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Irfana Jesin CP, Padma Priya VR, Kataria R, Alisha V, Vimalkumar PS, Joseph AG, Nandi GC. A One‐Pot Tandem Synthesis of Sulfoximine‐Based Urea From Organic Acid via Curtius Rearrangement. ChemistrySelect 2022. [DOI: 10.1002/slct.202202898] [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]
Affiliation(s)
- C. P. Irfana Jesin
- Department of Chemistry National Institute of Technology-Tiruchirappalli Trichy 620015 India
| | - V. R. Padma Priya
- Department of Chemistry National Institute of Technology-Tiruchirappalli Trichy 620015 India
| | - Ramesh Kataria
- Department of Chemistry & Centre for Advanced Studies in Chemistry Panjab University Chandigarh 160014 India
| | - V. Alisha
- Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram-695019 India Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - P. S. Vimalkumar
- Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram-695019 India Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Anuja G. Joseph
- Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram-695019 India Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Ganesh Chandra Nandi
- Department of Chemistry National Institute of Technology-Tiruchirappalli Trichy 620015 India
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Vannozzi G, Vullo D, Angeli A, Ferraroni M, Combs J, Lomelino C, Andring J, Mckenna R, Bartolucci G, Pallecchi M, Lucarini L, Sgambellone S, Masini E, Carta F, Supuran CT. One-Pot Procedure for the Synthesis of Asymmetric Substituted Ureido Benzene Sulfonamides as Effective Inhibitors of Carbonic Anhydrase Enzymes. J Med Chem 2022; 65:824-837. [PMID: 34958217 DOI: 10.1021/acs.jmedchem.1c01906] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
We report a one-pot procedure for the synthesis of asymmetrical ureido-containing benzenesulfonamides based on in situ generation of the corresponding isocyanatobenezenesulfonamide species, which were trapped with the appropriate amines. A library of new compounds was generated and evaluated in vitro for their inhibition properties against a representative panel of the human (h) metalloenzymes carbonic anhydrases (EC 4.2.1.1), and the best performing compounds on the isozyme II (i.e., 7c, 9c, 11g, and 12c) were screened for their ability to reduce the intraocular pressure in glaucomatous rabbits. In addition, the binding modes of 7c, 11f, and 11g were assessed by means of X-ray crystallography.
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Affiliation(s)
- Gioele Vannozzi
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche e Nutraceutiche, University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Daniela Vullo
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche e Nutraceutiche, University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Andrea Angeli
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche e Nutraceutiche, University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Marta Ferraroni
- Dipartimento di Chimica " Ugo Schiff", University of Florence, Via della Lastruccia 3, Sesto Fiorentino, 50019 Florence, Italy
| | - Jacob Combs
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, Florida 32610, United States
| | - Carrie Lomelino
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, Florida 32610, United States
| | - Jacob Andring
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, Florida 32610, United States
| | - Robert Mckenna
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, Florida 32610, United States
| | - Gianluca Bartolucci
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche e Nutraceutiche, University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Marco Pallecchi
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche e Nutraceutiche, University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Laura Lucarini
- NEUROFARBA Department, Section of Pharmacology and Toxicology, University of Florence, Via G. Pieraccini 6, 50139 Florence, Italy
| | - Silvia Sgambellone
- NEUROFARBA Department, Section of Pharmacology and Toxicology, University of Florence, Via G. Pieraccini 6, 50139 Florence, Italy
| | - Emanuela Masini
- NEUROFARBA Department, Section of Pharmacology and Toxicology, University of Florence, Via G. Pieraccini 6, 50139 Florence, Italy
| | - Fabrizio Carta
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche e Nutraceutiche, University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Claudiu T Supuran
- NEUROFARBA Department, Sezione di Scienze Farmaceutiche e Nutraceutiche, University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
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Singh DK, Chauthe SK, Anjanappa P, Kumar S, Arulraj RA, Gajjela R, Mohammed N, Kanthappa VT, Karmakar A, Gupta AK, Bajpai L, Bagadi M, Mathur A. Synthesis and characterization of a series of N,N'-substituted urea derivatives by using electrospray ionization tandem mass spectrometry: Differentiation of positional isomers. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2021; 35:e9161. [PMID: 34240514 DOI: 10.1002/rcm.9161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 06/30/2021] [Accepted: 07/06/2021] [Indexed: 06/13/2023]
Abstract
RATIONALE Characterization of N,N'-substituted ureas was found to be challenging by nuclear magnetic resonance (NMR) spectroscopy, particularly N-di- and tri-alkylated ureas because of the absence of adjacent protons. In the present study, electrospray ionization tandem mass spectrometry has been used to differentiate positional isomeric pairs and to characterize a series of N,N'-substituted ureas, as these compounds have significant importance for drug discovery. Additionally, urea is an essential functionality in several bioactive compounds as well as a variety of clinically approved therapies. METHODS High-resolution electrospray ionization tandem mass spectrometry (ESI-HR-MS/MS) has been used to characterize a series of N,N'-substituted urea derivatives and differentiate two pairs of positional isomers. The data was acquired by Xcaliber application in positive ionization mode. RESULTS ESI-HR-MS/MS spectra of [M + H]+ ions of the positional isomeric urea derivatives 8a and 8b show distinct fragmentation patterns. For example, the MS/MS spectrum of the [M + H]+ ion of isomer 8a displays the abundant fragment ion at m/z 285.1595, which was totally absent in isomer 8b. This would be plausibly formed by the cleavage of the C-N bond of the urea group with the elimination of the isocyanate moiety. In contrast, the MS/MS spectrum of the [M + H]+ ion of isomer 8b shows an intense ion at m/z 311.1389 which is completely absent in isomer 8a which would be formed by the cleavage of the C-N bond attached to the ring nitrogen. Similarly, another pair of positional isomers, 8c and 8d, have been clearly distinguished by their fragmentation behaviour. In addition, a series of N,N'-substituted urea derivatives were studied to investigate the impact of different substitution on the fragmentation behaviour. CONCLUSIONS The present study demonstrates that ESI-HR-MS/MS can be used to differentiate pairs of N,N'-substituted urea positional isomers and characterize a series of derivatives. It was observed that a characteristic fragment ion was formed by the C-N bond cleavage with the elimination of an isocyanate moiety. The proposed mechanism of fragmentation was supported by the change in the fragmentation pathway upon alkylation of the NH. In order to generalize this fragmentation pattern, a series of N-alkylated ureas was synthesized and studied by MS/MS.
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Affiliation(s)
- Dilip Kumar Singh
- Discovery Analytical Sciences, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Siddheshwar Kisan Chauthe
- Discovery Analytical Sciences, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Prakash Anjanappa
- Department of Discovery Synthesis, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Sumit Kumar
- Discovery Analytical Sciences, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Ruba A Arulraj
- Discovery Analytical Sciences, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Raju Gajjela
- Discovery Analytical Sciences, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Noor Mohammed
- Department of Discovery Synthesis, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Venkatesh T Kanthappa
- Discovery Analytical Sciences, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Ananta Karmakar
- Department of Discovery Synthesis, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Arun Kumar Gupta
- Department of Discovery Synthesis, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Lakshmikant Bajpai
- Department of Analytical Research & Development, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Muralidhararao Bagadi
- Discovery Analytical Sciences, Biocon Bristol Myers Squibb Research & Development Center (BBRC), Bangalore, India
| | - Arvind Mathur
- Small Molecule Drug Discovery, Bristol Myers Squibb Research and Development, Princeton, New Jersey, USA
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Abstract
The urea functionality is inherent to numerous bioactive compounds, including a variety of clinically approved therapies. Urea containing compounds are increasingly used in medicinal chemistry and drug design in order to establish key drug-target interactions and fine-tune crucial drug-like properties. In this perspective, we highlight physicochemical and conformational properties of urea derivatives. We provide outlines of traditional reagents and chemical procedures for the preparation of ureas. Also, we discuss newly developed methodologies mainly aimed at overcoming safety issues associated with traditional synthesis. Finally, we provide a broad overview of urea-based medicinally relevant compounds, ranging from approved drugs to recent medicinal chemistry developments.
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Affiliation(s)
- Arun K Ghosh
- Department of Chemistry and Department of Medicinal Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Margherita Brindisi
- Department of Chemistry and Department of Medicinal Chemistry, Purdue University, West Lafayette, Indiana 47907, United States.,Department of Excellence of Pharmacy, University of Naples Federico II, 80131 Naples, Italy
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