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Voráčová M, Zore M, Yli-Kauhaluoma J, Kiuru P. Harvesting phosphorus-containing moieties for their antibacterial effects. Bioorg Med Chem 2023; 96:117512. [PMID: 37939493 DOI: 10.1016/j.bmc.2023.117512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/10/2023]
Abstract
Clinically manifested resistance of bacteria to antibiotics has emerged as a global threat to society and there is an urgent need for the development of novel classes of antibacterial agents. Recently, the use of phosphorus in antibacterial agents has been explored in quite an unprecedent manner. In this comprehensive review, we summarize the use of phosphorus-containing moieties (phosphonates, phosphonamidates, phosphonopeptides, phosphates, phosphoramidates, phosphinates, phosphine oxides, and phosphoniums) in compounds with antibacterial effect, including their use as β-lactamase inhibitors and antibacterial disinfectants. We show that phosphorus-containing moieties can serve as novel pharmacophores, bioisosteres, and prodrugs to modify pharmacodynamic and pharmacokinetic properties. We further discuss the mechanisms of action, biological activities, clinical use and highlight possible future prospects.
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Affiliation(s)
- Manuela Voráčová
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Matej Zore
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Jari Yli-Kauhaluoma
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Paula Kiuru
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland.
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Česnek M, Šafránek M, Dračínský M, Tloušťová E, Mertlíková-Kaiserová H, Hayes MP, Watts VJ, Janeba Z. Halogen-Dance-Based Synthesis of Phosphonomethoxyethyl (PME) Substituted 2-Aminothiazoles as Potent Inhibitors of Bacterial Adenylate Cyclases. ChemMedChem 2022; 17:e202100568. [PMID: 34636150 PMCID: PMC8741643 DOI: 10.1002/cmdc.202100568] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 10/11/2021] [Indexed: 01/07/2023]
Abstract
A series of acyclic nucleoside phosphonates (ANPs) was designed as inhibitors of bacterial adenylate cyclases (ACs), where adenine was replaced with 2-amino-4-arylthiazoles. The target compounds were prepared using the halogen dance reaction. Final AC inhibitors were evaluated in cell-based assays (prodrugs) and cell-free assays (phosphono diphosphates). Novel ANPs were potent inhibitors of adenylate cyclase toxin (ACT) from Bordetella pertussis and edema factor (EF) from Bacillus anthracis, with substantial selectivity over mammalian enzymes AC1, AC2, and AC5. Six of the new ANPs were more potent or equipotent ACT inhibitors (IC50 =9-18 nM), and one of them was more potent EF inhibitor (IC50 =12 nM), compared to adefovir diphosphate (PMEApp) with IC50 =18 nM for ACT and IC50 =36 nM for EF. Thus, these compounds represent the most potent ACT/EF inhibitors based on ANPs reported to date. The potency of the phosphonodiamidates to inhibit ACT activity in J774A.1 macrophage cells was somewhat weaker, where the most potent derivative had IC50 =490 nM compared to IC50 =150 nM of the analogous adefovir phosphonodiamidate. The results suggest that more efficient type of phosphonate prodrugs would be desirable to increase concentrations of the ANP-based active species in the cells in order to proceed with the development of ANPs as potential antitoxin therapeutics.
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Affiliation(s)
- Michal Česnek
- Institute of Organic Chemistry and Biochemistry of the
Czech Academy of Sciences, Flemingovo nám. 542/2, 16000, Prague 6 (Czech
Republic
| | - Michal Šafránek
- Institute of Organic Chemistry and Biochemistry of the
Czech Academy of Sciences, Flemingovo nám. 542/2, 16000, Prague 6 (Czech
Republic
| | - Martin Dračínský
- Institute of Organic Chemistry and Biochemistry of the
Czech Academy of Sciences, Flemingovo nám. 542/2, 16000, Prague 6 (Czech
Republic
| | - Eva Tloušťová
- Institute of Organic Chemistry and Biochemistry of the
Czech Academy of Sciences, Flemingovo nám. 542/2, 16000, Prague 6 (Czech
Republic
| | - Helena Mertlíková-Kaiserová
- Institute of Organic Chemistry and Biochemistry of the
Czech Academy of Sciences, Flemingovo nám. 542/2, 16000, Prague 6 (Czech
Republic
| | - Michael P. Hayes
- Department of Medicinal Chemistry and Molecular
Pharmacology, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West
Lafayette, IN – 47907 (USA)
| | - Val J. Watts
- Department of Medicinal Chemistry and Molecular
Pharmacology, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West
Lafayette, IN – 47907 (USA)
| | - Zlatko Janeba
- Institute of Organic Chemistry and Biochemistry of the
Czech Academy of Sciences, Flemingovo nám. 542/2, 16000, Prague 6 (Czech
Republic
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Krečmerová M, Majer P, Rais R, Slusher BS. Phosphonates and Phosphonate Prodrugs in Medicinal Chemistry: Past Successes and Future Prospects. Front Chem 2022; 10:889737. [PMID: 35668826 PMCID: PMC9163707 DOI: 10.3389/fchem.2022.889737] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/26/2022] [Indexed: 12/25/2022] Open
Abstract
Compounds with a phosphonate group, i.e., -P(O)(OH)2 group attached directly to the molecule via a P-C bond serve as suitable non-hydrolyzable phosphate mimics in various biomedical applications. In principle, they often inhibit enzymes utilizing various phosphates as substrates. In this review we focus mainly on biologically active phosphonates that originated from our institute (Institute of Organic Chemistry and Biochemistry in Prague); i.e., acyclic nucleoside phosphonates (ANPs, e.g., adefovir, tenofovir, and cidofovir) and derivatives of non-nucleoside phosphonates such as 2-(phosphonomethyl) pentanedioic acid (2-PMPA). Principal strategies of their syntheses and modifications to prodrugs is reported. Besides clinically used ANP antivirals, a special attention is paid to new biologically active molecules with respect to emerging infections and arising resistance of many pathogens against standard treatments. These new structures include 2,4-diamino-6-[2-(phosphonomethoxy)ethoxy]pyrimidines or so-called "open-ring" derivatives, acyclic nucleoside phosphonates with 5-azacytosine as a base moiety, side-chain fluorinated ANPs, aza/deazapurine ANPs. When transformed into an appropriate prodrug by derivatizing their charged functionalities, all these compounds show promising potential to become drug candidates for the treatment of viral infections. ANP prodrugs with suitable pharmacokinetics include amino acid phosphoramidates, pivaloyloxymethyl (POM) and isopropoxycarbonyloxymethyl (POC) esters, alkyl and alkoxyalkyl esters, salicylic esters, (methyl-2-oxo-1,3-dioxol-4-yl) methyl (ODOL) esters and peptidomimetic prodrugs. We also focus on the story of cytostatics related to 9-[2-(phosphonomethoxy)ethyl]guanine and its prodrugs which eventually led to development of the veterinary drug rabacfosadine. Various new ANP structures are also currently investigated as antiparasitics, especially antimalarial agents e.g., guanine and hypoxanthine derivatives with 2-(phosphonoethoxy)ethyl moiety, their thia-analogues and N-branched derivatives. In addition to ANPs and their analogs, we also describe prodrugs of 2-(phosphonomethyl)pentanedioic acid (2-PMPA), a potent inhibitor of the enzyme glutamate carboxypeptidase II (GCPII), also known as prostate-specific membrane antigen (PSMA). Glutamate carboxypeptidase II inhibitors, including 2-PMPA have been found efficacious in various preclinical models of neurological disorders which are caused by glutamatergic excitotoxicity. Unfortunately its highly polar character and hence low bioavailability severely limits its potential for clinical use. To overcome this problem, various prodrug strategies have been used to mask carboxylates and/or phosphonate functionalities with pivaloyloxymethyl, POC, ODOL and alkyl esters. Chemistry and biological characterization led to identification of prodrugs with 44-80 fold greater oral bioavailability (tetra-ODOL-2-PMPA).
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Affiliation(s)
- Marcela Krečmerová
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic (ASCR), Prague, Czechia
- *Correspondence: Marcela Krečmerová,
| | - Pavel Majer
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic (ASCR), Prague, Czechia
| | - Rana Rais
- Departments of Neurology, Pharmacology and Molecular Sciences, Johns Hopkins Drug Discovery, Baltimore, MD, United States
| | - Barbara S. Slusher
- Departments of Neurology, Pharmacology and Molecular Sciences, Psychiatry and Behavioral Sciences, Neuroscience, Medicine, Oncology, Johns Hopkins Drug Discovery, Baltimore, MD, United States
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Břehová P, Chaloupecká E, Česnek M, Skácel J, Dračínský M, Tloušťová E, Mertlíková-Kaiserová H, Soto-Velasquez MP, Watts VJ, Janeba Z. Acyclic nucleoside phosphonates with 2-aminothiazole base as inhibitors of bacterial and mammalian adenylate cyclases. Eur J Med Chem 2021; 222:113581. [PMID: 34102377 PMCID: PMC8373703 DOI: 10.1016/j.ejmech.2021.113581] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 04/22/2021] [Accepted: 05/22/2021] [Indexed: 11/17/2022]
Abstract
A series of novel acyclic nucleoside phosphonates (ANPs) was synthesized as potential adenylate cyclase inhibitors, where the adenine nucleobase of adefovir (PMEA) was replaced with a 5-substituted 2-aminothiazole moiety. The design was based on the structure of MB05032, a potent and selective inhibitor of fructose 1,6-bisphosphatase and a good mimic of adenosine monophosphate (AMP). From the series of eighteen novel ANPs, which were prepared as phosphoroamidate prodrugs, fourteen compounds were potent (single digit micromolar or submicromolar) inhibitors of Bordetella pertussis adenylate cyclase toxin (ACT), mostly without observed cytotoxicity in J774A.1 macrophage cells. Selected phosphono diphosphates (nucleoside triphosphate analogues) were potent inhibitors of ACT (IC50 as low as 37 nM) and B. anthracis edema factor (IC50 as low as 235 nM) in enzymatic assays. Furthermore, several ANPs were found to be selective mammalian AC1 inhibitors in HEK293 cell-based assays (although with some associated cytotoxicity) and one compound exhibited selective inhibition of mammalian AC2 (only 12% of remaining adenylate cyclase activity) but no observed cytotoxicity. The mammalian AC1 inhibitors may represent potential leads in development of agents for treatment of human inflammatory and neuropathic pain.
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Affiliation(s)
- Petra Břehová
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, 16610, Prague 6, Czech Republic
| | - Ema Chaloupecká
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, 16610, Prague 6, Czech Republic; Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43, Prague 2, Czech Republic
| | - Michal Česnek
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, 16610, Prague 6, Czech Republic
| | - Jan Skácel
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, 16610, Prague 6, Czech Republic
| | - Martin Dračínský
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, 16610, Prague 6, Czech Republic
| | - Eva Tloušťová
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, 16610, Prague 6, Czech Republic
| | - Helena Mertlíková-Kaiserová
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, 16610, Prague 6, Czech Republic
| | - Monica P Soto-Velasquez
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN, 47907, USA
| | - Val J Watts
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN, 47907, USA.
| | - Zlatko Janeba
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, 16610, Prague 6, Czech Republic.
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Abstract
Phosphonates, often used as isosteric replacements for phosphates, can provide important interactions with an enzyme. Due to their high charge at physiological pH, however, permeation into cells can be a challenge. Protecting phosphonates as prodrugs has shown promise in drug delivery. Thus, a variety of structures and cleavage/activation mechanisms exist, enabling release of the active compound. This review describes the structural diversity of these pro-moieties, relevant cleavage mechanisms and recent advances in the design of phosphonate prodrugs.
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Pileggi E, Serpi M, Andrei G, Schols D, Snoeck R, Pertusati F. Expedient synthesis and biological evaluation of alkenyl acyclic nucleoside phosphonate prodrugs. Bioorg Med Chem 2018; 26:3596-3609. [PMID: 29880251 PMCID: PMC7126595 DOI: 10.1016/j.bmc.2018.05.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 05/18/2018] [Accepted: 05/22/2018] [Indexed: 01/27/2023]
Abstract
The importance of phosphonoamidate prodrugs (ProTides) of acyclic nucleoside phosphonate (ANPs) is highlighted by the approval of Tenofovir Alafenamide Fumarate for the treatment of HIV and HBV infections. In the present paper we are reporting an expedient, one-pot, two-steps synthesis of allyl phosphonoamidates and diamidates that offers a time saving strategy when compared to literature methods. The use of these substrates in the cross metathesis reactions with alkenyl functionalised thymine and uracil nucleobases is reported. ANPs prodrugs synthesized via this methodology were evaluated for their antiviral activities against DNA and RNA viruses. It is anticipated that the use of 5,6,7,8-tetrahydro-1-napthyl as aryloxy moiety is capable to confer antiviral activity among a series of otherwise inactive uracil ProTides.
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Affiliation(s)
- Elisa Pileggi
- School of Pharmacy and Pharmaceutical Sciences, Redwood building, King Edwards VII Avenue, CF10 3NB Cardiff, Wales, United Kingdom
| | - Michaela Serpi
- School of Pharmacy and Pharmaceutical Sciences, Redwood building, King Edwards VII Avenue, CF10 3NB Cardiff, Wales, United Kingdom
| | - Graciela Andrei
- Rega Institute for Medical Research, K.U. Leuven, Minderbroedersstraat 10, B-3000 Leuven, Belgium
| | - Dominique Schols
- Rega Institute for Medical Research, K.U. Leuven, Minderbroedersstraat 10, B-3000 Leuven, Belgium
| | - Robert Snoeck
- Rega Institute for Medical Research, K.U. Leuven, Minderbroedersstraat 10, B-3000 Leuven, Belgium
| | - Fabrizio Pertusati
- School of Pharmacy and Pharmaceutical Sciences, Redwood building, King Edwards VII Avenue, CF10 3NB Cardiff, Wales, United Kingdom.
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Peng X, Xu X, Chen S, Tian Z, Liu L, Liu Q. Cu(I)-catalyzed one-pot reactions of isatins, indoles, and amines toward unsymmetrically substituted 2-carbonylarylureas. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.02.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Frydrych J, Skácel J, Šmídková M, Mertlíková-Kaiserová H, Dračínský M, Gnanasekaran R, Lepšík M, Soto-Velasquez M, Watts VJ, Janeba Z. Synthesis of α-Branched Acyclic Nucleoside Phosphonates as Potential Inhibitors of Bacterial Adenylate Cyclases. ChemMedChem 2018; 13:199-206. [PMID: 29235265 DOI: 10.1002/cmdc.201700715] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 12/11/2017] [Indexed: 12/24/2022]
Abstract
Inhibition of Bordetella pertussis adenylate cyclase toxin (ACT) and Bacillus anthracis edema factor (EF), key virulence factors with adenylate cyclase activity, represents a potential method for treating or preventing toxemia related to whooping cough and anthrax, respectively. Novel α-branched acyclic nucleoside phosphonates (ANPs) having a hemiaminal ether moiety were synthesized as potential inhibitors of bacterial adenylate cyclases. ANPs prepared as bisamidates were not cytotoxic, but did not exhibit any profound activity (IC50 >10 μm) toward ACT in J774A.1 macrophages. The apparent lack of activity of the bisamidates is speculated to be due to the inefficient formation of the biologically active species (ANPpp) in the cells. Conversely, two 5-haloanthraniloyl-substituted ANPs in the form of diphosphates were shown to be potent ACT and EF inhibitors with IC50 values ranging from 55 to 362 nm.
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Affiliation(s)
- Jan Frydrych
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic
| | - Jan Skácel
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic
| | - Markéta Šmídková
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic
| | - Helena Mertlíková-Kaiserová
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic
| | - Martin Dračínský
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic
| | - Ramachandran Gnanasekaran
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic.,Current address: Department of Chemistry, Pondicherry University, Puducherry, 605014, India
| | - Martin Lepšík
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic
| | - Monica Soto-Velasquez
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN, 47907, USA
| | - Val J Watts
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN, 47907, USA
| | - Zlatko Janeba
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic
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Synthesis and evaluation of symmetric acyclic nucleoside bisphosphonates as inhibitors of the Plasmodium falciparum, Plasmodium vivax and human 6-oxopurine phosphoribosyltransferases and the antimalarial activity of their prodrugs. Bioorg Med Chem 2017; 25:4008-4030. [DOI: 10.1016/j.bmc.2017.05.048] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 05/15/2017] [Accepted: 05/21/2017] [Indexed: 01/22/2023]
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Novel nucleotide analogues bearing (1 H -1,2,3-triazol-4-yl)phosphonic acid moiety as inhibitors of Plasmodium and human 6-oxopurine phosphoribosyltransferases. Tetrahedron 2017. [DOI: 10.1016/j.tet.2016.12.046] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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