1
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Wang XL, Chiang NY, Peng JJ, Yu L, Xu LJ, Yang HR, Jin BY, Zhang P, Lai YY, Li Z, Lai GQ, Luh TY. A Fischer-Type Ruthenium Carbene Complex as a Metathesis Catalyst for the Synthesis of Enol Ethers. J Org Chem 2021; 86:17629-17639. [PMID: 34846148 DOI: 10.1021/acs.joc.1c01741] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The Grubbs G-I or G-II catalyst gives the ruthenium ethoxy carbene complex, which catalyzes ring-opening cross metathesis (ROCM) of a strained cyclic alkene to give a diene where one of the two alkene moieties in the product contains an ethoxy substituent. No polymeric products are detected. Hydrocarbons such as parent norbornene or substituted cyclopropenes can proceed with the reaction smoothly. Tertiary amines, N-alkylimides, esters, and aryl or alkyl bromides remain intact under the reaction conditions. In addition to vinyl ethers, vinylic esters can also be used. The time required to reach a 50% yield of the ROCM product t50 varies from 0.01 to 140 h depending on the strain and nucleophilicity of the double bond. Anchimeric participation of an electron-rich group would result in significant enhancement of the reactivity, and the t50 could be as short as several minutes. A similar substrate without such a neighboring group shows a much slower rate. An exo-norborne derivative reacts much faster than the corresponding endo-isomer. Alkenes with poor nucleophilicity are less favored for the ROCM process, so is less strained cyclooctene.
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Affiliation(s)
- Xia-Lin Wang
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | | | - Jian-Jhih Peng
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Lei Yu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Li-Jun Xu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Hau-Ren Yang
- Institute of Polymer Science and Technology, National Taiwan University, Taipei 10617, Taiwan
| | - Bih-Yaw Jin
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Pinglu Zhang
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Yu-Ying Lai
- Institute of Polymer Science and Technology, National Taiwan University, Taipei 10617, Taiwan
| | - Ze Li
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Guo-Qiao Lai
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Tien-Yau Luh
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
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2
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Imamura A. Chemical Synthesis of Structurally Complex Sialoglycans. TRENDS GLYCOSCI GLYC 2019. [DOI: 10.4052/tigg.1947.2sj] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Akihiro Imamura
- Department of Applied Bio-Organic Chemistry, Faculty of Applied Biological Sciences, Gifu University
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3
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Imamura A. Chemical Synthesis of Structurally Complex Sialoglycans. TRENDS GLYCOSCI GLYC 2019. [DOI: 10.4052/tigg.1947.2se] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Akihiro Imamura
- Department of Applied Bio-Organic Chemistry, Faculty of Applied Biological Sciences, Gifu University
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4
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Yoshida F, Yoshinaka H, Tanaka H, Hanashima S, Yamaguchi Y, Ishihara M, Saburomaru M, Kato Y, Saito R, Ando H, Kiso M, Imamura A, Ishida H. Synthesis of the Core Oligosaccharides of Lipooligosaccharides from
Campylobacter jejuni
: A Putative Cause of Guillain–Barré Syndrome. Chemistry 2018; 25:796-805. [DOI: 10.1002/chem.201804862] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Fumi Yoshida
- Department of Applied Bio-organic ChemistryGifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Hiroki Yoshinaka
- Department of Applied Bio-organic ChemistryGifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Hidenori Tanaka
- Center for Highly Advanced Integration and Nano and Life Sciences, (G-CHAIN)Gifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Shinya Hanashima
- Structural Glycobiology Team, Systems Glycobiology Research GroupRIKEN Global Research Cluster 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Yoshiki Yamaguchi
- Structural Glycobiology Team, Systems Glycobiology Research GroupRIKEN Global Research Cluster 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Mikio Ishihara
- Department of Applied Bio-organic ChemistryGifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Miyuki Saburomaru
- Department of Applied Bio-organic ChemistryGifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Yuki Kato
- Department of Applied Bio-organic ChemistryGifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Risa Saito
- Department of Applied Bio-organic ChemistryGifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Hiromune Ando
- Center for Highly Advanced Integration and Nano and Life Sciences, (G-CHAIN)Gifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Makoto Kiso
- Department of Applied Bio-organic ChemistryGifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Akihiro Imamura
- Department of Applied Bio-organic ChemistryGifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
| | - Hideharu Ishida
- Department of Applied Bio-organic ChemistryGifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
- Center for Highly Advanced Integration and Nano and Life Sciences, (G-CHAIN)Gifu University 1-1 Yanagido Gifu-shi Gifu 501-1193 Japan
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5
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Higman CS, Lanterna AE, Marin ML, Scaiano JC, Fogg DE. Catalyst Decomposition during Olefin Metathesis Yields Isomerization-Active Ruthenium Nanoparticles. ChemCatChem 2016. [DOI: 10.1002/cctc.201600738] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Carolyn S. Higman
- Center for Catalysis Research & Innovation; Department of Chemistry and Biomolecular Sciences; University of Ottawa; 10 Marie Curie Ottawa ON K1N 6N5 Canada
| | - Anabel E. Lanterna
- Center for Catalysis Research & Innovation; Department of Chemistry and Biomolecular Sciences; University of Ottawa; 10 Marie Curie Ottawa ON K1N 6N5 Canada
| | - M. Luisa Marin
- Center for Catalysis Research & Innovation; Department of Chemistry and Biomolecular Sciences; University of Ottawa; 10 Marie Curie Ottawa ON K1N 6N5 Canada
| | - Juan C. Scaiano
- Center for Catalysis Research & Innovation; Department of Chemistry and Biomolecular Sciences; University of Ottawa; 10 Marie Curie Ottawa ON K1N 6N5 Canada
| | - Deryn E. Fogg
- Center for Catalysis Research & Innovation; Department of Chemistry and Biomolecular Sciences; University of Ottawa; 10 Marie Curie Ottawa ON K1N 6N5 Canada
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6
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Bidange J, Fischmeister C, Bruneau C. Ethenolysis: A Green Catalytic Tool to Cleave Carbon-Carbon Double Bonds. Chemistry 2016; 22:12226-44. [PMID: 27359344 DOI: 10.1002/chem.201601052] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Indexed: 11/08/2022]
Abstract
Remarkable innovations have been made in the field of olefin metathesis due to the design and preparation of new catalysts. Ethenolysis, which is cross-metathesis with ethylene, represents one catalytic transformation that has been used with the purpose of cleaving internal carbon-carbon double bonds. The objectives were either the ring opening of cyclic olefins to produce dienes or the shortening of unsaturated hydrocarbon chains to degrade polymers or generate valuable shorter terminal olefins in a controlled manner. This Review summarizes several aspects of this reaction: the catalysts, their degradation in the presence of ethylene, some parameters driving their productivity, the side reactions, and the applications of ethenolysis in organic synthesis and in potential industrial applications.
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Affiliation(s)
- Johan Bidange
- UMR 6226, CNRS, Université de Rennes 1, Institut des Sciences Chimiques de Rennes, Organometallics, Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 263 avenue du général Leclerc, 35042, Rennes Cedex, France
| | - Cédric Fischmeister
- UMR 6226, CNRS, Université de Rennes 1, Institut des Sciences Chimiques de Rennes, Organometallics, Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 263 avenue du général Leclerc, 35042, Rennes Cedex, France
| | - Christian Bruneau
- UMR 6226, CNRS, Université de Rennes 1, Institut des Sciences Chimiques de Rennes, Organometallics, Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 263 avenue du général Leclerc, 35042, Rennes Cedex, France.
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7
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Yuan J, Fracaroli AM, Klemperer WG. Convergent Synthesis of a Metal–Organic Framework Supported Olefin Metathesis Catalyst. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00365] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jian Yuan
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Alejandro M. Fracaroli
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Walter G. Klemperer
- Materials
Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department
of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
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8
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Wen L, Zheng Y, Li T, Wang PG. Enzymatic synthesis of 3-deoxy-d-manno-octulosonic acid (KDO) and its application for LPS assembly. Bioorg Med Chem Lett 2016; 26:2825-2828. [PMID: 27173798 PMCID: PMC5972366 DOI: 10.1016/j.bmcl.2016.04.061] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 04/21/2016] [Indexed: 11/15/2022]
Abstract
The studies of 3-deoxy-d-manno-octulosonic acid (KDO) have been hindered due to its limited availability. Herein, an efficient enzymatic system for the facile synthesis of KDO from easy-to-get starting materials is described. In this one-pot three-enzyme (OPME) system, d-ribulose 5-phosphate, which was prepared from d-xylose, was employed as starting materials. The reaction process involves the isomerization of d-ribulose 5-phosphate to d-arabinose 5-phosphate catalyzed by d-arabinose 5-phosphate isomerase (KdsD), the aldol condensation of d-arabinose 5-phosphate and phosphoenolpyruvate (PEP) catalyzed by KDO 8-phosphate synthetase (KdsA), and the hydrolysis of KDO-8-phosphate catalyzed by KDO 8-phosphate phosphatase (KdsC). By using this OPME system, 72% isolated yield was obtained. The obtained KDO was further transferred to lipid A by KDO transferase from Escherichia coli (WaaA).
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Affiliation(s)
- Liuqing Wen
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
| | - Yuan Zheng
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
| | - Tiehai Li
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA.
| | - Peng George Wang
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA.
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9
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10
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Feng Y, Dong J, Xu F, Liu A, Wang L, Zhang Q, Chai Y. Efficient Large Scale Syntheses of 3-Deoxy-d-manno-2-octulosonic acid (Kdo) and Its Derivatives. Org Lett 2015; 17:2388-91. [DOI: 10.1021/acs.orglett.5b00901] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yingle Feng
- School of Chemistry and Chemical
Engineering, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Jie Dong
- School of Chemistry and Chemical
Engineering, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Fangyuan Xu
- School of Chemistry and Chemical
Engineering, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Aiyun Liu
- School of Chemistry and Chemical
Engineering, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Li Wang
- School of Chemistry and Chemical
Engineering, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Qi Zhang
- School of Chemistry and Chemical
Engineering, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
| | - Yonghai Chai
- School of Chemistry and Chemical
Engineering, Shaanxi Normal University, Xi’an, Shaanxi 710119, P. R. China
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11
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Marhold M, Stillig C, Fröhlich R, Haufe G. Ring-Closing Metathesis of Vinyl Fluorides towards α-Fluorinated α,β-Unsaturated Lactams and Lactones. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402535] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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12
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Kang B, Jakubec P, Dixon DJ. Strategies towards the synthesis of calyciphylline A-type Daphniphyllum alkaloids. Nat Prod Rep 2014; 31:550-62. [PMID: 24595901 DOI: 10.1039/c3np70115h] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Daphniphyllum alkaloids are a diverse family of natural products rich in number and structural diversity that have been known for many decades. However, the structurally unique subclass of calyciphylline A-type alkaloids has only recently been discovered and is relatively unexplored. Several noteworthy core syntheses and the development of a wide range of novel synthetic strategies have been achieved. This includes strategies based on intramolecular Michael addition, Pd-catalysis, cycloaddition, and Mannich-type reactions. This review will provide an overview of these synthetic studies.
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Affiliation(s)
- Baldip Kang
- The Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK.
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13
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Pradhan TK, Lin CC, Mong KKT. Preparation of a protected 3-deoxy-D-manno-oct-2-ulosonate glycal donor for the synthesis of β-KDO-containing oligosaccharides. Org Lett 2014; 16:1474-7. [PMID: 24571125 DOI: 10.1021/ol500275j] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A practical method for the synthesis of KDO glycal donors was developed. The prepared KDO donors exhibited excellent disastereoselectivity of glycosylation in a CH2Cl2-CH3CN solvent mixture, which was found to be associated with the isopropylidene protection at the C-4 and C-5 hydroxyls. The synthetic use of the KDO donor was demonstrated in the preparation of β-KDO-containing oligosaccharides.
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Affiliation(s)
- Tapan Kumar Pradhan
- Applied Chemistry Department, National Chiao Tung University , 1001 Ta Hsueh Road, Taiwan
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14
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Boutureira O, Isabel Matheu M, Díaz Y, Castillón S. Ruthenium-catalyzed cross-metathesis with electron-rich phenyl vinyl sulfide enables access to 2,3-dideoxy-d-ribopyranose ring system donors. RSC Adv 2014. [DOI: 10.1039/c4ra01668h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Microwave irradiation effectively accelerates the cross-metathesis reaction of 2-deoxy-d-ribose hydroxyalkene and derivatives with electron-rich phenyl vinyl sulfide using commercially available ruthenium-based catalysts, thus providing a flexible metal-mediated route to 2,3-dideoxy-d-ribopyranose ring system donors.
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Affiliation(s)
- Omar Boutureira
- Departament de Química Analítica i Química Orgànica
- Universitat Rovira i Virgili
- C/Marcel·lí Domingo s/n
- 43007 Tarragona, Spain
| | - M. Isabel Matheu
- Departament de Química Analítica i Química Orgànica
- Universitat Rovira i Virgili
- C/Marcel·lí Domingo s/n
- 43007 Tarragona, Spain
| | - Yolanda Díaz
- Departament de Química Analítica i Química Orgànica
- Universitat Rovira i Virgili
- C/Marcel·lí Domingo s/n
- 43007 Tarragona, Spain
| | - Sergio Castillón
- Departament de Química Analítica i Química Orgànica
- Universitat Rovira i Virgili
- C/Marcel·lí Domingo s/n
- 43007 Tarragona, Spain
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15
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Higman CS, Plais L, Fogg DE. Isomerization During Olefin Metathesis: An Assessment of Potential Catalyst Culprits. ChemCatChem 2013. [DOI: 10.1002/cctc.201300886] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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16
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Synthesis of a pseudo-disaccharide library and its application to the characterisation of the heparanase catalytic site. PLoS One 2013; 8:e82111. [PMID: 24260588 PMCID: PMC3832595 DOI: 10.1371/journal.pone.0082111] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 10/19/2013] [Indexed: 12/15/2022] Open
Abstract
A novel methodology is described for the efficient and divergent synthesis of pseudodisaccharides, molecules comprising of amino carbasugar analogues linked to natural sugars. The methodology is general and enables the introduction of diversity both at the carbasugar and the natural sugar components of the pseudodisaccharides. Using this approach, a series of pseudodisaccharides are synthesised that mimic the repeating backbone unit of heparan sulfate, and are tested for inhibition of heparanase, a disease-relevant enzyme that hydrolyses heparan sulfate. A new homology model of human heparanase is described based on a family 79 β-glucuronidase. This model is used to postulate a computational rationale for the observed activity of the different pseudodisaccharides and provide valuable information that informs the design of potential inhibitors of this enzyme.
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17
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Lu C, Su X, Floreancig PE. Stereocontrolled cyanohydrin ether synthesis through chiral Brønsted acid-mediated vinyl ether hydrocyanation. J Org Chem 2013; 78:9366-76. [PMID: 23968162 DOI: 10.1021/jo4016002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Vinyl ethers can be protonated to generate oxocarbenium ions that react with Me3SiCN to form cyanohydrin alkyl ethers. Reactions that form racemic products proceed efficiently upon conversion of the vinyl ether to an α-chloro ether prior to cyanide addition in a pathway that proceeds through Brønsted acid-mediated chloride ionization. Enantiomerically enriched products can be accessed by directly protonating the vinyl ether with a chiral Brønsted acid to form a chiral ion pair. Me3SiCN acts as the nucleophile and PhOH serves as a stoichiometric proton source in a rare example of asymmetric bimolecular nucleophilic addition into an oxocarbenium ion. Computational studies have provided a model for the interaction between the catalyst and the oxocarbenium ion.
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Affiliation(s)
- Chunliang Lu
- Department of Chemistry, University of Pittsburgh , Pittsburgh, Pennsylvania 15260, United States
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18
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Sladojevich F, Michaelides IN, Darses B, Ward JW, Dixon DJ. Expedient Route to the Functionalized Calyciphylline A-Type Skeleton via a Michael Addition–RCM Strategy. Org Lett 2011; 13:5132-5. [DOI: 10.1021/ol202000w] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Filippo Sladojevich
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA,
U.K., and School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Iacovos N. Michaelides
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA,
U.K., and School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Benjamin Darses
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA,
U.K., and School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - John W. Ward
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA,
U.K., and School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Darren J. Dixon
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA,
U.K., and School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
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19
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Nicolaou KC, Dong L, Deng L, Talbot AC, Chen DYK. Synthesis of functionalized maoecrystal V core structures. Chem Commun (Camb) 2010; 46:70-2. [DOI: 10.1039/b917045f] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Kasaya Y, Hoshi K, Terada Y, Nishida A, Shuto S, Arisawa M. Aromatic Enamide/Ene Metathesis toward Substituted Indoles and Its Application to the Synthesis of Indomethacins. European J Org Chem 2009. [DOI: 10.1002/ejoc.200900520] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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21
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Ichiyanagi T, Sakamoto N, Ochi K, Yamasaki R. A Chemical Synthesis of 3-Deoxy-D-manno-2-octulosonic Acid from D-mannose. J Carbohydr Chem 2009. [DOI: 10.1080/07328300802650303] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Hekking KF, Waalboer DC, Moelands MA, van Delft F, Rutjes FP. A Ring-Closing Metathesis Approach to Cyclic α,β-Dehydroamino Acids. Adv Synth Catal 2008. [DOI: 10.1002/adsc.200700308] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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23
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Donohoe TJ, Fishlock LP, Lacy AR, Procopiou PA. A Metathesis-Based Approach to the Synthesis of Furans. Org Lett 2007; 9:953-6. [PMID: 17316009 DOI: 10.1021/ol062933r] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The enol ether-olefin ring-closing metathesis reaction has been employed to generate 2,3-dihydrofurans that are equipped with a leaving group. These substrates are at the correct oxidation state to undergo an acid-catalyzed aromatization, and this strategy has been utilized to provide a mild and rapid route (four steps) to a range of novel 2,5-disubstituted furans. [reaction: see text]
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Affiliation(s)
- Timothy J Donohoe
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford OX1 3TA, U.K.
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24
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Van de Weghe P, Bisseret P, Blanchard N, Eustache J. Metathesis of heteroatom-substituted olefins and alkynes: Current scope and limitations. J Organomet Chem 2006. [DOI: 10.1016/j.jorganchem.2006.07.022] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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25
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Barluenga J, Álvarez-Rodrigo L, Rodríguez F, Fañanás FJ. Zirconocene-Catalyzed Reactions of Alkenyl-Substituted Enol Ethers. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.200601959] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Barluenga J, Alvarez-Rodrigo L, Rodríguez F, Fañanás FJ. Zirconocene-Catalyzed Reactions of Alkenyl-Substituted Enol Ethers. Angew Chem Int Ed Engl 2006; 45:6362-5. [PMID: 16927439 DOI: 10.1002/anie.200601959] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- José Barluenga
- Instituto Universitario de Química Organometálica Enrique Moles, Unidad Asociada al C.S.I.C. Universidad de Oviedo, Julián Clavería 8, 33006 Oviedo, Spain.
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Hekking KFW, Moelands MAH, van Delft FL, Rutjes FPJT. An In-Depth Study on Ring-Closing Metathesis of Carbohydrate-Derived α-Alkoxyacrylates: Efficient Syntheses of DAH, KDO, and 2-Deoxy-β-KDO. J Org Chem 2006; 71:6444-50. [PMID: 16901129 DOI: 10.1021/jo060913x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Novel, efficient synthetic pathways to DAH, KDO, and 2-deoxy-beta-KDO are described. Ring-closing metathesis (RCM) of highly functionalized alpha-alkoxyacrylate fragments resulted in a series of synthetically versatile oxygen heterocyclic intermediates. Further functionalization of the resulting enol ether double bond and subsequent deprotection provided the natural products in high overall yields, starting from commercially available protected sugars.
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Affiliation(s)
- Koen F W Hekking
- Institute for Molecules and Materials, Radboud University Nijmegen, Toernooiveld 1, NL-6525 ED Nijmegen, The Netherlands
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De Matteis V, van Delft FL, Tiebes J, Rutjes FPJT. A Ring-Closing Metathesis Pathway to Fluorovinyl-Containing Nitrogen Heterocyles. European J Org Chem 2006. [DOI: 10.1002/ejoc.200500826] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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29
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Δ3-Aryl/heteroaryl substituted heterocycles via sequential Pd-catalysed termolecular cascade/ring closing metathesis (RCM). Tetrahedron 2005. [DOI: 10.1016/j.tet.2005.08.078] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Herndon JW. The chemistry of the carbon-transition metal double and triple bond: annual survey covering the year 2003. Coord Chem Rev 2005. [DOI: 10.1016/j.ccr.2004.10.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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33
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Cook MJ, Fleming DW, Gallagher T. Microwave-assisted, regioselective, Petasis olefination of unsymmetrical oxalates. Formation of pyruvate-based enol ethers and enamines. Tetrahedron Lett 2005. [DOI: 10.1016/j.tetlet.2004.11.070] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Katz JD, Overman LE. Studies towards the total synthesis of palau'amine. Formation of 4,5-dihydropyrrole-2-carboxylate intermediates by alkene–enamide ring-closing metathesis. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.06.140] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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36
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Concise synthesis of 3-deoxy-d-manno-oct-2-ulosonic acid (KDO) as a protected form based on a new transformation of α,β-unsaturated ester to α-oxocarboxylic acid ester via diol cyclic sulfite. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.04.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Kim JM, Lee KY, Lee S, Kim JN. Ring-closing metathesis toward the synthesis of 2,5-dihydrofuran and 2,5-dihydropyrrole skeletons from Baylis–Hillman adducts. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.02.047] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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38
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De Matteis V, van Delft FL, de Gelder R, Tiebes J, Rutjes FP. Fluorinated (hetero)cycles via ring-closing metathesis of fluoride- and trifluoromethyl-functionalized olefins. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2003.11.093] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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