1
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Eltayeb S, Marzabadi CH. Synthesis of pyranobenzopyrans from D-glucal using ionic liquids. Carbohydr Res 2023; 531:108873. [PMID: 37421875 DOI: 10.1016/j.carres.2023.108873] [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: 03/31/2023] [Revised: 05/31/2023] [Accepted: 06/12/2023] [Indexed: 07/10/2023]
Abstract
Imidazolium room temperature ionic liquids (RTILs) were used as solvents in the Lewis acid-catalyzed cycloaddition reactions of D-glucal with substituted salicylaldehydes. These reactions selectively led to various, novel, cis-pyrano [4,3-b]benzopyrans in modest yields, different products than those isolated from analogous solution studies. Furan diol was isolated as the major byproduct from all the reactions. The use of RTILs facilitated the use of unprotected sugars in these reactions.
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Affiliation(s)
- Sumiea Eltayeb
- Department of Chemistry & Biochemistry, Seton Hall University, 400 South Orange Ave, South Orange, NJ, 07079, USA
| | - Cecilia H Marzabadi
- Department of Chemistry & Biochemistry, Seton Hall University, 400 South Orange Ave, South Orange, NJ, 07079, USA.
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2
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Convenient synthesis of long alkyl-chain triazolylglycosides using ionic liquid as dual promoter-solvent: Readily access to non-ionic triazolylglycoside surfactants for evaluation of cytotoxic activity. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153325] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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3
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Wei J, Lu DH, Ma YY, Yi AL, Dong HX, Fang DW. Effect of temperature on the minimum excess molar volume and the molar surface Gibbs energy of the binary of the ether-functionalized ionic liquids [C22O1IM][SCN] with monohydric alcohols at T = (288.15–318.15) K. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112856] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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4
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Zhang T, Li X, Song H, Yao S. Ionic liquid-assisted catalysis for glycosidation of two triterpenoid sapogenins. NEW J CHEM 2019. [DOI: 10.1039/c9nj04271g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In order to study the universality of ionic liquids-assisted glycosidation and explore their catalytic behaviors together with potential, oleanolic acid and ursolic acid were selected to establish catalytic system as typical triterpene sapogenins.
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Affiliation(s)
- Tenghe Zhang
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| | - Xinlu Li
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| | - Hang Song
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| | - Shun Yao
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
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5
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Adero PO, Amarasekara H, Wen P, Bohé L, Crich D. The Experimental Evidence in Support of Glycosylation Mechanisms at the S N1-S N2 Interface. Chem Rev 2018; 118:8242-8284. [PMID: 29846062 PMCID: PMC6135681 DOI: 10.1021/acs.chemrev.8b00083] [Citation(s) in RCA: 218] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A critical review of the state-of-the-art evidence in support of the mechanisms of glycosylation reactions is provided. Factors affecting the stability of putative oxocarbenium ions as intermediates at the SN1 end of the mechanistic continuum are first surveyed before the evidence, spectroscopic and indirect, for the existence of such species on the time scale of glycosylation reactions is presented. Current models for diastereoselectivity in nucleophilic attack on oxocarbenium ions are then described. Evidence in support of the intermediacy of activated covalent glycosyl donors is reviewed, before the influences of the structure of the nucleophile, of the solvent, of temperature, and of donor-acceptor hydrogen bonding on the mechanism of glycosylation reactions are surveyed. Studies on the kinetics of glycosylation reactions and the use of kinetic isotope effects for the determination of transition-state structure are presented, before computational models are finally surveyed. The review concludes with a critical appraisal of the state of the art.
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Affiliation(s)
- Philip Ouma Adero
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
| | - Harsha Amarasekara
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
| | - Peng Wen
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
| | - Luis Bohé
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 , Université Paris-Sud Université Paris-Saclay , 1 avenue de la Terrasse , 91198 Gif-sur-Yvette , France
| | - David Crich
- Department of Chemistry , Wayne State University , 5101 Cass Avenue , Detroit , Michigan 48202 , United States
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6
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Affiliation(s)
- Michael Martin Nielsen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark
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7
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Jiang J, Xiao Y, Huang W, Gong P, Peng S, He J, Fan M, Wang K. An insight into the influence of hydrogen bond acceptors on cellulose/1-allyl-3-methyl imidazolium chloride solution. Carbohydr Polym 2017; 178:295-301. [DOI: 10.1016/j.carbpol.2017.08.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 07/29/2017] [Accepted: 08/01/2017] [Indexed: 11/15/2022]
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8
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Di Bussolo V, Frau I, Favero L, Bordoni V, Crotti S, Uccello Barretta G, Balzano F, Crotti P. Carba- d , l -allal- and - d , l -galactal-derived vinyl N -nosyl aziridines as useful tools for the synthesis of 4-deoxy-4-( N -nosylamino)-2,3-unsaturated-5 a -carbasugars. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.09.031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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9
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Ramanathan N, Pandurangan G, Kilivelu G. Silica Supported and Conventional Approaches for the Synthesis of Carbonyl Diimidazole Type of Ionic Liquids and Its Catalytic Activities. J Heterocycl Chem 2015. [DOI: 10.1002/jhet.2538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Naveenkumar Ramanathan
- PG & Research Department of Chemistry; Presidency College (Autonomous); Chennai 600 005 India
| | - Ganapathi Pandurangan
- PG & Research Department of Chemistry; Presidency College (Autonomous); Chennai 600 005 India
| | - Ganesan Kilivelu
- PG & Research Department of Chemistry; Presidency College (Autonomous); Chennai 600 005 India
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10
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Nigudkar SS, Demchenko AV. Stereocontrolled 1,2- cis glycosylation as the driving force of progress in synthetic carbohydrate chemistry. Chem Sci 2015; 6:2687-2704. [PMID: 26078847 PMCID: PMC4465199 DOI: 10.1039/c5sc00280j] [Citation(s) in RCA: 317] [Impact Index Per Article: 35.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2015] [Accepted: 03/05/2015] [Indexed: 01/21/2023] Open
Abstract
Recent developments in stereoselective 1,2-cis glycosylation that have emerged during the past decade are surveyed herein. Recent developments in stereoselective 1,2-cis glycosylation that have emerged during the past decade are surveyed herein. For detailed coverage of the previous achievements in the field the reader is referred to our earlier reviews: A. V. Demchenko, Curr. Org. Chem. , 2003, 7 , 35–79 and Synlett , 2003, 1225–1240.
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Affiliation(s)
- Swati S. Nigudkar
- Department of Chemistry and Biochemistry , University of Missouri – St. Louis , One University Blvd , St. Louis , MO 63121 , USA .
| | - Alexei V. Demchenko
- Department of Chemistry and Biochemistry , University of Missouri – St. Louis , One University Blvd , St. Louis , MO 63121 , USA .
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11
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Bresien J, Ellinger S, Harloff J, Schulz A, Sievert K, Stoffers A, Täschler C, Villinger A, Zur Täschler C. Tetracyanido(difluorido)phosphate M+[PF2(CN)4]−. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201412209] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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12
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Bresien J, Ellinger S, Harloff J, Schulz A, Sievert K, Stoffers A, Täschler C, Villinger A, Zur Täschler C. Tetracyanido(difluorido)phosphates M+[PF2(CN)4]−. Angew Chem Int Ed Engl 2015; 54:4474-7. [DOI: 10.1002/anie.201412209] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Indexed: 11/10/2022]
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13
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Cui Y, Xu M, Yao W, Mao J. Room-temperature ionic liquids enhanced green synthesis of β-glycosyl 1-ester. Carbohydr Res 2015; 407:51-4. [PMID: 25704198 DOI: 10.1016/j.carres.2015.01.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 01/17/2015] [Accepted: 01/21/2015] [Indexed: 11/18/2022]
Abstract
We herein report an efficient synthesis of β-glycosyl 1-ester in room-temperature ionic liquids (RTILs) promoted via silver salt and quaternary ammonium salt (PTC) with good or excellent yields. All products were isolated exclusively as the β-anomers. Four different RTILs, eight metal salts and four quaternary ammonium salts were screened in the glycosylation reaction. The synergistic effect of C6mim·OTf, Ag2O and tetrabutylammonium iodine gave the best results. Their promotion to the system was integral. Thorough study provided insight into the catalytic activity of ionic liquid structure, metal salts and quaternary ammonium salt to these reactions. It is worth mentioning that the yield of aliphatic compound 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl butyrate (3l) was highly improved when using C6mim·OTf as solvent compared with the normal volatile solvents under the same catalysts. This green approach has been proved to be practical and compatible with a wide range from aliphatic to aromatic substrates.
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Affiliation(s)
- Yanli Cui
- Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China.
| | - Minghan Xu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China
| | - Weirong Yao
- Carbohydrate Chemistry and Biotechnology Jiangnan University Key Laboratory of Ministry of Education, Wuxi 214122, PR China
| | - Jianwei Mao
- Zhejiang Provincial Key Lab for Chem. & Bio. Processing Technology of Farm Produces, Hangzhou 310023, PR China
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14
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Harloff J, Karsch M, Schulz A, Villinger A. Nitrile‐Rich Borate Anions – Application in Ionic Liquids. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201301320] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jörg Harloff
- Institut für Chemie, Universität Rostock, 18059 Rostock, Albert‐Einstein‐Str. 3a, Germany
| | - Markus Karsch
- Institut für Chemie, Universität Rostock, 18059 Rostock, Albert‐Einstein‐Str. 3a, Germany
| | - Axel Schulz
- Institut für Chemie, Universität Rostock, 18059 Rostock, Albert‐Einstein‐Str. 3a, Germany
- Leibniz‐Institut für Katalyse e.V., 18059 Rostock, Albert‐Einstein‐Str. 29a, Germany
| | - Alexander Villinger
- Institut für Chemie, Universität Rostock, 18059 Rostock, Albert‐Einstein‐Str. 3a, Germany
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15
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Glycosylation mediated—BAIL in aqueous solution. Carbohydr Res 2013; 381:12-8. [DOI: 10.1016/j.carres.2013.08.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Revised: 07/25/2013] [Accepted: 08/14/2013] [Indexed: 11/18/2022]
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16
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Harloff J, Karsch M, Lund H, Schulz A, Villinger A. Tetrakis(2-cyanoethoxy)borate - An Alternative to Tetracyanidoborate-Based Ionic Liquids. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300228] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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17
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Galan MC, Jones RA, Tran AT. Recent developments of ionic liquids in oligosaccharide synthesis: the sweet side of ionic liquids. Carbohydr Res 2013; 375:35-46. [DOI: 10.1016/j.carres.2013.04.011] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Revised: 04/09/2013] [Accepted: 04/10/2013] [Indexed: 11/29/2022]
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18
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Schmeisser M, Illner P, Puchta R, Zahl A, van Eldik R. Gutmann Donor and Acceptor Numbers for Ionic Liquids. Chemistry 2012; 18:10969-82. [DOI: 10.1002/chem.201200584] [Citation(s) in RCA: 143] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Indexed: 11/06/2022]
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19
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Tang S, Baker GA, Zhao H. Ether- and alcohol-functionalized task-specific ionic liquids: attractive properties and applications. Chem Soc Rev 2012; 41:4030-66. [PMID: 22456483 PMCID: PMC3341508 DOI: 10.1039/c2cs15362a] [Citation(s) in RCA: 347] [Impact Index Per Article: 28.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In recent years, the designer nature of ionic liquids (ILs) has driven their exploration and exploitation in countless fields among the physical and chemical sciences. A fair measure of the tremendous attention placed on these fluids has been attributed to their inherent designer nature. And yet, there are relatively few examples of reviews that emphasize this vital aspect in an exhaustive or meaningful way. In this critical review, we systematically survey the physicochemical properties of the collective library of ether- and alcohol-functionalized ILs, highlighting the impact of ionic structure on features such as viscosity, phase behavior/transitions, density, thermostability, electrochemical properties, and polarity (e.g. hydrophilicity, hydrogen bonding capability). In the latter portions of this review, we emphasize the attractive applications of these functionalized ILs across a range of disciplines, including their use as electrolytes or functional fluids for electrochemistry, extractions, biphasic systems, gas separations, carbon capture, carbohydrate dissolution (particularly, the (ligno)celluloses), polymer chemistry, antimicrobial and antielectrostatic agents, organic synthesis, biomolecular stabilization and activation, and nanoscience. Finally, this review discusses anion-functionalized ILs, including sulfur- and oxygen-functionalized analogs, as well as choline-based deep eutectic solvents (DESs), an emerging class of fluids which can be sensibly categorized as semi-molecular cousins to the IL. Finally, the toxicity and biodegradability of ether- and alcohol-functionalized ILs are discussed and cautiously evaluated in light of recent reports. By carefully summarizing literature examples on the properties and applications of oxy-functional designer ILs up till now, it is our intent that this review offers a barometer for gauging future advances in the field as well as a trigger to spur further contemplation of these seemingly inexhaustible and--relative to their potential--virtually untouched fluids. It is abundantly clear that these remarkable fluidic materials are here to stay, just as certain design rules are slowly beginning to emerge. However, in fairness, serendipity also still plays an undeniable role, highlighting the need for both expanded in silico studies and a beacon to attract bright, young researchers to the field (406 references).
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Affiliation(s)
- Shaokun Tang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, China
| | - Gary A. Baker
- Department of Chemistry, University of Missouri-Columbia, Columbia, MO 65211, USA
| | - Hua Zhao
- Chemistry Program, Savannah State University, Savannah, GA 31404, USA
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20
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Hinou H, Saito N, Maeda T, Matsuda M, Kamiya Y, Nishimura SI. Toward Green and Sustainable Chemical Glycosylation: Enhanced Lewis Acidity of Recyclable Solid Super Acid Catalyst, SO4/ZrO2 by CaCl2 Doping. J Carbohydr Chem 2011. [DOI: 10.1080/07328303.2011.610545] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Hiroshi Hinou
- a Field of Drug Discovery Research, Faculty of Advanced Life Science and Graduate School of Life Science , Hokkaido University , N21, W11, Kita-ku, Sapporo , 001-0021 , Japan
- b Medicinal Chemistry Pharmaceuticals , LLC, 1-715, N7, W4, Kita-ku, Sapporo , 060-0807 , Japan
| | - Naohiro Saito
- a Field of Drug Discovery Research, Faculty of Advanced Life Science and Graduate School of Life Science , Hokkaido University , N21, W11, Kita-ku, Sapporo , 001-0021 , Japan
| | - Takahiro Maeda
- a Field of Drug Discovery Research, Faculty of Advanced Life Science and Graduate School of Life Science , Hokkaido University , N21, W11, Kita-ku, Sapporo , 001-0021 , Japan
| | - Masao Matsuda
- a Field of Drug Discovery Research, Faculty of Advanced Life Science and Graduate School of Life Science , Hokkaido University , N21, W11, Kita-ku, Sapporo , 001-0021 , Japan
| | - Yuichi Kamiya
- c Division of Environmental Materials Science, Graduate School of Environmental Science , Hokkaido University , N10, W5, Kita-ku, Sapporo , 060-0810 , Japan
| | - Shin-Ichiro Nishimura
- a Field of Drug Discovery Research, Faculty of Advanced Life Science and Graduate School of Life Science , Hokkaido University , N21, W11, Kita-ku, Sapporo , 001-0021 , Japan
- b Medicinal Chemistry Pharmaceuticals , LLC, 1-715, N7, W4, Kita-ku, Sapporo , 060-0807 , Japan
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Talisman IJ, Kumar V, Razzaghy J, Malhotra SV. O-Glycosidation reactions promoted by in situ generated silver N-heterocyclic carbenes in ionic liquids. Carbohydr Res 2011; 346:883-90. [DOI: 10.1016/j.carres.2011.03.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2010] [Revised: 02/23/2011] [Accepted: 03/03/2011] [Indexed: 10/18/2022]
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22
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A novel glycosylation of inactive glycosyl donors using an ionic liquid containing a protic acid under reduced pressure conditions. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.09.108] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Pépin M, Hubert-Roux M, Martin C, Guillen F, Lange C, Gouhier G. First Examples of α-(1→4)-Glycosylation Reactions on Ionic Liquid Supports. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000754] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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24
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Kumar V, Talisman IJ, Malhotra SV. Application of Halide Molten Salts as Novel Reaction Media for O-Glycosidic Bond Formation. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000188] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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25
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Highly chemo- and stereoselective glycosidation of permethacrylated O-glycosyl trichloroacetimidate reagents promoted by TMSNTf2. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.02.068] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Microwave effect for glycosylation promoted by solid super acid in supercritical carbon dioxide. Int J Mol Sci 2009; 10:5285-5295. [PMID: 20054471 PMCID: PMC2801995 DOI: 10.3390/ijms10125285] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2009] [Revised: 11/09/2009] [Accepted: 12/05/2009] [Indexed: 11/29/2022] Open
Abstract
The effects of microwave irradiation (2.45 GHz, 200 W) on glycosylation promoted by a solid super acid in supercritical carbon dioxide was investigated with particular attention paid to the structure of the acceptor substrate. Because of the symmetrical structure and high diffusive property of supercritical carbon dioxide, microwave irradiation did not alter the temperature of the reaction solution, but enhanced reaction yield when aliphatic acceptors are employed. Interestingly, the use of a phenolic acceptor under the same reaction conditions did not show these promoting effects due to microwave irradiation. In the case of aliphatic diol acceptors, the yield seemed to be dependent on the symmetrical properties of the acceptors. The results suggest that microwave irradiation do not affect the reactivity of the donor nor promoter independently. We conclude that the effect of acceptor structure on glycosylation yield is due to electric delocalization of hydroxyl group and dielectrically symmetric structure of whole molecule.
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D'Anna F, Ferrante F, Noto R. Geminal Ionic Liquids: A Combined Approach to Investigate Their Three-Dimensional Organisation. Chemistry 2009; 15:13059-68. [DOI: 10.1002/chem.200901788] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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28
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D'Anna F, Frenna V, Marullo S, Noto R, Spinelli D. Mononuclear rearrangement of heterocycles in ionic liquids catalyzed by copper(II) salts. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.09.055] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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29
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Combination of ionic liquid [bmim]PF6 with boron trifluoride etherate as an efficient catalytic system for the glycosylation of α-tocopherol and naphthotocopherol. Russ Chem Bull 2008. [DOI: 10.1007/s11172-007-0396-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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30
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Carlisle TK, Bara JE, Gabriel CJ, Noble RD, Gin DL. Interpretation of CO2 Solubility and Selectivity in Nitrile-Functionalized Room-Temperature Ionic Liquids Using a Group Contribution Approach. Ind Eng Chem Res 2008. [DOI: 10.1021/ie8001217] [Citation(s) in RCA: 150] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Trevor K. Carlisle
- Department of Chemical & Biological Engineering, University of Colorado, Boulder, Colorado 80309-0424, and Department of Chemistry & Biochemistry, University of Colorado, Boulder, Colorado 80309-0215
| | - Jason E. Bara
- Department of Chemical & Biological Engineering, University of Colorado, Boulder, Colorado 80309-0424, and Department of Chemistry & Biochemistry, University of Colorado, Boulder, Colorado 80309-0215
| | - Christopher J. Gabriel
- Department of Chemical & Biological Engineering, University of Colorado, Boulder, Colorado 80309-0424, and Department of Chemistry & Biochemistry, University of Colorado, Boulder, Colorado 80309-0215
| | - Richard D. Noble
- Department of Chemical & Biological Engineering, University of Colorado, Boulder, Colorado 80309-0424, and Department of Chemistry & Biochemistry, University of Colorado, Boulder, Colorado 80309-0215
| | - Douglas L. Gin
- Department of Chemical & Biological Engineering, University of Colorado, Boulder, Colorado 80309-0424, and Department of Chemistry & Biochemistry, University of Colorado, Boulder, Colorado 80309-0215
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D’Anna F, Marullo S, Noto R. Ionic Liquids/[bmim][N3] Mixtures: Promising Media for the Synthesis of Aryl Azides by SNAr. J Org Chem 2008; 73:6224-8. [DOI: 10.1021/jo800676d] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Francesca D’Anna
- Dipartimento di Chimica Organica “E. Paternò”, Università degli Studi di Palermo, Viale delle Scienze, Parco d’Orleans II, 90128 Palermo, Italy
| | - Salvatore Marullo
- Dipartimento di Chimica Organica “E. Paternò”, Università degli Studi di Palermo, Viale delle Scienze, Parco d’Orleans II, 90128 Palermo, Italy
| | - Renato Noto
- Dipartimento di Chimica Organica “E. Paternò”, Università degli Studi di Palermo, Viale delle Scienze, Parco d’Orleans II, 90128 Palermo, Italy
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32
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Cmoch P, Pakulski Z. Comparative investigations on the regioselective mannosylation of 2,3,4-triols of mannose. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.tetasy.2008.05.032] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Brønsted Acids in Ionic Liquids: Fundamentals, Organic Reactions, and Comparisons. MONATSHEFTE FUR CHEMIE 2007. [DOI: 10.1007/s00706-007-0755-6] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sasaki K, Matsumura S, Toshima K. Toward the total synthesis of vineomycin B2: application of an efficient glycosylation methodology using 2,3-unsaturated sugars. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.07.145] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Fei Z, Ang WH, Zhao D, Scopelliti R, Zvereva EE, Katsyuba SA, Dyson PJ. Revisiting Ether-Derivatized Imidazolium-Based Ionic Liquids. J Phys Chem B 2007; 111:10095-108. [PMID: 17676796 DOI: 10.1021/jp073419l] [Citation(s) in RCA: 113] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of ether-derivatized imidazolium halides have been prepared and characterized. Contrary to literature reports, they are all crystalline solids and have melting points well above room temperature (50-100 degrees C). Single crystals of the imidazolium salts, obtained in situ by slow cooling from their molten state to room temperature, were analyzed by X-ray crystallography, revealing various anion-cation interactions in the solid state. Exchange of the halides with [Tf(2)N]- yielded room temperature ionic liquids with viscosities that are comparable to related 1-alkyl-3-methylimidazolium ionic liquids. Density functional theory combined with IR spectroscopy has been used to analyze the role of functionalization of the imidazolium side chain on the formation of the molecular and supramolecular structure of the compounds and its possible impact on their physical properties.
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Affiliation(s)
- Zhaofu Fei
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
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Yamada C, Sasaki K, Matsumura S, Toshima K. Aryl C-glycosylation using an ionic liquid containing a protic acid. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.04.077] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Anas S, Sajisha VS, Rajan R, Kumaran RT, Radhakrishnan KV. Ionic Liquid [bmim]PF6-Mediated Synthesis of 1,2-Orthoesters of Carbohydrates and the Glycosidation Reactions of 4-Pentenyl Orthoesters. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2007. [DOI: 10.1246/bcsj.80.553] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Li X, Geng W, Zhou J, Luo W, Wang F, Wang L, Tsang SC. Synthesis of multicarboxylic acid appended imidazolium ionic liquids and their application in palladium-catalyzed selective oxidation of styrene. NEW J CHEM 2007. [DOI: 10.1039/b702573d] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Li XB, Ogawa M, Monden T, Maeda T, Yamashita E, Naka M, Matsuda M, Hinou H, Nishimura SI. Glycosidation Promoted by a Reusable Solid Superacid in Supercritical Carbon Dioxide. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.200602161] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Li XB, Ogawa M, Monden T, Maeda T, Yamashita E, Naka M, Matsuda M, Hinou H, Nishimura SI. Glycosidation Promoted by a Reusable Solid Superacid in Supercritical Carbon Dioxide. Angew Chem Int Ed Engl 2006; 45:5652-5. [PMID: 16871610 DOI: 10.1002/anie.200602161] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Xue-Bing Li
- Division of Advanced Chemical Biology, Graduate School of Advanced Life Science, Frontier Research Center for Post-Genome Science and Technology, Hokkaido University, N21, W11, Sapporo 001-0021, Japan
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Toshima K. Novel glycosylation methods and their application to natural products synthesis. Carbohydr Res 2006; 341:1282-97. [PMID: 16630601 DOI: 10.1016/j.carres.2006.03.012] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2006] [Revised: 03/06/2006] [Accepted: 03/12/2006] [Indexed: 11/25/2022]
Abstract
In this short review article, several glycosylation methods that were developed in our laboratories, including stereocontrolled glycosylation using 2,6-anhydro-2,6-dideoxy-2,6-dithio sugars for obtaining 2,6-dideoxy glycosides, C-glycosylation employing unprotected sugars, environmentally benign glycosylation utilizing heterogeneous solid acids and ionic liquids, are recounted. In addition, representative and significant applications of these methods to the synthesis of complex natural products are described.
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Affiliation(s)
- Kazunobu Toshima
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan.
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Zhang J, Ragauskas A. Study of thioglycosylation in ionic liquids. Beilstein J Org Chem 2006; 2:12. [PMID: 16803635 PMCID: PMC1540430 DOI: 10.1186/1860-5397-2-12] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2006] [Accepted: 06/27/2006] [Indexed: 11/15/2022] Open
Abstract
A novel, green chemistry, glycosylation strategy was developed based upon the use of ionic liquids. Research studies demonstrated that thiomethyl glycosides could readily be activated with methyl trifluoromethane sulfonate, using 1-butyl-3-methylimidazolium tetrafluoroborate as a solvent. This green chemistry glycosylation strategy provided disaccharides with typical yields averaging 75%. The ionic liquid solvent could be readily reused for five sequential glycosylation reactions with no impact on product yield.
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Affiliation(s)
- Jianguo Zhang
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Gerogia, 30332, USA
| | - Arthur Ragauskas
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Gerogia, 30332, USA
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Zhang J, Ragauskas AJ. Synthesis of benzylidenated hexopyranosides in ionic liquids. Carbohydr Res 2005; 340:2812-5. [PMID: 16289411 DOI: 10.1016/j.carres.2005.10.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2005] [Revised: 10/06/2005] [Accepted: 10/06/2005] [Indexed: 11/22/2022]
Abstract
The synthesis of 4,6-O-benzylidenated monosaccharides and disaccharides has been studied using ionic liquids as a unique solvent alternative. An examination of several imidazolium ionic liquids indicates that the benzylidenation of hexopyranosides in 3-butyl-1-methylimidazolium tetrafluoroborate, [bmim]BF4, gives the highest yields for most of the substrates, and that this solvent system could be readily recycled.
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Affiliation(s)
- Jianguo Zhang
- Department of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA
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Bini R, Chiappe C, Pieraccini D, Piccioli P, Pomelli CS. Nucleophilic substitution of chlorobis(4-methoxyphenyl)methane: reactivity of carbenium ions in ILs-trifluoroethanol mixtures. Tetrahedron Lett 2005. [DOI: 10.1016/j.tetlet.2005.07.143] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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