1
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Wu X, Li S, Chen L, Ma S, Ma B, Song L, Qian D. Stereoselective Construction of Multifunctional C-Glycosides Enabled by Nickel-Catalyzed Tandem Borylation/Glycosylation. J Am Chem Soc 2024. [PMID: 39096292 DOI: 10.1021/jacs.4c05485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/05/2024]
Abstract
Stereochemically pure saccharides have indispensable roles in fields ranging from medicinal chemistry to materials science and organic synthesis. However, the development of a simple, stereoselective, and efficient glycosylation protocol to access α- and β-C-glycosides (particularly 2-deoxy entities) remains a persistent challenge. Existing studies have primarily focused on C1 modification of carbohydrates and transformation of glycosyl radical precursors. Here, we innovate by harnessing the in situ generated glycosyl-Ni species to achieve one-pot borylation and glycosylation in a cascade manner, which is enabled by an earth-abundant nickel-catalyzed carboboration of readily accessible glycals without any ligand. This work reveals the potential for the development of a modular and multifunctional glycosylation platform to facilitate the simultaneous introduction of C-C and C-B bonds at the stereogenic center of saccharides, a largely unexploited research area. Preliminary experimental and computational studies indicate that the endocyclic O and the C3 group play important roles in stereoseclectively forging glycosidic bonds. As a result, a diverse range of C-R (R = alkyl, aryl, and alkenyl) and 2-deoxygenated glycosides bearing modifiable boron groups could be rapidly made with excellent stereocontrol and exhibit remarkable functional group tolerance. The synthetic potential is underscored in the late-stage glycosylation of natural products and commercial drugs as well as the facile preparation of various rare sugars, bioactive conjugates, and key intermediates to prorocentin, phomonol, and aspergillide A.
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Affiliation(s)
- Xiaomei Wu
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education; Yunnan Key Laboratory of Research and Development for Natural Products; School of Pharmacy, Yunnan University, Kunming 650500, P. R. China
- School of Chemical Science and Technology, Yunnan University, Kunming 650500, China
| | - Shijia Li
- Department of Chemistry and the Hong Kong Branch of Chinese National Engineering Research Centre for Tissue Restoration & Reconstruction, The Hong Kong University of Science and Technology (HKUST), Kowloon, 999077 Hong Kong SAR, China
- Shenzhen Bay Laboratory, Shenzhen 518132, China
| | - Liqin Chen
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education; Yunnan Key Laboratory of Research and Development for Natural Products; School of Pharmacy, Yunnan University, Kunming 650500, P. R. China
- School of Chemical Science and Technology, Yunnan University, Kunming 650500, China
| | - Siwei Ma
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education; Yunnan Key Laboratory of Research and Development for Natural Products; School of Pharmacy, Yunnan University, Kunming 650500, P. R. China
- School of Chemical Science and Technology, Yunnan University, Kunming 650500, China
| | - Bin Ma
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education; Yunnan Key Laboratory of Research and Development for Natural Products; School of Pharmacy, Yunnan University, Kunming 650500, P. R. China
- School of Chemical Science and Technology, Yunnan University, Kunming 650500, China
| | - Lijuan Song
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Deyun Qian
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education; Yunnan Key Laboratory of Research and Development for Natural Products; School of Pharmacy, Yunnan University, Kunming 650500, P. R. China
- School of Chemical Science and Technology, Yunnan University, Kunming 650500, China
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2
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Yang CF, Udumulla T, Sha R, Canary JW. Control of Solid-Supported Intra- vs Interstrand Stille Coupling Reactions for Synthesis of DNA-Oligophenylene Conjugates. Bioconjug Chem 2024. [PMID: 39046902 DOI: 10.1021/acs.bioconjchem.4c00310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
Programmed DNA structures and assemblies are readily accessible, but site-specific functionalization is critical to realize applications in various fields such as nanoelectronics, nanomaterials and biomedicine. Besides pre- and post-DNA synthesis conjugation strategies, on-solid support reactions offer advantages in certain circumstances. We describe on-solid support internucleotide coupling reactions, often considered undesirable, and a workaround strategy to overcome them. Palladium coupling reactions enabled on-solid support intra- and interstrand coupling between single-stranded DNAs (ss-DNAs). Dilution with a capping agent suppressed interstrand coupling, maximizing intrastrand coupling. Alternatively, interstrand coupling actually proved advantageous to provide dimeric organic/DNA conjugates that could be conveniently separated from higher oligomers, and was more favorable with longer terphenyl coupling partners.
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Affiliation(s)
- Chu-Fan Yang
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Thanuka Udumulla
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Ruojie Sha
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - James W Canary
- Department of Chemistry, New York University, New York, New York 10003, United States
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3
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Glänzer D, Pfeiffer M, Ribar A, Zeindl R, Tollinger M, Nidetzky B, Kreutz C. Efficient Synthetic Access to Stable Isotope Labelled Pseudouridine Phosphoramidites for RNA NMR Spectroscopy. Chemistry 2024; 30:e202401193. [PMID: 38652483 DOI: 10.1002/chem.202401193] [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: 03/25/2024] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 04/25/2024]
Abstract
Here we report the efficient synthetic access to 13C/15N-labelled pseudouridine phosphoramidites, which were incorporated into a binary H/ACA box guide RNA/product complex comprising 77 nucleotides (nts) in total and into a 75 nt E. coli tRNAGly. The stable isotope (SI) labelled pseudouridines were produced via a highly efficient chemo-enzymatic synthesis. 13C/15N labelled uracils were produced via chemical synthesis and enzymatically converted to pseudouridine 5'-monophosphate (ΨMP) by using YeiN, a Ψ-5'-monophosphate C-glycosidase. Removal of the 5'-phosphate group yielded the desired pseudouridine nucleoside (Ψ), which was transformed into a phosphoramidite building suitable for RNA solid phase synthesis. A Ψ -building block carrying both a 13C and a 15N label was incorporated into a product RNA and the complex formation with a 63 nt H/ACA box RNA could be observed via NMR. Furthermore, the SI labelled pseudouridine building block was used to determine imino proton bulk water exchange rates of a 75 nt E. coli tRNAGly CCmnm5U, identifying the TΨC-loop 5-methyluridine as a modifier of the exchange rates. The efficient synthetic access to SI-labelled Ψ building blocks will allow the solution and solid-state NMR spectroscopic studies of Ψ containing RNAs and will facilitate the mass spectrometric analysis of Ψ-modified nucleic acids.
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Affiliation(s)
- David Glänzer
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Martin Pfeiffer
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010, Graz, Austria
- and Austrian Centre of Industrial Biotechnology (acib), Krenngasse 37, A-8010, Graz, Austria
| | - Andrej Ribar
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010, Graz, Austria
- and Austrian Centre of Industrial Biotechnology (acib), Krenngasse 37, A-8010, Graz, Austria
| | - Ricarda Zeindl
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Martin Tollinger
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Bernd Nidetzky
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010, Graz, Austria
- and Austrian Centre of Industrial Biotechnology (acib), Krenngasse 37, A-8010, Graz, Austria
| | - Christoph Kreutz
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
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4
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Xie R, Xu J, Shi H, Xiao C, Wang N, Huang N, Yao H. Stereocontrolled Synthesis of Aryl C-Nucleosides under Ambient Conditions. Org Lett 2024; 26:5162-5166. [PMID: 38832704 DOI: 10.1021/acs.orglett.4c01664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
A stereocontrolled synthesis of an aryl C-nucleoside has been developed using D-ribals and arylboronic acids catalyzed by palladium without additional ligands in common solvents under an open-air atmosphere at room temperature. This protocol features very mild conditions, simplicity in operation, exclusive β-stereoselectivity, broad substrate scopes, and good compatibility with reactive amino and hydroxyl groups. The functionalization of unsaturated C-nucleosides and the late-stage glycosylation of natural products/drugs demonstrated the high practicality of this strategy.
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Affiliation(s)
- Rui Xie
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, P. R. China
| | - Jing Xu
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, P. R. China
| | - Haolin Shi
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, P. R. China
| | - Chenyu Xiao
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, P. R. China
| | - Nengzhong Wang
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, P. R. China
- Hubei Three Gorges Laboratory, Yichang 443007, P. R. China
| | - Nianyu Huang
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, P. R. China
- Hubei Three Gorges Laboratory, Yichang 443007, P. R. China
| | - Hui Yao
- Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, P. R. China
- Hubei Three Gorges Laboratory, Yichang 443007, P. R. China
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5
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Zhang C, He D, Ma Z, Wang M, Zhu Y, Liu Y, Chen J, Lv G, Wu Y. Visible-light-induced synthesis of heteroaryl C-glycosides via decarboxylative C-H glycosylation. Chem Commun (Camb) 2024; 60:5860-5863. [PMID: 38753015 DOI: 10.1039/d4cc01328j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
A photoredox promoted decarboxylative C-H glycosylation has been developed for the synthesis of heteroaryl C-glycosides. This methodology is characterized by its exceedingly simple reaction system, high diastereoselectivity and good functional group tolerance. Moreover, this innovative approach circumvents the need for high temperatures, transition metals, and photocatalysts, providing an environmentally friendly, straightforward, and efficient protocol.
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Affiliation(s)
- Cuimei Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Dongqin He
- Department of Pediatrics, Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Zhaohui Ma
- Department of Pharmacy, Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China.
| | - Mi Wang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Yafei Zhu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Yan Liu
- Department of Pediatrics, Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China
| | - Jian Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Guanghui Lv
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
- Department of Pharmacy, Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China.
| | - Yong Wu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
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6
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Pradhan P, Moktan S, Biswas A, Das A, Lenka R, Kancharla PK. Triple Role of Proton Sponge (DMAN) in the Palladium-Catalyzed Direct Stereoselective Synthesis of C-Aryl Glycosides from Glycals. Org Lett 2024; 26:3563-3568. [PMID: 38652887 DOI: 10.1021/acs.orglett.4c00997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
The triple role of 1,8-bis(dimethylamino)naphthalene (proton sponge) as a reductant, ligand precursor, and organic base in the palladium-catalyzed Heck-type coupling reaction of glycals with aryl iodides affords the rapid and stereoselective synthesis of 2',3'-unsaturated α-C-aryl glycosides in excellent yields. The role of the proton sponge in reducing palladium(II) to (0) has been studied using cyclic voltammetry, UV-vis, HRMS, and other spectroscopic techniques. This is the first example of a palladium proton sponge complex utilized in coupling reactions. The method is observed to be tolerant of various functional groups, as demonstrated by the huge substrate scope. Moreover, the 2',3'-unsaturated α-C-aryl glycosides were also converted to 3-keto-β-C-glycosides under sterically hindered pyridinium salt catalysis via a ring-opening and -closing mechanism.
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Affiliation(s)
- Priyanka Pradhan
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Sangay Moktan
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Ashish Biswas
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Animesh Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Rajesh Lenka
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Pavan K Kancharla
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
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7
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Jevric M, Klepp J, Puschnig J, Lamb O, Sumby CJ, Greatrex BW. Skeletal rearrangement of 6,8-dioxabicyclo[3.2.1]octan-4-ols promoted by thionyl chloride or Appel conditions. Beilstein J Org Chem 2024; 20:823-829. [PMID: 38655557 PMCID: PMC11035982 DOI: 10.3762/bjoc.20.74] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 03/22/2024] [Indexed: 04/26/2024] Open
Abstract
A skeletal rearrangement of a series of 6,8-dioxabicyclo[3.2.1]octan-4-ols has been developed using SOCl2 in the presence of pyridine. An oxygen migration from C5 to C4 was observed when the C4 alcohols were treated with SOCl2/pyridine, giving a 2-chloro-3,8-dioxabicyclo[3.2.1]octane ring-system via the chlorosulfite intermediate. Analogous allylic alcohols with endocyclic and exocyclic unsaturations underwent chlorination without rearrangement due to formation of allylic cations. The rearrangement was also demonstrated using Appel conditions, which gave similar results via the alkoxytriphenylphosphonium intermediate. Several reactions of the products were investigated to show the utility of the rearrangement.
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Affiliation(s)
- Martyn Jevric
- Faculty of Medicine and Health, University of New England, Armidale, 2351, Australia
| | - Julian Klepp
- Faculty of Medicine and Health, University of New England, Armidale, 2351, Australia
| | - Johannes Puschnig
- Faculty of Medicine and Health, University of New England, Armidale, 2351, Australia
| | - Oscar Lamb
- Faculty of Medicine and Health, University of New England, Armidale, 2351, Australia
| | - Christopher J Sumby
- Department of Chemistry and the Centre for Advanced Nanomaterials, The University of Adelaide, Adelaide, 5005, Australia
| | - Ben W Greatrex
- Faculty of Medicine and Health, University of New England, Armidale, 2351, Australia
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8
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Abd Al Moaty MN, El Kilany Y, Awad LF, Ibrahim NA, Abu-Serie MM, El-Yazbi A, Teleb M. Discovery of novel benzimidazole acyclic C-nucleoside DNA intercalators halting breast cancer growth. Arch Pharm (Weinheim) 2024; 357:e2300454. [PMID: 37867206 DOI: 10.1002/ardp.202300454] [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: 08/22/2023] [Revised: 10/10/2023] [Accepted: 10/11/2023] [Indexed: 10/24/2023]
Abstract
Breast cancer continues to be the most frequent cancer worldwide. In practice, successful clinical outcomes were achieved via targeting DNA. Along with the advances in introducing new DNA-targeting agents, the "sugar approach" design was employed herein to develop new intercalators bearing pharmacophoric motifs tethered to carbohydrate appendages. Accordingly, new benzimidazole acyclic C-nucleosides were rationally designed, synthesized and assayed via MTT (3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide) assay to evaluate their cytotoxicity against MCF-7 and MDA-MB-231 breast cancer cells compared to normal fibroblasts (Wi-38), compared to doxorubicin. (1S,2R,3S,4R)-2-(1,2,3,4,5-Pentahydroxy)pentyl-1H-5,6-dichlorobenzimidazole 7 and (1S,2R,3S,4R)-2-(1,2,3,4,5-pentahydroxy)pentyl-1H-naphthimidazole 13 were the most potent and selective derivatives against MCF-7 (half-maximal inhibitory concentration [IC50 ] = 0.060 and 0.080 µM, selectivity index [SI] = 9.68 and 8.27, respectively) and MDA-MB-231 cells (IC50 = 0.299 and 0.166 µM, SI = 1.94 and 3.98, respectively). Thus, they were identified as the study hits for mechanistic studies. Both derivatives induced DNA damage at 0.24 and 0.29 μM, respectively. The DNA damage kinetics were studied compared to doxorubicin, where they both induced faster damage than doxorubicin. This indicated that 7 and 13 showed a more potent DNA-damaging effect than doxorubicin. Docking simulations within the DNA double strands highlighted the role of both the heterocyclic core and the sugar side chain in exhibiting key H-bond interactions with DNA bases.
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Affiliation(s)
| | - Yeldez El Kilany
- Chemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Laila Fathy Awad
- Chemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Nihal Ahmed Ibrahim
- Chemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Marwa M Abu-Serie
- Medical Biotechnology Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Amira El-Yazbi
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Mohamed Teleb
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
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9
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Choutka J, Parkan K, Pohl R, Kaminský J. On the origin of the electronic and magnetic circular dichroism of naphthyl C-glycosides: Anomeric configuration. Carbohydr Res 2024; 535:109021. [PMID: 38171193 DOI: 10.1016/j.carres.2023.109021] [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: 10/04/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024]
Abstract
Aryl C-glycosides, in which the glycosidic bond is changed to a carbon-carbon bond, are an important family of biologically-active compounds. They often serve as secondary metabolites or exhibit antibiotic and cytostatic activities. Their stability to hydrolysis has made them attractive targets for new drugs. Their conformational behavior often strongly influences the resulting function. Their detailed structural and conformational description is thus highly desirable. This work studies the structure of three different naphthyl C-glycosides using UV-vis absorption as well as electronic and magnetic circular dichroism. It also describes their conformational preferences using a combination of molecular dynamics and DFT calculations. The reliability of these preferences has been verified by simulations of spectral properties and a comparison with their measured spectra. In particular, ECD spectroscopy has been shown to distinguish easily between α- and β-pseudoanomers of aryl C-glycosides. Computer simulations and spectral decomposition have revealed how the resulting ECD patterns of the naphthyl glycosides studied are influenced by different conformer populations. In conclusion, reliable ECD patterns cannot be calculated by separating the naphthyl rotation from other conformational motions. MCD patterns have been similar for all the naphthyl C-glycosides studied. No clear diagnostic features have been found for either the pseudoanomeric configuration or the preferred hydroxymethyl rotamer. Nevertheless, the work has demonstrated the potential of MCD for the study of aryl glycosides interacting with proteins.
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Affiliation(s)
- Jan Choutka
- Institute of Organic Chemistry and Biochemistry AS CR, Flemingovo nám. 2, 160 00, Prague, Czech Republic
| | - Kamil Parkan
- Institute of Organic Chemistry and Biochemistry AS CR, Flemingovo nám. 2, 160 00, Prague, Czech Republic; Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28, Prague, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry AS CR, Flemingovo nám. 2, 160 00, Prague, Czech Republic
| | - Jakub Kaminský
- Institute of Organic Chemistry and Biochemistry AS CR, Flemingovo nám. 2, 160 00, Prague, Czech Republic.
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10
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Rastogi SK, Ciliberto VC, Trevino MZ, Campbell BA, Brittain WJ. Green Approach Toward Triazole Forming Reactions for Developing Anticancer Drugs. Curr Org Synth 2024; 21:380-420. [PMID: 37157212 DOI: 10.2174/1570179420666230508125144] [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: 08/04/2022] [Revised: 03/01/2023] [Accepted: 03/15/2023] [Indexed: 05/10/2023]
Abstract
Compounds containing triazole have many significant applications in the dye and ink industry, corrosion inhibitors, polymers, and pharmaceutical industries. These compounds possess many antimicrobial, antioxidant, anticancer, antiviral, anti-HIV, antitubercular, and anticancer activities. Several synthetic methods have been reported for reducing time, minimizing synthetic steps, and utilizing less hazardous and toxic solvents and reagents to improve the yield of triazoles and their analogues synthesis. Among the improvement in methods, green approaches towards triazole forming biologically active compounds, especially anticancer compounds, would be very important for pharmaceutical industries as well as global research community. In this article, we have reviewed the last five years of green chemistry approaches on click reaction between alkyl azide and alkynes to install 1,2,3-triazole moiety in natural products and synthetic drug-like molecules, such as in colchicine, flavanone cardanol, bisphosphonates, thiabendazoles, piperazine, prostanoid, flavonoid, quinoxalines, C-azanucleoside, dibenzylamine, and aryl-azotriazole. The cytotoxicity of triazole hybrid analogues was evaluated against a panel of cancer cell lines, including multidrug-resistant cell lines.
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Affiliation(s)
- Shiva K Rastogi
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
| | - Veronica C Ciliberto
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
| | - Monica Z Trevino
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
| | - Brooke A Campbell
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
| | - William J Brittain
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
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11
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Sung K, Aswar VR, Song J, Jarhad DB, Jeong LS. Stereoselective Approach for the Synthesis of Diverse 1'-Modified Carbanucleosides. Org Lett 2023; 25:8377-8381. [PMID: 37947427 DOI: 10.1021/acs.orglett.3c03518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
We describe an efficient and stereoselective synthesis of 1'-substituted-β-carbocylic nucleosides 5 via gem-dichlorooxirane intermediate 7, which directly condensed with weak nucleophiles such as pyrimidines or purines. The formation of gem-dichlorooxirane 7 and direct nucleobase condensation exclusively proceeded in protic polar solvents like MeOH. This method provides a general and modular route for the late-stage diversification of 1'-modified nucleosides.
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Affiliation(s)
- Kisu Sung
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea
| | - Vikas R Aswar
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea
| | - Jiyoon Song
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea
| | - Dnyandev B Jarhad
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea
| | - Lak Shin Jeong
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea
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12
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Le Zhang, He S, Hou J, Ye M, Chen J, Lv G, Huang T, Yang Z, Wu Y. Visible-light-mediated synthesis of non-anomeric S-aryl glycosides via a photoactive electron-donor-acceptor complex. Chem Commun (Camb) 2023; 59:13759-13762. [PMID: 37916505 DOI: 10.1039/d3cc03474g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
A visible-light-mediated glycosylation reaction between glycosyl redox-active esters and disulfides has been reported, through which a series of S-aryl glycosides were obtained in good yields with satisfactory stereoselectivity. The preliminary mechanistic studies revealed that this transformation proceeded via an EDA complex. Moreover, the potential application value was demonstrated in the late-stage functionalisation of drug molecules and a gram-scale experiment.
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Affiliation(s)
- Le Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Department of Medicinal Chemistry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Shiyun He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Department of Medicinal Chemistry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Jinyu Hou
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Department of Medicinal Chemistry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Meiling Ye
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Department of Medicinal Chemistry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Jian Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Department of Medicinal Chemistry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Guanghui Lv
- Department of Pharmacy, Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, Hubei, China
| | - Tianle Huang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Department of Medicinal Chemistry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Zhongzhen Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Department of Medicinal Chemistry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
| | - Yong Wu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Department of Medicinal Chemistry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, No. 17 Southern Renmin Road, Chengdu, Sichuan 610041, People's Republic of China.
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13
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Ojeda-Porras AC, Roy V, Bourzikat O, Favetta P, Agrofoglio LA. Cobalt-assisted route to rare carbocyclic C-ribonucleosides. RSC Adv 2023; 13:30777-30786. [PMID: 37869399 PMCID: PMC10587889 DOI: 10.1039/d3ra04937j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 10/02/2023] [Indexed: 10/24/2023] Open
Abstract
(Re)emerging RNA viruses have been major threats to public health in the past years, and from the few drugs available, nucleoside analogues are still at the cornerstone of the antiviral therapy. Among them, the synthesis of carbocyclic C-nucleosides is suffering from long syntheses and poor yields. Herein we report a concise stereoselective synthesis of rare carbocyclic C-nucleosides (11a-l) bearing non-canonical nucleobases through a cobalt-assisted-route as key step starting from the optically pure (-)-cyclopentenone 1. This approach paves the route for novel carbocyclic C-nucleoside discovery.
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Affiliation(s)
- A C Ojeda-Porras
- Université d'Orléans et CNRS, ICOA, UMR 7311 F-45067 Orléans France
| | - V Roy
- Université d'Orléans et CNRS, ICOA, UMR 7311 F-45067 Orléans France
| | - O Bourzikat
- Université d'Orléans et CNRS, ICOA, UMR 7311 F-45067 Orléans France
| | - P Favetta
- Université d'Orléans et CNRS, ICOA, UMR 7311 F-45067 Orléans France
| | - L A Agrofoglio
- Université d'Orléans et CNRS, ICOA, UMR 7311 F-45067 Orléans France
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14
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Dörrenhaus R, Wagner PK, Kath-Schorr S. Two are not enough: synthetic strategies and applications of unnatural base pairs. Biol Chem 2023; 404:883-896. [PMID: 37354104 DOI: 10.1515/hsz-2023-0169] [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: 03/29/2023] [Accepted: 06/05/2023] [Indexed: 06/26/2023]
Abstract
Nucleic acid chemistry is a rapidly evolving field, and the need for novel nucleotide modifications and artificial nucleotide building blocks for diagnostic and therapeutic use, material science or for studying cellular processes continues unabated. This review focusses on the development and application of unnatural base pairs as part of an expanded genetic alphabet. Not only recent developments in "nature-like" artificial base pairs are presented, but also current synthetic methods to get access to C-glycosidic nucleotides. Wide-ranging viability in synthesis is a prerequisite for the successful use of unnatural base pairs in a broader spectrum and will be discussed.
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15
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Jiang Y, Zhang Y, Lee BC, Koh MJ. Diversification of Glycosyl Compounds via Glycosyl Radicals. Angew Chem Int Ed Engl 2023; 62:e202305138. [PMID: 37278303 DOI: 10.1002/anie.202305138] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/07/2023]
Abstract
Glycosyl radical functionalization is one of the central topics in synthetic carbohydrate chemistry. Recent advances in metal-catalyzed cross-coupling chemistry and metallaphotoredox catalysis provided powerful platforms for glycosyl radical diversification. In particular, the discovery of new glycosyl radical precursors in conjunction with these advanced reaction technologies have significantly expanded the space for glycosyl compound synthesis. In this Review, we highlight the most recent progress in this area starting from 2021, and the reports included will be categorized based on different reaction types for better clarity.
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Affiliation(s)
- Yi Jiang
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
| | - Yijun Zhang
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
- Department of Chemistry, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen, 518055, China
| | - Boon Chong Lee
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
| | - Ming Joo Koh
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
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16
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Cardoza S, Shrivash MK, Riva L, Chatterjee AK, Mandal A, Tandon V. Multistep Synthesis of Analogues of Remdesivir: Incorporating Heterocycles at the C-1' Position. J Org Chem 2023; 88:9105-9122. [PMID: 37276453 DOI: 10.1021/acs.joc.3c00754] [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: 06/07/2023]
Abstract
Studies suggest that the 1'β-CN moiety in remdesivir sterically clashes with the Ser861 residue of the RNA-dependent-RNA polymerase (RdRp), causing a delayed chain termination in the RNA replication process. Replacing C1'β-CN with 5-membered heterocycles such as tetrazoles, oxadiazoles, and triazoles can augment the inhibitory activity and pharmacokinetic profile of C-nucleotides. Synthesis of tetrazole-, triazole-, and oxadiazole-integrated C1' analogues of remdesivir was attempted using general synthetic routes. The final compounds 26, 28, and 29 did not inhibit viral replication; however, the synthetic intermediates, i.e., 27 and 50, exhibited an IC90 = 14.1 μM each. The trifluoromethyl-substituted 1,2,4-oxadiazole 59 showed an IC90 of 33.5 μM. This work adds to the growing evidence of the beneficial medicinal impact of C1,1'-disubstituted C-nucleotides.
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Affiliation(s)
- Savio Cardoza
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | - Manoj Kumar Shrivash
- Department of Applied Sciences, Indian Institute of Information Technology Allahabad, Allahabad 211012, Uttar Pradesh, India
| | - Laura Riva
- Calibr, Scripps Research, La Jolla, 11119 North Torrey Pines Road Suite 100, California 92037, United States
| | - Arnab K Chatterjee
- Calibr, Scripps Research, La Jolla, 11119 North Torrey Pines Road Suite 100, California 92037, United States
| | - Ajay Mandal
- Symbol Discovery Ltd, ASPIRE-TBI, School of Life Sciences, University of Hyderabad, Gachibowli, Hyderabad 500046, India
| | - Vibha Tandon
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
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17
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Kumar S, Khatri V, Mangla P, Chhatwal RJ, Parmar VS, Prasad AK. C-Glycopyranosyl aldehydes: emerging chiral synthons in organic synthesis. RSC Adv 2023; 13:19898-19954. [PMID: 37404320 PMCID: PMC10316784 DOI: 10.1039/d3ra02122j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/16/2023] [Indexed: 07/06/2023] Open
Abstract
Herein, we have summarized the vast array of synthetic processes that have been developed for the synthesis of C-glycopyranosyl aldehydes and diverse C-glycoconjugates derived from them by covering the literature reported from 1979 to 2023. Notwithstanding its challenging chemistry, C-glycosides are considered stable pharmacophores and are used as important bioactive molecules. The discussed synthetic methodologies to access C-glycopyranosyl aldehydes take advantage of seven key intermediates, viz. allene, thiazole, dithiane, cyanide, alkene, and nitromethane. Furthermore, the integration of complex C-glycoconjugates derived from varied C-glycopyranosyl aldehydes involves nucleophilic addition/substitution, reduction, condensation, oxidation, cyclo condensation, coupling, and Wittig reactions. In this review, we have categorized the synthesis of C-glycopyranosyl aldehydes and C-glycoconjugates on the basis of the methodology used for their synthesis and on types of C-glycoconjugates, respectively.
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Affiliation(s)
- Sandeep Kumar
- Bioorganic Laboratory, Department of Chemistry, University of Delhi Delhi India
| | - Vinod Khatri
- Bioorganic Laboratory, Department of Chemistry, University of Delhi Delhi India
- T. D. L. Govt College for Women Murthal-131027 Haryana India
| | - Priyanka Mangla
- Bioorganic Laboratory, Department of Chemistry, University of Delhi Delhi India
| | | | - Virinder S Parmar
- Bioorganic Laboratory, Department of Chemistry, University of Delhi Delhi India
- The City University of New York-Medgar Evers College, Department of Chemistry and Environmental Science USA
- Nanoscience Program, CUNY-Graduate Center and City College, Departments of Chemistry and Biochemistry USA
- Institute of Click Chemistry Research and Studies, Amity University Noida 201303 India
| | - Ashok K Prasad
- Bioorganic Laboratory, Department of Chemistry, University of Delhi Delhi India
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18
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Wang S, Chen K, Guo F, Zhu W, Liu C, Dong H, Yu JQ, Lei X. C-H Glycosylation of Native Carboxylic Acids: Discovery of Antidiabetic SGLT-2 Inhibitors. ACS CENTRAL SCIENCE 2023; 9:1129-1139. [PMID: 37396867 PMCID: PMC10311666 DOI: 10.1021/acscentsci.3c00201] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Indexed: 07/04/2023]
Abstract
C-Glycosides are critical motifs embedded in many bioactive natural products. The inert C-glycosides are privileged structures for developing therapeutic agents owing to their high chemical and metabolic stability. Despite the comprehensive strategies and tactics established in the past few decades, highly efficient C-glycoside syntheses via C-C coupling with excellent regio-, chemo-, and stereoselectivity are still needed. Here, we report the efficient Pd-catalyzed glycosylation of C-H bonds promoted by weak coordination with native carboxylic acids without external directing groups to install various glycals to the structurally diverse aglycon parts. Mechanistic evidence points to the participation of a glycal radical donor in the C-H coupling reaction. The method has been applied to a wide range of substrates (over 60 examples), including many marketed drug molecules. Natural product- or drug-like scaffolds with compelling bioactivities have been constructed using a late-stage diversification strategy. Remarkably, a new potent sodium-glucose cotransporter-2 inhibitor with antidiabetic potential has been discovered, and the pharmacokinetic/pharmacodynamic profiles of drug molecules have been changed using our C-H glycosylation approach. The method developed here provides a powerful tool for efficiently synthesizing C-glycosides to facilitate drug discovery.
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Affiliation(s)
- Sanshan Wang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Department
of Chemical Biology, College of Chemistry and Molecular Engineering,
Synthetic and Functional Biomolecules Center, and Peking-Tsinghua
Center for Life Sciences, Peking University, Beijing 100871, China
| | - Kaiqi Chen
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Department
of Chemical Biology, College of Chemistry and Molecular Engineering,
Synthetic and Functional Biomolecules Center, and Peking-Tsinghua
Center for Life Sciences, Peking University, Beijing 100871, China
| | - Fusheng Guo
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Department
of Chemical Biology, College of Chemistry and Molecular Engineering,
Synthetic and Functional Biomolecules Center, and Peking-Tsinghua
Center for Life Sciences, Peking University, Beijing 100871, China
| | - Wenneng Zhu
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Department
of Chemical Biology, College of Chemistry and Molecular Engineering,
Synthetic and Functional Biomolecules Center, and Peking-Tsinghua
Center for Life Sciences, Peking University, Beijing 100871, China
| | - Chendi Liu
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Department
of Chemical Biology, College of Chemistry and Molecular Engineering,
Synthetic and Functional Biomolecules Center, and Peking-Tsinghua
Center for Life Sciences, Peking University, Beijing 100871, China
| | - Haoran Dong
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Department
of Chemical Biology, College of Chemistry and Molecular Engineering,
Synthetic and Functional Biomolecules Center, and Peking-Tsinghua
Center for Life Sciences, Peking University, Beijing 100871, China
| | - Jin-Quan Yu
- Department
of Chemistry, The Scripps Research Institute,10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Xiaoguang Lei
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Department
of Chemical Biology, College of Chemistry and Molecular Engineering,
Synthetic and Functional Biomolecules Center, and Peking-Tsinghua
Center for Life Sciences, Peking University, Beijing 100871, China
- Institute
for Cancer Research, Shenzhen Bay Laboratory, Shenzhen 518107, China
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19
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Pfeiffer M, Ribar A, Nidetzky B. A selective and atom-economic rearrangement of uridine by cascade biocatalysis for production of pseudouridine. Nat Commun 2023; 14:2261. [PMID: 37081027 PMCID: PMC10116470 DOI: 10.1038/s41467-023-37942-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 04/06/2023] [Indexed: 04/22/2023] Open
Abstract
As a crucial factor of their therapeutic efficacy, the currently marketed mRNA vaccines feature uniform substitution of uridine (U) by the corresponding C-nucleoside, pseudouridine (Ψ), in 1-N-methylated form. Synthetic supply of the mRNA building block (1-N-Me-Ψ-5'-triphosphate) involves expedient access to Ψ as the principal challenge. Here, we show selective and atom-economic 1N-5C rearrangement of β-D-ribosyl on uracil to obtain Ψ from unprotected U in quantitative yield. One-pot cascade transformation of U in four enzyme-catalyzed steps, via D-ribose (Rib)-1-phosphate, Rib-5-phosphate (Rib5P) and Ψ-5'-phosphate (ΨMP), gives Ψ. Coordinated function of the coupled enzymes in the overall rearrangement necessitates specific release of phosphate from the ΨMP, but not from the intermediary ribose phosphates. Discovery of Yjjg as ΨMP-specific phosphatase enables internally controlled regeneration of phosphate as catalytic reagent. With driving force provided from the net N-C rearrangement, the optimized U reaction yields a supersaturated product solution (∼250 g/L) from which the pure Ψ crystallizes (90% recovery). Scale up to 25 g isolated product at enzyme turnovers of ∼105 mol/mol demonstrates a robust process technology, promising for Ψ production. Our study identifies a multistep rearrangement reaction, realized by cascade biocatalysis, for C-nucleoside synthesis in high efficiency.
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Affiliation(s)
- Martin Pfeiffer
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010, Graz, Austria
- Austrian Centre of Industrial Biotechnology (acib), Krenngasse 37, A-8010, Graz, Austria
| | - Andrej Ribar
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010, Graz, Austria
- Austrian Centre of Industrial Biotechnology (acib), Krenngasse 37, A-8010, Graz, Austria
| | - Bernd Nidetzky
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010, Graz, Austria.
- Austrian Centre of Industrial Biotechnology (acib), Krenngasse 37, A-8010, Graz, Austria.
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20
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An YJ, Choi SM, Choi ER, Nam YE, Seo EW, Ahn SB, Jang Y, Kim M, Cho JH. Synthesis and biological evaluation of new β-D-N 4-hydroxycytidine analogs against SARS-CoV-2, influenza viruses and DENV-2. Bioorg Med Chem Lett 2023; 83:129174. [PMID: 36764470 PMCID: PMC9905048 DOI: 10.1016/j.bmcl.2023.129174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/28/2023] [Accepted: 02/04/2023] [Indexed: 02/10/2023]
Abstract
Drug repurposing approach was applied to find a potent antiviral agent against RNA viruses such as SARS-CoV-2, influenza viruses and dengue virus with a concise strategy of small change in parent molecular structure. For this purpose, β-D-N4-hydroxycytidine (NHC, 1) with a broad spectrum of antiviral activity was chosen as the parent molecule. Among the prepared NHC analogs (8a-g, and 9) from uridine, β-D-N4-O-isobutyrylcytidine (8a) showed potent activity against SARS-CoV-2 (EC50 3.50 μM), Flu A (H1N1) (EC50 5.80 μM), Flu A (H3N2) (EC50 7.30 μM), Flu B (EC50 3.40 μM) and DENV-2 (EC50 3.95 μM) in vitro. Furthermore, its potency against SARS-CoV-2 was >5-fold, 3.4-fold, and 3-fold compared to that of NHC (1), MK-4482 (2), and remdesivir (RDV) in vitro, respectively. Ultimately, compound 8a was expected to be a potent inhibitor toward RNA viruses as a viral mutagenic agent like MK-4482.
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Affiliation(s)
- Yeon Jin An
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan 49315, South Korea
| | - Se Myeong Choi
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan 49315, South Korea
| | - Eun Rang Choi
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan 49315, South Korea
| | - Ye Eun Nam
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan 49315, South Korea
| | - Eun Woo Seo
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan 49315, South Korea
| | - Soo Bin Ahn
- Infectious Diseases Therapeutic Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, South Korea; Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon 34134, South Korea
| | - Yejin Jang
- Infectious Diseases Therapeutic Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, South Korea
| | - Meehyein Kim
- Infectious Diseases Therapeutic Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, South Korea; Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon 34134, South Korea.
| | - Jong Hyun Cho
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan 49315, South Korea; Department of Translational Biomedical Sciences, Graduate School of Dong-A University, Busan 49201, South Korea.
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21
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Ghouilem J, Bazzi S, Grimblat N, Retailleau P, Gandon V, Messaoudi S. Transient imine as a directing group for the Pd-catalyzed anomeric C(sp 3)-H arylation of 3-aminosugars. Chem Commun (Camb) 2023; 59:2497-2500. [PMID: 36752765 DOI: 10.1039/d3cc00046j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The first example of Pd(II)-catalyzed anomeric arylation of 3-aminosugars is reported by using an L,X-type transient directing group (TDG) approach combined with an external 2-pyridone ligand. The released free amine was in situ transformed into an azide function, which was then exploited in a CuAAC to increase the molecular complexity and prepare a variety of complex substituted C3-triazolo C-glycosides in good yields.
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Affiliation(s)
- Juba Ghouilem
- Universite Paris-Saclay, CNRS, BioCIS, 92290, Châtenay-Malabry, France.
| | - Sokna Bazzi
- Universite Paris-Saclay, CNRS, BioCIS, 92290, Châtenay-Malabry, France.
| | - Nicolas Grimblat
- Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168, Ecole Polytechnique, Institut Polytechnique de Paris, route de Saclay, Palaiseau 91120, France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Universite Paris-Saclay, avenue de la terrasse, Gif-sur-Yvette 91198, France
| | - Vincent Gandon
- Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168, Ecole Polytechnique, Institut Polytechnique de Paris, route de Saclay, Palaiseau 91120, France.,Université Paris-Saclay, CNRS, ICMMO, 91405, Orsay cedex, France
| | - Samir Messaoudi
- Universite Paris-Saclay, CNRS, BioCIS, 92290, Châtenay-Malabry, France.
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22
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Ghosh A, Akabane-Nakata M, Kundu J, Harp JM, Madaoui M, Egli M, Manoharan M, Sinha S. Synthesis and Biophysical Properties of Phosphorodiamidate Piperidino Oligomers. Org Lett 2023; 25:901-906. [PMID: 36734846 DOI: 10.1021/acs.orglett.2c04067] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We report the synthesis of piperidino nucleoside phosphoramidates functionalized with uracil, cytosine, guanine, and adenine and their incorporation into oligomers. High-performance liquid chromatography analyses demonstrated that a phosphorodiamidate piperidino oligomer (PPO) is more lipophilic than a phosphorodiamidate morpholino oligomer (PMO) of the same tetrameric sequence. A PMO containing piperidino residues formed duplexes with both DNA and RNA, and the PPO had higher stability at endosomolytic pH and higher hydrophobicity than the PMO.
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Affiliation(s)
- Atanu Ghosh
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | | | - Jayanta Kundu
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | - Joel M Harp
- Department of Biochemistry, School of Medicine, Vanderbilt University, Nashville, Tennessee 37232, United States
| | - Mimouna Madaoui
- Alnylam Pharmaceuticals, Cambridge, Massachusetts 02142, United States
| | - Martin Egli
- Department of Biochemistry, School of Medicine, Vanderbilt University, Nashville, Tennessee 37232, United States
| | - Muthiah Manoharan
- Alnylam Pharmaceuticals, Cambridge, Massachusetts 02142, United States
| | - Surajit Sinha
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
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23
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Kurahayashi K, Hanaya K, Sugai T, Hirai G, Higashibayashi S. Copper-Catalyzed Stereoselective Borylation and Palladium-Catalyzed Stereospecific Cross-Coupling to Give Aryl C-Glycosides. Chemistry 2023; 29:e202203376. [PMID: 36344464 DOI: 10.1002/chem.202203376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/06/2022] [Accepted: 11/07/2022] [Indexed: 11/09/2022]
Abstract
Metabolically stable C-glycosides are an essential family of compounds in bioactive natural products, therapeutic agents, and biological probes. For their application, development of synthetic methods by connecting glycosides and aglycons with strict stereocontrol at the anomeric carbon, as well as with high functional-group compatibility and environmental compatibility is a pivotal issue. Although Suzuki-Miyaura-type C(sp3 )-C(sp2 ) cross-coupling using glycosyl boronates is a potential candidate for the construction of C-glycosides, neither the cross-coupling itself nor the facile synthesis of the coupling precursor, glycosyl boronates, have been achieved to date. Herein, it was succeeded to develop a copper-catalyzed stereoselective one-step borylation of glycosyl bromides to glycosyl boronates and palladium-catalyzed stereospecific cross-coupling of β-glycosyl borates with aryl bromides to give aryl β-C-glycosides, in which the β-configuration of the anomeric carbon of the glycosyl trifluoroborates is stereoretentively transferred to that of the resulting aryl C-glycosides.
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Affiliation(s)
- Kazuki Kurahayashi
- Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo, 105-8512, Japan
| | - Kengo Hanaya
- Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo, 105-8512, Japan
| | - Takeshi Sugai
- Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo, 105-8512, Japan
| | - Go Hirai
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka, 812-8582, Japan
| | - Shuhei Higashibayashi
- Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo, 105-8512, Japan
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24
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Maheshwari M, Pandey RP, Hussain N. Pd-catalyzed direct functionalization of glycals with cycloalkenones: application to the synthesis of chiral phenanthrenones. Chem Commun (Camb) 2023; 59:627-630. [PMID: 36533688 DOI: 10.1039/d2cc05255e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A palladium-catalyzed direct C-H functionalization of glycals with cycloalkenones is described and a series of C-2 functionalized glycals were synthesized efficiently with cyclic enones. The direct C-H functionalization of glycals with Pd(II) and subsequent insertion of cyclic enones via β-hydride elimination is the key to the synthesis of 2C-branched glycals. The synthetic utility of this methodology for chiral phenanthrenones has also been demonstrated by coupling the synthesized 2C-branched glycals with arynes via 4+2 cycloaddition followed by concomitant pyran ring opening.
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Affiliation(s)
- Mittali Maheshwari
- Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India.
| | - Ram Pratap Pandey
- Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India.
| | - Nazar Hussain
- Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India.
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25
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Li W, Girt GC, Radadiya A, Stewart JJP, Richards NGJ, Naismith JH. Experimental and computational snapshots of C-C bond formation in a C-nucleoside synthase. Open Biol 2023; 13:220287. [PMID: 36629016 PMCID: PMC9832568 DOI: 10.1098/rsob.220287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
The biosynthetic enzyme, ForT, catalyses the formation of a C-C bond between 4-amino-1H-pyrazoledicarboxylic acid and MgPRPP to produce a C-nucleoside precursor of formycin A. The transformation catalysed by ForT is of chemical interest because it is one of only a few examples in which C-C bond formation takes place via an electrophilic substitution of a small, aromatic heterocycle. In addition, ForT is capable of discriminating between the aminopyrazoledicarboxylic acid and an analogue in which the amine is replaced by a hydroxyl group; a remarkable feat given the steric and electronic similarities of the two molecules. Here we report biophysical measurements, structural biology and quantum chemical calculations that provide a detailed molecular picture of ForT-catalysed C-C bond formation and the conformational changes that are coupled to catalysis. Our findings set the scene for employing engineered ForT variants in the biocatalytic production of novel, anti-viral C-nucleoside and C-nucleotide analogues.
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Affiliation(s)
- Wenbo Li
- Structural Biology, The Rosalind Franklin Institute, Didcot OX11 0QS, UK,Division of Structural Biology, Nuffield Department of Medicine, Roosevelt Drive, Oxford OX3 7BN, UK
| | - Georgina C. Girt
- Structural Biology, The Rosalind Franklin Institute, Didcot OX11 0QS, UK
| | - Ashish Radadiya
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, UK
| | | | - Nigel G. J. Richards
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, UK,Foundation for Applied Molecular Evolution, Alachua, FL 32615, USA
| | - James H. Naismith
- Structural Biology, The Rosalind Franklin Institute, Didcot OX11 0QS, UK,Division of Structural Biology, Nuffield Department of Medicine, Roosevelt Drive, Oxford OX3 7BN, UK
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26
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Cobalt-Catalyzed C–C Coupling Reactions with Csp3 Electrophiles. TOP ORGANOMETAL CHEM 2023. [DOI: 10.1007/3418_2023_83] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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27
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Afzal U, Bilal M, Zubair M, Rasool N, Adnan Ali Shah S, Amiruddin Zakaria Z. Stereospecific/stereoselective Nickel catalyzed reductive cross-coupling: An efficient tool for the synthesis of biological active targeted molecules. JOURNAL OF SAUDI CHEMICAL SOCIETY 2022. [DOI: 10.1016/j.jscs.2022.101589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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28
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Poudel TN, Panda S, Orimoloye M, Hegde P, Aldrich CC. 1'-Cyano Intermediate Enables Rapid and Stereoretentive Access to 1'-Modified Remdesivir Nucleosides. J Org Chem 2022; 87:14452-14462. [PMID: 36223099 DOI: 10.1021/acs.joc.2c01897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
While biochemical, structural, and computational studies have shown the importance of remdesivir's C1'-substituent in its perturbation of SARS-CoV-2 RdRp action, we recognized the paucity of methods to stereoselectively install substituents at this position as an obstacle to rigorous explorations of SAR and mechanism. We report the utilization of an anomerically pure 1'-cyano intermediate as an entry point to a chemically diverse set of substitutions, allowing for 1'diversification while obviating the need for the tedious separation of anomeric mixtures.
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Affiliation(s)
- Tej Narayan Poudel
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Subhankar Panda
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Moyosore Orimoloye
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Pooja Hegde
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Courtney C Aldrich
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
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29
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Wu J, Kaplaneris N, Pöhlmann J, Michiyuki T, Yuan B, Ackermann L. Remote C-H Glycosylation by Ruthenium(II) Catalysis: Modular Assembly of meta-C-Aryl Glycosides. Angew Chem Int Ed Engl 2022; 61:e202208620. [PMID: 35877556 PMCID: PMC9825995 DOI: 10.1002/anie.202208620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Indexed: 01/11/2023]
Abstract
The prevalence of C-aryl glycosides in biologically active natural products and approved drugs has long motivated the development of efficient strategies for their selective synthesis. Cross-couplings have been frequently used, but largely relied on palladium catalyst with prefunctionalized substrates, while ruthenium-catalyzed C-aryl glycoside preparation has thus far proven elusive. Herein, we disclose a versatile ruthenium(II)-catalyzed meta-C-H glycosylation to access meta-C-aryl glycosides from readily available glycosyl halide donors. The robustness of the ruthenium catalysis was reflected by mild reaction conditions, outstanding levels of anomeric selectivity and exclusive meta-site-selectivity.
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Affiliation(s)
- Jun Wu
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammanstraße 237077GöttingenGermany
| | - Nikolaos Kaplaneris
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammanstraße 237077GöttingenGermany
| | - Julia Pöhlmann
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammanstraße 237077GöttingenGermany
| | - Takuya Michiyuki
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammanstraße 237077GöttingenGermany,Wöhler Research Institute for Sustainable ChemistryTammanstraße 237077GöttingenGermany
| | - Binbin Yuan
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammanstraße 237077GöttingenGermany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammanstraße 237077GöttingenGermany,Wöhler Research Institute for Sustainable ChemistryTammanstraße 237077GöttingenGermany
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30
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Chauhan NS, Dubey A, Mandal PK. Palladium-Catalyzed Direct C-H Glycosylation of Free ( N-H) Indole and Tryptophan by Norbornene-Mediated Regioselective C-H Activation. Org Lett 2022; 24:7067-7071. [PMID: 36165771 DOI: 10.1021/acs.orglett.2c02537] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We describe the palladium-catalyzed direct C-H glycosylation of free N-H indole or tryptophan for the stereoselective synthesis of 2-glycosylindoles and tryptophan-C-glycosides. This reaction relies on the ortho-directing transient mediator norbornene, which underwent regioselective C-H functionalization at the indole or tryptophan ring, providing high chemoselectivity. This method offers a more straightforward, step-economical, and cost-effective route to construct C-glycosides. The gram-scale amenable building blocks can be further functionalized at C3 and N-H, displaying the robustness of present method.
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Affiliation(s)
- Neha Singh Chauhan
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, P.O. Box 173, Lucknow 226031, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Atul Dubey
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, P.O. Box 173, Lucknow 226031, India
| | - Pintu Kumar Mandal
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram Extension, Sitapur Road, P.O. Box 173, Lucknow 226031, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
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31
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Gou X, Li Y, Shi W, Luan Y, Ding Y, An Y, Huang Y, Zhang B, Liu X, Liang Y. Ruthenium‐Catalyzed Stereo‐ and Site‐Selective
ortho‐
and
meta
‐C−H Glycosylation and Mechanistic Studies. Angew Chem Int Ed Engl 2022; 61:e202205656. [DOI: 10.1002/anie.202205656] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Xue‐Ya Gou
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yuke Li
- Department of Chemistry and Centre for Scientific Modeling and Computation Chinese University of Hong Kong Shatin Hong Kong China
| | - Wei‐Yu Shi
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yu‐Yong Luan
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Ya‐Nan Ding
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yang An
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yan‐Chong Huang
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Bo‐Sheng Zhang
- College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou 730000 China
| | - Xue‐Yuan Liu
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yong‐Min Liang
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
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32
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Wu J, Kaplaneris N, Pöhlmann J, Michiyuki T, Yuan B, Ackermann L. Remote C–H Glycosylation by Ruthenium(II) Catalysis: Modular Assembly of meta‐C‐Aryl Glycosides. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jun Wu
- University of Göttingen: Georg-August-Universitat Gottingen WISCh GERMANY
| | | | - Julia Pöhlmann
- University of Göttingen: Georg-August-Universitat Gottingen WISCh GERMANY
| | - Takuya Michiyuki
- University of Göttingen: Georg-August-Universitat Gottingen WISCh GERMANY
| | - Binbin Yuan
- University of Göttingen: Georg-August-Universitat Gottingen WISCh GERMANY
| | - Lutz Ackermann
- Georg-August-Universitaet Goettingen Institut fuer Organische und Biomolekulare Chemie Tammannstr. 2 37077 Goettingen GERMANY
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33
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Jung E, Soto-Acosta R, Xie J, Wilson DJ, Dreis CD, Majima R, Edwards TC, Geraghty RJ, Chen L. Bisubstate Inhibitors of Severe Acute Respiratory Syndrome Coronavirus-2 Nsp14 Methyltransferase. ACS Med Chem Lett 2022; 13:1477-1484. [PMID: 36097498 PMCID: PMC9344893 DOI: 10.1021/acsmedchemlett.2c00265] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/15/2022] [Indexed: 12/30/2022] Open
Affiliation(s)
- Eunkyung Jung
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Ruben Soto-Acosta
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Jiashu Xie
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Daniel J. Wilson
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Christine D. Dreis
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Ryuichi Majima
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Tiffany C. Edwards
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Robert J. Geraghty
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Liqiang Chen
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
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34
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Gou X, Li Y, Shi W, Luan Y, Ding Y, An Y, Huang Y, Zhang B, Liu X, Liang Y. Ruthenium‐Catalyzed Stereo‐ and Site‐Selective
ortho‐
and
meta
‐C−H Glycosylation and Mechanistic Studies. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xue‐Ya Gou
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yuke Li
- Department of Chemistry and Centre for Scientific Modeling and Computation Chinese University of Hong Kong Shatin Hong Kong China
| | - Wei‐Yu Shi
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yu‐Yong Luan
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Ya‐Nan Ding
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yang An
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yan‐Chong Huang
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Bo‐Sheng Zhang
- College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou 730000 China
| | - Xue‐Yuan Liu
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Yong‐Min Liang
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
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35
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Shi WY, Li HY, Gou XY, Luan YY, Zheng N, Zhang Z, Niu ZJ, Liu XY, Liang YM. Synthesis of C‐Aryl Glycosides via Ru‐catalyzed remote C‐H Glycosylation of 8‐Aminoquinoline Amides. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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36
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Cai S, Sun Q, Wang Q, He G, Chen G. Ruthenium-Catalyzed Pyridine-Directed Aryl C-H Glycosylation with Glycosyl Chlorides. J Org Chem 2022; 87:8811-8818. [PMID: 35696353 DOI: 10.1021/acs.joc.2c00815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Metal-catalyzed C-H glycosylation reactions with glycosyl chloride donors have emerged as a useful strategy for the synthesis of C-glycosides. Previously, palladium and nickel complexes were reported to catalyze C-H glycosylation reactions using amide-linked bidentate auxiliaries. Herein, a ruthenium-catalyzed ortho C-H glycosylation reaction of arenes with various glycosyl chloride donors using a monodentate pyridine directing group is developed. Preliminary mechanistic studies indicated that two-electron oxidative addition and reductive elimination of ruthenocycle intermediate led to the glycosylation products.
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Affiliation(s)
- Shaokun Cai
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Qikai Sun
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Quanquan Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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37
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Thadathil DA, Varghese A, Ahamed CVS, Krishnakumar K, Varma SS, Lankalapalli RS, Radhakrishnan KV. Enzyme based bioelectrocatalysis over laccase immobilized poly-thiophene supported carbon fiber paper for the oxidation of D-ribofuranose to D-ribonolactone. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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38
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Escolano M, Cabrera-Afonso MJ, Ribagorda M, Badir SO, Molander GA. Nickel-Mediated Synthesis of Non-Anomeric C-Acyl Glycosides through Electron Donor-Acceptor Complex Photoactivation. J Org Chem 2022; 87:4981-4990. [PMID: 35289617 PMCID: PMC10412007 DOI: 10.1021/acs.joc.1c03041] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The preparation of nonanomeric C-acyl-saccharides has been developed from two different carboxylic acid feedstocks. This transformation is driven by the synergistic interaction of an electron donor-acceptor complex and Ni catalysis. Primary-, secondary-, and tertiary redox-active esters are incorporated as coupling partners onto preactivated pyranosyl- and furanosyl acids, preserving their stereochemical integrity. The reaction occurs under mild conditions, without stoichiometric metal reductants or exogenous catalysts, using commercially available Hantzsch ester as the organic photoreductant.
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Affiliation(s)
- Marcos Escolano
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Pennsylvania 19104-6323, United States
| | - María Jesús Cabrera-Afonso
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Pennsylvania 19104-6323, United States
| | - Maria Ribagorda
- Facultad de Ciencias, Departamento de Química, Universidad Autónoma de Madrid, Madrid 28049, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid 28049, Spain
| | - Shorouk O. Badir
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Pennsylvania 19104-6323, United States
| | - Gary A. Molander
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Pennsylvania 19104-6323, United States
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39
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Sierocki P, Gaillard K, Arellano Reyes RA, Donnart C, Lambert E, Grosse S, Arzel L, Tessier A, Guillemont J, Mathé-Allainmat M, Lebreton J. Synthesis of novel C-nucleoside analogues bearing an anomeric cyano and a 1,2,3-triazole nucleobase as potential antiviral agents. Org Biomol Chem 2022; 20:2715-2728. [PMID: 35293914 DOI: 10.1039/d1ob02451e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A linear sequence to access a novel series of C-nucleosides bearing a quaternary carbon at the anomeric position tethered to a 4-substituted 1,2,3-triazole ring is described. Most of the compounds were obtained from a C-1 alkynyl furanoside, by a tandem or two-step CuAAC/functionalisation sequence, along with a diastereoselective cyanation of the furanoside derivatives in acidic conditions.
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Affiliation(s)
- Pierre Sierocki
- Nantes Université, CNRS, Laboratoire CEISAM-UMR 6230, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
| | - Krystal Gaillard
- Nantes Université, CNRS, Laboratoire CEISAM-UMR 6230, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
| | - Ruben Arturo Arellano Reyes
- Nantes Université, CNRS, Laboratoire CEISAM-UMR 6230, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
| | - Chloé Donnart
- Nantes Université, CNRS, Laboratoire CEISAM-UMR 6230, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
| | - Emilie Lambert
- Janssen-Cilag, Campus de Maigremont BP615, F-27106 Val de Reuil, Cedex, France
| | - Sandrine Grosse
- Janssen Research & Development, Turnhotseweg 30, 2340 Beerse, Belgium
| | - Laurence Arzel
- Nantes Université, CNRS, Laboratoire CEISAM-UMR 6230, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
| | - Arnaud Tessier
- Nantes Université, CNRS, Laboratoire CEISAM-UMR 6230, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
| | - Jerome Guillemont
- Janssen-Cilag, Campus de Maigremont BP615, F-27106 Val de Reuil, Cedex, France
| | - Monique Mathé-Allainmat
- Nantes Université, CNRS, Laboratoire CEISAM-UMR 6230, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
| | - Jacques Lebreton
- Nantes Université, CNRS, Laboratoire CEISAM-UMR 6230, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
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40
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Pal S, Chandra G, Patel S, Singh S. Fluorinated Nucleosides: Synthesis, Modulation in Conformation and Therapeutic Application. CHEM REC 2022; 22:e202100335. [PMID: 35253973 DOI: 10.1002/tcr.202100335] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/22/2022] [Indexed: 12/17/2022]
Abstract
Over the last twenty years, fluorination on nucleoside has established itself as the most promising tool to use to get biologically active compounds that could sustain the clinical trial by affecting the pharmacodynamics and pharmacokinetic properties. Due to fluorine's inherent unique properties and its judicious introduction into the molecule, makes the corresponding nucleoside metabolically very stable, lipophilic, and opens a new site of intermolecular binding. Fluorination on various nucleosides has been extensively studied as a result, a series of fluorinated nucleosides come up for different therapeutic uses which are either approved by the FDA or under the advanced stage of the clinical trial. Here in this review, we are summarizing the latest development in the chemistry of fluorination on nucleoside that led to varieties of new analogs like carbocyclic, acyclic, and conformationally biased nucleoside and their biological properties, the influence of fluorine on conformation, oligonucleotide stability, and their use in therapeutics.
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Affiliation(s)
- Shantanu Pal
- School of Basic Sciences, Indian Institute of Technology, Bhubaneswar Argul, Odisha, India, 752050
| | - Girish Chandra
- Department of Chemistry, School of Physical and Chemical Sciences, Central University of South Bihar, SH-7, Gaya Panchanpur Road, Gaya, Bihar, India, 824236
| | - Samridhi Patel
- Department of Chemistry, School of Physical and Chemical Sciences, Central University of South Bihar, SH-7, Gaya Panchanpur Road, Gaya, Bihar, India, 824236
| | - Sakshi Singh
- School of Basic Sciences, Indian Institute of Technology, Bhubaneswar Argul, Odisha, India, 752050
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41
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Obradors C, Mitschke B, Aukland MH, Leutzsch M, Grossmann O, Brunen S, Schwengers SA, List B. Direkte Katalytische
C
‐Glykosylierung von Arenen: beschleunigte Synthese des Remdesivir‐Nucleosids**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114619] [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)
- Carla Obradors
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Benjamin Mitschke
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Miles H. Aukland
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Markus Leutzsch
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Oleg Grossmann
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Sebastian Brunen
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Sebastian A. Schwengers
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Benjamin List
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
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42
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Lu K, Ma Y, Liu S, Guo S, Zhang Y. Highly Stereoselective
C‐Glycosylation
by Photocatalytic Decarboxylative Alkynylation on Anomeric Position: A Facile Access to Alkynyl
C
‐Glycosides. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202100438] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- KaiLin Lu
- Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, Shanghai Key Laboratory of New Drug Design, School of Pharmacy East China University of Science and Technology Shanghai 200237 China
| | - Yingying Ma
- Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, Shanghai Key Laboratory of New Drug Design, School of Pharmacy East China University of Science and Technology Shanghai 200237 China
| | - Shihui Liu
- College of Medicine, Jiaxing University, Jiaxing Zhejiang 314001 China
| | - Shixun Guo
- Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, Shanghai Key Laboratory of New Drug Design, School of Pharmacy East China University of Science and Technology Shanghai 200237 China
| | - Yongqiang Zhang
- Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, Shanghai Key Laboratory of New Drug Design, School of Pharmacy East China University of Science and Technology Shanghai 200237 China
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43
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Zhang M, Kong L, Gong R, Iorio M, Donadio S, Deng Z, Sosio M, Chen W. Biosynthesis of C-nucleoside antibiotics in actinobacteria: recent advances and future developments. Microb Cell Fact 2022; 21:2. [PMID: 34983520 PMCID: PMC8724604 DOI: 10.1186/s12934-021-01722-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 12/14/2021] [Indexed: 12/13/2022] Open
Abstract
Epidemic diseases and antibiotic resistance are urgent threats to global health, and human is confronted with an unprecedented dilemma to conquer them by expediting development of new natural product related drugs. C-nucleoside antibiotics, a remarkable group of microbial natural products with diverse biological activities, feature a heterocycle base linked with a ribosyl moiety via an unusual C-glycosidic bond, and have played significant roles in healthcare and for plant protection. Elucidating how nature biosynthesizes such a group of antibiotics has provided the basis for engineered biosynthesis as well as targeted genome mining of more C-nucleoside antibiotics towards improved properties. In this review, we mainly summarize the recent advances on the biosynthesis of C-nucleoside antibiotics, and we also tentatively discuss the future developments on rationally accessing C-nucleoside diversities in a more efficient and economical way via synthetic biology strategies.
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Affiliation(s)
- Meng Zhang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Liyuan Kong
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Rong Gong
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | | | | | - Zixin Deng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China.,State Key Laboratory of Microbial Metabolism, and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | | | - Wenqing Chen
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China.
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44
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Chemoselective and Diastereoselective Synthesis of
C
‐Aryl Nucleoside Analogues by Nickel‐Catalyzed Cross‐Coupling of Furanosyl Acetates with Aryl Iodides. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202110391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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45
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Li Y, Wang Z, Li L, Tian X, Shao F, Li C. Chemoselective and Diastereoselective Synthesis of C-Aryl Nucleoside Analogues by Nickel-Catalyzed Cross-Coupling of Furanosyl Acetates with Aryl Iodides. Angew Chem Int Ed Engl 2022; 61:e202110391. [PMID: 34664354 DOI: 10.1002/anie.202110391] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Indexed: 11/08/2022]
Abstract
Canonical nucleosides are vulnerable to enzymatic and chemical degradation, yet their stable mimics-C-aryl nucleosides-have demonstrated potential utility in medicinal chemistry, chemical biology, and synthetic biology, although current synthetic methods remain limited in terms of scope and selectivity. Herein, we report a cross-electrophile coupling to prepare C-aryl nucleoside analogues from readily available furanosyl acetates and aryl iodides. This nickel-catalyzed modular approach is characterized by mild reaction conditions, broad substrate scope, excellent β-selectivity, and high functional-group compatibility. The exclusive chemoselectivity with respect to the aryl iodide enables efficient preparation of a variety of C-aryl halide furanosides suitable for various downstream transformations. The practicality of this transformation is demonstrated through the synthesis of a potent analogue of a naturally occurring NF-κB activator.
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Affiliation(s)
- Yuxi Li
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, 100084, China.,National Institute of Biological Sciences, Beijing, 102206, China
| | - Zheng Wang
- National Institute of Biological Sciences, Beijing, 102206, China
| | - Luyang Li
- National Institute of Biological Sciences, Beijing, 102206, China
| | - Xiaoying Tian
- National Institute of Biological Sciences, Beijing, 102206, China.,Graduate School of Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 102206, China
| | - Feng Shao
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, 100084, China.,National Institute of Biological Sciences, Beijing, 102206, China.,Graduate School of Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 102206, China
| | - Chao Li
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, 100084, China.,National Institute of Biological Sciences, Beijing, 102206, China.,Graduate School of Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 102206, China
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46
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Wang H, Zhong YY, Xiao YC, Chen FE. Chemical and chemoenzymatic stereoselective synthesis of β-nucleosides and their analogues. Org Chem Front 2022. [DOI: 10.1039/d1qo01936h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
β-Nucleosides are fundamental building blocks of biological systems that are widely used as therapeutic agents for treating cancer and viral infections among others. In the last two years, nucleoside analogues...
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47
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Regier J, Ghanty S, Bolshan Y. Stereoselective Palladium-Catalyzed Arylation of Exo-Glycals with Aryl Iodides. J Org Chem 2021; 87:524-530. [PMID: 34958570 DOI: 10.1021/acs.joc.1c02533] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A novel methodology for the arylation of exo-glycals has been developed. A range of exo-glycals underwent reactions with aryl iodides in the presence of a palladium catalyst. The transformation proceeded in a stereoselective manner to afford Z-isomers. The developed transformation demonstrated excellent functional group tolerance.
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Affiliation(s)
- Jeffery Regier
- Faculty of Science, Ontario Tech University, 2000 Simcoe Street North, Oshawa, Ontario L1H 7K4, Canada
| | - Supriya Ghanty
- Faculty of Science, Ontario Tech University, 2000 Simcoe Street North, Oshawa, Ontario L1H 7K4, Canada
| | - Yuri Bolshan
- Faculty of Science, Ontario Tech University, 2000 Simcoe Street North, Oshawa, Ontario L1H 7K4, Canada
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48
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Xia L, Jin M, Jiao Y, Yu S. Synthesis of C-Alkynyl Glycosides by Photoredox-Catalyzed Reductive Coupling of Alkynyl Bromides with Glycosyl Bromides. Org Lett 2021; 24:364-368. [PMID: 34941274 DOI: 10.1021/acs.orglett.1c04041] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A general, convenient, and highly α stereoselective approach to access C-alkynyl glycosides via the photoredox-catalyzed reductive coupling of alkynyl bromides and glycoside bromides has been developed. Cheap and small-load eosin Y is used as the photocatalyst, and organic base N,N-diisopropylethylamine serves as the reducing reagent. This strategy features readily available starting materials, diverse substrates, mild conditions, and high α stereoselectivity. Moreover, a glycoconjugated peptide could also be achieved using this strategy.
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Affiliation(s)
- Liwen Xia
- State Key Laboratory of Analytical Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Maolu Jin
- State Key Laboratory of Analytical Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yi Jiao
- State Key Laboratory of Analytical Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Shouyun Yu
- State Key Laboratory of Analytical Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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49
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List B, Obradors C, Mitschke B, Aukland M, Leutzsch M, Grossmann O, Brunen S, Schwengers S. Direct and Catalytic C-Glycosylation of Arenes: Expeditious Synthesis of the Remdesivir Nucleoside. Angew Chem Int Ed Engl 2021; 61:e202114619. [PMID: 34856043 PMCID: PMC9305923 DOI: 10.1002/anie.202114619] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Indexed: 12/01/2022]
Abstract
Since early 2020, scientists have strived to find an effective solution to fight SARS‐CoV‐2, in particular by developing reliable vaccines that inhibit the spread of the disease and repurposing drugs for combatting its effects on the human body. The antiviral prodrug Remdesivir is still the most widely used therapeutic during the early stages of the infection. However, the current synthetic routes rely on the use of protecting groups, air‐sensitive reagents, and cryogenic conditions, thus impeding a cost‐efficient supply to patients. We have, therefore, focused on the development of a straightforward, direct addition of (hetero)arenes to unprotected sugars. Here we report a silylium‐catalyzed and completely stereoselective C‐glycosylation that initially yields the open‐chain polyols, which can be selectively cyclized to provide either the kinetic α‐furanose or the thermodynamically favored β‐anomer. The method significantly expedites the synthesis of Remdesivir precursor GS‐441524 after a subsequent Mn‐catalyzed C−H oxidation and deoxycyanation.
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Affiliation(s)
- Benjamin List
- Max-Planck-Institut für Kohlenforschung, Homogenous Catalysis, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, GERMANY
| | - Carla Obradors
- Max-Planck-Institut für Kohlenforschung, Homogeneous Catalysis, GERMANY
| | - Benjamin Mitschke
- Max-Planck-Institut für Kohlenforschung, Homogeneous Catalysis, GERMANY
| | - Miles Aukland
- Max-Planck-Institut für Kohlenforschung, Homogeneous Catalysis, GERMANY
| | - Markus Leutzsch
- Max Planck Institute of Coal Research: Max-Planck-Institut fur Kohlenforschung, Homogeneous Catalysis, GERMANY
| | - Oleg Grossmann
- Max Planck Institute of Coal Research: Max-Planck-Institut fur Kohlenforschung, Homogeneous Catalysis, GERMANY
| | - Sebastian Brunen
- Max Planck Institute of Coal Research: Max-Planck-Institut fur Kohlenforschung, Homogeneous Catalysis, GERMANY
| | - Sebastian Schwengers
- Max Planck Institute of Coal Research: Max-Planck-Institut fur Kohlenforschung, Homogeneous Catalysis, GERMANY
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50
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Zhou Y, Li N, Cai W, Huang Y. Asymmetric Sequential Corey-Chaykovsky Cyclopropanation/Cloke-Wilson Rearrangement for the Synthesis of 2,3-Dihydrofurans. Org Lett 2021; 23:8755-8760. [PMID: 34734727 DOI: 10.1021/acs.orglett.1c03225] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The first sequential Corey-Chaykovsky cyclopropanation/Cloke-Wilson rearrangement between propargyl sulfonium salts and acrylonitrile derivatives has been developed, affording the tetra-substituted 2,3-dihydrofurans in generally excellent yields (57-98%) with good diastereoselectivities (7:1-18:1). In addition, chiral propargyl sulfonium salt is also suitable for this strategy, giving the optically active 2,3-dihydrofurans with good enantioselectivities. This reaction sequence was designed upon in situ generated 10π-conjugated structures from the dearomatization of indole fragments and subsequent intramolecular 1,6-addition.
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Affiliation(s)
- Yiming Zhou
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Ning Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Wei Cai
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - You Huang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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