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Krajewska J, Chyży P, Durka K, Wińska P, Krzyśko KA, Luliński S, Laudy AE. Aromatic Diboronic Acids as Effective KPC/AmpC Inhibitors. Molecules 2023; 28:7362. [PMID: 37959781 PMCID: PMC10648349 DOI: 10.3390/molecules28217362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 11/15/2023] Open
Abstract
Over 30 compounds, including para-, meta-, and ortho-phenylenediboronic acids, ortho-substituted phenylboronic acids, benzenetriboronic acids, di- and triboronated thiophenes, and pyridine derivatives were investigated as potential β-lactamase inhibitors. The highest activity against KPC-type carbapenemases was found for ortho-phenylenediboronic acid 3a, which at the concentration of 8/4 mg/L reduced carbapenems' MICs up to 16/8-fold, respectively. Checkerboard assays revealed strong synergy between carbapenems and 3a with the fractional inhibitory concentrations indices of 0.1-0.32. The nitrocefin hydrolysis test and the whole cell assay with E. coli DH5α transformant carrying blaKPC-3 proved KPC enzyme being its molecular target. para-Phenylenediboronic acids efficiently potentiated carbapenems against KPC-producers and ceftazidime against AmpC-producers, whereas meta-phenylenediboronic acids enhanced only ceftazidime activity against the latter ones. Finally, the statistical analysis confirmed that ortho-phenylenediboronic acids act synergistically with carbapenems significantly stronger than other groups. Since the obtained phenylenediboronic compounds are not toxic to MRC-5 human fibroblasts at the tested concentrations, they can be considered promising scaffolds for the future development of novel KPC/AmpC inhibitors. The complexation of KPC-2 with the most representative isomeric phenylenediboronic acids 1a, 2a, and 3a was modeled by quantum mechanics/molecular mechanics calculations. Compound 3a reached the most effective configuration enabling covalent binding to the catalytic Ser70 residue.
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Affiliation(s)
- Joanna Krajewska
- Department of Pharmaceutical Microbiology and Bioanalysis, Medical University of Warsaw, 02-097 Warsaw, Poland;
| | - Piotr Chyży
- Centre of New Technologies, University of Warsaw, 02-097 Warsaw, Poland;
| | - Krzysztof Durka
- Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland; (K.D.); (P.W.); (S.L.)
| | - Patrycja Wińska
- Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland; (K.D.); (P.W.); (S.L.)
| | | | - Sergiusz Luliński
- Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland; (K.D.); (P.W.); (S.L.)
| | - Agnieszka E. Laudy
- Department of Pharmaceutical Microbiology and Bioanalysis, Medical University of Warsaw, 02-097 Warsaw, Poland;
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Krajewska J, Nowicki K, Durka K, Marek-Urban PH, Wińska P, Stępniewski T, Woźniak K, Laudy AE, Luliński S. Oxazoline scaffold in synthesis of benzosiloxaboroles and related ring-expanded heterocycles: diverse reactivity, structural peculiarities and antimicrobial activity. RSC Adv 2022; 12:23099-23117. [PMID: 36090419 PMCID: PMC9379557 DOI: 10.1039/d2ra03910a] [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: 06/24/2022] [Accepted: 08/07/2022] [Indexed: 11/21/2022] Open
Abstract
Two isomeric benzosiloxaborole derivatives 3a and 5a bearing fluorine and 4,4-dimethyl-2-oxazolin-2-yl substituents attached to the aromatic rings were obtained. Both compounds were prone to hydrolytic cleavage of the oxazoline ring after initial protonation or methylation of the nitrogen atom. The derivative 3c featuring N-methylammoniumalkyl ester functionality was successfully subjected to N-sulfonylation and N-acylation reactions to give respective derivatives which demonstrates its potential for modular synthesis of structurally extended benzosiloxaboroles. Compound 5c bearing N-ammoniumalkyl ester underwent conversion to a unique macrocyclic dimer due to siloxaborole ring opening. Furthermore, an unexpected 4-electron reduction of the oxazoline ring occurred during an attempted synthesis of 5a. The reaction gave rise to an unprecedented 7-membered heterocyclic system 4a comprising a relatively stable B–O–B–O–Si linkage and stabilized by an intramolecular N–B coordination. It could be cleaved to derivative 4c bearing BOH and SiMe2OH groups which acts as a pseudo-diol as demonstrated by formation of an adduct with Tavaborole. Apart from the multinuclear NMR spectroscopy characterization, crystal structures of the obtained products were determined in many cases by X-ray diffraction. Investigation of biological activity of the obtained compounds revealed that derivatives 3e and 3f with pendant N-methyl arylsulfonamide groups exhibit high activity against Gram-positive cocci such as methicillin-sensitive Staphylococcus aureus ATCC 6538P, methicillin-resistant S. aureus (MRSA) ATCC 43300 as well as the MRSA clinical strains, with MIC values in the range of 3.12–6.25 mg L−1. These two compounds also showed activity against Enterococcus faecalis ATCC 29212 and Enterococcus faecium ATCC 6057 (with MICs of 25–50 mg L−1). The results of the antimicrobial activity and cytotoxicity studies indicate that 3e and 3f can be considered as potential antibacterial agents, especially against S. aureus MRSA. Transformations of oxazoline–benzosiloxaborole conjugates gave rise to novel boracyclic systems as well as functionalized derivatives featuring antibacterial activity.![]()
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Affiliation(s)
- Joanna Krajewska
- Department of Pharmaceutical Microbiology, Medical University of Warsaw, Banacha 1 b, 02-097, Warsaw, Poland
| | - Krzysztof Nowicki
- Warsaw University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Krzysztof Durka
- Warsaw University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Paulina H. Marek-Urban
- Warsaw University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Patrycja Wińska
- Warsaw University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Tomasz Stępniewski
- GPCR Drug Discovery Lab, Research Programme on Biomedical Informatics (GRIB), Hospital del Mar Medical Research Institute (IMIM) – Department of Experimental and Health Sciences of Pompeu Fabra University (UPF), Carrer del Dr Aiguader, 88, 08003 Barcelona, Spain
| | - Krzysztof Woźniak
- University of Warsaw, Faculty of Chemistry, Pasteura 1, 02-093 Warsaw, Poland
| | - Agnieszka E. Laudy
- Department of Pharmaceutical Microbiology, Medical University of Warsaw, Banacha 1 b, 02-097, Warsaw, Poland
| | - Sergiusz Luliński
- Warsaw University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland
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Equilibria in the 3-(trifluoromethyl)phenylboronic acid - boroxine system. Solubility of the acid and its cyclic esters in organic solvents. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121947] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Abstract
AbstractThe solubilities of phenylboronic acid, its pinacol ester and azaester in organic solvents (chloroform, 3-pentanone, acetone, dipropyl ether and methylcyclohexane) have been determined experimentally by a dynamic method, in which the disappearance of turbidity was determined by measuring of light intensity using a luminance probe. Phenylboronic acid has high solubility in ether and ketones, moderate in chloroform and very low in hydrocarbon. Pinacol ester and azaester show better solubility than the parent acid in all tested solvents. For pinacol ester differences between particular solvents are small, while for azaester the differences are significant. For both esters the highest solubility is observed in chloroform and the lowest in the hydrocarbon. The results have been correlated by the Wilson, NRTL and Redlich–Kister equations. For the phenylboronic acid better correlation of the data is obtained by polynomials in comparison with the above equations. It is connected with additional acid-anhydride equilibrium in the system. The influence of polarity of the solvents on the solubility is discussed.
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Okamura N, Maeda T, Yagi S. Janus-Type Dendritic Organoiridium(III) Complex Bearing Hole- and Electron-Transporting Moieties: Synthesis, Luminescence Properties, and OLED Applications. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20180139] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Naoki Okamura
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Takeshi Maeda
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Shigeyuki Yagi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
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Shape-Persistent Tetrahedral [4+6] Boronic Ester Cages with Different Degrees of Fluoride Substitution. Chemistry 2018; 24:11438-11443. [DOI: 10.1002/chem.201802123] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 06/12/2018] [Indexed: 12/18/2022]
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Gozdalik JT, Adamczyk-Woźniak A, Sporzyński A. Influence of fluorine substituents on the properties of phenylboronic compounds. PURE APPL CHEM 2017. [DOI: 10.1515/pac-2017-1009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Abstract
Rapid development of research on the chemistry of boronic acids is connected with their applications in organic synthesis, analytical chemistry, materials’ chemistry, biology and medicine. In many applications Lewis acidity of boron atoms plays an important role. Special group of arylboronic acids are fluoro-substituted compounds, in which the electron withdrawing character of fluorine atoms influences their properties. The present paper deals with fluoro-substituted boronic acids and their derivatives: esters, benzoxaboroles and boroxines. Properties of these compounds, i.e. acidity, hydrolytic stability, structures in crystals and in solution as well as spectroscopic properties are discussed. In the next part examples of important applications are given.
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Affiliation(s)
- Jan T. Gozdalik
- Faculty of Chemistry, Warsaw University of Technology , Noakowskiego 3 , 00-664 Warsaw , Poland
| | | | - Andrzej Sporzyński
- Faculty of Chemistry, Warsaw University of Technology , Noakowskiego 3 , 00-664 Warsaw , Poland
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Gontarczyk K, Durka K, Klimkowski P, Luliński S, Serwatowski J, Woźniak K. Synthesis and characterization of di-, tri- and tetraboronic acids based on phenyl- and thienylsilane cores. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.01.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Steciuk I, Durka K, Gontarczyk K, Dąbrowski M, Luliński S, Woźniak K. Nitrogen–boron coordination versus OH⋯N hydrogen bonding in pyridoxaboroles – aza analogues of benzoxaboroles. Dalton Trans 2015; 44:16534-46. [DOI: 10.1039/c5dt02402a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Pyridoxaboroles are novel amphoteric heterocycles forming either hydrogen-bonded networks or polymeric aggregates depending on the donor properties of a nitrogen atom.
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Affiliation(s)
- I. Steciuk
- Warsaw University of Technology
- Faculty of Chemistry
- Physical Chemistry Department
- 00-664 Warsaw
- Poland
| | - K. Durka
- Warsaw University of Technology
- Faculty of Chemistry
- Physical Chemistry Department
- 00-664 Warsaw
- Poland
| | - K. Gontarczyk
- Warsaw University of Technology
- Faculty of Chemistry
- Physical Chemistry Department
- 00-664 Warsaw
- Poland
| | - M. Dąbrowski
- Warsaw University of Technology
- Faculty of Chemistry
- Physical Chemistry Department
- 00-664 Warsaw
- Poland
| | - S. Luliński
- Warsaw University of Technology
- Faculty of Chemistry
- Physical Chemistry Department
- 00-664 Warsaw
- Poland
| | - K. Woźniak
- University of Warsaw
- Department of Chemistry
- 02-093 Warsaw
- Poland
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Durka K, Luliński S, Serwatowski J, Woźniak K. Influence of Fluorination and Boronic Group Synergy on the Acidity and Structural Behavior of o-Phenylenediboronic Acids. Organometallics 2014. [DOI: 10.1021/om401146p] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Krzysztof Durka
- Department of Chemistry, University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Sergiusz Luliński
- Department of Chemistry, University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Janusz Serwatowski
- Department of Chemistry, University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
| | - Krzysztof Woźniak
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
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Wesela-Bauman G, Jastrzębski L, Kurach P, Luliński S, Serwatowski J, Woźniak K. Synthesis of functionalized diarylborinic 8-oxyquinolates via bimetallic boron–lithium intermediates. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.03.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Borowska E, Durka K, Luliński S, Serwatowski J, Woźniak K. On the Directing Effect of Boronate Groups in the Lithiation of Boronated Thiophenes. European J Org Chem 2012. [DOI: 10.1002/ejoc.201101764] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Durka K, Kliś T, Serwatowski J, Woźniak K. Functionalization of some benzylthioarylboronic acids by benzylic lithiation of their N-butyldiethanolamine esters or lithium (triisopropoxy)borates. Appl Organomet Chem 2011. [DOI: 10.1002/aoc.1822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Durka K, Kamiński R, Luliński S, Serwatowski J, Woźniak K. On the nature of the B⋯N interaction and the conformational flexibility of arylboronic azaesters. Phys Chem Chem Phys 2010; 12:13126-36. [DOI: 10.1039/c0cp00030b] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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