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Fu J, Yue Y, Liu K, Wang S, Zhang Y, Su Q, Gu Q, Lin F, Zhang Y. PTSA-catalyzed selective synthesis and antibacterial evaluation of 1,2-disubstituted benzimidazoles. Mol Divers 2022; 27:873-887. [PMID: 35718840 DOI: 10.1007/s11030-022-10460-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/09/2022] [Indexed: 11/25/2022]
Abstract
Herein, we developed a convenient and efficient method via protonation of p-toluenesulfonic acid promoted cyclocondensation of o-phenylenediamine and aldehydes for selectively synthesizing 1,2-disubstituted benzimidazoles. This method displayed broad substrate adaptability and afforded the desired products in moderate to excellent yield in short reaction time. The effect of different substituents on the yield was investigated by extending optimum reaction conditions, which was further confirmed by theoretical calculations. It suggested that the surface electrostatic potential of oxygen atom and nitrogen atom on the substrates played important role in the synthesis of 1,2-disubstituted benzimidazoles. Besides, the crystal structure of compound 2t in the orthorhombic space group P2(1)/c was presented. Also, the anti-mycolicibacterium smegmatis (MC2155) activity was evaluated using rifampicin as a positive control. The products (2a, 2b, 2c, 2i, 2j, 2k, 2m) showed good antibacterial activities which were comparable to rifampicin.
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Affiliation(s)
- Jiaxu Fu
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Changchun, 130012, People's Republic of China
| | - Yuandong Yue
- School of Life Sciences, Jilin University, Changchun, 130012, People's Republic of China
| | - Kejun Liu
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Changchun, 130012, People's Republic of China
| | - Shuang Wang
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Changchun, 130012, People's Republic of China
| | - Yiliang Zhang
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Changchun, 130012, People's Republic of China
| | - Qing Su
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Changchun, 130012, People's Republic of China
| | - Qiang Gu
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Changchun, 130012, People's Republic of China
| | - Feng Lin
- School of Life Sciences, Jilin University, Changchun, 130012, People's Republic of China
| | - Yumin Zhang
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Changchun, 130012, People's Republic of China.
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Synthesis of arylboronates via the Pd-catalyzed desulfitative coupling reaction of sodium arylsulfinates with bis(pinacolato)diboron. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Al Isawi WA, Salome AZ, Ahmed BM, Zeller M, Mezei G. Selective binding of anions by rigidified nanojars: sulfate vs. carbonate. Org Biomol Chem 2021; 19:7641-7654. [PMID: 34524323 DOI: 10.1039/d1ob01318a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Selective binding and transport of highly hydrophilic anions is ubiquitous in nature, as anion binding proteins can differentiate between similar anions with over a million-fold efficiency. While comparable selectivity has occasionally been achieved for certain anions using small, artificial receptors, the selective binding of certain anions, such as sulfate in the presence of carbonate, remains a very challenging task. Nanojars of the formula [anion⊂{Cu(OH)(pz)}n]2- (pz = pyrazolate; n = 27-33) are totally selective for either CO32- or SO42- over anions such as NO3-, ClO4-, BF4-, Cl-, Br- and I-, but cannot differentiate between the two. We hypothesized that rigidification of the nanojar outer shell by tethering pairs of pyrazole moieties together will restrict the possible orientations of the OH hydrogen-bond donor groups in the anion-binding cavity of nanojars, similarly to anion-binding proteins, and will lead to selectivity. Indeed, by using either homoleptic or heteroleptic nanojars of the general formula [anion⊂Cun(OH)n(L2-L6)y(pz)n-2y]2- (n = 26-31) based on a series of homologous ligands HpzCH2(CH2)xCH2pzH (x = 0-4; H2L2-H2L6), selectivity for carbonate (with L2 and with L4-L6/pz mixtures) or for sulfate (with L3) has been achieved. The synthesis of new ligands H2L3, H2L4 and H2L5, X-ray crystal structures of H2L4 and the tetrahydropyranyl-protected derivatives (THP)2L4 and (THP)2L5, synthesis and characterization by electrospray-ionization mass spectrometry (ESI-MS) of carbonate- and sulfate-nanojars derived from ligands H2L2-H2L6, as well as detailed selectivity studies for CO32-vs. SO42- using these novel nanojars are presented.
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Affiliation(s)
- Wisam A Al Isawi
- Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008, USA.
| | - Austin Z Salome
- Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008, USA.
| | - Basil M Ahmed
- Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008, USA.
| | - Matthias Zeller
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, USA
| | - Gellert Mezei
- Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008, USA.
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Bie F, Yao Y, Cao H, Shi Y, Yan P, Ma J, Han Y, Liu X. Convenient synthesis of N-1-alkyl benzimidazoles via Pd catalyzed C–N bond formation and cyclization. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1939056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Fusheng Bie
- Engineering and Technology Institute of LuNan Coal Chemical Engineering, ZaoZhuang University, Zaozhuang, P. R. China
| | - Yongfeng Yao
- Zaozhuang Ecological Environment Monitoring Center, Zaozhuang, P. R. China
| | - Han Cao
- Engineering and Technology Institute of LuNan Coal Chemical Engineering, ZaoZhuang University, Zaozhuang, P. R. China
| | - Yijun Shi
- Engineering and Technology Institute of LuNan Coal Chemical Engineering, ZaoZhuang University, Zaozhuang, P. R. China
| | - Peng Yan
- Engineering and Technology Institute of LuNan Coal Chemical Engineering, ZaoZhuang University, Zaozhuang, P. R. China
| | - Jie Ma
- Engineering and Technology Institute of LuNan Coal Chemical Engineering, ZaoZhuang University, Zaozhuang, P. R. China
| | - Ying Han
- Engineering and Technology Institute of LuNan Coal Chemical Engineering, ZaoZhuang University, Zaozhuang, P. R. China
| | - Xuejing Liu
- Engineering and Technology Institute of LuNan Coal Chemical Engineering, ZaoZhuang University, Zaozhuang, P. R. China
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Putta RR, Chun S, Lee SB, Oh DC, Hong S. Iron-Catalyzed Acceptorless Dehydrogenative Coupling of Alcohols With Aromatic Diamines: Selective Synthesis of 1,2-Disubstituted Benzimidazoles. Front Chem 2020; 8:429. [PMID: 32637390 PMCID: PMC7317090 DOI: 10.3389/fchem.2020.00429] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 04/23/2020] [Indexed: 12/11/2022] Open
Abstract
Benzimidazoles are important N-heteroaromatic compounds with various biological activities and pharmacological applications. Herein, we present the first iron-catalyzed selective synthesis of 1,2-disubstituted benzimidazoles via acceptorless dehydrogenative coupling of primary alcohols with aromatic diamines. The tricarbonyl (η4-cyclopentadienone) iron complex catalyzed dehydrogenative cyclization, releasing water and hydrogen gas as by-products. The earth abundance and low toxicity of iron metal enable the provision of an eco-friendly and efficient catalytic method for the synthesis of benzimidazoles.
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Affiliation(s)
| | - Simin Chun
- BK21 PLUS Project, College of Pharmacy, Seoul National University, Seoul, South Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Seok Beom Lee
- BK21 PLUS Project, College of Pharmacy, Seoul National University, Seoul, South Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Dong-Chan Oh
- BK21 PLUS Project, College of Pharmacy, Seoul National University, Seoul, South Korea
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Suckchang Hong
- BK21 PLUS Project, College of Pharmacy, Seoul National University, Seoul, South Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
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Wells KM, Mehrman SJ, Abdel-Magid AF, Ferraro C, Scott L, Zhong HM, Teleha CA, Ballentine S, Li X, Russell RK, Spink JM, Diamond C, Youells S, Zhang Y, Tsay FR, Cesco-Cancia S, Manzo SM, Beauchamp DA. Synthesis of Mavatrep: A Potent Antagonist of Transient Receptor Potential Vanilloid-1. Org Process Res Dev 2015. [DOI: 10.1021/acs.oprd.5b00271] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kenneth M. Wells
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Steven J. Mehrman
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Ahmed F. Abdel-Magid
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Caterina Ferraro
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Lorraine Scott
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Hua Marlon Zhong
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Christopher A. Teleha
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Scott Ballentine
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Xun Li
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Ronald K. Russell
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Jan M. Spink
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Craig Diamond
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Scott Youells
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Yongzheng Zhang
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Fuh-Rong Tsay
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Sergio Cesco-Cancia
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Stephen M. Manzo
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
| | - Derek A. Beauchamp
- Janssen Research and Development, LLC, Welsh & McKean Roads, Spring House, Pennsylvania 19477-0776, United States
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Deprotection of N-benzylbenzimidazoles and N-benzylimidazoles with triethylsilane and Pd/C. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.03.127] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Li Y, Jin J, Qian W, Bao W. An efficient and convenient Cu(OAc)2/air mediated oxidative coupling of azoles via C–H activation. Org Biomol Chem 2010; 8:326-30. [DOI: 10.1039/b919396k] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Lygin AV, de Meijere A. Synthesis of 1-Substituted Benzimidazoles fromo-Bromophenyl Isocyanide and Amines. European J Org Chem 2009. [DOI: 10.1002/ejoc.200900820] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Laroche C, Kerwin SM. Lithiation and functionalization of 1-alkynylimidazoles at the 2-position. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.06.133] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Schnürch M, Flasik R, Khan AF, Spina M, Mihovilovic MD, Stanetty P. Cross‐Coupling Reactions on Azoles with Two and More Heteroatoms. European J Org Chem 2006. [DOI: 10.1002/ejoc.200600089] [Citation(s) in RCA: 252] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Michael Schnürch
- Vienna University of Technology, Institute of Applied Synthetic Chemistry, Getreidemarkt 9/163‐OC, 1060 Vienna, Austria, Fax: +43‐1‐58801‐15499
| | - Radoslav Flasik
- Vienna University of Technology, Institute of Applied Synthetic Chemistry, Getreidemarkt 9/163‐OC, 1060 Vienna, Austria, Fax: +43‐1‐58801‐15499
| | - Ather Farooq Khan
- Vienna University of Technology, Institute of Applied Synthetic Chemistry, Getreidemarkt 9/163‐OC, 1060 Vienna, Austria, Fax: +43‐1‐58801‐15499
| | - Markus Spina
- Vienna University of Technology, Institute of Applied Synthetic Chemistry, Getreidemarkt 9/163‐OC, 1060 Vienna, Austria, Fax: +43‐1‐58801‐15499
| | - Marko D. Mihovilovic
- Vienna University of Technology, Institute of Applied Synthetic Chemistry, Getreidemarkt 9/163‐OC, 1060 Vienna, Austria, Fax: +43‐1‐58801‐15499
| | - Peter Stanetty
- Vienna University of Technology, Institute of Applied Synthetic Chemistry, Getreidemarkt 9/163‐OC, 1060 Vienna, Austria, Fax: +43‐1‐58801‐15499
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