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Zhang Y, Li H, Yang X, Zhou P, Shu C. Recent advances in the synthesis of cyclic sulfinic acid derivatives (sultines and cyclic sulfinamides). Chem Commun (Camb) 2023; 59:6272-6285. [PMID: 37140259 DOI: 10.1039/d3cc01238g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The chemistry of cyclic sulfinic acid derivatives (sultines and cyclic sulfinamides) was underdeveloped for a long time due to their inaccessibility. Considering the importance of cyclic sulfinate esters and amides in the fields of chemistry, pharmaceutical science, and material science, synthesis strategies involving cyclic sulfinic acid derivatives have been paid more attention in recent years, and have been widely used in the synthesis of sulfur-containing compounds such as sulfoxides, sulfones, sulfinates and thioethers. Despite the impressive improvements that have been made in last twenty years with the new strategies, to date, no reviews have been published, to the best of our knowledge, dealing with the preparation of cyclic sulfinic acid derivatives. This review summarizes the latest advances in the development of new synthesis methods to access cyclic sulfinic acid derivatives in the last two decades. The synthetic strategies are reviewed by highlighting their product diversity, selectivity and applicability, and the mechanistic rationale is presented where possible. We wish to bring readers a comprehensive understanding of the state-of-play of cyclic sulfinic acid derivative formation and make a contribution to future research.
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Affiliation(s)
- Yongxin Zhang
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei 430079, China.
| | - Helian Li
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei 430079, China.
| | - Xiaoxiao Yang
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei 430079, China.
| | - Pan Zhou
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei 430079, China.
| | - Chao Shu
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei 430079, China.
- HICI Digital Power Technology Co., Ltd, Wuhan, Hubei, China
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Rodríguez-Berríos RR, Isbel SR, Bugarin A. Epoxide-Based Synthetic Approaches toward Polypropionates and Related Bioactive Natural Products. Int J Mol Sci 2023; 24:6195. [PMID: 37047173 PMCID: PMC10094535 DOI: 10.3390/ijms24076195] [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: 02/28/2023] [Revised: 03/16/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Polypropionate units are a common structural feature of many of the natural products in polyketides, some of which have shown a broad range of antimicrobial and therapeutic potential. Polypropionates are composed of a carbon skeleton with alternating methyl and hydroxy groups with a specific configuration. Different approaches have been developed for the synthesis of polypropionates and herein we include, for the first time, all of the epoxide-based methodologies that have been reported over the years by several research groups such as Kishi, Katsuki, Marashall, Miyashita, Prieto, Sarabia, Jung, McDonald, etc. Several syntheses of polypropionate fragments and natural products that employed epoxides as key intermediates have been described and summarized in this review. These synthetic approaches involve enatio- and diastereoselective synthesis of epoxides (epoxy-alcohols, epoxy-amides, and epoxy-esters) and their regioselective cleavage with carbon and/or hydride nucleophiles. In addition, we included a description of the isolation and biological activities of the polypropionates and related natural products that have been synthetized using epoxide-based approaches. In conclusion, the epoxide-based methodologies are a non-aldol alternative approach for the construction of polypropionate.
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Affiliation(s)
- Raúl R. Rodríguez-Berríos
- Department of Chemistry, University of Puerto Rico, Rio Piedras Campus, P.O. Box 23346, San Juan 00931-3346, Puerto Rico;
| | - Stephen R. Isbel
- Department of Chemistry & Physics, Florida Gulf Coast University, 10501 FGCU Boulevard South, Fort Myers, FL 33965, USA
| | - Alejandro Bugarin
- Department of Chemistry & Physics, Florida Gulf Coast University, 10501 FGCU Boulevard South, Fort Myers, FL 33965, USA
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Li H, Zhang Y, Yang X, Deng Z, Zhu Z, Zhou P, Ouyang X, Yuan Y, Chen X, Yang L, Liu M, Shu C. Synthesis of Multifluoromethylated γ-Sultines by a Photoinduced Radical Addition-Polar Cyclization. Angew Chem Int Ed Engl 2023; 62:e202300159. [PMID: 36762878 DOI: 10.1002/anie.202300159] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/10/2023] [Accepted: 02/10/2023] [Indexed: 02/11/2023]
Abstract
Despite the significance of sultines in synthesis, medicine, and materials science, the chemistry of sultines has remained unexplored due to their inaccessibility. Herein, we demonstrate the development of a photoredox-catalyzed multifluoromethyl radical addition/SO2 incorporation/polar cyclization cascade approach to multifluoromethylated γ-sultines. The reactions proceed by single electron transfer induced multifluoromethyl radical addition to an alkene followed by SO2 incorporation, and single-electron reduction for polar 5-exo-tet cyclization. Key to the success of the protocol is the use of easily oxidizable multifluoroalkanesulfinates as bifunctional reagents. The reactions proceed with excellent functional-group tolerance to deliver γ-sultines in moderate to excellent yields.
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Affiliation(s)
- Helian Li
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Yongxin Zhang
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Xiaoxiao Yang
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Zhenxi Deng
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Zhimin Zhu
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Pan Zhou
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Xinke Ouyang
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Yuting Yuan
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Xi Chen
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Lingyue Yang
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Meng Liu
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Chao Shu
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health. College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
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Expeditious Asymmetric Synthesis of Polypropionates Relying on Sulfur Dioxide-Induced C–C Bond Forming Reactions. Catalysts 2021. [DOI: 10.3390/catal11111267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
For a long time, the organic chemistry of sulfur dioxide (SO2) consisted of sulfinates that react with carbon electrophiles to generate sulfones. With alkenes and other unsaturated compounds, SO2 generates polymeric materials such as polysulfones. More recently, H-ene, sila-ene and hetero-Diels–Alder reactions of SO2 have been realized under conditions that avoid polymer formation. Sultines resulting from the hetero-Diels–Alder reactions of conjugated dienes and SO2 are formed more rapidly than the corresponding more stable sulfolenes resulting from the cheletropic additions. In the presence of a protic or Lewis acid catalyst, the sultines derived from 1-alkoxydienes are ionized into zwitterionic intermediates bearing 1-alkoxyallylic cation moieties which react with electro-rich alkenes such as enol silyl ethers and allylsilanes with high stereoselectivity. (C–C-bond formation through Umpolung induced by SO2). This produces silyl sulfinates that react with carbon electrophiles to give sulfones (one-pot four component asymmetric synthesis of sulfones), or with Cl2, generating the corresponding sulfonamides that can be reacted in situ with primary and secondary amines (one-pot four component asymmetric synthesis of sulfonamides). Alternatively, Pd-catalyzed desulfinylation generates enantiomerically pure polypropionate stereotriads in one-pot operations. The chirons so obtained are flanked by an ethyl ketone moiety on one side and by a prop-1-en-1-yl carboxylate group on the other. They are ready for two-directional chain elongations, realizing expeditious synthesis of long-chain polypropionates and polyketides. The stereotriads have also been converted into simpler polypropionates such as the cyclohexanone moiety of baconipyrone A and B, Kishi’s stereoheptad unit of rifamycin S, Nicolaou’s C1–C11-fragment and Koert’s C16–CI fragment of apoptolidin A. This has also permitted the first total synthesis of (-)-dolabriferol.
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Leškovskis K, Gulbe K, Mishnev A, Turks M. Ring opening of methylenecyclopropanes with halides in liquid sulfur dioxide. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Gulbe K, Turks MR. Synthesis of Sulfones via Ru(II)-Catalyzed Sulfination of Boronic Acids. J Org Chem 2020; 85:5660-5669. [PMID: 32212658 DOI: 10.1021/acs.joc.9b03403] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Ruthenium(II) complexes catalyze the insertion of sulfur dioxide into (het)aryl and alkenyl boronic acids. The transmetalation-sulfination process proceeds with DABSO in the presence of 5 mol % RuCl2(PPh3)3 in methanol at 100 °C. The intermediate sulfinate salt can be quenched with various electrophiles such as alkyl halides, epoxides, Michael acceptors, and λ3-iodanes in moderate to good yields. The reported sulfone synthesis can be performed either as a direct one-pot or one-pot two-step procedure depending on the reactivity of the electrophile.
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Affiliation(s)
- Krista Gulbe
- Institute of Technology of Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, P. Valdena Street 3, Riga, LV-1048, Latvia
| | - Ma Ris Turks
- Institute of Technology of Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, P. Valdena Street 3, Riga, LV-1048, Latvia
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Hernández-Ibáñez S, Soares do Rego Barros O, Lahosa A, García-Muñoz MJ, Benlahrech M, Behloul C, Foubelo F, Yus M. Stereoselective synthesis of 5-(1-aminoalkyl)-2-pyrrolidones and 1,7-diazaspiro[4.5]decane-2,8-diones from chiral N-tert-butanesulfinyl imines and ethyl 4-nitrobutanoate. Tetrahedron 2020. [DOI: 10.1016/j.tet.2019.130842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Stikute A, Lugiņina J, Turks M. Synthesis of allyl sulfones from potassium allyltrifluoroborates. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.05.097] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Lugiņina J, Uzuleņa J, Posevins D, Turks M. Ring-Opening of Carbamate-Protected Aziridines and Azetidines in Liquid Sulfur Dioxide. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600141] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Posevins D, Suta K, Turks M. Indium-Triflate-Catalyzed Ritter Reaction in Liquid Sulfur Dioxide. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600013] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Marković D, Tchawou WA, Novosjolova I, Laclef S, Stepanovs D, Turks M, Vogel P. Synthesis and Applications of Silyl 2-Methylprop-2-ene-1-sulfinates in Preparative Silylation and GC-Derivatization Reactions of Polyols and Carbohydrates. Chemistry 2016; 22:4196-205. [DOI: 10.1002/chem.201504380] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Dean Marković
- Laboratoire de glycochimie et de synthèse asymétrique; Swiss Federal Institute of Technology of Lausanne (EPFL); Lausanne 1015 Switzerland), Fax: (+41) 21-693-93-55
- Chemistry Department; University of Osijek; Osijek Ulica cara Hadrijana 8A Croatia 31000
- Department of Biotechnology; University of Rijeka; Radmile Matejčić 2 51000 Rijeka Croatia
| | - Wandji Augustin Tchawou
- Laboratoire de glycochimie et de synthèse asymétrique; Swiss Federal Institute of Technology of Lausanne (EPFL); Lausanne 1015 Switzerland), Fax: (+41) 21-693-93-55
| | - Irina Novosjolova
- Faculty of Materials Science and Applied Chemistry; Riga Technical University; P. Valdena Str. 3 Riga 1007 Latvia
| | - Sylvain Laclef
- Laboratoire de glycochimie et de synthèse asymétrique; Swiss Federal Institute of Technology of Lausanne (EPFL); Lausanne 1015 Switzerland), Fax: (+41) 21-693-93-55
| | - Dmitrijs Stepanovs
- Faculty of Materials Science and Applied Chemistry; Riga Technical University; P. Valdena Str. 3 Riga 1007 Latvia
- Latvian Institute of Organic Synthesis; Aizkraukles Str. 21 Riga 1006 Latvia
| | - Māris Turks
- Faculty of Materials Science and Applied Chemistry; Riga Technical University; P. Valdena Str. 3 Riga 1007 Latvia
| | - Pierre Vogel
- Laboratoire de glycochimie et de synthèse asymétrique; Swiss Federal Institute of Technology of Lausanne (EPFL); Lausanne 1015 Switzerland), Fax: (+41) 21-693-93-55
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Stikute A, Peipiņš V, Turks M. Synthesis of allyl sulfoxides from allylsilanes via silyl sulfinates. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.06.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Turks M, Fairweather KA, Scopelliti R, Vogel P. Efficient Asymmetric Synthesis of Long-Chain Polyketides Containing up to Ten Contiguous Stereogenic Centres by Double Chain Elongation. European J Org Chem 2011. [DOI: 10.1002/ejoc.201100196] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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14
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Exner CJ, Turks M, Fonquerne F, Vogel P. Concise Synthesis of Complicated Polypropionates through One-Pot Dissymmetrical Two-Directional Chain Elongation. Chemistry 2011; 17:4246-53. [DOI: 10.1002/chem.201003264] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Indexed: 11/11/2022]
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15
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Exner CJ, Laclef S, Poli F, Turks M, Vogel P. Total Asymmetric Syntheses of β-Hydroxy-δ-lactones via Umpolung with Sulfur Dioxide. J Org Chem 2011; 76:840-5. [DOI: 10.1021/jo102035d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Claudia J. Exner
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology Lausanne (EPFL), Batochime, CH-1015 Lausanne, Switzerland
| | - Sylvain Laclef
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology Lausanne (EPFL), Batochime, CH-1015 Lausanne, Switzerland
| | - Florent Poli
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology Lausanne (EPFL), Batochime, CH-1015 Lausanne, Switzerland
| | - Maris Turks
- Faculty of Material Science and Applied Chemistry, Riga Technical University, LV-1048 Riga, Latvia
| | - Pierre Vogel
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology Lausanne (EPFL), Batochime, CH-1015 Lausanne, Switzerland
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Laclef S, Turks M, Vogel P. Totalsynthese und Bestimmung der absoluten Konfiguration von (−)-Dolabriferol. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201003735] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Laclef S, Turks M, Vogel P. Total Synthesis and Determination of the Absolute Configuration of (−)-Dolabriferol. Angew Chem Int Ed Engl 2010; 49:8525-7. [DOI: 10.1002/anie.201003735] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Volla C, Marković D, Laclef S, Vogel P. The Catalyzed Desulfinylative Allylation of Carbonyl Compounds with Alk-2-enesulfonyl Chlorides and Silyl Alk-2-enesulfinates. Chemistry 2010; 16:8984-8. [DOI: 10.1002/chem.201000705] [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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Varela-Álvarez A, Marković D, Vogel P, Sordo JÁ. Desulfinylation of Prop-2-enesulfinic Acid: Experimental Results and Mechanistic Theoretical Analysis. J Am Chem Soc 2009; 131:9547-61. [DOI: 10.1021/ja901565s] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Adrián Varela-Álvarez
- Laboratorio de Química Computacional, Departamento de Química Física y Analítica, Universidad de Oviedo, Principado de Asturias, Spain, and Laboratoire de glycochimie et de synthèse asymétrique (LGSA), Swiss Federal Institute of Technology of Lausanne (EPFL), CH 1015 Lausanne, Switzerland
| | - Dean Marković
- Laboratorio de Química Computacional, Departamento de Química Física y Analítica, Universidad de Oviedo, Principado de Asturias, Spain, and Laboratoire de glycochimie et de synthèse asymétrique (LGSA), Swiss Federal Institute of Technology of Lausanne (EPFL), CH 1015 Lausanne, Switzerland
| | - Pierre Vogel
- Laboratorio de Química Computacional, Departamento de Química Física y Analítica, Universidad de Oviedo, Principado de Asturias, Spain, and Laboratoire de glycochimie et de synthèse asymétrique (LGSA), Swiss Federal Institute of Technology of Lausanne (EPFL), CH 1015 Lausanne, Switzerland
| | - José Ángel Sordo
- Laboratorio de Química Computacional, Departamento de Química Física y Analítica, Universidad de Oviedo, Principado de Asturias, Spain, and Laboratoire de glycochimie et de synthèse asymétrique (LGSA), Swiss Federal Institute of Technology of Lausanne (EPFL), CH 1015 Lausanne, Switzerland
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Turks M, Vogel P. Synthesis of Optically Active 5-Alkoxy-6-methylcyclohex-2-en-1-ones and 4-Alkoxy-5-methylcyclopent-1-enyl Benzoate. J Org Chem 2008; 74:435-7. [DOI: 10.1021/jo801981c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ma̅ris Turks
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology (EPFL), Batochime, CH-1015 Lausanne, Switzerland
| | - Pierre Vogel
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology (EPFL), Batochime, CH-1015 Lausanne, Switzerland
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