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Ojeda-Porras AC, Roy V, Agrofoglio LA. Chemical Approaches to Carbocyclic Nucleosides. CHEM REC 2022; 22:e202100307. [PMID: 35119191 DOI: 10.1002/tcr.202100307] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/22/2022] [Indexed: 02/02/2023]
Abstract
Nucleoside analogues are at the forefront of antiviral therapy for last decades. To circumvent some of their limitations, based on their metabolism, and in order to improve their anti-viral potency and selectivity, several families of nucleoside analogues have been described through structural modifications at the sugar and heterocycles. The replacement of the oxygen of the nucleoside by a methylene has led to the family of carbocyclic (or cyclopentane) nucleoside analogues. Various potent anti-HIV and anti-HBV drugs belong to this family. Main syntheses of carbocyclic analogues of nucleosides used Diels-Alder reactions (in racemic or asymmetric series), but also started from carbohydrates (ribose, glucose), as a source of optically active compounds, which then had to be transformed into carbacycles under various conditions. The growing interest in carbocyclic nucleosides has led several groups, including ours, to develop new analogues and to explore novel routes. This article will review some of the recent chemistry developed on selected five-membered ring carbocyclic nucleosides.
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Affiliation(s)
- Andrea C Ojeda-Porras
- ICOA, Univ. Orléans, CNRS UMR 7311, Université d'Orléans, Rue de Chartres, 45067, Orléans Cedex 2, France
| | - Vincent Roy
- ICOA, Univ. Orléans, CNRS UMR 7311, Université d'Orléans, Rue de Chartres, 45067, Orléans Cedex 2, France
| | - Luigi A Agrofoglio
- ICOA, Univ. Orléans, CNRS UMR 7311, Université d'Orléans, Rue de Chartres, 45067, Orléans Cedex 2, France
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Shin YS, Jarhad DB, Jang MH, Kovacikova K, Kim G, Yoon JS, Kim HR, Hyun YE, Tipnis AS, Chang TS, van Hemert MJ, Jeong LS. Identification of 6'-β-fluoro-homoaristeromycin as a potent inhibitor of chikungunya virus replication. Eur J Med Chem 2019; 187:111956. [PMID: 31841728 PMCID: PMC7115507 DOI: 10.1016/j.ejmech.2019.111956] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 12/06/2019] [Indexed: 11/27/2022]
Abstract
We have reported on aristeromycin (1) and 6′-fluorinated-aristeromycin analogues (2), which are active against RNA viruses such as Middle East respiratory syndrome coronavirus (MERS-CoV), severe acute respiratory syndrome coronavirus (SARS-CoV), Zika virus (ZIKV), and Chikungunya virus (CHIKV). However, these exhibit substantial cytotoxicity. As this cytotoxicity may be attributed to 5′-phosphorylation, we designed and synthesized one-carbon homologated 6′-fluorinated-aristeromycin analogues. This modification prevents 5′-phosphorlyation by cellular kinases, whereas the inhibitory activity towards S-adenosyl-l-homocysteine (SAH) hydrolase will be retained. The enantiomerically pure 6′-fluorinated-5′-homoaristeromycin analogues 3a-e were synthesized via the electrophilic fluorination of the silyl enol ether with Selectfluor, using a base-build up approach as the key steps. All synthesized compounds exhibited potent inhibitory activity towards SAH hydrolase, among which 6′-β-fluoroadenosine analogue 3a was the most potent (IC50 = 0.36 μM). Among the compounds tested, 6′-β-fluoro-homoaristeromycin 3a showed potent antiviral activity (EC50 = 0.12 μM) against the CHIKV, without noticeable cytotoxicity up to 250 μM. Only 3a displayed anti-CHIKV activity, whereas both3a and 3b inhibited SAH hydrolase with similar IC50 values (0.36 and 0.37 μM, respectively), which suggested that 3a’s antiviral activity did not merely depend on the inhibition of SAH hydrolase. This is further supported by the fact that the antiviral effect was specific for CHIKV and some other alphaviruses and none of the homologated analogues inhibited other RNA viruses, such as SARS-CoV, MERS-CoV, and ZIKV. The potent inhibition and high selectivity index make 6′-β-fluoro-homoaristeromycin (3a) a promising new template for the development of antivirals against CHIKV, a serious re-emerging pathogen that has infected millions of people over the past 15 years.
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Affiliation(s)
- Young Sup Shin
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Dnyandev B Jarhad
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Min Hwan Jang
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Kristina Kovacikova
- Department of Medical Microbiology, Leiden University Medical Center, Albinusdreef 2, 2333ZA, Leiden, the Netherlands
| | - Gyudong Kim
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Ji-Seong Yoon
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Hong-Rae Kim
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Young Eum Hyun
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Amol S Tipnis
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Tong-Shin Chang
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Martijn J van Hemert
- Department of Medical Microbiology, Leiden University Medical Center, Albinusdreef 2, 2333ZA, Leiden, the Netherlands
| | - Lak Shin Jeong
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, South Korea.
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Kim HR, Hyun YE, Jarhad DB, Yu J, Jeong LS. An alternative and efficient synthesis of MLN4924, a selective NEDD8 inhibitor. Org Chem Front 2019. [DOI: 10.1039/c9qo00507b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A highly efficient synthesis of MLN4924viaregioselective removal of α-alkoxy group and stereoselective reduction of ketone is described.
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Affiliation(s)
- Hong-Rae Kim
- Research Institute of Pharmaceutical Sciences
- College of Pharmacy
- Seoul National University
- Seoul 08826
- Korea
| | - Young Eum Hyun
- 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
| | - Jinha Yu
- 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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