1
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Moreno CJ, Hernández K, Gittings S, Bolte M, Joglar J, Bujons J, Parella T, Clapés P. Biocatalytic Synthesis of Homochiral 2-Hydroxy-4-butyrolactone Derivatives by Tandem Aldol Addition and Carbonyl Reduction. ACS Catal 2023; 13:5348-5357. [PMID: 37123603 PMCID: PMC10127515 DOI: 10.1021/acscatal.3c00367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/09/2023] [Indexed: 04/08/2023]
Abstract
Chiral 2-hydroxy acids and 2-hydroxy-4-butyrolactone derivatives are structural motifs often found in fine and commodity chemicals. Here, we report a tandem biocatalytic stereodivergent route for the preparation of these compounds using three stereoselective aldolases and two stereocomplementary ketoreductases using simple and achiral starting materials. The strategy comprises (i) aldol addition reaction of 2-oxoacids to aldehydes using two aldolases from E. coli, 3-methyl-2-oxobutanoate hydroxymethyltransferase (KPHMT Ecoli ), 2-keto-3-deoxy-l-rhamnonate aldolase (YfaU Ecoli ), and trans-o-hydroxybenzylidene pyruvate hydratase-aldolase from Pseudomonas putida (HBPA Pputida ) and (ii) subsequent 2-oxogroup reduction of the aldol adduct by ketopantoate reductase from E. coli (KPR Ecoli ) and a Δ1-piperidine-2-carboxylate/Δ1-pyrroline-2-carboxylate reductase from Pseudomonas syringae pv. tomato DSM 50315 (DpkA Psyrin ) with uncovered promiscuous ketoreductase activity. A total of 29 structurally diverse compounds were prepared: both enantiomers of 2-hydroxy-4-butyrolactone (>99% ee), 21 2-hydroxy-3-substituted-4-butyrolactones with the (2R,3S), (2S,3S), (2R,3R), or (2S,3R) configuration (from 60:40 to 98:2 dr), and 6 2-hydroxy-4-substituted-4-butyrolactones with the (2S,4R) configuration (from 87:13 to 98:2 dr). Conversions of aldol adducts varied from 32 to 98%, while quantitative conversions were achieved by both ketoreductases, with global isolated yields between 20 and 45% for most of the examples. One-pot one-step cascade reactions were successfully conducted achieving isolated yields from 30 to 57%.
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Affiliation(s)
- Carlos J. Moreno
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Karel Hernández
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Samantha Gittings
- Prozomix Ltd., West End Industrial Estate, Haltwhistle, Northumberland NE49 9HA, United Kingdom
| | - Michael Bolte
- Institut für Anorganische Chemie, J.-W.-Goethe-Universität, Frankfurt/Main, Max-von-Laue-Str. 7, D-60438 Frankfurt/Main, Germany
| | - Jesús Joglar
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Jordi Bujons
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Teodor Parella
- Servei de Ressonància Magnètica Nuclear. Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Pere Clapés
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
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2
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Gribble GW. Naturally Occurring Organohalogen Compounds-A Comprehensive Review. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2023; 121:1-546. [PMID: 37488466 DOI: 10.1007/978-3-031-26629-4_1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
The present volume is the third in a trilogy that documents naturally occurring organohalogen compounds, bringing the total number-from fewer than 25 in 1968-to approximately 8000 compounds to date. Nearly all of these natural products contain chlorine or bromine, with a few containing iodine and, fewer still, fluorine. Produced by ubiquitous marine (algae, sponges, corals, bryozoa, nudibranchs, fungi, bacteria) and terrestrial organisms (plants, fungi, bacteria, insects, higher animals) and universal abiotic processes (volcanos, forest fires, geothermal events), organohalogens pervade the global ecosystem. Newly identified extraterrestrial sources are also documented. In addition to chemical structures, biological activity, biohalogenation, biodegradation, natural function, and future outlook are presented.
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Affiliation(s)
- Gordon W Gribble
- Department of Chemistry, Dartmouth College, Hanover, NH, 03755, USA.
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3
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Fan H, Tong Z, Ren Z, Mishra K, Morita S, Edouarzin E, Gorla L, Averkiev B, Day VW, Hua DH. Synthesis and Characterization of Bimetallic Nanoclusters Stabilized by Chiral and Achiral Polyvinylpyrrolidinones. Catalytic C(sp 3)-H Oxidation. J Org Chem 2022; 87:6742-6759. [PMID: 35511477 DOI: 10.1021/acs.joc.2c00449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Second-generation chiral-substituted poly-N-vinylpyrrolidinones (CSPVPs) (-)-1R and (+)-1S were synthesized by free-radical polymerization of (3aR,6aR)- and (3aS,6aS)-5-ethenyl-tetrahydro-2,2-dimethyl-4H-1,3-dioxolo[4,5-c]pyrrol-4-one, respectively, using thermal and photochemical reactions. They were produced from respective d-isoascorbic acid and d-ribose. In addition, chiral polymer (-)-2 was also synthesized from the polymerization of (S)-3-(methoxymethoxy)-1-vinylpyrrolidin-2-one. Molecular weights of these chiral polymers were measured using HRMS, and the polymer chain tacticity was studied using 13C NMR spectroscopy. Chiral polymers (-)-1R, (+)-1S, and (-)-2 along with poly-N-vinylpyrrolidinone (PVP, MW 40K) were separately used in the stabilization of Cu/Au or Pd/Au nanoclusters. CD spectra of the bimetallic nanoclusters stabilized by (-)-1R and (+)-1S showed close to mirror-imaged CD absorption bands at wavelengths 200-300 nm, revealing that bimetallic nanoclusters' chiroptical responses are derived from chiral polymer-encapsulated nanomaterials. Chemo-, regio-, and stereo-selectivity was found in the catalytic C-H group oxidation reactions of complex bioactive natural products, such as ambroxide, menthofuran, boldine, estrone, dehydroabietylamine, 9-allogibberic acid, and sclareolide, and substituted adamantane molecules, when catalyst Cu/Au (3:1) or Pd/Au (3:1) stabilized by CSPVPs or PVP and oxidant H2O2 or t-BuOOH were applied. Oxidation of (+)-boldine N-oxide 23 using NMO as an oxidant yielded 4,5-dehydroboldine 27, and oxidation of (-)-9-allogibberic acid yielded C6,15 lactone 47 and C6-ketone 48.
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Affiliation(s)
- Huafang Fan
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Zongbo Tong
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Zhaoyang Ren
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Kanchan Mishra
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Shunya Morita
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Edruce Edouarzin
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Lingaraju Gorla
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Boris Averkiev
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Victor W Day
- Department of Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
| | - Duy H Hua
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
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4
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Huang SY, Gao LH, Huang XZ, Huang PQ. Enantioselective Total Syntheses of the Proposed and Revised Structures of Methoxystemofoline: A Stereochemical Revision. J Org Chem 2021; 86:11053-11071. [PMID: 33440938 DOI: 10.1021/acs.joc.0c02667] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This article describes the full details of our synthetic efforts toward the enantioselective total synthesis of the complex alkaloid methoxystemofoline. The enantioselective construction of the tetracyclic core features: (1) the Keck allylation at the N-α bridgehead carbon to forge the tetrasubstituted stereocenter; (2) an olefin cross-metathesis reaction for the side-chain elongation that is amenable for the synthesis of congeners and analogues; and (3) a regioselective aldol addition reaction with methyl pyruvate that ensured the subsequent regioselective cyclization reaction to construct the fourth ring. Overman's method was employed to install the 5-(alkoxyalky1idene)-3-methyl-tetronate moiety. In the last step, a nonstereoselective reaction resulted in the formation of both the proposed structure of methoxystemofoline and its E-stereoisomer, the natural product (revised structure), in a 1:1 ratio. We suggest to rename the natural product as isomethoxystemofoline, and report for the first time the complete 1H NMR data for this natural product.
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Affiliation(s)
- Su-Yu Huang
- Department of Chemistry and Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, PR China
| | - Long-Hui Gao
- Department of Chemistry and Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, PR China
| | - Xiong-Zhi Huang
- Department of Chemistry and Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, PR China
| | - Pei-Qiang Huang
- Department of Chemistry and Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, PR China.,State Key Laboratory of Bioorganic and Natural Products Chemistry, 345 Lingling Road, Shanghai 200032, PR China
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5
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Nishikawa K, Kumagai M, Matsumura K, Nishikibe K, Morimoto Y. Natural Product Synthesis Strategy Based on the Concept of Directly Constructing the Ring Skeletons from Linear Substrates. J SYN ORG CHEM JPN 2021. [DOI: 10.5059/yukigoseikyokaishi.79.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Keisuke Nishikawa
- Department of Chemistry, Graduate School of Science, Osaka City University
| | | | | | | | - Yoshiki Morimoto
- Department of Chemistry, Graduate School of Science, Osaka City University
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6
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Rouzifar M, Sobhani S, Farrokhi A, Sansano JM. Fe-MIL-101 modified by isatin-Schiff-base-Co: a heterogeneous catalyst for C–C, C–O, C–N, and C–P cross coupling reactions. NEW J CHEM 2021. [DOI: 10.1039/d1nj03468e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Fe-MIL-101-isatin-Schiff-base-Co was synthesized and applied as a catalyst for Ullmann-type, Buchwald–Hartwig, Hirao, Hiyama and Mizoroki–Heck cross-coupling reactions of aryl halides.
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Affiliation(s)
- Majid Rouzifar
- Department of Chemistry, College of Sciences, University of Birjand, Birjand, Iran
| | - Sara Sobhani
- Department of Chemistry, College of Sciences, University of Birjand, Birjand, Iran
| | - Alireza Farrokhi
- Department of Chemistry, College of Sciences, University of Birjand, Birjand, Iran
| | - José Miguel Sansano
- Departamento de Química Orgánica, Facultad de Ciencias, Centro de Innovación en Química Avanzada (ORFEO-CINQA) and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080-Alicante, Spain
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7
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Okuyama Y, Okamoto R, Mukai S, Kinoshita K, Sato T, Chida N. Synthesis of Saxitoxin and Its Derivatives. Org Lett 2020; 22:8697-8701. [PMID: 33104353 DOI: 10.1021/acs.orglett.0c03281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The chiral synthesis of (+)-saxitoxin and its derivatives is described. Two consecutive carbon-nitrogen bonds at C-5 and C-6 in saxitoxin were effectively installed by the sequential Overman rearrangement of an allylic vicinal diol derived from d-malic acid. The bicyclic guanidine unit was constructed by the intramolecular aminal formation of an acyclic bis-guanidine derivative possessing a ketone carbonyl at C-4. From the bicyclic aminal intermediate, (+)-saxitoxin, (+)-decarbamoyl-β-saxitoxinol [(+)-dc-β-saxitoxinol], and the unnatural skeletal isomer, (-)-iso-dc-saxitoxinol, were synthesized.
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Affiliation(s)
- Yuya Okuyama
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Ryosuke Okamoto
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Shori Mukai
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Kyoko Kinoshita
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Takaaki Sato
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Noritaka Chida
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
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8
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Tetrabutylphosphonium 4-ethoxyvalerate as a biomass-originated media for homogeneous palladium-catalyzed Hiyama coupling reactions. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01287-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
AbstractThe introduction of a biomass-derived ionic liquid into the Hiyama coupling reactions, which has been considered as a powerful tool for the synthesis of symmetrically and non-symmetrically substituted biaryl structures, could further control or even reduce the environmental impact of this transformation. It was shown that tetrabutylphosphonium 4-ethoxyvalerate, a γ-valerolactone-based ionic liquid, can be utilized as an alternative solvent to create carbon–carbon bonds between aryl iodides and functionalized organosilanes in the presence of 1 mol% Pd under typical Hiyama conditions (130 °C, 24 h, tetrabutylammonium fluoride activator). A comparison of different ionic liquids was performed, and the effects of the catalyst precursor and the moisture content of the reaction mixture on the activity of the catalyst system were investigated. The functional group tolerance was also studied, resulting in 15 cross-coupling products (3a–o) with isolated yields of 45–72% and excellent purity (> 98%).
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9
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Urbitsch F, Elbert BL, Llaveria J, Streatfeild PE, Anderson EA. A Modular, Enantioselective Synthesis of Resolvins D3, E1, and Hybrids. Org Lett 2020; 22:1510-1515. [PMID: 32031820 PMCID: PMC7146891 DOI: 10.1021/acs.orglett.0c00089] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Indexed: 12/31/2022]
Abstract
Resolvins D3 and E1 are important signaling molecules in the resolution of inflammation. Here, we report a convergent and flexible strategy to prepare these natural products using Hiyama-Denmark coupling of five- and six-membered cyclic alkenylsiloxanes to connect three resolvin fragments, and control the stereochemistry of the natural product (Z)-alkenes. The modular nature of this approach enables the synthesis of novel resolvin hybrids, opening up opportunities for more-extensive investigations of resolvin biology.
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Affiliation(s)
- Felix Urbitsch
- Chemistry
Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, United Kingdom
| | - Bryony L. Elbert
- Chemistry
Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, United Kingdom
| | - Josep Llaveria
- UCB
Pharma, Ltd., 216 Bath
Road, Slough, SL1 3WE, United Kingdom
| | | | - Edward A. Anderson
- Chemistry
Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, United Kingdom
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10
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Bartolo ND, Read JA, Valentín EM, Woerpel KA. Reactions of Allylmagnesium Reagents with Carbonyl Compounds and Compounds with C═N Double Bonds: Their Diastereoselectivities Generally Cannot Be Analyzed Using the Felkin-Anh and Chelation-Control Models. Chem Rev 2020; 120:1513-1619. [PMID: 31904936 PMCID: PMC7018623 DOI: 10.1021/acs.chemrev.9b00414] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
This review describes the additions of allylmagnesium reagents to carbonyl compounds and to imines, focusing on the differences in reactivity between allylmagnesium halides and other Grignard reagents. In many cases, allylmagnesium reagents either react with low stereoselectivity when other Grignard reagents react with high selectivity, or allylmagnesium reagents react with the opposite stereoselectivity. This review collects hundreds of examples, discusses the origins of stereoselectivities or the lack of stereoselectivity, and evaluates why selectivity may not occur and when it will likely occur.
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Affiliation(s)
- Nicole D. Bartolo
- Department of Chemistry, New York University, 100
Washington Square East, New York, NY 10003, USA
| | - Jacquelyne A. Read
- Department of Chemistry, New York University, 100
Washington Square East, New York, NY 10003, USA
- Department of Chemistry, University of Utah, 315 South 1400
East, Salt Lake City, UT 84112, USA
| | - Elizabeth M. Valentín
- Department of Chemistry, New York University, 100
Washington Square East, New York, NY 10003, USA
- Department of Chemistry, Susquehanna University, 514
University Avenue, Selinsgrove, PA 17870, USA
| | - K. A. Woerpel
- Department of Chemistry, New York University, 100
Washington Square East, New York, NY 10003, USA
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11
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Abstract
A mild and facile Peterson olefination has been developed employing low catalyst loading of the Brønsted acid HNTf2. The reactions are typically performed at room temperature, with the reaction tolerant to a range of useful functionalities. Furthermore, we have extended this methodology to the synthesis of enynes.
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Affiliation(s)
- Thomas K Britten
- Department of Natural Sciences , Manchester Metropolitan University , Chester Street , Manchester , M15GD , United Kingdom
| | - Mark G McLaughlin
- Department of Natural Sciences , Manchester Metropolitan University , Chester Street , Manchester , M15GD , United Kingdom
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12
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Gudmundsson HG, Kuper CJ, Cornut D, Urbitsch F, Elbert BL, Anderson EA. Synthesis of Cyclic Alkenyl Dimethylsiloxanes from Alkynyl Benzyldimethylsilanes and Application in Polyene Synthesis. J Org Chem 2019; 84:14868-14882. [PMID: 31646859 DOI: 10.1021/acs.joc.9b01664] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cyclic dimethylalkenylsiloxanes, useful motifs for (Z)-selective Hiyama cross-coupling, are accessed from alkynyl benzyldimethylsilanes featuring adjacent allylic or homoallylic oxygen substituents by semihydrogenation/debenzylation/cyclization. While formation of 5- and 6-membered rings can be achieved from the free alcohols using fluoride or silanolate, allylic acetate precursors to 5-membered rings display distinct modes of activation. The utility of these compounds is demonstrated through the preparation of a variety of (Z)-alkene-containing polyenes and application to a concise total synthesis of leukotriene B3.
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Affiliation(s)
| | - Christian J Kuper
- Chemistry Research Laboratory , 12 Mansfield Road , Oxford OX1 3TA , U.K
| | - Damien Cornut
- Chemistry Research Laboratory , 12 Mansfield Road , Oxford OX1 3TA , U.K
| | - Felix Urbitsch
- Chemistry Research Laboratory , 12 Mansfield Road , Oxford OX1 3TA , U.K
| | - Bryony L Elbert
- Chemistry Research Laboratory , 12 Mansfield Road , Oxford OX1 3TA , U.K
| | - Edward A Anderson
- Chemistry Research Laboratory , 12 Mansfield Road , Oxford OX1 3TA , U.K
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13
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Gao X, Xia M, Yuan C, Zhou L, Sun W, Li C, Wu B, Zhu D, Zhang C, Zheng B, Wang D, Guo H. Enantioselective Synthesis of Chiral Medium-Sized Cyclic Compounds via Tandem Cycloaddition/Cope Rearrangement Strategy. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04590] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xing Gao
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Miaoren Xia
- Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, P. R. China
| | - Chunhao Yuan
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Leijie Zhou
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Wei Sun
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Cheng Li
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Bo Wu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Dongyu Zhu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Cheng Zhang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Bing Zheng
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Dongqi Wang
- Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, P. R. China
| | - Hongchao Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
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14
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Tanabe S, Kobayashi Y. Synthesis of resolvin E3 via palladium-catalyzed addition of AcOH to vinyl epoxy alcohols. Org Biomol Chem 2019; 17:2393-2402. [DOI: 10.1039/c8ob03196g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
(18R)- and (18S)-resolvins E3 were synthesized via the Pd-catalyzed addition of AcOH to the syn and anti isomers of vinyl epoxy alcohols.
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Affiliation(s)
- Shuhei Tanabe
- Department of Biotechnology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Yuichi Kobayashi
- Department of Biotechnology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
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15
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Tiwari PK, Ballav H, Aidhen IS. Total Synthesis of Natural Product Piperodione and Its Analogues. ChemistrySelect 2018. [DOI: 10.1002/slct.201801427] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Praveen Kumar Tiwari
- Department of ChemistryIndian Institute of Technology Madras Chennai 600036 India
| | - Hemkalyan Ballav
- Department of ChemistryIndian Institute of Technology Madras Chennai 600036 India
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16
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Guthertz A, Leutzsch M, Wolf LM, Gupta P, Rummelt SM, Goddard R, Farès C, Thiel W, Fürstner A. Half-Sandwich Ruthenium Carbene Complexes Link trans-Hydrogenation and gem-Hydrogenation of Internal Alkynes. J Am Chem Soc 2018; 140:3156-3169. [DOI: 10.1021/jacs.8b00665] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
| | - Markus Leutzsch
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
| | - Lawrence M. Wolf
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
| | - Puneet Gupta
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
| | | | - Richard Goddard
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
| | - Christophe Farès
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
| | - Walter Thiel
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr 45470, Germany
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17
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Fujita S, Nishikawa K, Iwata T, Tomiyama T, Ikenaga H, Matsumoto K, Shindo M. Asymmetric Total Synthesis of (−)-Stemonamine and Its Stereochemical Stability. Chemistry 2018; 24:1539-1543. [DOI: 10.1002/chem.201706057] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Indexed: 11/07/2022]
Affiliation(s)
- Satoshi Fujita
- Interdisciplinary Graduate School of Engineering Sciences; Kyushu University, Kasuga-koen; Kasuga 816-8580 Japan
| | - Keisuke Nishikawa
- Institute for Materials Chemistry and Engineering; Kyushu University, Kasuga-koen; Kasuga 816-8580 Japan
| | - Takayuki Iwata
- Institute for Materials Chemistry and Engineering; Kyushu University, Kasuga-koen; Kasuga 816-8580 Japan
| | - Taishi Tomiyama
- Interdisciplinary Graduate School of Engineering Sciences; Kyushu University, Kasuga-koen; Kasuga 816-8580 Japan
| | - Hiroshi Ikenaga
- Interdisciplinary Graduate School of Engineering Sciences; Kyushu University, Kasuga-koen; Kasuga 816-8580 Japan
| | - Kenji Matsumoto
- Institute for Materials Chemistry and Engineering; Kyushu University, Kasuga-koen; Kasuga 816-8580 Japan
| | - Mitsuru Shindo
- Institute for Materials Chemistry and Engineering; Kyushu University, Kasuga-koen; Kasuga 816-8580 Japan
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18
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Lim C, Ahn J, Sim J, Yun H, Hur J, An H, Jang J, Lee S, Suh YG. Total synthesis of (+)-brasilenyne via concise construction of an oxonane framework containing a 1,3-cis,cis-diene. Chem Commun (Camb) 2018; 54:467-470. [DOI: 10.1039/c7cc08329g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The enantioselective total synthesis of (+)-brasilenyne, which has a unique oxonane framework containing a 1,3-cis,cis-diene, has been accomplished.
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Affiliation(s)
- Changjin Lim
- College of Pharmacy
- CHA University
- Pocheon-si
- Republic of Korea
- College of Pharmacy
| | - Jungmin Ahn
- College of Pharmacy
- Seoul National University
- Gwanak-gu
- Republic of Korea
| | - Jaehoon Sim
- College of Pharmacy
- CHA University
- Pocheon-si
- Republic of Korea
- College of Pharmacy
| | - Hwayoung Yun
- College of Pharmacy
- Pusan National University
- Busan 46241
- Republic of Korea
| | - Joonseong Hur
- College of Pharmacy
- Seoul National University
- Gwanak-gu
- Republic of Korea
| | - Hongchan An
- College of Pharmacy
- Seoul National University
- Gwanak-gu
- Republic of Korea
| | - Jaebong Jang
- College of Pharmacy
- Seoul National University
- Gwanak-gu
- Republic of Korea
| | - Seungbeom Lee
- College of Pharmacy
- Seoul National University
- Gwanak-gu
- Republic of Korea
| | - Young-Ger Suh
- College of Pharmacy
- CHA University
- Pocheon-si
- Republic of Korea
- College of Pharmacy
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19
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Read JA, Yang Y, Woerpel KA. Additions of Organomagnesium Halides to α-Alkoxy Ketones: Revision of the Chelation-Control Model. Org Lett 2017; 19:3346-3349. [DOI: 10.1021/acs.orglett.7b01161] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jacquelyne A. Read
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Yingying Yang
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - K. A. Woerpel
- Department of Chemistry, New York University, New York, New York 10003, United States
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20
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Nishikawa K, Yamauchi K, Kikuchi S, Ezaki S, Koyama T, Nokubo H, Matsumura K, Kodama T, Kumagai M, Morimoto Y. Total Syntheses of Lepadiformine Marine Alkaloids with Enantiodivergency, Utilizing Hg(OTf)
2
‐Catalyzed Cycloisomerization Reaction and their Cytotoxic Activities. Chemistry 2017; 23:9535-9545. [DOI: 10.1002/chem.201701475] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Keisuke Nishikawa
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Kengo Yamauchi
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Seiho Kikuchi
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Shinnosuke Ezaki
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Tomoyuki Koyama
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Haruka Nokubo
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Kunihiro Matsumura
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Takeshi Kodama
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Momochika Kumagai
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
- Japan Food Research Laboratories Ibaraki-shi Osaka 567-0085 Japan
| | - Yoshiki Morimoto
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
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21
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Yang CS, Chen JJ, Huang HC, Huang GJ, Wang SY, Sung PJ, Cheng MJ, Wu MD, Kuo YH. New Benzenoid Derivatives and Other Constituents from Lawsonia inermis with Inhibitory Activity against NO Production. Molecules 2017; 22:molecules22060936. [PMID: 28587259 PMCID: PMC6152715 DOI: 10.3390/molecules22060936] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Accepted: 06/01/2017] [Indexed: 11/16/2022] Open
Abstract
Three new benzenoid derivatives, lawsoinermone (1), inermidioic acid (2), and inermic acid (3) have been isolated from the aerial part of Lawsonia inermis, together with 11 known compounds (4-14). The structures of three new compounds were determined through spectroscopic and MS analyses. Compounds 1, 4-6, 13 and 14 were evaluated for inhibition of nitric oxide production in LPS-stimulated product of nitrite in RAW 264.7 cells with IC50 values of 6.12, 16.43, 18.98, 9.30, 9.30 and 14.90 μg/mL, respectively.
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Affiliation(s)
- Chang-Syun Yang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan.
| | - Jih-Jung Chen
- Faculty of Pharmacy, School of Pharmaceutical Sciences, National Yang-Ming University, Taipei 112, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan.
| | - Hui-Chi Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan.
| | - Guan-Jhong Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan.
| | - Sheng-Yang Wang
- Department of Forestry, National Chung-Hsing University, Taichung 402, Taiwan.
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan.
| | - Ping-Jyun Sung
- National Museum of Marine Biology and Aquarium, Pingtung 944, Taiwan.
| | - Ming-Jen Cheng
- Food Industry Research and Development Institute, Hsinchu 300, Taiwan.
| | - Ming-Der Wu
- Food Industry Research and Development Institute, Hsinchu 300, Taiwan.
| | - Yueh-Hsiung Kuo
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan.
- Department of Biotechnology, Asia University, Taichung 413, Taiwan.
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22
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Wang LL, Candito D, Dräger G, Herrmann J, Müller R, Kirschning A. Harnessing ap-Quinone Methide Intermediate in the Biomimetic Total Synthesis of the Highly Active Antibiotic 20-Deoxy-Elansolid B1. Chemistry 2017; 23:5291-5298. [DOI: 10.1002/chem.201605884] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Liang Liang Wang
- Institut für Organische Chemie und Biomolekulares Wirkstoffzentrum (BMWZ); Leibniz Universität Hannover; Schneiderberg 1B 30167 Hannover Germany
| | - David Candito
- Institut für Organische Chemie und Biomolekulares Wirkstoffzentrum (BMWZ); Leibniz Universität Hannover; Schneiderberg 1B 30167 Hannover Germany
| | - Gerald Dräger
- Institut für Organische Chemie und Biomolekulares Wirkstoffzentrum (BMWZ); Leibniz Universität Hannover; Schneiderberg 1B 30167 Hannover Germany
| | - Jennifer Herrmann
- Helmholtz Zentrum für Infektionsforschung; Helmholtz Institut für Pharmazeutische Forschung Saarland und Pharmazeutische Biotechnologie; Universität des Saarlandes; Campus E 8.1 66123 Saarbrücken Germany
| | - Rolf Müller
- Helmholtz Zentrum für Infektionsforschung; Helmholtz Institut für Pharmazeutische Forschung Saarland und Pharmazeutische Biotechnologie; Universität des Saarlandes; Campus E 8.1 66123 Saarbrücken Germany
| | - Andreas Kirschning
- Institut für Organische Chemie und Biomolekulares Wirkstoffzentrum (BMWZ); Leibniz Universität Hannover; Schneiderberg 1B 30167 Hannover Germany
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23
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Nanba Y, Shinohara R, Morita M, Kobayashi Y. Stereoselective synthesis of 17,18-epoxy derivative of EPA and stereoisomers of isoleukotoxin diol by ring opening of TMS-substituted epoxide with dimsyl sodium. Org Biomol Chem 2017; 15:8614-8626. [DOI: 10.1039/c7ob02291c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The title three compounds were synthesized using the reaction of TMS-substituted epoxides with dimsyl sodium to produce 1-alkene-3,4-diol derivatives.
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Affiliation(s)
- Yutaro Nanba
- Department of Biotechnology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Riku Shinohara
- Department of Biotechnology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Masao Morita
- Department of Biotechnology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Yuichi Kobayashi
- Department of Biotechnology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
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24
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Lee WS, Byun S, Kwon J, Kim BM. Magnetic Pd-Fe3O4Heterodimer Nanocrystals as Recoverable Catalysts for Ligand-Free Hiyama Cross-Coupling Reactions. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.11013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Woong-Sup Lee
- Department of Chemistry, College of Natural Sciences; Seoul National University; Seoul 08826 Republic of Korea
| | - Sangmoon Byun
- Department of Chemistry, College of Natural Sciences; Seoul National University; Seoul 08826 Republic of Korea
| | - Jungmin Kwon
- Department of Chemistry, College of Natural Sciences; Seoul National University; Seoul 08826 Republic of Korea
| | - B. Moon Kim
- Department of Chemistry, College of Natural Sciences; Seoul National University; Seoul 08826 Republic of Korea
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25
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Chinthapally K, Massaro NP, Sharma I. Rhodium Carbenoid Initiated O–H Insertion/Aldol/Oxy-Cope Cascade for the Stereoselective Synthesis of Functionalized Oxacycles. Org Lett 2016; 18:6340-6343. [DOI: 10.1021/acs.orglett.6b03229] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kiran Chinthapally
- Department of Chemistry and
Biochemistry, and Institute of Natural Products Applications and Research
Technologies University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73071, United States
| | - Nicholas P. Massaro
- Department of Chemistry and
Biochemistry, and Institute of Natural Products Applications and Research
Technologies University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73071, United States
| | - Indrajeet Sharma
- Department of Chemistry and
Biochemistry, and Institute of Natural Products Applications and Research
Technologies University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73071, United States
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26
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27
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Zeng XP, Zhou J. Me2(CH2Cl)SiCN: Bifunctional Cyanating Reagent for the Synthesis of Tertiary Alcohols with a Chloromethyl Ketone Moiety via Ketone Cyanosilylation. J Am Chem Soc 2016; 138:8730-3. [DOI: 10.1021/jacs.6b05601] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Xing-Ping Zeng
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East China Normal University, 3663N Zhongshan Road, Shanghai 200062, China
| | - Jian Zhou
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East China Normal University, 3663N Zhongshan Road, Shanghai 200062, China
- State
Key Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin 300071, P. R. China
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28
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Harizani M, Ioannou E, Roussis V. The Laurencia Paradox: An Endless Source of Chemodiversity. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2016; 102:91-252. [PMID: 27380407 DOI: 10.1007/978-3-319-33172-0_2] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Nature, the most prolific source of biological and chemical diversity, has provided mankind with treatments for health problems since ancient times and continues to be the most promising reservoir of bioactive chemicals for the development of modern drugs. In addition to the terrestrial organisms that still remain a promising source of new bioactive metabolites, the marine environment, covering approximately 70% of the Earth's surface and containing a largely unexplored biodiversity, offers an enormous resource for the discovery of novel compounds. According to the MarinLit database, more than 27,000 metabolites from marine macro- and microorganisms have been isolated to date providing material and key structures for the development of new products in the pharmaceutical, food, cosmeceutical, chemical, and agrochemical sectors. Algae, which thrive in the euphotic zone, were among the first marine organisms that were investigated as sources of food, nutritional supplements, soil fertilizers, and bioactive metabolites.Red algae of the genus Laurencia are accepted unanimously as one of the richest sources of new secondary metabolites. Their cosmopolitan distribution, along with the chemical variation influenced to a significant degree by environmental and genetic factors, have resulted in an endless parade of metabolites, often featuring multiple halogenation sites.The present contribution, covering the literature until August 2015, offers a comprehensive view of the chemical wealth and the taxonomic problems currently impeding chemical and biological investigations of the genus Laurencia. Since mollusks feeding on Laurencia are, in many cases, bioaccumulating, and utilize algal metabolites as chemical weaponry against natural enemies, metabolites of postulated dietary origin of sea hares that feed on Laurencia species are also included in the present review. Altogether, 1047 secondary metabolites, often featuring new carbocyclic skeletons, have been included.The chapter addresses: (1) the "Laurencia complex", the botanical description and the growth and population dynamics of the genus, as well as its chemical diversity and ecological relations; (2) the secondary metabolites, which are organized according to their chemical structures and are classified into sesquiterpenes, diterpenes, triterpenes, acetogenins, indoles, aromatic compounds, steroids, and miscellaneous compounds, as well as their sources of isolation which are depicted in tabulated form, and (3) the biological activity organized according to the biological target and the ecological functions of Laurencia metabolites.
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Affiliation(s)
- Maria Harizani
- Department of Pharmacognosy and Chemistry of Natural Products, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens, 15771, Greece
| | - Efstathia Ioannou
- Department of Pharmacognosy and Chemistry of Natural Products, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens, 15771, Greece.
| | - Vassilios Roussis
- Department of Pharmacognosy and Chemistry of Natural Products, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens, 15771, Greece.
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29
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Luo H, Liu H, Zhang Z, Xiao Y, Wang S, Luo X, Wang K. Direct and site-selective Pd(ii)-catalyzed C-7 arylation of indolines with arylsilanes. RSC Adv 2016. [DOI: 10.1039/c6ra06915k] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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30
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31
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Nickel S, Serwa RA, Kaschani F, Ninck S, Zweerink S, Tate EW, Kaiser M. Chemoproteomic Evaluation of the Polyacetylene Callyspongynic Acid. Chemistry 2015; 21:10721-8. [PMID: 26079733 DOI: 10.1002/chem.201500934] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Indexed: 01/17/2023]
Abstract
Polyacetylenes are a class of alkyne-containing natural products. Although potent bioactivities and thus possible applications as chemical probes have already been reported for some polyacetylenes, insights into the biological activities or molecular mode of action are still rather limited in most cases. To overcome this limitation, we describe the application of the polyacetylene callyspongynic acid in the development of an experimental roadmap for characterizing potential protein targets of alkyne-containing natural products. To this end, we undertook the first chemical synthesis of callyspongynic acid. We then used in situ chemical proteomics methods to demonstrate extensive callyspongynic acid-mediated chemical tagging of endoplasmic reticulum-associated lipid-metabolizing and modifying enzymes. We anticipate that an elucidation of protein targets of natural products may serve as an effective guide to the development of subsequent biological assays that aim to identify chemical phenotypes and bioactivities.
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Affiliation(s)
- Sabrina Nickel
- Chemische Biologie, ZMB, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen (Germany)
| | - Remigiusz A Serwa
- Department of Chemistry, Imperial College London, Exhibition Road, London SW7 2AZ (UK)
| | - Farnusch Kaschani
- Chemische Biologie, ZMB, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen (Germany)
| | - Sabrina Ninck
- Chemische Biologie, ZMB, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen (Germany)
| | - Susanne Zweerink
- Chemische Biologie, ZMB, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen (Germany)
| | - Edward W Tate
- Department of Chemistry, Imperial College London, Exhibition Road, London SW7 2AZ (UK)
| | - Markus Kaiser
- Chemische Biologie, ZMB, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen (Germany).
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32
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Olejniczak J, Chan M, Almutairi A. Light-Triggered Intramolecular Cyclization in Poly(lactic-co-glycolic acid)-Based Polymers for Controlled Degradation. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b00455] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jason Olejniczak
- Department
of Chemistry and Biochemistry, ‡Skaggs School of Pharmacy and Pharmaceutical
Sciences, and §Departments of Bioengineering, NanoEngineering, and Materials Science
and Engineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Minnie Chan
- Department
of Chemistry and Biochemistry, ‡Skaggs School of Pharmacy and Pharmaceutical
Sciences, and §Departments of Bioengineering, NanoEngineering, and Materials Science
and Engineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Adah Almutairi
- Department
of Chemistry and Biochemistry, ‡Skaggs School of Pharmacy and Pharmaceutical
Sciences, and §Departments of Bioengineering, NanoEngineering, and Materials Science
and Engineering, University of California, San Diego, La Jolla, California 92093, United States
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33
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Ronson TO, Taylor RJ, Fairlamb IJ. Palladium-catalysed macrocyclisations in the total synthesis of natural products. Tetrahedron 2015. [DOI: 10.1016/j.tet.2014.11.009] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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34
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Ohira S, Yokogawa Y, Tsuji S, Mitsui T, Fukukawa T, Hayashi KI, Kuboki A, Matsuura N, Iinuma M, Nozaki H. New naphthoquinone and monoterpenoid from Plumbago zeylanica. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.10.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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35
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Azpíroz R, Rubio-Pérez L, Castarlenas R, Pérez-Torrente JJ, Oro LA. gem-Selective Cross-Dimerization and Cross-Trimerization of Alkynes with Silylacetylenes Promoted by a Rhodium-Pyridine-N-Heterocyclic Carbene Catalyst. ChemCatChem 2014. [DOI: 10.1002/cctc.201402327] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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36
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Kriemen E, Ruf E, Behrens U, Maison W. Synthesis of 1,4,7,10-Tetra-azacyclododecan-1,4,7,10-tetra-azidoethylacetic Acid (DOTAZA) and Related “Clickable” DOTA Derivatives. Chem Asian J 2014; 9:2197-204. [DOI: 10.1002/asia.201402250] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Indexed: 01/27/2023]
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37
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Lu MZ, Lu P, Xu YH, Loh TP. Mild Rh(III)-Catalyzed Direct C–H Bond Arylation of (Hetero)Arenes with Arylsilanes in Aqueous Media. Org Lett 2014; 16:2614-7. [DOI: 10.1021/ol500754h] [Citation(s) in RCA: 109] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ming-Zhu Lu
- Hefei National
Laboratory for Physical Sciences at the Microscale and Department
of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Ping Lu
- Hefei National
Laboratory for Physical Sciences at the Microscale and Department
of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Yun-He Xu
- Hefei National
Laboratory for Physical Sciences at the Microscale and Department
of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Teck-Peng Loh
- Hefei National
Laboratory for Physical Sciences at the Microscale and Department
of Chemistry, University of Science and Technology of China, Hefei, 230026, China
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, Singapore 637371
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38
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Walleser P, Brückner R. Stereocontrolled Synthesis of a C1-C10Building Block (“Southwestern Moiety”) for the Unnatural Enantiomers of the Polyene Polyol Antibiotics Filipin III and Pentamycin: A Sultone-Forming Ring-Closing Metathesis for Protection of Homoallylic Alcohols. European J Org Chem 2014. [DOI: 10.1002/ejoc.201400145] [Citation(s) in RCA: 13] [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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39
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Wang Y, Liu QF, Xue JJ, Zhou Y, Yu HC, Yang SP, Zhang B, Zuo JP, Li Y, Yue JM. Ivorenolide B, an immunosuppressive 17-membered macrolide from Khaya ivorensis: structural determination and total synthesis. Org Lett 2014; 16:2062-5. [PMID: 24666217 DOI: 10.1021/ol500667d] [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
Ivorenolide B (1), an unprecedented 17-membered macrolide featuring conjugated acetylenic bonds and four chiral centers, was isolated from Khaya ivorensis. The structure of 1 was fully determined by spectroscopic analysis and total syntheses of its four most possible stereoisomers. Compound 1 showed significant immunosuppressive activity.
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Affiliation(s)
- Yao Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University , Lanzhou 730000, China
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40
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Arde P, Reddy V, Vijaya Anand R. NHC catalysed trimethylsilylation of terminal alkynes and indoles with Ruppert's reagent under solvent free conditions. RSC Adv 2014. [DOI: 10.1039/c4ra08727e] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A highly efficient organo-catalytic protocol for the trimethylsilylation of terminal alkynes and N-silylation of indoles employing Ruppert's reagent as a trimethylsilyl source have been developed under solvent and fluoride free conditions.
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Affiliation(s)
- Panjab Arde
- Department of Chemical Sciences
- Indian Institute of Science Education and Research (IISER) Mohali
- Mohali, India
| | - Virsinha Reddy
- Department of Chemical Sciences
- Indian Institute of Science Education and Research (IISER) Mohali
- Mohali, India
| | - Ramasamy Vijaya Anand
- Department of Chemical Sciences
- Indian Institute of Science Education and Research (IISER) Mohali
- Mohali, India
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41
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Hussain A, Yousuf SK, Mukherjee D. Importance and synthesis of benzannulated medium-sized and macrocyclic rings (BMRs). RSC Adv 2014. [DOI: 10.1039/c4ra07434c] [Citation(s) in RCA: 129] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Cyclic molecular frameworks, especially the benzannulated medium-sized and macrocyclic ring (BMR) systems, constitute an integral component of a large number of biologically significant natural or synthetic molecules.
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Affiliation(s)
- Altaf Hussain
- Acedemy of Scientific and Innovative Research (AcSIR)
- New Delhi, India
- Indian Institute of Integrative Medicine (CSIR-IIIM)
- , India
| | - S. K. Yousuf
- Indian Institute of Integrative Medicine (CSIR-IIIM)
- , India
| | - Debaraj Mukherjee
- Acedemy of Scientific and Innovative Research (AcSIR)
- New Delhi, India
- Indian Institute of Integrative Medicine (CSIR-IIIM)
- , India
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42
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Gallon J, Esteban J, Bouzbouz S, Campbell M, Reymond S, Cossy J. Formal Synthesis of Dictyostatin and Synthesis of Two Dictyostatin Analogues. Chemistry 2012; 18:11788-97. [DOI: 10.1002/chem.201201001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Revised: 06/05/2012] [Indexed: 02/06/2023]
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43
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Frye EC, O'Connor CJ, Twigg DG, Elbert B, Laraia L, Hulcoop DG, Venkitaraman AR, Spring DR. Palladium-catalysed cross-coupling of vinyldisiloxanes with benzylic and allylic halides and sulfonates. Chemistry 2012; 18:8774-9. [PMID: 22678946 DOI: 10.1002/chem.201200431] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2012] [Indexed: 12/15/2022]
Abstract
The Hiyama cross-coupling reaction is a powerful method for carbon-carbon bond formation. To date, the substrate scope of this reaction has predominantly been limited to sp(2)-sp(2) coupling reactions. Herein, the palladium-catalysed Hiyama type cross-coupling of vinyldisiloxanes with benzylic and allylic bromides, chlorides, tosylates and mesylates is reported. A wide variety of functional groups were tolerated, and the synthetic utility of the methodology was exemplified through the efficient total synthesis of the cytotoxic natural product bussealin A. In addition, the antiproliferative ability of bussealin A was evaluated in two cancer-cell lines.
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Affiliation(s)
- Elizabeth C Frye
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
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44
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Čusak A. Temporary Silicon-Tethered Ring-Closing Metathesis: Recent Advances in Methodology Development and Natural Product Synthesis. Chemistry 2012; 18:5800-24. [DOI: 10.1002/chem.201103186] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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45
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Cheng HY, Lin YS, Sun CS, Shih TW, Tsai HHG, Hou DR. Ring-closing metathesis and palladium-catalyzed formate reduction to 3-methyleneoxepanes. Formal synthesis of (−)-zoapatanol. Tetrahedron 2012. [DOI: 10.1016/j.tet.2011.10.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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46
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Krishnamurthy VR, Dougherty A, Haller CA, Chaikof EL. Total synthesis and bioactivity of 18(R)-hydroxyeicosapentaenoic acid. J Org Chem 2011; 76:5433-7. [PMID: 21598971 DOI: 10.1021/jo2002243] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Resolvins are family of lipid mediators derived from omega-3 polyunsaturated fatty acids, which are generated during the resolution phase of acute inflammation. Resolvin E1 is biosynthesized from eicosapentaenoic acid via 18(R)-hydroxyeicosapentaenoic acid (18R-HEPE) in the Cox-2 and lipoxygenase mediated pathway and has proven to exhibit potent anti-inflammatory activity. We report herein the first total chemical synthesis of 18R-HEPE and demonstrate that this compound displays in vivo bioactivity by blocking neutrophil infiltration in a murine model of zymosan-induced peritonitis.
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Affiliation(s)
- Venkata R Krishnamurthy
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
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47
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Rink C, Navickas V, Maier ME. An Approach to the Core Structure of Leiodermatolide. Org Lett 2011; 13:2334-7. [DOI: 10.1021/ol200584a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Christian Rink
- Institut für Organische Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Gemany
| | - Vaidotas Navickas
- Institut für Organische Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Gemany
| | - Martin E. Maier
- Institut für Organische Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Gemany
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48
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Zou J, Jafr G, Themistou E, Yap Y, Wintrob ZAP, Alexandridis P, Ceacareanu AC, Cheng C. pH-Sensitive brush polymer-drug conjugates by ring-opening metathesis copolymerization. Chem Commun (Camb) 2011; 47:4493-5. [PMID: 21399797 DOI: 10.1039/c0cc05531j] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Representing a new category of polymer-drug conjugates, brush polymer-drug conjugates were prepared by ring-opening metathesis copolymerization. Following judicious structural design, these conjugates exhibited well-shielded drug moieties, significant water solubility, well-defined nanostructures, and acid-triggered drug release.
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Affiliation(s)
- Jiong Zou
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
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49
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Nakao Y, Hiyama T. Silicon-based cross-coupling reaction: an environmentally benign version. Chem Soc Rev 2011; 40:4893-901. [DOI: 10.1039/c1cs15122c] [Citation(s) in RCA: 524] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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50
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Denmark SE, Liu JHC. Sequential Processes in Palladium-Catalyzed Silicon-Based Cross-Coupling. Isr J Chem 2010; 50:577-587. [PMID: 23293392 DOI: 10.1002/ijch.201000036] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Although developed somewhat later, silicon-based cross-coupling has become a viable alternative to the more conventional Suzuki-Miyaura, Stille-Kosugi-Migita, and Negishi cross-coupling reactions because of its broad substrate scope, high stability of silicon-containing reagents, and low toxicity of waste streams. An empowering and yet underappreciated feature unique to silicon-based cross-coupling is the wide range of sequential processes available. In these processes, simple precursors are first converted to complex silicon-containing cross-coupling substrates, and the subsequent silicon-based cross-coupling reaction affords an even more highly functionalized product in a stereoselective fashion. In so doing, structurally simple and inexpensive starting materials are quickly transformed into value-added and densely substituted products. Therefore, sequential processes are often useful in constructing the carbon backbones of natural products. In this review, studies of sequential processes involving silicon-based cross-coupling are discussed. Additionally, the total syntheses that utilize these sequential processes are also presented.
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Affiliation(s)
- Scott E Denmark
- Roger Adams Laboratory University of Illinois at Urbana-Champaign 600 South Mathews Avenue Urbana, IL 61801 (USA)
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