors. Among these, compounds 1c and 2c showed selective inhibitory activity against mPGES-1 in the low micromolar range in accordance with molecular modeling calculations. Moreover, 1c and 2c exhibited interesting IC50 values on A549 cell lines compared to CAY10526, selected as reference compound. The most promising compound 2c induced the cycle arrest in the G0/G1 phase at 24 h of exposure, whereas at 48 and 72 h, it caused an increase of subG0/G1 fraction, suggesting an apoptosis/necrosis effect.
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Affiliation(s)
- Simone Di Micco
- European Biomedical Research Institute of Salerno (EBRIS), Salerno, Italy
| | | | - Dafne Ruggiero
- Dipartimento di Farmacia, University degli Studi di Salerno, Fisciano, Italy
| | - Marianna Potenza
- Dipartimento di Farmacia, University degli Studi di Salerno, Fisciano, Italy
| | - Maria C Vaccaro
- Dipartimento di Farmacia, University degli Studi di Salerno, Fisciano, Italy
| | - Katrin Fischer
- Institute of Pharmacy, Friedrich-Schiller-University Jena, Jena, Germany
| | - Oliver Werz
- Institute of Pharmacy, Friedrich-Schiller-University Jena, Jena, Germany
| | - Ines Bruno
- Dipartimento di Farmacia, University degli Studi di Salerno, Fisciano, Italy
| | - Giuseppe Bifulco
- Dipartimento di Farmacia, University degli Studi di Salerno, Fisciano, Italy
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12
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Wu G, Liu Y, Rouh H, Ma L, Tang Y, Zhang S, Zhou P, Wang JY, Jin S, Unruh D, Surowiec K, Ma Y, Li G. Asymmetric Catalytic Approach to Multilayer 3D Chirality. Chemistry 2021; 27:8013-8020. [PMID: 33830589 DOI: 10.1002/chem.202100700] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Indexed: 12/15/2022]
Abstract
The first asymmetric catalytic approach to multilayer 3D chirality has been achieved by using Suzuki-Miyaura cross-couplings. New chiral catalysts were designed and screened under various catalytic systems that proved chiral amide-phosphines to be more efficient ligands than other candidates. The multilayer 3D framework was unambiguously determined by X-ray structural analysis showing a parallel pattern of three layers consisting of top, middle and bottom aromatic rings. The X-ray structure of a catalyst complex, dichloride complex of Pd-phosphine amide, was obtained revealing an interesting asymmetric environment nearby the Pd metal center. Three rings of multilayer 3D products can be readily changed by varying aromatic ring-anchored starting materials. The resulting multilayer products displayed strong luminescence under UV irradiation and strong aggregation-induced emission (AIE). In the future, this work would benefit not only the field of asymmetric synthesis but also materials science, in particular polarized organic electronics, optoelectronics and photovoltaics.
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Affiliation(s)
- Guanzhao Wu
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA.,Institute of Chemistry and BioMedical Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, P. R. China
| | - Yangxue Liu
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Hossein Rouh
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Liulei Ma
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Yao Tang
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Sai Zhang
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Peng Zhou
- Institute of Chemistry and BioMedical Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, P. R. China
| | - Jia-Ying Wang
- Institute of Chemistry and BioMedical Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, P. R. China
| | - Shengzhou Jin
- Institute of Chemistry and BioMedical Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, P. R. China
| | - Daniel Unruh
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Kazimierz Surowiec
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Yanzhang Ma
- Mechanical Engineering, Texas Tech University, Lubbock, TX 79409, USA
| | - Guigen Li
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA.,Institute of Chemistry and BioMedical Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, P. R. China
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13
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Ayogu JI, Onoabedje EA. Prospects and Applications of Palladium Nanoparticles in the Cross-coupling of (hetero)aryl Halides and Related Analogues. ChemistryOpen 2021; 10:430-450. [PMID: 33590728 PMCID: PMC8015734 DOI: 10.1002/open.202000309] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Indexed: 12/14/2022] Open
Abstract
Discovering efficient methods for the formation of carbon-carbon bonds is a central ongoing theme in organic synthesis. Cross-coupling reactions catalysed by metal nanoparticles are attractive alternatives to the traditional use of metal counterparts due to the catalytic tunability, selectivity, recyclability and reusability of the nanoparticles. The ongoing search for sustainable processes demands that reusable and environmentally benign catalysts are used. While the advantages of nanoparticles catalysts over bulk catalysts cannot be overemphasised, the problem of sintering, agglomeration and leaching are drawbacks to their full industrial applications. Hence, efforts are being made towards advancing the efficiency of the catalytic nanoparticle systems over the years. This review presents the progress, the challenges and the prospects of palladium nanoparticle with focus on Heck, Suzuki, Hiyama and Sonogashira cross-coupling reactions involving (hetero) aryl halides and the analogues.
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Affiliation(s)
- Jude I. Ayogu
- Department of Chemistry, School of Physical and Chemical ScienceUniversity of CanterburyChristchurch8040New Zealand
- Department of Pure and Industrial ChemistryUniversity of NigeriaNsukka410001Nigeria
| | - Efeturi A. Onoabedje
- Department of Pure and Industrial ChemistryUniversity of NigeriaNsukka410001Nigeria
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14
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Kumar A, Kumari N, Dubbu S, Kumar S, Kwon T, Koo JH, Lim J, Kim I, Cho YK, Rho J, Lee IS. Nanocatalosomes as Plasmonic Bilayer Shells with Interlayer Catalytic Nanospaces for Solar-Light-Induced Reactions. Angew Chem Int Ed Engl 2020; 59:9460-9469. [PMID: 32237185 DOI: 10.1002/anie.202001531] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Indexed: 12/19/2022]
Abstract
Interest and challenges remain in designing and synthesizing catalysts with nature-like complexity at few-nm scale to harness unprecedented functionalities by using sustainable solar light. We introduce "nanocatalosomes"-a bio-inspired bilayer-vesicular design of nanoreactor with metallic bilayer shell-in-shell structure, having numerous controllable confined cavities within few-nm interlayer space, customizable with different noble metals. The intershell-confined plasmonically coupled hot-nanospaces within the few-nm cavities play a pivotal role in harnessing catalytic effects for various organic transformations, as demonstrated by "acceptorless dehydrogenation", "Suzuki-Miyaura cross-coupling" and "alkynyl annulation" affording clean conversions and turnover frequencies (TOFs) at least one order of magnitude higher than state-of-the-art Au-nanorod-based plasmonic catalysts. This work paves the way towards next-generation nanoreactors for chemical transformations with solar energy.
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Affiliation(s)
- Amit Kumar
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - Nitee Kumari
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - Sateesh Dubbu
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - Sumit Kumar
- Center for Soft and Living Matter, Institute for Basic Science (IBS) and Department of Biomedical Engineering, School of Life Sciences Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, South Korea
| | - Taewan Kwon
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - Jung Hun Koo
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - Jongwon Lim
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - Inki Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - Yoon-Kyoung Cho
- Center for Soft and Living Matter, Institute for Basic Science (IBS) and Department of Biomedical Engineering, School of Life Sciences Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, South Korea
| | - Junsuk Rho
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea.,Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - In Su Lee
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
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15
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Cornelio B, Laronze-Cochard M, Miambo R, De Grandis M, Riccioni R, Borisova B, Dontchev D, Machado C, Ceruso M, Fontana A, Supuran CT, Sapi J. 5-Arylisothiazol-3(2H)-one-1,(1)-(di)oxides: A new class of selective tumor-associated carbonic anhydrases (hCA IX and XII) inhibitors. Eur J Med Chem 2019; 175:40-8. [PMID: 31071549 DOI: 10.1016/j.ejmech.2019.04.072] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/29/2019] [Accepted: 04/29/2019] [Indexed: 12/20/2022]
Abstract
Sixteen 5-aryl-substituted isothiazol-3(2H)-one-1,(1)-(di)oxide analogs have been prepared from the corresponding 5-chloroisothiazol-3(2H)-one-1-oxide or -1,1-dioxide by a Suzuki-Miyaura cross-coupling reaction and screened for their inhibition potency against four human carbonic anhydrase isoenzymes: the transmembrane tumor-associated hCA IX and XII and the cytosolic off-target hCA I and II. Most of the synthesized derivatives inhibited hCA IX and XII isoforms in nanomolar range, whereas remained inactive or modestly active against both hCA I and II isoenzymes. In the N-tert-butylisothiazolone series, the 5-phenyl-substituted analog (1a) excelled in the inhibition of tumor-associated hCA IX and XII (Ki = 4.5 and Ki = 4.3 nM, respectively) with excellent selectivity against off target hCA I and II isoenzymes (S > 2222 and S > 2325, respectively). Since the highest inhibition activities were observed with N-tert-butyl derivatives, lacking a zinc-binding group, we suppose to have a new binding mode situated out of the active site. Additionally, three free-NH containing analogs (3a, 4a, 3i) have also been prepared in order to study the impact of free-NH containing N-acyl-sulfinamide- (-SO-NH-CO-) or N-acyl-sulfonamide-type (-SO2-NH-CO-) derivatives on the inhibitory potency and selectivity. Screening experiments evidenced 5-phenylisothiazol-3(2H)-one-1,1-dioxide (4a), the closest saccharin analog, to be the most active derivative with inhibition constants of Ki = 40.3 nM and Ki = 9.6 nM against hCA IX and hCA XII, respectively. The promising biological results support the high potential of 5-arylisothiazolinone-1,(1)-(di)oxides to be exploited for the design of potent and cancer-selective carbonic anhydrase inhibitors.
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Nigam R, Babu KR, Ghosh T, Kumari B, Akula D, Rath SN, Das P, Anindya R, Khan FA. Indenone derivatives as inhibitor of human DNA dealkylation repair enzyme AlkBH3. Bioorg Med Chem 2018; 26:4100-4112. [PMID: 30041948 DOI: 10.1016/j.bmc.2018.06.040] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 06/19/2018] [Accepted: 06/28/2018] [Indexed: 11/16/2022]
Abstract
The mammalian AlkB homologue-3 (AlkBH3) is a member of the dioxygenase family of enzymes that in humans is involved in DNA dealkylation repair. Because of its role in promoting tumor cell proliferation and metastasis of cancer, extensive efforts are being directed in developing selective inhibitors for AlkBH3. Here we report synthesis, screening and evaluation of panel of arylated indenone derivatives as new class of inhibitors of AlkBH3 DNA repair activity. An efficient synthesis of 2,3-diaryl indenones from 2,3-dibromo indenones was achieved via Suzuki-Miyaura cross-coupling. Using a robust quantitative assay, we have obtained an AlkBH3 inhibitor that display specific binding and competitive mode of inhibition against DNA substrate. Finally, we established that this compound could prevent the proliferation of lung cancer cell line and enhance sensitivity to DNA damaging alkylating agent.
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Affiliation(s)
- Richa Nigam
- Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, India
| | - Kaki Raveendra Babu
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, India
| | - Topi Ghosh
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, India
| | - Bhavini Kumari
- Department of Chemistry, Indian Institute of Technology Patna, Bihar, Patna 801106, India
| | - Deepa Akula
- Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, India
| | - Subha Narayan Rath
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, India
| | - Prolay Das
- Department of Chemistry, Indian Institute of Technology Patna, Bihar, Patna 801106, India
| | - Roy Anindya
- Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, India.
| | - Faiz Ahmed Khan
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, India.
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17
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Bartels B, Cueni P, Muri D, Koerner M. Development of a safe and scalable route towards a tau PET tracer precursor. Bioorg Med Chem 2018; 26:970-976. [PMID: 29074348 DOI: 10.1016/j.bmc.2017.10.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 10/06/2017] [Accepted: 10/11/2017] [Indexed: 11/16/2022]
Abstract
A scalable 5-step synthesis of the diazacarbazole derivative 1 used as tau PET tracer precursor is reported. Key features of this synthesis include a Buchwald-Hartwig amination, a Pd catalyzed CH activation and a Suzuki-Miyaura cross-coupling.
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Affiliation(s)
- Bjoern Bartels
- Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., CH-4070 Basel, Switzerland
| | - Philipp Cueni
- Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., CH-4070 Basel, Switzerland
| | - Dieter Muri
- Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., CH-4070 Basel, Switzerland
| | - Matthias Koerner
- Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., CH-4070 Basel, Switzerland.
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18
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Usui K. [Development of New Chiral Phosphine Ligands with Helical Environments and Their Application in Asymmetric Catalytic Reactions]. YAKUGAKU ZASSHI 2017; 137:1381-1390. [PMID: 29093375 DOI: 10.1248/yakushi.17-00151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The design and development of new chiral ligands to enable precise stereocontrol in a wide variety of reactions is one of the most important branches of organic synthesis. To date, the development of hybrid ligands containing both σ-donating and π-donating groups has attracted considerable attention, with unprecedented reactivities and stereoselectivities being observed. Therefore to develop efficient hybrid chiral ligands with novel structural motifs, we envisage that helicene would be a suitable π-donor efficiently to construct a helical environment around a metal center. In this context, we herein describe our recent efforts to develop a series of novel chiral [5]helicene-derived phosphine ligands (L1, with a 7,8-dihydro[5]helicene core structure, and L2, with a fully aromatic [5]helicene core structure). The prepared ligands, and in particular L1, were found highly effective in the asymmetric allylation of 1,3-diphenylallyl acetate with indoles and etherification with alcohols. Furthermore, in the asymmetric Suzuki-Miyaura coupling reaction, L2 exhibited excellent enantioselectivities. Finally, density functional theory studies were employed to propose a model that accounts for the origin of such high enantioselectivity in these reactions.
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Affiliation(s)
- Kazuteru Usui
- Graduate School of Pharmaceutical Sciences, Kyushu University
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19
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Di Micco S, Terracciano S, Cantone V, Fischer K, Koeberle A, Foglia A, Riccio R, Werz O, Bruno I, Bifulco G. Discovery of new potent molecular entities able to inhibit mPGES-1. Eur J Med Chem 2017; 143:1419-1427. [PMID: 29133047 DOI: 10.1016/j.ejmech.2017.10.039] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/13/2017] [Accepted: 10/14/2017] [Indexed: 12/22/2022]
Abstract
mPGES-1, a glutathione-dependent membrane protein is involved in the last step of PGE2 production and has been well recognized as a strategic target for the development of anti-inflammatory and anti-cancer agents. It has been proven to selectively control the PGE2 levels induced by inflammatory stimuli, with neither affecting PGE2 constitutively produced, nor homeostatic prostanoids, so that its modulation can represent a better strategy to control PGE2 related disorders, compared to the use of the classical anti-inflammatory drugs, endowed with severe side effects. Despite the intensive research on the identification of potent mPGES-1 inhibitors as attractive candidates for drug development, none of the disclosed molecules, except for LY3023705, which recently entered clinical trials, are available for clinical use, therefore the discovery of new effective mPGES-1 inhibitors with increased drug-like properties are urgently needed. Continuing our work aimed at identifying new chemical platforms able to interact with this enzyme, here we describe the discovery of potent mPGES-1 modulators, featuring a 1-fluoro-2,4-dinitro-biphenyl-based scaffold, by processing and docking a small collection of synthetically accessible molecules, built around two main fragments, disclosed in our in silico screening. The top scoring hits obtained have been synthesized and tested, and five of the predicted compounds showed to potently inhibit mPGES-1 enzyme, without affecting COX enzymes activities.
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Affiliation(s)
- Simone Di Micco
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy
| | - Stefania Terracciano
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy
| | - Vincenza Cantone
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy; Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, University of Jena, Philosophenweg 14, D-07743 Jena, Germany
| | - Katrin Fischer
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, University of Jena, Philosophenweg 14, D-07743 Jena, Germany
| | - Andreas Koeberle
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, University of Jena, Philosophenweg 14, D-07743 Jena, Germany
| | - Antonio Foglia
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy
| | - Raffaele Riccio
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, University of Jena, Philosophenweg 14, D-07743 Jena, Germany
| | - Ines Bruno
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy.
| | - Giuseppe Bifulco
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy.
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20
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Gayakhe V, Kapdi AR, Borozdina Y, Schulzke C. Crystal structure of 5-(dibenzo-furan-4-yl)-2'-deoxy-uridine. Acta Crystallogr E Crystallogr Commun 2017; 73:1493-1496. [PMID: 29250365 PMCID: PMC5730302 DOI: 10.1107/s2056989017013111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 09/13/2017] [Indexed: 11/11/2022]
Abstract
The mol-ecule of the title compound, C21H18N2O6, has a bent rather than a linear conformation supported by three intra-molecular C-H⋯O hydrogen bonds. The packing in the crystal lattice is largely determined by inter-actions between hydrogen atoms with oxygen atom lone pairs with one mol-ecule inter-acting with neigbouring mol-ecules via O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds. The title compound crystallizes in the chiral ortho-rhom-bic space group P212121. Its absolute structure could not be determined crystallographically and was assumed with reference to that of the reactant 5-iodo-2'-de-oxy-uridine.
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Affiliation(s)
- Vijay Gayakhe
- Department of Chemistry, Institute of Chemical Technology, Nathalal Parekh Road, Matunga, Mumbai 400 019, India
| | - Anant Ramakant Kapdi
- Department of Chemistry, Institute of Chemical Technology, Nathalal Parekh Road, Matunga, Mumbai 400 019, India
| | - Yulia Borozdina
- Institut für Biochemie, Ernst-Moritz-Arndt Universität Greifswald, Felix-Hausdorff-Strasse 4, D-17487 Greifswald, Germany
| | - Carola Schulzke
- Institut für Biochemie, Ernst-Moritz-Arndt Universität Greifswald, Felix-Hausdorff-Strasse 4, D-17487 Greifswald, Germany
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21
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Gupton JT, Yeudall S, Telang N, Hoerrner M, Huff E, Crawford E, Lounsbury K, Kimmel M, Curry W, Harrison A, Juekun W, Shimozono A, Ortolani J, Lescalleet K, Patteson J, Moore-Stoll V, Rohena CC, Mooberry SL, Obaidullah AJ, Kellogg GE, Sikorski JA. Ortho group activation of a bromopyrrole ester in Suzuki-Miyaura cross-coupling reactions: Application to the synthesis of new microtubule depolymerizing agents with potent cytotoxic activities. Bioorg Med Chem 2017; 25:3206-3214. [PMID: 28433513 DOI: 10.1016/j.bmc.2017.04.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 03/30/2017] [Accepted: 04/05/2017] [Indexed: 10/19/2022]
Abstract
New microtubule depolymerizing agents with potent cytotoxic activities have been prepared with a 5-cyano or 5-oximino group attached to a pyrrole core. The utilization of ortho activation of a bromopyrrole ester to facilitate successful Suzuki-Miyaura cross-coupling reactions was a key aspect of the synthetic methodology. This strategy allows for control of regiochemistry with the attachment of four completely different groups at the 2, 3, 4 and 5 positions of the pyrrole scaffold. Biological evaluations and molecular modeling studies are reported for these examples.
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Affiliation(s)
- John T Gupton
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA.
| | - Scott Yeudall
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Nakul Telang
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Megan Hoerrner
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Ellis Huff
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Evan Crawford
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Katie Lounsbury
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Michael Kimmel
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - William Curry
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Andrew Harrison
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Wen Juekun
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Alex Shimozono
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Joe Ortolani
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Kristin Lescalleet
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | - Jon Patteson
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
| | | | - Cristina C Rohena
- Department of Pharmacology and Cancer Therapy & Research Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Susan L Mooberry
- Department of Pharmacology and Cancer Therapy & Research Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Ahmad J Obaidullah
- Department of Medicinal Chemistry & Institute of Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Glen E Kellogg
- Department of Medicinal Chemistry & Institute of Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, VA 23298, USA
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22
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Gayakhe V, Ardhapure AV, Kapdi AR, Sanghvi YS, Serrano JL, Schulzke C. C-C Bond Formation: Synthesis of C5 Substituted Pyrimidine and C8 Substituted Purine Nucleosides Using Water Soluble Pd-imidate Complex. ACTA ACUST UNITED AC 2016; 65:1.37.1-1.37.15. [PMID: 27248782 DOI: 10.1002/cpnc.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The synthesis of a highly efficient, water soluble [Pd(Sacc)2 (TPA)2 ] complex for C-C bond formation is described. Additionally, application of the [Pd(Sacc)2 (TPA)2 ] complex for Suzuki-Miyaura arylation of all four nucleosides (5-iodo-2'-deoxyuridine [5-IdU], 5-iodo-2'-deoxycytidine [5-IdC], 8-bromo-2'-deoxyadenosine, and 8-bromo-2'-deoxyguanosine) with various aryl/heteroaryl boronic acids in plain water under milder conditions is demonstrated. © 2016 by John Wiley & Sons, Inc.
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Affiliation(s)
| | | | | | | | - Jose Luis Serrano
- Departamento de Ingeniería Minera, Geológica, y Cartográfica, Área de Química Inorgánica, Regional Campus of International Excellence "Campus Mare Nostrum," Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Carola Schulzke
- Ernst-Moritz-Arndt-Universität Greifswald, Institut für Biochemie, Greifswald, Germany
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23
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Cowper P, Jin Y, Turton MD, Kociok-Köhn G, Lewis SE. Azulenesulfonium Salts: Accessible, Stable, and Versatile Reagents for Cross-Coupling. Angew Chem Int Ed Engl 2016; 55:2564-8. [PMID: 26806850 PMCID: PMC4755203 DOI: 10.1002/anie.201510666] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Indexed: 11/11/2022]
Abstract
Azulenesulfonium salts may be readily prepared from the corresponding azulenes by an SE Ar reaction. These azulene sulfonium salts are bench-stable species that may be employed as pseudohalides for cross-coupling. Specifically, their application in Suzuki-Miyaura reactions has been demonstrated with a diverse selection of coupling partners. These azulenesulfonium salts possess significant advantages in comparison with the corresponding azulenyl halides, which are known to be unstable and difficult to prepare in pure form.
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Affiliation(s)
- Paul Cowper
- Department of Chemistry, University of Bath, Bath, BA2 7AY, UK.
| | - Yu Jin
- Department of Chemistry, University of Bath, Bath, BA2 7AY, UK
| | | | - Gabriele Kociok-Köhn
- Chemical Characterisation and Analysis Facility, University of Bath, Bath, BA2 7AY, UK
| | - Simon E Lewis
- Department of Chemistry, University of Bath, Bath, BA2 7AY, UK.
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24
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Agbo EN, Makhafola TJ, Choong YS, Mphahlele MJ, Ramasami P. Synthesis, Biological Evaluation and Molecular Docking Studies of 6-Aryl-2-Styrylquinazolin-4(3H)-Ones. Molecules 2015; 21:E28. [PMID: 26712730 DOI: 10.3390/molecules21010028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 12/19/2015] [Accepted: 12/22/2015] [Indexed: 11/17/2022] Open
Abstract
Suzuki-Miyaura cross-coupling of 6-bromo-2-styrylquinazolin-4(3H)-ones with arylboronic acids afforded a series of novel 6-aryl-2-styrylquinazolin-4(3H)-ones. These compounds were evaluated for potential anticancer properties against the human renal (TK-10), melanoma (UACC-62) and breast cancer (MCF-7) cell lines. Their antimicrobial properties were also evaluated against six Gram-positive and four Gram-negative bacteria, as well as two strains of fungi. Molecular docking studies (in silico) were conducted on compounds 5a, b, d and 6a, b, d–f to recognize the hypothetical binding motif of the title compounds within the active site of the dihydrofolate reductase and thymidylate synthase enzymes.
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25
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Chotana GA, Kallepalli VA, Maleczka RE, Smith MR. Iridium-catalyzed borylation of thiophenes: versatile, synthetic elaboration founded on selective C-H functionalization. Tetrahedron 2008; 64. [PMID: 24385669 DOI: 10.1016/j.tet.2008.02.111] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Iridium-catalyzed borylation has been applied to various substituted thiophenes to synthesize poly-functionalized thiophenes in good to excellent yields. Apart from common functionalities compatible with iridium-catalyzed borylations, additional functional group tolerance to acyl (COMe), and trimethylsilyl (TMS) groups was also observed. High regioselectivities were observed in borylation of 3-and 2,5-di-substituted thiophenes. Electrophilic aromatic C-H/C-Si bromination on thiophene boronate esters is shown to take place without breaking the C-B bond, and one-pot C-H borylation/Suzuki-Miyaura cross-coupling has been accomplished on 2- and 3-borylated thiophenes.
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Affiliation(s)
- Ghayoor A Chotana
- Department of Chemistry, Michigan State University, East Lansing, MI 48824-1322, USA
| | - Venkata A Kallepalli
- Department of Chemistry, Michigan State University, East Lansing, MI 48824-1322, USA
| | - Robert E Maleczka
- Department of Chemistry, Michigan State University, East Lansing, MI 48824-1322, USA
| | - Milton R Smith
- Department of Chemistry, Michigan State University, East Lansing, MI 48824-1322, USA
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