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Barbieri F, Carlen V, Martina MG, Sannio F, Cancade S, Perini C, Restori M, Crespan E, Maga G, Docquier JD, Cagno V, Radi M. 4-Trifluoromethyl bithiazoles as broad-spectrum antimicrobial agents for virus-related bacterial infections or co-infections. RSC Med Chem 2024; 15:1589-1600. [PMID: 38784463 PMCID: PMC11110737 DOI: 10.1039/d3md00686g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 03/07/2024] [Indexed: 05/25/2024] Open
Abstract
Respiratory tract infections involving a variety of microorganisms such as viruses, bacteria, and fungi are a prominent cause of morbidity and mortality globally, exacerbating various pre-existing respiratory and non-respiratory conditions. Moreover, the ability of bacteria and viruses to coexist might impact the development and severity of lung infections, promoting bacterial colonization and subsequent disease exacerbation. Secondary bacterial infections following viral infections represent a complex challenge to be overcome from a therapeutic point of view. We report herein our efforts in the development of new bithiazole derivatives showing broad-spectrum antimicrobial activity against both viruses and bacteria. A series of 4-trifluoromethyl bithiazole analogues was synthesized and screened against selected viruses (hRVA16, EVD68, and ZIKV) and a panel of Gram-positive and Gram-negative bacteria. Among them, two promising broad-spectrum antimicrobial compounds (8a and 8j) have been identified: both compounds showed low micromolar activity against all tested viruses, 8a showed synergistic activity against E. coli and A. baumannii in the presence of a subinhibitory concentration of colistin, while 8j showed a broader spectrum of activity against Gram-positive and Gram-negative bacteria. Activity against antibiotic-resistant clinical isolates is also reported. Given the ever-increasing need to adequately address viral and bacterial infections or co-infections, this study paves the way for the development of new agents with broad antimicrobial properties and synergistic activity with common antivirals and antibacterials.
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Affiliation(s)
- Francesca Barbieri
- Dipartimento di Scienze degli Alimenti e del Farmaco (DipALIFAR), Università degli Studi di Parma Viale delle Scienze, 27/A 43124 Parma Italy
| | - Vincent Carlen
- Institute of Microbiology, University Hospital of Lausanne, University of Lausanne 1011 Lausanne Switzerland
| | - Maria Grazia Martina
- Dipartimento di Scienze degli Alimenti e del Farmaco (DipALIFAR), Università degli Studi di Parma Viale delle Scienze, 27/A 43124 Parma Italy
| | - Filomena Sannio
- Dipartimento di Biotecnologie Mediche, Università degli Studi di Siena Viale Bracci 16 53100 Siena Italy
| | - Sacha Cancade
- Dipartimento di Biotecnologie Mediche, Università degli Studi di Siena Viale Bracci 16 53100 Siena Italy
| | - Cecilia Perini
- Institute of Molecular Genetics IGM-CNR "Luigi Luca Cavalli-Sforza" Via Abbiategrasso 207 I-27100 Pavia Italy
| | - Margherita Restori
- Dipartimento di Scienze degli Alimenti e del Farmaco (DipALIFAR), Università degli Studi di Parma Viale delle Scienze, 27/A 43124 Parma Italy
| | - Emmanuele Crespan
- Institute of Molecular Genetics IGM-CNR "Luigi Luca Cavalli-Sforza" Via Abbiategrasso 207 I-27100 Pavia Italy
| | - Giovanni Maga
- Institute of Molecular Genetics IGM-CNR "Luigi Luca Cavalli-Sforza" Via Abbiategrasso 207 I-27100 Pavia Italy
| | - Jean-Denis Docquier
- Dipartimento di Biotecnologie Mediche, Università degli Studi di Siena Viale Bracci 16 53100 Siena Italy
| | - Valeria Cagno
- Institute of Microbiology, University Hospital of Lausanne, University of Lausanne 1011 Lausanne Switzerland
| | - Marco Radi
- Dipartimento di Scienze degli Alimenti e del Farmaco (DipALIFAR), Università degli Studi di Parma Viale delle Scienze, 27/A 43124 Parma Italy
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Phaenok S, Nguyen LA, Soorukram D, Nguyen TTT, Retailleau P, Nguyen TB. Sulfur- and Amine- Promoted Multielectron Autoredox Transformation of Nitromethane: Multicomponent Access to Thiourea Derivatives. Chemistry 2024; 30:e202303703. [PMID: 37953668 DOI: 10.1002/chem.202303703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 11/12/2023] [Accepted: 11/13/2023] [Indexed: 11/14/2023]
Abstract
Thiourea derivatives are in-demand motifs in organic synthesis, medicinal chemistry and material science, yet redox methods for the synthesis that start from safe, simple, inexpensive and readily available feedstocks are scarce. In this article, we disclose the synthesis of these motifs using elemental sulfur and nitromethane as the starting materials. The method harnesses the multi-electron auto-redox property of nitromethane in the presence of sulfur and amines, delivering thiourea products without any added oxidant or reductant. Extension of this reaction to cyclizable amines and/or higher homologues of nitromethane led to a wide range of nitrogen heterocycles and thioamides. Operationally simple, the reactions are scalable, tolerate a wide range of functional groups, and can be employed for the direct functionalization of natural products. Mechanistically, the nitro group was found to act as an oxidant leaving group, being reduced to ammonia whereas sulfur, along with the role of a sulfur building block for the thiocarbonyl group, behaved as a complementary reductant, being oxidized to sulfate.
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Affiliation(s)
- Supasorn Phaenok
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Université Paris-Sud, Université Paris-Saclay, 1, av de la Terrasse, 91198, Gif-sur-Yvette, France
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
| | - Le Anh Nguyen
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
- Institute of Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Darunee Soorukram
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
| | - Thi Thanh Tam Nguyen
- Univ Paris Est Creteil, CNRS, Institut de Chimie et des Matériaux Paris-Est, UMR 7182, 2 rue Henri Dunant, 94320, Thiais, France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Université Paris-Sud, Université Paris-Saclay, 1, av de la Terrasse, 91198, Gif-sur-Yvette, France
| | - Thanh Binh Nguyen
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Université Paris-Sud, Université Paris-Saclay, 1, av de la Terrasse, 91198, Gif-sur-Yvette, France
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Ribaudo G, Carotti M, Ongaro A, Oselladore E, Scano M, Zagotto G, Sandonà D, Gianoncelli A. Synthesis and Evaluation of Bithiazole Derivatives As Potential α-Sarcoglycan Correctors. ACS Med Chem Lett 2023; 14:1049-1053. [PMID: 37583821 PMCID: PMC10424318 DOI: 10.1021/acsmedchemlett.3c00046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 07/26/2023] [Indexed: 08/17/2023] Open
Abstract
4'-Methyl-4,5'-bithiazoles were previously identified as cystic fibrosis transmembrane regulator (CFTR) correctors, thus being able to correct folding defective mutants of the channel regulating chloride transport through the membrane. Additionally, bithiazole derivative C17 was reported to recover α-sarcoglycan in vitro and in vivo. We report here the synthesis of two new derivatives of C17, in which the two sides of the bithiazole scaffold were modified. The synthesized compounds and the corresponding precursors were tested in myogenic cells to evaluate the expression of α-sarcoglycan. The results highlighted that both substitutions of the bithiazole scaffold are important to achieve the maximum recovery of the α-sarcoglycan mutant. Nonetheless, partial preservation of the activity was observed. Accordingly, this paves the way to further derivatizations/optimization and target fishing studies, which were preliminarily performed in this study as a proof of concept, allowing the investigation of the molecular mechanisms leading to the α-sarcoglycan correction.
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Affiliation(s)
- Giovanni Ribaudo
- Department
of Molecular and Translational Medicine, University of Brescia, viale Europa 11, 25121 Brescia, Italy
| | - Marcello Carotti
- Department
of Biomedical Sciences, University of Padova, via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Alberto Ongaro
- Department
of Pharmaceutical and Pharmacological Sciences, University of Padova, via Marzolo 5, 35131 Padova, Italy
| | - Erika Oselladore
- Department
of Molecular and Translational Medicine, University of Brescia, viale Europa 11, 25121 Brescia, Italy
| | - Martina Scano
- Department
of Biomedical Sciences, University of Padova, via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Giuseppe Zagotto
- Department
of Pharmaceutical and Pharmacological Sciences, University of Padova, via Marzolo 5, 35131 Padova, Italy
| | - Dorianna Sandonà
- Department
of Biomedical Sciences, University of Padova, via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Alessandra Gianoncelli
- Department
of Molecular and Translational Medicine, University of Brescia, viale Europa 11, 25121 Brescia, Italy
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