1
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Huo LQ, Wang XH, Zhang Z, Jia Z, Peng XS, Wong HNC. Sustainable and practical formation of carbon-carbon and carbon-heteroatom bonds employing organo-alkali metal reagents. Chem Sci 2023; 14:1342-1362. [PMID: 36794178 PMCID: PMC9906645 DOI: 10.1039/d2sc05475b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
Metal-catalysed cross-coupling reactions are amongst the most widely used methods to directly construct new bonds. In this connection, sustainable and practical protocols, especially transition metal-catalysed cross-coupling reactions, have become the focus in many aspects of synthetic chemistry due to their high efficiency and atom economy. This review summarises recent advances from 2012 to 2022 in the formation of carbon-carbon bonds and carbon-heteroatom bonds by employing organo-alkali metal reagents.
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Affiliation(s)
- Lu-Qiong Huo
- School of Science and Engineering, Shenzhen Key Laboratory of Innovative Drug Synthesis, The Chinese University of Hong Kong (Shenzhen) Longgang District Shenzhen China
| | - Xin-Hao Wang
- School of Science and Engineering, Shenzhen Key Laboratory of Innovative Drug Synthesis, The Chinese University of Hong Kong (Shenzhen) Longgang District Shenzhen China
| | - Zhenguo Zhang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 China
| | - Zhenhua Jia
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 China
| | - Xiao-Shui Peng
- School of Science and Engineering, Shenzhen Key Laboratory of Innovative Drug Synthesis, The Chinese University of Hong Kong (Shenzhen) Longgang District Shenzhen China .,Department of Chemistry, and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong Shatin, New Territories Hong Kong SAR China
| | - Henry N. C. Wong
- School of Science and Engineering, Shenzhen Key Laboratory of Innovative Drug Synthesis, The Chinese University of Hong Kong (Shenzhen)Longgang DistrictShenzhenChina,Department of Chemistry, and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong KongShatin, New TerritoriesHong Kong SARChina
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2
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Chen Y, Zhang X, Liu F, He G, Zhang J, Houk K, Smith AB, Liang Y. The role of CuI in the siloxane-mediated Pd-catalyzed cross-coupling reactions of aryl iodides with aryl lithium reagents. CHINESE CHEM LETT 2021; 32:441-444. [PMID: 33994753 PMCID: PMC8115222 DOI: 10.1016/j.cclet.2020.05.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Experiments indicate that a catalytic amount of CuI plays an important role in the siloxane-mediated Pd-catalyzed cross-coupling reactions with the direct use of organolithium reagents. Addition of organolithium to the siloxane transfer agent generates an organosilicon intermediate. DFT calculations indicate that CuI initially accelerates the Si-Pd(II) transmetalation of the organosilicon intermediate by the formation of CuI2 -. Subsequently, CuI2 - works as a shuttle between the Si-Cu(I) and Cu(I)-Pd(II) transmetalation processes.
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Affiliation(s)
- Yu Chen
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xiao Zhang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Fang Liu
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Gucheng He
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Ju Zhang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - K.N. Houk
- Department of Chemistry and Biochemistry, University of California, CA 90095, United States
| | - Amos B. Smith
- Department of Chemistry, University of Pennsylvania, PA 19104, United States
| | - Yong Liang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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3
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Zhang S, Yu K, Guo Y, Mou R, Lu X, Guo D. Preparation and Reactivation of Heterogeneous Palladium Catalysts and Applications in Sonogashira, Suzuki, and Heck Reactions in Aqueous Media. ChemistryOpen 2018; 7:803-813. [PMID: 30338204 PMCID: PMC6182254 DOI: 10.1002/open.201800139] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Indexed: 12/18/2022] Open
Abstract
A new type of heterogeneous palladium catalyst, PdMgAl-LDH, was facilely prepared by the immobilization of Pd2+ species in the layers of a Mg-Al layered double hydroxide (LDH) with co-precipitation, and then fully characterized by using powder XRD, thermogravimetric differential thermal analysis, TEM, energy-dispersive X-ray spectroscopy, and X-ray photoelectron spectroscopy techniques. These catalysts can efficiently catalyze copper-free Sonogashira, Suzuki and Heck coupling reactions of various aryl iodides, bromides, and chlorides in aqueous media under phosphine-ligand- and organic-base-free conditions. These catalysts feature easy recovery through simple filtration and could be reused at least six times without a marked loss in activity. Notably, they can be facilely reactivated by a combination of nitrolysis with co-precipitation. The basic LDH skeletons could effectively stabilize the Pd0 species created in situ and donate electron density to the Pd0 center to facilitate the oxidative addition of aryl halides, thus the PdMgAl-LDH catalysts are stable during catalysis.
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Affiliation(s)
- Sheng‐Yan Zhang
- College of Chemistry, Chemical Engineering and Materials ScienceCollaborative Innovation Center of Functionalized Probes for, Chemical Imaging in Universities of ShandongShandong Normal UniversityJinan250014China
| | - Kai Yu
- College of Chemistry, Chemical Engineering and Materials ScienceCollaborative Innovation Center of Functionalized Probes for, Chemical Imaging in Universities of ShandongShandong Normal UniversityJinan250014China
| | - Yu‐Shuang Guo
- College of Chemistry, Chemical Engineering and Materials ScienceCollaborative Innovation Center of Functionalized Probes for, Chemical Imaging in Universities of ShandongShandong Normal UniversityJinan250014China
| | - Rui‐Qi Mou
- College of Chemistry, Chemical Engineering and Materials ScienceCollaborative Innovation Center of Functionalized Probes for, Chemical Imaging in Universities of ShandongShandong Normal UniversityJinan250014China
| | - Xiao‐Fan Lu
- College of Chemistry, Chemical Engineering and Materials ScienceCollaborative Innovation Center of Functionalized Probes for, Chemical Imaging in Universities of ShandongShandong Normal UniversityJinan250014China
| | - Dian‐Shun Guo
- College of Chemistry, Chemical Engineering and Materials ScienceCollaborative Innovation Center of Functionalized Probes for, Chemical Imaging in Universities of ShandongShandong Normal UniversityJinan250014China
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4
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Nguyen MH, Imanishi M, Kurogi T, Wan X, Ishmael JE, McPhail KL, Smith AB. Synthetic Access to the Mandelalide Family of Macrolides: Development of an Anion Relay Chemistry Strategy. J Org Chem 2018; 83:4287-4306. [PMID: 29480727 PMCID: PMC5910188 DOI: 10.1021/acs.joc.8b00268] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The mandelalides comprise a family of structurally complex marine macrolides that display significant cytotoxicity against several human cancer cell lines. Presented here is a full account on the development of an Anion Relay Chemistry (ARC) strategy for the total synthesis of (-)-mandelalides A and L, the two most potent members of the mandelalide family. The design and implementation of a three-component type II ARC/cross-coupling protocol and a four-component type I ARC union permits rapid access respectively to the key tetrahydrofuran and tetrahydropyran structural motifs of these natural products. Other highlights of the synthesis include an osmium-catalyzed oxidative cyclization of an allylic 1,3-diol, a mild Yamaguchi esterification to unite the northern and southern hemispheres, and a late-stage Heck macrocyclization. Synthetic mandelalides A and L displayed potent cytotoxicity against human HeLa cervical cancer cells (EC50, 1.3 and 3.1 nM, respectively). This synthetic approach also provides access to several highly potent non-natural mandelalide analogs, including a biotin-tagged mandelalide probe for future biological investigation.
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Affiliation(s)
- Minh H. Nguyen
- Department of Chemistry, Laboratory for Research on the Structure of Matter, and Monell Chemical Senses Center, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Masashi Imanishi
- Department of Chemistry, Laboratory for Research on the Structure of Matter, and Monell Chemical Senses Center, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Taichi Kurogi
- Department of Chemistry, Laboratory for Research on the Structure of Matter, and Monell Chemical Senses Center, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Xuemei Wan
- Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR 97331, United States
| | - Jane E. Ishmael
- Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR 97331, United States
| | - Kerry L. McPhail
- Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR 97331, United States
| | - Amos B. Smith
- Department of Chemistry, Laboratory for Research on the Structure of Matter, and Monell Chemical Senses Center, University of Pennsylvania, Philadelphia, PA 19104, United States
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5
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Nguyen MH, O'Brien KT, Smith AB. Design, Synthesis, and Application of Polymer-Supported Silicon-Transfer Agents for Cross-Coupling Reactions with Organolithium Reagents. J Org Chem 2017; 82:11056-11071. [PMID: 28931273 DOI: 10.1021/acs.joc.7b02004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The initial design, synthesis, and validation of polymer-supported siloxane transfer agents have been achieved that permit the direct use of organolithium reagents in the palladium-catalyzed cross-coupling reactions. Through rational design, two generations of polymer support were developed that significantly simplify product purification and the transfer agent recycling.
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Affiliation(s)
- Minh H Nguyen
- Department of Chemistry, Laboratory for Research on the Structure of Matter and Monell Chemical Senses Center, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States
| | - Kevin T O'Brien
- Department of Chemistry, Laboratory for Research on the Structure of Matter and Monell Chemical Senses Center, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States
| | - Amos B Smith
- Department of Chemistry, Laboratory for Research on the Structure of Matter and Monell Chemical Senses Center, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States
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6
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Total synthesis of architecturally complex indole terpenoids: strategic and tactical evolution. J Antibiot (Tokyo) 2017; 71:185-204. [PMID: 28852179 DOI: 10.1038/ja.2017.94] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 07/01/2017] [Accepted: 07/08/2017] [Indexed: 02/07/2023]
Abstract
Indole terpenes have attracted the interests of synthetic chemists due to their complex architectures and potent biological activities. Examples of total syntheses of several indole terpenes were reviewed in this article to honor Professor KC Nicolaou.
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7
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Faisal S, Zang Q, Maity PK, Brandhofer A, Kearney PC, Reiser O, Grass RN, Stoianova D, Hanson PR. Development and Application of a Recyclable High-Load Magnetic Co/C Hybrid ROMP-Derived Benzenesulfonyl Chloride Reagent and Utility of Corresponding Analogues. Org Lett 2017; 19:2274-2277. [PMID: 28437113 DOI: 10.1021/acs.orglett.7b00792] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The development and application of high-load, recyclable magnetic Co/C hybrid ROMP-derived benzenesulfonyl chloride and analogues is reported. The regeneration and utility of these reagents in the methylation/alkylation of various carboxylic acids is demonstrated via efficient retrieval of the magnetic reagent with a neodymium magnet. Additional reactions employing the analogue sulfonic acid and in situ generated magnetic benzenesulfonyl azide are also reported.
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Affiliation(s)
- Saqib Faisal
- Department of Chemistry, University of Kansas , 1251 Wescoe Hall Drive, Lawrence, Kansas 66045-7582, United States.,The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD) , 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, Kansas 66047, United States
| | - Qin Zang
- Department of Chemistry, University of Kansas , 1251 Wescoe Hall Drive, Lawrence, Kansas 66045-7582, United States.,The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD) , 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, Kansas 66047, United States
| | - Pradip K Maity
- Department of Chemistry, University of Kansas , 1251 Wescoe Hall Drive, Lawrence, Kansas 66045-7582, United States.,The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD) , 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, Kansas 66047, United States
| | - Agnes Brandhofer
- Department of Chemistry, University of Kansas , 1251 Wescoe Hall Drive, Lawrence, Kansas 66045-7582, United States.,The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD) , 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, Kansas 66047, United States.,Institute for Organic Chemistry, University of Regensburg , Universitatsstrasse 31, 93053 Regensburg, Germany
| | | | - Oliver Reiser
- Institute for Organic Chemistry, University of Regensburg , Universitatsstrasse 31, 93053 Regensburg, Germany
| | - Robert N Grass
- Institute for Chemical and Bioengineering , Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, 8093 Zürich, Switzerland
| | - Diana Stoianova
- Materia, Inc., 60 North San Gabriel Boulevard, Pasadena, California 91107, United States
| | - Paul R Hanson
- Department of Chemistry, University of Kansas , 1251 Wescoe Hall Drive, Lawrence, Kansas 66045-7582, United States.,The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD) , 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, Kansas 66047, United States
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8
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Komiyama T, Minami Y, Hiyama T. Recent Advances in Transition-Metal-Catalyzed Synthetic Transformations of Organosilicon Reagents. ACS Catal 2016. [DOI: 10.1021/acscatal.6b02374] [Citation(s) in RCA: 229] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Takeshi Komiyama
- Department
of Applied Chemistry, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Yasunori Minami
- Research
and Development Initiative, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Tamejiro Hiyama
- Research
and Development Initiative, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
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9
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Tao J, Wang Z. Nickel‐Catalyzed Cross‐Coupling of (Hetero)aryl Chlorides with Aryllithium Compounds. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600045] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jian‐Long Tao
- CAS Key Laboratory of Soft Matter Chemistry and Department of ChemistryUniversity of Science and Technology of China Hefei Anhui 230026 People's Republic of China
| | - Zhong‐Xia Wang
- CAS Key Laboratory of Soft Matter Chemistry and Department of ChemistryUniversity of Science and Technology of China Hefei Anhui 230026 People's Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 People's Republic of China
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10
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Vila C, Cembellín S, Hornillos V, Giannerini M, Fañanás-Mastral M, Feringa BL. tBuLi-Mediated One-Pot Direct Highly Selective Cross-Coupling of Two Distinct Aryl Bromides. Chemistry 2015; 21:15520-4. [PMID: 26356873 DOI: 10.1002/chem.201502709] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Indexed: 11/06/2022]
Abstract
A Pd-catalyzed direct cross-coupling of two distinct aryl bromides mediated by tBuLi is described. The use of [Pd-PEPPSI-IPr] or [Pd-PEPPSI-IPent] as catalyst allows for the efficient one-pot synthesis of unsymmetrical biaryls at room temperature. The key for this selective cross-coupling is the use of an ortho-substituted bromide that undergoes lithium-halogen exchange preferentially.
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Affiliation(s)
- Carlos Vila
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen (The Netherlands), Fax: (+31) 50-363-4278.,Present address: Departament de Química Orgànica, Facultat de Química, Universitat de València, Dr. Moliner 50, 46100 Burjassot, València (Spain)
| | - Sara Cembellín
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen (The Netherlands), Fax: (+31) 50-363-4278
| | - Valentín Hornillos
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen (The Netherlands), Fax: (+31) 50-363-4278
| | - Massimo Giannerini
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen (The Netherlands), Fax: (+31) 50-363-4278
| | - Martín Fañanás-Mastral
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen (The Netherlands), Fax: (+31) 50-363-4278.,Present address: Department of Organic Chemistry and Center for Research in Biological Chemistry and Molecular Materials (CIQUS), University of Santiago de Compostela, 15782 Santiago de Compostela (Spain)
| | - Ben L Feringa
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen (The Netherlands), Fax: (+31) 50-363-4278.
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11
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Maity PK, Faisal S, Rolfe A, Stoianova D, Hanson PR. Silica-Supported Oligomeric Benzyl Phosphate (Si-OBP) and Triazole Phosphate (Si-OTP) Alkylating Reagents. J Org Chem 2015; 80:9942-50. [PMID: 26430955 PMCID: PMC4848109 DOI: 10.1021/acs.joc.5b01456] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The syntheses of silica-supported oligomeric benzyl phosphates (Si-OBP(n)) and triazole phosphates (Si-OTP(n)) using ring-opening metathesis polymerization (ROMP) for use as efficient alkylating reagents is reported. Ease of synthesis and grafting onto the surface of norbornenyl-tagged (Nb-tagged) silica particles has been demonstrated for benzyl phosphate and triazole phosphate monomers. It is shown that these silica polymer hybrid reagents, Si-OBP(n) and Si-OTP(n), can be used to carry out alkylation reactions with an array of different nucleophiles to afford the corresponding benzylated and (triazolyl)methylated products in good yield and high purity.
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Affiliation(s)
- Pradip K. Maity
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS 66045-7582, United States, and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034-Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, Kansas 66047, United States
| | - Saqib Faisal
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS 66045-7582, United States, and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034-Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, Kansas 66047, United States
| | - Alan Rolfe
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS 66045-7582, United States, and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034-Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, Kansas 66047, United States
| | | | - Paul R. Hanson
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS 66045-7582, United States, and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034-Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, Kansas 66047, United States
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12
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Kumar R, Hoshimoto Y, Yabuki H, Ohashi M, Ogoshi S. Nickel(0)-Catalyzed Enantio- and Diastereoselective Synthesis of Benzoxasiloles: Ligand-Controlled Switching from Inter- to Intramolecular Aryl-Transfer Process. J Am Chem Soc 2015; 137:11838-45. [DOI: 10.1021/jacs.5b07827] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
| | | | | | | | - Sensuke Ogoshi
- Advanced
Catalytic Transformation Program for Carbon Utilization (ACT-C), Japan Science and Technology Agency (JST), Suita, Osaka 565-0871, Japan
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13
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2013. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.09.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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14
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Vilaró M, Nieto J, La Parra JR, Almeida MR, Ballesteros A, Planas A, Arsequell G, Valencia G. Tuning transthyretin amyloidosis inhibition properties of iododiflunisal by combinatorial engineering of the nonsalicylic ring substitutions. ACS COMBINATORIAL SCIENCE 2015; 17:32-8. [PMID: 25394203 DOI: 10.1021/co5001234] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Two series of iododiflunisal and diflunisal analogues have been obtained by using a two step sequential reaction solution-phase parallel synthesis. The synthesis combined an aqueous Suzuki-Miyaura cross-coupling and a mild electrophilic aromatic iodination step using a new polymer-supported iodonium version of Barluenga's reagent. From a selected set of 77 noniodinated and 77 iodinated diflunisal analogues, a subset of good transthyretin amyloid inhibitors has been obtained with improved turbidimetry inhibition constants, high binding affinity to transthyretin, and good selectivity for TTR compared to other thyroxine binding proteins.
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Affiliation(s)
- Maria Vilaró
- Unit
of Glycoconjugate Chemistry, I.Q.A.C.-C.S.I.C., 08034 Barcelona, Spain
| | - Joan Nieto
- Laboratory
of Biochemistry, Institut Químic de Sarrià, Universitat Ramon Llull, 08022 Barcelona, Spain
| | - Juan Ramón La Parra
- Laboratory
of Biochemistry, Institut Químic de Sarrià, Universitat Ramon Llull, 08022 Barcelona, Spain
| | - Maria Rosário Almeida
- IBMC-Instituto
de Biologia Molecular e Celular and ICBAS-Instituto de Ciências
Biomédicas de Abel Salazar, Universidade do Porto, 4150-180 Porto, Portugal
| | - Alfredo Ballesteros
- Instituto
Universitario de Química Organometálica “Enrique
Moles”, Universidad de Oviedo, 33071 Oviedo, Spain
| | - Antoni Planas
- Laboratory
of Biochemistry, Institut Químic de Sarrià, Universitat Ramon Llull, 08022 Barcelona, Spain
| | - Gemma Arsequell
- Unit
of Glycoconjugate Chemistry, I.Q.A.C.-C.S.I.C., 08034 Barcelona, Spain
| | - Gregorio Valencia
- Unit
of Glycoconjugate Chemistry, I.Q.A.C.-C.S.I.C., 08034 Barcelona, Spain
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15
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Hoshimoto Y, Yabuki H, Kumar R, Suzuki H, Ohashi M, Ogoshi S. Highly Efficient Activation of Organosilanes with η2-Aldehyde Nickel Complexes: Key for Catalytic Syntheses of Aryl-, Vinyl-, and Alkynyl-Benzoxasiloles. J Am Chem Soc 2014; 136:16752-5. [DOI: 10.1021/ja510089c] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
| | | | | | | | | | - Sensuke Ogoshi
- Advanced
Catalytic Transformation program for Carbon utilization (ACT-C), JST, Suita, Osaka 565-0871, Japan
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16
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Vila C, Hornillos V, Giannerini M, Fañanás-Mastral M, Feringa BL. Palladium-catalysed direct cross-coupling of organolithium reagents with aryl and vinyl triflates. Chemistry 2014; 20:13078-83. [PMID: 25214364 DOI: 10.1002/chem.201404398] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Indexed: 11/10/2022]
Abstract
A palladium-catalysed cross-coupling of organolithium reagents with aryl and vinyl triflates is presented. The reaction proceeds at 50 or 70 °C with short reaction times, and the corresponding products are obtained with moderate to high yields, with a variety of alkyl and (hetero)aryl lithium reagents.
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Affiliation(s)
- Carlos Vila
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen (The Netherlands), Fax: (+31) 50-363-4278
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17
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Nguyen MH, Smith AB. Recyclable polystyrene-supported siloxane-transfer agent for palladium-catalyzed cross-coupling reactions. Org Lett 2014; 16:2070-3. [PMID: 24661113 PMCID: PMC3993864 DOI: 10.1021/ol5007086] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The rational design, synthesis, and validation of a significantly improved insoluble polymer-supported siloxane-transfer agent has been achieved that permits efficient palladium-catalyzed cross-coupling reactions. The cross-linked polystyrene support facilitates product purification with excellent siloxane recycling. Drawbacks of a previous polymer-supported siloxane-transfer agent, relating to reaction efficiency and polymer stability after repeated cycles, have been addressed.
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Affiliation(s)
- Minh H Nguyen
- Department of Chemistry, Laboratory for Research on the Structure of Matter and Monell Chemical Senses Center, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States
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Lin X, Ye X, Sun X, Zhang Y, Gao L, Song Z. [1,5]-Anion relay via intramolecular proton transfer to generate 3,3-bis(silyl) allyloxy lithium: a useful scaffold for syn-addition to aldehydes and ketones. Org Lett 2014; 16:1084-7. [PMID: 24499418 DOI: 10.1021/ol4036402] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A [1,5]-anion relay has been achieved in 3,3-bis(silyl) benzyl enol ether. Deprotonation at the sterically more accessible benzyl position triggers an intramolecular proton transfer to generate the thermodynamically more stable 3,3-bis(silyl) allyloxy lithium. This endo-oriented allyl anion is stable at -78 °C and undergoes diastereoselective syn-addition at the γ-position with aldehydes and ketones to give monobenzyl-substituted 1,2-diols.
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Affiliation(s)
- Xinglong Lin
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy, ‡State Key Laboratory of Biotherapy, West China Hospital, Sichuan University , Chengdu 610041, P. R. China
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19
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Sun C, Zhang Y, Xiao P, Li H, Sun X, Song Z. Intramolecular [1,4]-S- to O-silyl migration: a useful strategy for synthesizing Z-silyl enol ethers with diverse thioether linkages. Org Lett 2014; 16:984-7. [PMID: 24467633 DOI: 10.1021/ol403709g] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
An intramolecular [1,4]-S- to O-silyl migration has been used to form silyl enol ethers with Z-configurational control. The silyl migration also creates a new anion center at sulfur, which can subsequently react with electrophiles to generate Z-silyl enol ethers with diverse thioether linkages. The synthetic utility of this pathway was demonstrated by modifying the Z-silyl enol ethers with aldehydes via a Mukaiyama aldol reaction or Prins cyclization to generate functionalized organosulfur compounds.
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Affiliation(s)
- Changzhen Sun
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy, and ‡State Key Laboratory of Biotherapy, West China Hospital, Sichuan University , Chengdu 610041, P. R. China
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20
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Minami Y, Shimizu K, Tsuruoka C, Komiyama T, Hiyama T. Synthesis of HOMSi Reagents by Pd/Cu-Catalyzed Silylation of Bromoarenes with Disilanes. CHEM LETT 2014. [DOI: 10.1246/cl.130919] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yasunori Minami
- Research and Development Initiative, Chuo University
- JST, ACT-C
| | | | | | | | - Tamejiro Hiyama
- Research and Development Initiative, Chuo University
- JST, ACT-C
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Vila C, Giannerini M, Hornillos V, Fañanás-Mastral M, Feringa BL. Palladium-catalysed direct cross-coupling of secondary alkyllithium reagents. Chem Sci 2014. [DOI: 10.1039/c3sc53047g] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Giannerini M, Hornillos V, Vila C, Fañanás-Mastral M, Feringa BL. Hindered Aryllithium Reagents as Partners in Palladium-Catalyzed Cross-Coupling: Synthesis of Tri- and Tetra-ortho-Substituted Biaryls under Ambient Conditions. Angew Chem Int Ed Engl 2013; 52:13329-33. [DOI: 10.1002/anie.201306427] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 08/22/2013] [Indexed: 11/06/2022]
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23
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Giannerini M, Hornillos V, Vila C, Fañanás-Mastral M, Feringa BL. Hindered Aryllithium Reagents as Partners in Palladium-Catalyzed Cross-Coupling: Synthesis of Tri- and Tetra-ortho-Substituted Biaryls under Ambient Conditions. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201306427] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Nguyen MH, Smith AB. Copper-catalyzed electrophilic amination of organolithiums mediated by recoverable siloxane transfer agents. Org Lett 2013; 15:4872-5. [PMID: 24000819 DOI: 10.1021/ol4023084] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The development and validation of copper-catalyzed, electrophilic amination of aryl and heteroaryl organolithiums with N,N-dialkyl-O-benzoylhydroxylamines have been achieved exploiting recoverable siloxane transfer agents. Given the ready availability of organolithium compounds, the mild reaction conditions, the ease of product purification, and the ready recovery of the siloxane transfer agents, this transformation comprises a useful tactic to access diverse aryl and heteroaryl amines.
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Affiliation(s)
- Minh H Nguyen
- Department of Chemistry, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States
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