1
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Zhou YX, Liu FQ, Wang GQ, Yang D, Han P, Jing LH. Photoredox-catalyzed C(sp 2)-H trifluoromethylation of 3-methylene-isoindolin-1-ones under metal-free conditions. Org Biomol Chem 2024; 22:6928-6932. [PMID: 39119751 DOI: 10.1039/d4ob01046a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
A facile synthetic method for direct C(sp2)-H bond trifluoromethylation of 3-methylene-isoindolin-1-ones under visible-light-induced metal-free conditions is presented. This protocol features mild reaction conditions, broad substrate scope and excellent functional group tolerance, resulting in a range of structurally diverse trifluoromethylated products in good to excellent yields.
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Affiliation(s)
- Yuan-Xia Zhou
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Feng-Qian Liu
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Guo-Qin Wang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Dan Yang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Pan Han
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Lin-Hai Jing
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
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2
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Cayrou C, Walrant A, Ravault D, Guitot K, Noinville S, Sagan S, Brigaud T, Gonzalez S, Ongeri S, Chaume G. Incorporation of CF 3-pseudoprolines into polyproline type II foldamers confers promising biophysical features. Chem Commun (Camb) 2024; 60:8609-8612. [PMID: 39046095 DOI: 10.1039/d4cc02895c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
The development and the use of fluorinated polyproline-type II (PPII) foldamers are still underexplored. Herein, trifluoromethyl pseudoprolines have been incorporated into polyproline backbones without affecting their PPII helicity. The ability of the trifluoromethyl groups to increase hydrophobicity and to act as 19F NMR probes is demonstrated. Moreover, the enzymatic stability and the non-cytotoxicity of these fluorinated foldamers make them valuable templates for use in medicinal chemistry.
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Affiliation(s)
- Chloé Cayrou
- CY Cergy Paris Université, CNRS, BioCIS UMR 8076, 95000 Cergy Pontoise, France.
- Université Paris-Saclay, CNRS, BioCIS UMR 8076, 91400 Orsay, France
| | - Astrid Walrant
- Laboratoire des Biomolécules, Sorbonne Université, École Normale Supérieure, PSL University, CNRS, LBM, 75005 Paris, France
| | - Delphine Ravault
- Laboratoire des Biomolécules, Sorbonne Université, École Normale Supérieure, PSL University, CNRS, LBM, 75005 Paris, France
| | - Karine Guitot
- CY Cergy Paris Université, CNRS, BioCIS UMR 8076, 95000 Cergy Pontoise, France.
- Université Paris-Saclay, CNRS, BioCIS UMR 8076, 91400 Orsay, France
| | - Sylvie Noinville
- Laboratoire des Biomolécules, Sorbonne Université, École Normale Supérieure, PSL University, CNRS, LBM, 75005 Paris, France
| | - Sandrine Sagan
- Laboratoire des Biomolécules, Sorbonne Université, École Normale Supérieure, PSL University, CNRS, LBM, 75005 Paris, France
| | - Thierry Brigaud
- CY Cergy Paris Université, CNRS, BioCIS UMR 8076, 95000 Cergy Pontoise, France.
- Université Paris-Saclay, CNRS, BioCIS UMR 8076, 91400 Orsay, France
| | - Simon Gonzalez
- CY Cergy Paris Université, CNRS, BioCIS UMR 8076, 95000 Cergy Pontoise, France.
- Université Paris-Saclay, CNRS, BioCIS UMR 8076, 91400 Orsay, France
| | - Sandrine Ongeri
- Université Paris-Saclay, CNRS, BioCIS UMR 8076, 91400 Orsay, France
| | - Grégory Chaume
- CY Cergy Paris Université, CNRS, BioCIS UMR 8076, 95000 Cergy Pontoise, France.
- Université Paris-Saclay, CNRS, BioCIS UMR 8076, 91400 Orsay, France
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3
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Chiari C, Batista PR, Viesser RV, Schenberg LA, Ducati LC, Linclau B, Tormena CF. Molecular dynamics and NMR reveal the coexistence of H-bond-assisted and through-space JFH coupling in fluorinated amino alcohols. Org Biomol Chem 2024; 22:2580-2595. [PMID: 38441115 DOI: 10.1039/d4ob00049h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
The JFH coupling constants in fluorinated amino alcohols were investigated through experimental and theoretical approaches. The experimental JFH couplings were only reproduced theoretically when explicit solvation through molecular dynamics (MD) simulations was conducted in DMSO as the solvent. The combination of MD conformation sampling and DFT NMR spin-spin coupling calculations for these compounds reveals the simultaneous presence of through-space (TS) and hydrogen bond (H-bond) assisted JFH coupling between fluorine and hydrogen of the NH group. Furthermore, MD simulations indicate that the hydrogen in the amino group participates in both an intermolecular bifurcated H-bond with DMSO and in transmitting the observed JFH coupling. The contribution of TS to the JFH coupling is due to the spatial proximity of the fluorine and the NH group, aided by a combination of the non-bonding transmission pathway and the hydrogen bonding pathway. The experimental JFH coupling observed for the molecules studied should be represented as 4TS/1hJFH coupling.
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Affiliation(s)
- Cassia Chiari
- Institute of Chemistry, University of Campinas - UNICAMP, P. O. Box 6154, 13083-970, Campinas, São Paulo, Brazil.
| | - Patrick R Batista
- Institute of Chemistry, University of Campinas - UNICAMP, P. O. Box 6154, 13083-970, Campinas, São Paulo, Brazil.
| | - Renan V Viesser
- Department of Chemistry, University of Houston, Houston, TX 77024, USA
| | - Leonardo A Schenberg
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, 05508-000, São Paulo, SP, Brazil
| | - Lucas C Ducati
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, 05508-000, São Paulo, SP, Brazil
| | - Bruno Linclau
- Department of Organic and Macromolecular Chemistry, Ghent University, Ghent 9000, Belgium
| | - Cláudio F Tormena
- Institute of Chemistry, University of Campinas - UNICAMP, P. O. Box 6154, 13083-970, Campinas, São Paulo, Brazil.
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4
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Henary E, Casa S, Dost TL, Sloop JC, Henary M. The Role of Small Molecules Containing Fluorine Atoms in Medicine and Imaging Applications. Pharmaceuticals (Basel) 2024; 17:281. [PMID: 38543068 PMCID: PMC10975950 DOI: 10.3390/ph17030281] [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: 10/03/2023] [Revised: 02/12/2024] [Accepted: 02/17/2024] [Indexed: 04/01/2024] Open
Abstract
The fluorine atom possesses many intrinsic properties that can be beneficial when incorporated into small molecules. These properties include the atom's size, electronegativity, and ability to block metabolic oxidation sites. Substituents that feature fluorine and fluorine-containing groups are currently prevalent in drugs that lower cholesterol, relieve asthma, and treat anxiety disorders, as well as improve the chemical properties of various medications and imaging agents. The dye scaffolds (fluorescein/rhodamine, coumarin, BODIPY, carbocyanine, and squaraine dyes) reported will address the incorporation of the fluorine atom in the scaffold and the contribution it provides to its application as an imaging agent. It is also important to recognize radiolabeled fluorine atoms used for PET imaging in the early detection of diseases. This review will discuss the many benefits of incorporating fluorine atoms into small molecules and give examples of fluorinated molecules used in the pharmaceutical industry and imaging techniques.
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Affiliation(s)
- Emily Henary
- School of Science and Technology, Georgia Gwinnett College, 1000 University Center Lane, Lawrenceville, GA 30043, USA; (E.H.); (J.C.S.)
| | - Stefanie Casa
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA; (S.C.); (T.L.D.)
| | - Tyler L. Dost
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA; (S.C.); (T.L.D.)
| | - Joseph C. Sloop
- School of Science and Technology, Georgia Gwinnett College, 1000 University Center Lane, Lawrenceville, GA 30043, USA; (E.H.); (J.C.S.)
| | - Maged Henary
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA; (S.C.); (T.L.D.)
- Center for Diagnostics and Therapeutics, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA
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5
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Du Y, Mei H, Makarem A, Javahershenas R, Soloshonok VA, Han J. Copper-catalyzed multicomponent reaction of β-trifluoromethyl β-diazo esters enabling the synthesis of β-trifluoromethyl N, N-diacyl-β-amino esters. Beilstein J Org Chem 2024; 20:212-219. [PMID: 38318462 PMCID: PMC10840549 DOI: 10.3762/bjoc.20.21] [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: 10/12/2023] [Accepted: 01/23/2024] [Indexed: 02/07/2024] Open
Abstract
An efficient multicomponent reaction of newly designed β-trifluoromethyl β-diazo esters, acetonitrile, and carboxylic acids via an interrupted esterification process under copper-catalyzed conditions has been developed, which affords various unsymmetrical β-trifluoromethyl N,N-diacyl-β-amino esters in good to excellent yields. The reaction features mild conditions, a wide scope of β-amino esters and carboxylic acids, and also applicability to large-scale synthesis, thus providing an efficient way for the synthesis of β-trifluoromethyl β-diacylamino esters. Furthermore, this reaction represents the first example of a Mumm rearrangement of β-trifluoromethyl β-diazo esters.
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Affiliation(s)
- Youlong Du
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Haibo Mei
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Ata Makarem
- Department of Chemistry, University of Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany
| | - Ramin Javahershenas
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University, Urmia, Iran
| | - Vadim A Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country (UPV/EHU), Paseo Manuel Lardizábal 3, San Sebastián, 20018, Spain
- IKERBASQUE, Basque Foundation for Science, Alameda Urquijo 36-5, Plaza Bizkaia, 48011 Bilbao, Spain
| | - Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
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6
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Juszczak K, Szczepankiewicz W, Walczak K. Synthesis and Primary Activity Assay of Novel Benitrobenrazide and Benserazide Derivatives. Molecules 2024; 29:629. [PMID: 38338374 PMCID: PMC10856005 DOI: 10.3390/molecules29030629] [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: 01/02/2024] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024] Open
Abstract
Schiff bases attract research interest due to their applications in chemical synthesis and medicinal chemistry. In recent years, benitrobenrazide and benserazide containing imine moiety have been synthesized and characterized as promising inhibitors of hexokinase 2 (HK2), an enzyme overexpressed in most cancer cells. Benserazide and benitrobenrazide possess a common structural fragment, a 2,3,4-trihydroxybenzaldehyde moiety connected through a hydrazone or hydrazine linker acylated on an N' nitrogen atom by serine or a 4-nitrobenzoic acid fragment. To avoid the presence of a toxicophoric nitro group in the benitrobenrazide molecule, we introduced common pharmacophores such as 4-fluorophenyl or 4-aminophenyl substituents. Modification of benserazide requires the introduction of other endogenous amino acids instead of serine. Herein, we report the synthesis of benitrobenrazide and benserazide analogues and preliminary results of inhibitory activity against HK2 evoked by these structural changes. The derivatives contain a fluorine atom or amino group instead of a nitro group in BNB and exhibit the most potent inhibitory effects against HK2 at a concentration of 1 µM, with HK2 inhibition rates of 60% and 54%, respectively.
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Affiliation(s)
| | | | - Krzysztof Walczak
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Faculty of Chemistry, Silesian University of Technology, 44-100 Gliwice, Poland; (K.J.); (W.S.)
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7
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Koley M, Han J, Soloshonok VA, Mojumder S, Javahershenas R, Makarem A. Latest developments in coumarin-based anticancer agents: mechanism of action and structure-activity relationship studies. RSC Med Chem 2024; 15:10-54. [PMID: 38283214 PMCID: PMC10809357 DOI: 10.1039/d3md00511a] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 10/20/2023] [Indexed: 01/30/2024] Open
Abstract
Many researchers around the world are working on the development of novel anticancer drugs with different mechanisms of action. In this case, coumarin is a highly promising pharmacophore for the development of novel anticancer drugs. Besides, the hybridization of this moiety with other anticancer pharmacophores has emerged as a potent breakthrough in the treatment of cancer to decrease its side effects and increase its efficiency. This review aims to provide a comprehensive overview of the recent development of coumarin derivatives and their application as novel anticancer drugs. Herein, we highlight and describe the largest number of research works reported in this field from 2015 to August 2023, along with their mechanisms of action and structure-activity relationship studies, making this review different from the other review articles published on this topic to date.
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Affiliation(s)
- Manankar Koley
- CSIR-Central Glass & Ceramic Research Institute Kolkata India
| | - Jianlin Han
- College of Chemical Engineering, Nanjing Forestry University Nanjing China
| | - Vadim A Soloshonok
- Department of Organic Chemistry I, University of the Basque Country San Sebastián Spain
- IKERBASQUE, Basque Foundation for Science Bilbao Spain
| | | | - Ramin Javahershenas
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University Urmia Iran
| | - Ata Makarem
- Institute of Pharmacy, University of Hamburg Hamburg Germany
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8
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Arsenov MA, Stoletova NV, Smol'yakov AF, Savel'yeva TF, Maleev VI, Loginov DA, Larionov VA. A synthetic route to artificial chiral α-amino acids featuring a 3,4-dihydroisoquinolone core through a Rh(III)-catalyzed functionalization of allyl groups in chiral Ni(II) complexes. Org Biomol Chem 2023; 21:9143-9149. [PMID: 37982196 DOI: 10.1039/d3ob01513k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
Currently, non-proteinogenic α-amino acids (α-AAs) have attracted increasing interest in bio- and medicinal chemistry. In this context, the first protocol for the asymmetric synthesis of artificial α-AAs featuring a 3,4-dihydroisoquinolone core with two stereogenic centers was successfully elaborated. A straightforward Rh(III)-catalysed C-H activation/annulation reaction of various aryl hydroxamates with a set of robust and readily available chiral Ni(II) complexes, which have allylic appendages derived from glycine (Gly), alanine (Ala) and phenylalanine (Phe), allowed incorporation of a 3,4-dihydroisoquinolone scaffold into the chiral amino acid residue. The reaction was performed in methanol and under mild conditions (at room temperature under air atmosphere), providing separable diastereomeric complexes with up to 94% total yield. The target α-AA with a 3,4-dihydroisoquinolone core in an enantiopure form was subsequently released from the obtained chiral Ni(II) complexes via an acidic decomposition in aqueous HCl, along with the recovery of the chiral auxiliary ligand.
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Affiliation(s)
- Mikhail A Arsenov
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, bld. 1, 119334 Moscow, Russian Federation.
| | - Nadezhda V Stoletova
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, bld. 1, 119334 Moscow, Russian Federation.
| | - Alexander F Smol'yakov
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, bld. 1, 119334 Moscow, Russian Federation.
- Plekhanov Russian University of Economics, Stremyanny Per. 36, 117997 Moscow, Russian Federation
| | - Tat'yana F Savel'yeva
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, bld. 1, 119334 Moscow, Russian Federation.
| | - Victor I Maleev
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, bld. 1, 119334 Moscow, Russian Federation.
| | - Dmitry A Loginov
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, bld. 1, 119334 Moscow, Russian Federation.
- Plekhanov Russian University of Economics, Stremyanny Per. 36, 117997 Moscow, Russian Federation
| | - Vladimir A Larionov
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, bld. 1, 119334 Moscow, Russian Federation.
- Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya Str. 6, 117198 Moscow, Russian Federation
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9
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Gul Z, Henary M. Pafolacianine, the magic wand of intraoperative imaging of folate-receptor positive ovarian cancer. ANNALS OF TRANSLATIONAL MEDICINE 2023; 11:394. [PMID: 37970599 PMCID: PMC10632580 DOI: 10.21037/atm-23-467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 02/17/2023] [Indexed: 11/17/2023]
Affiliation(s)
- Zaryab Gul
- Department of Chemistry, Georgia State University, Atlanta, GA, USA
| | - Maged Henary
- Department of Chemistry, Georgia State University, Atlanta, GA, USA
- Center For Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
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10
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Gregorc J, Lensen N, Chaume G, Iskra J, Brigaud T. Trifluoromethylthiolation of Tryptophan and Tyrosine Derivatives: A Tool for Enhancing the Local Hydrophobicity of Peptides. J Org Chem 2023; 88:13169-13177. [PMID: 37672679 PMCID: PMC10507666 DOI: 10.1021/acs.joc.3c01373] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Indexed: 09/08/2023]
Abstract
The incorporation of fluorinated groups into peptides significantly affects their biophysical properties. We report herein the synthesis of Fmoc-protected trifluoromethylthiolated tyrosine (CF3S-Tyr) and tryptophan (CF3S-Trp) analogues on a gram scale (77-93% yield) and demonstrate their use as highly hydrophobic fluorinated building blocks for peptide chemistry. The developed methodology was successfully applied to the late-stage regioselective trifluoromethylthiolation of Trp residues in short peptides (66-80% yield) and the synthesis of various CF3S-analogues of biologically active monoamines. To prove the concept, Fmoc-(CF3S)Tyr and -Trp were incorporated into the endomorphin-1 chain (EM-1) and into model tripeptides by solid-phase peptide synthesis. A remarkable enhancement of the local hydrophobicity of the trifluoromethylthiolated peptides was quantified by the chromatographic hydrophobicity index determination method, demonstrating the high potential of CF3S-containing amino acids for the rational design of bioactive peptides.
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Affiliation(s)
- Jure Gregorc
- Chair
of Organic Chemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, Ljubljana 1000, Slovenia
- CY
Cergy Paris Université, CNRS, BioCIS, Cergy Pontoise 95000, France
- Université
Paris-Saclay, CNRS, BioCIS, Orsay 91400, France
| | - Nathalie Lensen
- CY
Cergy Paris Université, CNRS, BioCIS, Cergy Pontoise 95000, France
- Université
Paris-Saclay, CNRS, BioCIS, Orsay 91400, France
| | - Grégory Chaume
- CY
Cergy Paris Université, CNRS, BioCIS, Cergy Pontoise 95000, France
- Université
Paris-Saclay, CNRS, BioCIS, Orsay 91400, France
| | - Jernej Iskra
- Chair
of Organic Chemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, Ljubljana 1000, Slovenia
| | - Thierry Brigaud
- CY
Cergy Paris Université, CNRS, BioCIS, Cergy Pontoise 95000, France
- Université
Paris-Saclay, CNRS, BioCIS, Orsay 91400, France
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11
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Nitulescu GM, Stancov G, Seremet OC, Nitulescu G, Mihai DP, Duta-Bratu CG, Barbuceanu SF, Olaru OT. The Importance of the Pyrazole Scaffold in the Design of Protein Kinases Inhibitors as Targeted Anticancer Therapies. Molecules 2023; 28:5359. [PMID: 37513232 PMCID: PMC10385367 DOI: 10.3390/molecules28145359] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/08/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
The altered activation or overexpression of protein kinases (PKs) is a major subject of research in oncology and their inhibition using small molecules, protein kinases inhibitors (PKI) is the best available option for the cure of cancer. The pyrazole ring is extensively employed in the field of medicinal chemistry and drug development strategies, playing a vital role as a fundamental framework in the structure of various PKIs. This scaffold holds major importance and is considered a privileged structure based on its synthetic accessibility, drug-like properties, and its versatile bioisosteric replacement function. It has proven to play a key role in many PKI, such as the inhibitors of Akt, Aurora kinases, MAPK, B-raf, JAK, Bcr-Abl, c-Met, PDGFR, FGFRT, and RET. Of the 74 small molecule PKI approved by the US FDA, 8 contain a pyrazole ring: Avapritinib, Asciminib, Crizotinib, Encorafenib, Erdafitinib, Pralsetinib, Pirtobrutinib, and Ruxolitinib. The focus of this review is on the importance of the unfused pyrazole ring within the clinically tested PKI and on the additional required elements of their chemical structures. Related important pyrazole fused scaffolds like indazole, pyrrolo[1,2-b]pyrazole, pyrazolo[4,3-b]pyridine, pyrazolo[1,5-a]pyrimidine, or pyrazolo[3,4-d]pyrimidine are beyond the subject of this work.
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Affiliation(s)
| | | | | | - Georgiana Nitulescu
- Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, Traian Vuia 6, 020956 Bucharest, Romania; (G.M.N.)
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12
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Wei J, Ning LW, Li Y. Diastereoselective addition of 2-alkoxy-2-fluoroacetate to N-(tert‑butylsulfinyl)imines: Synthesis of α-alkoxy-α-fluoro-β-amino acids. J Fluor Chem 2023. [DOI: 10.1016/j.jfluchem.2023.110118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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13
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Wang N, Mei H, Dhawan G, Zhang W, Han J, Soloshonok VA. New Approved Drugs Appearing in the Pharmaceutical Market in 2022 Featuring Fragments of Tailor-Made Amino Acids and Fluorine. Molecules 2023; 28:molecules28093651. [PMID: 37175060 PMCID: PMC10180415 DOI: 10.3390/molecules28093651] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/11/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
The strategic fluorination of oxidatively vulnerable sites in bioactive compounds is a relatively recent, widely used approach allowing us to modulate the stability, bio-absorption, and overall efficiency of pharmaceutical drugs. On the other hand, natural and tailor-made amino acids are traditionally used as basic scaffolds for the development of bioactive molecules. The main goal of this review article is to emphasize these general trends featured in recently approved pharmaceutical drugs.
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Affiliation(s)
- Nana Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Haibo Mei
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Gagan Dhawan
- School of Allied Medical Sciences, Delhi Skill and Entrepreneurship University, Dwarka, New Delhi 110075, India
- Department of Biomedical Science, Acharya Narendra Dev College, University of Delhi, Kalkaji, New Delhi 110019, India
- Delhi School of Skill Enhancement and Entrepreneurship Development, Institution of Eminence, University of Delhi, Delhi 110007, India
| | - Wei Zhang
- Department of Chemistry, University of Massachusetts Boston, 100 Morrissey Boulevard, Boston, MA 02125, USA
| | - Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Vadim A Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain
- IKERBASQUE, Basque Foundation for Science, Alameda Urquijo 36-5, 48011 Bilbao, Spain
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Han P, Wang F, Bao S, Yao G, Wan X, Liu J, Jiang H. Design and synthesis of a clickable, photoreactive amino acid p-(4-(but-3-yn-1-yl)benzoyl)-l-phenylalanine for peptide photoaffinity labeling. RSC Adv 2023; 13:866-872. [PMID: 36686919 PMCID: PMC9811243 DOI: 10.1039/d2ra07248c] [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: 11/15/2022] [Accepted: 12/17/2022] [Indexed: 01/06/2023] Open
Abstract
Photoaffinity labeling is a powerful technique to investigate the interactions between bioactive peptides and their targets. To construct a peptide-derived photoaffinity probe, at least two amino acids need to be modified or replaced, increasing experimental difficulties and negatively affecting activity. Herein, we report the synthesis of a clickable, photoreactive amino acid p-(4-(but-3-yn-1-yl)benzoyl)-l-phenylalanine (Abpa) and its Fmoc-protected version from 3-(4-bromophenyl)-1-propanol in 11 steps with an overall 12.5% yield. The amino acid contains both a photoreactive benzophenone and a clickable terminal alkyne which acts like a reporter tag by fast attachment to other functional groups via 'click' reaction, and a photoaffinity probe could be created by one single amino acid substitution during peptide synthesis. And its small size helps to retain bioactivity. The efficiency of Abpa was demonstrated by photoaffinity labeling experiments using photoactivatable probes of α-conotoxin MI.
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Affiliation(s)
- Penggang Han
- State Key Laboratory of NBC Protection for CivilianBeijing 102205China
| | - Fuli Wang
- State Key Laboratory of NBC Protection for CivilianBeijing 102205China
| | - Shaoheng Bao
- State Key Laboratory of NBC Protection for CivilianBeijing 102205China
| | - Ge Yao
- State Key Laboratory of NBC Protection for CivilianBeijing 102205China
| | - Xiukun Wan
- State Key Laboratory of NBC Protection for CivilianBeijing 102205China
| | - JiaJia Liu
- State Key Laboratory of NBC Protection for CivilianBeijing 102205China
| | - Hui Jiang
- State Key Laboratory of NBC Protection for CivilianBeijing 102205China
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Escorihuela J. A Density Functional Theory Study on the Cobalt-Mediated Intramolecular Pauson–Khand Reaction of Enynes Containing a Vinyl Fluoride Moiety. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/s-0042-1751392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
AbstractThe Co2(CO)8-mediated intramolecular Pauson–Khand reaction (PKR) is an effective method for constructing polycyclic structures. Recently, our group reported a series of this type of reaction involving fluorinated enynes that proceed with reasonable reaction rates and yields. However, mechanistic studies involving these fluorinated derivatives in intramolecular PKR are scarce. In this study, density functional theory calculations are used to clarify the mechanism and reactivity of enynes containing a vinyl fluoride moiety for this reaction. In agreement with previous studies, alkene insertion is considered to be the rate-determining step for the overall Pauson–Khand reaction of enynes containing a vinyl fluoride moiety. The effect of the substituent on the Co2(CO)8-mediated intramolecular Pauson–Khand reaction has also been investigated. When introducing heteroatoms as tethering units, the fluorinated enynes exhibited lower reactivity than the malonate homologues, whereas the use of a sulfur-based tether was unsuccessful. This computational study provides detailed information about the PKR mechanism and transition-state structures, and the results are validated with previous experimental results.
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Wang X, Zhou W, Xie W, Chen Q, Wu J. Generation of (E)-β-trifluoromethyl vinylsulfonohydrazides under photocatalysis and their anti-bacteria activity. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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