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Jiang L, Tang A, Song L, Tong Y, Fan H. Advances in the development of antivirals for rotavirus infection. Front Immunol 2023; 14:1041149. [PMID: 37006293 PMCID: PMC10063883 DOI: 10.3389/fimmu.2023.1041149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 02/28/2023] [Indexed: 03/19/2023] Open
Abstract
Rotavirus (RV) causes 200,000 deaths per year and imposes a serious burden to public health and livestock farming worldwide. Currently, rehydration (oral and intravenous) remains the main strategy for the treatment of rotavirus gastroenteritis (RVGE), and no specific drugs are available. This review discusses the viral replication cycle in detail and outlines possible therapeutic approaches including immunotherapy, probiotic-assisted therapy, anti-enteric secretory drugs, Chinese medicine, and natural compounds. We present the latest advances in the field of rotavirus antivirals and highlights the potential use of Chinese medicine and natural compounds as therapeutic agents. This review provides an important reference for rotavirus prevention and treatment.
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Affiliation(s)
| | | | - Lihua Song
- *Correspondence: Huahao Fan, ; Yigang Tong, ; Lihua Song,
| | - Yigang Tong
- *Correspondence: Huahao Fan, ; Yigang Tong, ; Lihua Song,
| | - Huahao Fan
- *Correspondence: Huahao Fan, ; Yigang Tong, ; Lihua Song,
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Stereoselective facile synthesis of 2′-spiro pyrimidine pyranonucleosides via their key intermediate 2′-C-cyano analogues. Evaluation of their bioactivity. Carbohydr Res 2014; 383:50-7. [DOI: 10.1016/j.carres.2013.11.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 10/31/2013] [Accepted: 11/03/2013] [Indexed: 11/23/2022]
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3
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Agelis G, Resvani A, Koukoulitsa C, Tůmová T, Slaninová J, Kalavrizioti D, Spyridaki K, Afantitis A, Melagraki G, Siafaka A, Gkini E, Megariotis G, Grdadolnik SG, Papadopoulos MG, Vlahakos D, Maragoudakis M, Liapakis G, Mavromoustakos T, Matsoukas J. Rational design, efficient syntheses and biological evaluation of N,N'-symmetrically bis-substituted butylimidazole analogs as a new class of potent Angiotensin II receptor blockers. Eur J Med Chem 2013; 62:352-70. [PMID: 23376252 DOI: 10.1016/j.ejmech.2012.12.044] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Revised: 12/25/2012] [Accepted: 12/26/2012] [Indexed: 10/27/2022]
Abstract
A series of symmetrically bis-substituted imidazole analogs bearing at the N-1 and N-3 two biphenyl moieties ortho substituted either with tetrazole or carboxylate functional groups was designed based on docking studies and utilizing for the first time an extra hydrophobic binding cleft of AT1 receptor. The synthesized analogs were evaluated for their in vitro antagonistic activities (pA2 values) and binding affinities (-logIC50 values) to the Angiotensin II AT1 receptor. Among them, the potassium (-logIC50 = 9.04) and the sodium (-logIC50 = 8.54) salts of 4-butyl-N,N'-bis{[2'-(2H-tetrazol-5-yl)biphenyl-4-yl]methyl}imidazolium bromide (12a and 12b, respectively) as well as its free acid 11 (-logIC50 = 9.46) and the 4-butyl-2-hydroxymethyl-N,N'-bis{[2'-(2H-tetrazol-5-yl)biphenyl-4-yl]methyl}imidazolium bromide (14) (-logIC50 = 8.37, pA2 = 8.58) showed high binding affinity to the AT1 receptor and high antagonistic activity (potency). The potency was similar or even superior to that of Losartan (-logIC50 = 8.25, pA2 = 8.25). On the contrary, 2-butyl-N,N'-bis{[2'-[2H-tetrazol-5-yl)]biphenyl-4-yl]methyl}imidazolium bromide (27) (-logIC50 = 5.77) and 2-butyl-4-chloro-5-hydroxymethyl-N,N'-bis{[2'-[2H-tetrazol-5-yl)]biphenyl-4-yl]methyl}imidazolium bromide (30) (-logIC50 = 6.38) displayed very low binding affinity indicating that the orientation of the n-butyl group is of primary importance. Docking studies of the representative highly active 12b clearly showed that this molecule has an extra hydrophobic binding feature compared to prototype drug Losartan and it fits to the extra hydrophobic cavity. These results may contribute to the discovery and development of a new class of biologically active molecules through bis-alkylation of the imidazole ring by a convenient and cost effective synthetic strategy.
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Affiliation(s)
- George Agelis
- Department of Chemistry, University of Patras, 26500 Patras, Greece.
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Manta S, Parmenopoulou V, Kiritsis C, Dimopoulou A, Kollatos N, Papasotiriou I, Balzarini J, Komiotis D. Stereocontrolled facile synthesis and biological evaluation of (3'S) and (3'R)-3'-amino (and Azido)-3'-deoxy pyranonucleosides. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2012; 31:522-35. [PMID: 22849646 DOI: 10.1080/15257770.2012.696759] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This article describes the synthesis of (3 'S) and (3 'R)-3 '-amino-3 '-deoxy pyranonucleosides and their precursors (3 'S) and (3 'R)-3 '-azido-3 '-deoxy pyranonucleosides. Azidation of 1,2:5,6-di-O-isopropylidene-3-O-toluenesulfonyl-α-D-allofuranose followed by hydrolysis and subsequent acetylation afforded 3-azido-3-deoxy-1,2,4,6-tetra-O-acetyl-D-glucopyranose, which upon coupling with the proper silylated bases, deacetylation, and catalytic hydrogenation, obtained the target 3 '-amino-3 '-deoxy-β-D-glucopyranonucleosides. The desired 1-(3 '-amino-3 '-deoxy-β-D-allopyranosyl)5-fluorouracil was readily prepared from the suitable imidazylate sugar after azidation followed by a protection/deprotection sequence and reduction of the unprotected azido precursor. No antiviral activity was observed for the novel nucleosides. Moderate cytostatic activity was recorded for the 5-fluorouracil derivatives.
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Affiliation(s)
- Stella Manta
- Laboratory of Bio-Organic Chemistry Department of Biochemistry and Biotechnology, University of Thessaly, Larissa, Greece
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Kiritsis C, Manta S, Parmenopoulou V, Dimopoulou A, Kollatos N, Papasotiriou I, Balzarini J, Komiotis D. Stereocontrolled synthesis of 4′-C-cyano and 4′-C-cyano-4′-deoxy pyrimidine pyranonucleosides as potential chemotherapeutic agents. Carbohydr Res 2012; 364:8-14. [DOI: 10.1016/j.carres.2012.10.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Revised: 10/15/2012] [Accepted: 10/16/2012] [Indexed: 12/12/2022]
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6
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Balatsos N, Vlachakis D, Chatzigeorgiou V, Manta S, Komiotis D, Vlassi M, Stathopoulos C. Kinetic and in silico analysis of the slow-binding inhibition of human poly(A)-specific ribonuclease (PARN) by novel nucleoside analogues. Biochimie 2012; 94:214-21. [DOI: 10.1016/j.biochi.2011.10.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2011] [Accepted: 10/17/2011] [Indexed: 11/16/2022]
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Mazimba O, Majinda RR, Modibedi C, Masesane IB, Cencič A, Chingwaru W. Tylosema esculentum extractives and their bioactivity. Bioorg Med Chem 2011; 19:5225-30. [DOI: 10.1016/j.bmc.2011.07.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Revised: 06/29/2011] [Accepted: 07/04/2011] [Indexed: 11/16/2022]
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Synthesis and biological evaluation of unsaturated keto and exomethylene d-arabinopyranonucleoside analogs: Novel 5-fluorouracil analogs that target thymidylate synthase. Eur J Med Chem 2011; 46:993-1005. [DOI: 10.1016/j.ejmech.2011.01.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2010] [Revised: 10/06/2010] [Accepted: 01/06/2011] [Indexed: 11/18/2022]
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Tylosema esculentum (Marama) Tuber and Bean Extracts Are Strong Antiviral Agents against Rotavirus Infection. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2011; 2011:284795. [PMID: 21423688 PMCID: PMC3057194 DOI: 10.1155/2011/284795] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2010] [Revised: 12/01/2010] [Accepted: 01/09/2011] [Indexed: 12/24/2022]
Abstract
Tylosema esculentum (marama) beans and tubers are used as food, and traditional medicine against diarrhoea in Southern Africa. Rotaviruses (RVs) are a major cause of diarrhoea among infants, young children, immunocompromised people, and domesticated animals. Our work is first to determine anti-RV activity of marama bean and tuber ethanol and water extracts; in this case on intestinal enterocyte cells of human infant (H4), adult pig (CLAB) and adult bovine (CIEB) origin. Marama cotyledon ethanolic extract (MCE) and cotyledon water extract (MCW) without RV were not cytotoxic to all cells tested, while seed coat and tuber extracts showed variable levels of cytotoxicity. Marama cotyledon ethanolic and water extracts (MCE and MCW, resp.) (≥0.1 mg/mL), seed coat extract (MSCE) and seed coat water extract (MSCW) (0.01 to 0.001 mg/mL), especially ethanolic, significantly increased cell survival and enhanced survival to cytopathic effects of RV by at least 100% after in vitro co- and pre-incubation treatments. All marama extracts used significantly enhanced nitric oxide release from H4 cells and enhanced TER (Ω/cm2) of enterocyte barriers after coincubation with RV. Marama cotyledon and seed coat extracts inhibited virion infectivity possibly through interference with replication due to accumulation of nitric oxide. Marama extracts are therefore promising microbicides against RV.
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Efficient synthesis of exomethylene- and keto-exomethylene-d-glucopyranosyl nucleoside analogs as potential cytotoxic agents. Carbohydr Res 2011; 346:328-33. [DOI: 10.1016/j.carres.2010.10.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2010] [Accepted: 10/26/2010] [Indexed: 01/12/2023]
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11
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Tsoukala E, Tzioumaki N, Manta S, Riga A, Balzarini J, Komiotis D. Synthesis of 3-fluoro-6-S-(2-S-pyridyl) nucleosides as potential lead cytostatic agents. Bioorg Chem 2010; 38:285-93. [PMID: 20817215 PMCID: PMC7112006 DOI: 10.1016/j.bioorg.2010.08.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Revised: 08/09/2010] [Accepted: 08/12/2010] [Indexed: 11/27/2022]
Abstract
The 3-deoxy-3-fluoro-6-S-(2-S-pyridyl)-6-thio-β-d-glucopyranosyl nucleoside analogs 7 were prepared via two facile synthetic routes. Their precursors, 3-fluoro-6-thio-glucopyranosyl nucleosides 5a-e, were obtained by the sequence of deacetylation of 3-deoxy-3-fluoro-β-d-glucopyranosyl nucleosides 2a-e, selective tosylation of the primary OH of 3 and finally treatment with potassium thioacetate. The desired thiolpyridine protected analogs 7a-c,f,g were obtained by the sequence of deacetylation of 5a-c followed by thiopyridinylation and/or condensation of the corresponding heterocyclic bases with the newly synthesized peracetylated 6-S-(2-S-pyridyl) sugar precursor 13, which was obtained via a novel synthetic route from glycosyl donor 12. None of the compounds 6 and 7 showed antiviral activity, but the 5-fluorouracil derivative 7c and particularly the uracil derivative 7b were endowed with an interesting and selective cytostatic action against a variety of murine and human tumor cell cultures.
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Affiliation(s)
- Evangelia Tsoukala
- Department of Biochemistry and Biotechnology, University of Thessaly, Greece
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12
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Synthesis of 4,6-dideoxy-3-fluoro-2-keto-β-d-glucopyranosyl analogues of 5-fluorouracil, N6-benzoyl adenine, uracil, thymine, N4-benzoyl cytosine and evaluation of their antitumor activities. Bioorg Chem 2010; 38:48-55. [DOI: 10.1016/j.bioorg.2009.11.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2009] [Revised: 11/09/2009] [Accepted: 11/11/2009] [Indexed: 11/23/2022]
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Manta S, Tsoukala E, Tzioumaki N, Goropevšek A, Pamulapati RT, Cencič A, Balzarini J, Komiotis D. Dideoxy fluoro-ketopyranosyl nucleosides as potent antiviral agents: synthesis and biological evaluation of 2,3- and 3,4-dideoxy-3-fluoro-4- and -2-keto-beta-d-glucopyranosyl derivatives of N(4)-benzoyl cytosine. Eur J Med Chem 2009; 44:2696-704. [PMID: 19246130 PMCID: PMC7126854 DOI: 10.1016/j.ejmech.2009.01.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2008] [Revised: 01/16/2009] [Accepted: 01/20/2009] [Indexed: 12/15/2022]
Abstract
The synthesis of the dideoxy fluoro ketopyranonucleoside analogues, 1-(2,3-dideoxy-3-fluoro-6-O-trityl-beta-d-glycero-hexopyranosyl-4-ulose)-N(4)-benzoyl cytosine (7a), 1-(3,4-dideoxy-3-fluoro-6-O-trityl-beta-d-glycero-hexopyranosyl-2-ulose)-N(4)-benzoyl cytosine (13a) and their detritylated analogues 8a and 14a, respectively, is described. Condensation of peracetylated 3-deoxy-3-fluoro-D-glucopyranose (1) with silylated N(4)-benzoyl cytosine, followed by selective deprotection and isopropylidenation afforded compound 2. Routine deoxygenation at position 2', followed by a deprotection-selective reprotection sequence afforded the partially tritylated dideoxy nucleoside of cytosine 6, which upon oxidation of the free hydroxyl group at the 4'-position, furnished the desired tritylated 2,3-dideoxy-3-fluoro ketonucleoside 7a in equilibrium with its hydrated form 7b. Compound 2 was the starting material for the synthesis of the dideoxy fluoro ketopyranonucleoside 13a. Similarly, several subsequent protection and deprotection steps as well as routine deoxygenation at position 4', followed by oxidation of the free hydroxyl group at the 2'-position of the partially tritylated dideoxy nucleoside 12, yielded the desired carbonyl compound 13a in equilibrium with its hydrated form 13b. Finally, trityl removal from 7a/b and 13a/b provided the unprotected 2,3-dideoxy-3-fluoro-4-keto and 3,4-dideoxy-3-fluoro-2-ketopyranonucleoside analogues 8a and 14a, in equilibrium with their gem-diol forms 8b and 14b. None of the compounds showed inhibitory activity against a wide variety of DNA and RNA viruses at subtoxic concentrations, except 7a/b that was highly efficient against rotavirus infection. Nucleoside 7a/b also exhibited cytostatic activity against cells of various cancers. BrdU-cell cycle analysis revealed that the mechanism of cytostatic activity may be related to a delay in G1/S phase and initiation of programmed cell death.
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Affiliation(s)
- Stella Manta
- Department of Biochemistry and Biotechnology, Laboratory of Organic Chemistry, University of Thessaly, 26 Ploutonos Str., 41221 Larissa, Greece
| | - Evangelia Tsoukala
- Department of Biochemistry and Biotechnology, Laboratory of Organic Chemistry, University of Thessaly, 26 Ploutonos Str., 41221 Larissa, Greece
| | - Niki Tzioumaki
- Department of Biochemistry and Biotechnology, Laboratory of Organic Chemistry, University of Thessaly, 26 Ploutonos Str., 41221 Larissa, Greece
| | - Aleš Goropevšek
- Department of Biochemistry, Medical Faculty, University of Maribor, Slovenia
| | - Ravi Teja Pamulapati
- Department of Microbiology, Biochemistry and Biotechnology, Faculty of Agriculture, University of Maribor, Vrbanska c.30, 2000 Maribor, Slovenia
| | - Avrelija Cencič
- Department of Microbiology, Biochemistry and Biotechnology, Faculty of Agriculture, University of Maribor, Vrbanska c.30, 2000 Maribor, Slovenia
- Department of Biochemistry, Medical Faculty, University of Maribor, Slovenia
| | - Jan Balzarini
- Rega Institute for Medical Research, Katholieke Universtiteit Leuven, 3000 Leuven, Belgium
| | - Dimitri Komiotis
- Department of Biochemistry and Biotechnology, Laboratory of Organic Chemistry, University of Thessaly, 26 Ploutonos Str., 41221 Larissa, Greece
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Tzioumaki N, Tsoukala E, Manta S, Agelis G, Balzarini J, Komiotis D. Synthesis, Antiviral and Cytostatic Evaluation of Unsaturated Exomethylene and Keto D‐Lyxopyranonucleoside Analogues. Arch Pharm (Weinheim) 2009; 342:353-60. [DOI: 10.1002/ardp.200900004] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Song Y, Zhang L, Shi D, Xie J, Zhao G. Theoretical study on the geometry and vibration of 1-[6-(4-Chlorophenyl)-1-[(6-chloropyridin-3-yl)methyl]-2-[(6-chloropyridin-3-yl)methylsulfanyl]-4-methyl-1,6-dihydropyrimidin-5-yl]ethanone. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2008; 70:943-952. [PMID: 18343716 DOI: 10.1016/j.saa.2008.01.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2007] [Revised: 01/15/2008] [Accepted: 01/22/2008] [Indexed: 05/26/2023]
Abstract
The solid phase FT-IR and FT-Raman spectra of 1-[6-(4-chlorophenyl)-1-[(6-chloropyridin-3-yl)methyl]-2-[(6-chloropyridin-3-yl)methylsulfanyl]-4-methyl-1,6-dihydropyrimidin-5-yl]ethanone (C25H21Cl3N4OS) were recorded in the region 4000-400 and 3500-100cm(-1), respectively. The vibrational spectra have been computed using density functional theory (B3LYP) and ab initio molecular orbital calculation (HF) with 6-31G(d, p) basis sets. A close agreement was achieved between the observed and calculated frequency by employing normal coordinate calculations. The observed and simulated spectra were found to be well comparable.
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Affiliation(s)
- Yuanzhi Song
- Key Laboratory for Chemistry of Low-Dimensional Materials, Jiangsu Province, Chemistry Department, Huaiyin Teachers College, Huaian 223300, People's Republic of China.
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Synthesis and molecular modelling of unsaturated exomethylene pyranonucleoside analogues with antitumor and antiviral activities. Eur J Med Chem 2008; 43:1366-75. [DOI: 10.1016/j.ejmech.2007.10.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2007] [Accepted: 10/12/2007] [Indexed: 11/17/2022]
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17
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Kashyap S, Rao Vidadala S, Hotha S. Synthesis of C-2 methylene glycosides from C-2 propargyloxymethyl glycals exploiting the alkynophilicity of AuCl3. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.10.144] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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