1
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Bakry A, Yadav P, Chen SYE, Luscombe CK. The unexpected fast polymerization during the synthesis of a glycolated polythiophene. Faraday Discuss 2024; 250:74-82. [PMID: 37994514 DOI: 10.1039/d3fd00146f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
Conjugated polymers with ethylene glycol side chains are emerging as ideal materials for bioelectronics, particularly for application in organic electrochemical transistors (OECTs). To improve the OECT device performance, it is important to develop an efficient synthetic strategy that will provide access to novel high-performing materials besides focusing on molecular design. While a lot of efforts are being devoted to designing of new polymers by modifying the glycol side chains, understanding how their nature affects the polymerization kinetics and eventually the polymer structure and properties is not known. In this work, we have studied the influence of the content of the ethylene glycol side chain and its linkage on the formation of the active Grignard monomer species upon Grignard metathesis in three thiophene derivatives. A strong dependence of the monomer's concentration on polymerization was noted in our study indicating that for synthesizing P3MEEMT, a high-performing OECT material, by Kumada catalyst transfer polymerization (KCTP) a minimum of 0.15 M monomer is needed. Furthermore, kinetic studies by GPC show uncontrolled polymerization behavior contrary to the controlled chain growth characteristics of the KCTP.
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Affiliation(s)
- Abdulrahman Bakry
- pi-Conjugated Polymers Unit, Okinawa Institute of Science and Technology Graduate University, Kunigami-gun, Okinawa 9040495, Japan.
| | - Preeti Yadav
- pi-Conjugated Polymers Unit, Okinawa Institute of Science and Technology Graduate University, Kunigami-gun, Okinawa 9040495, Japan.
| | - Shin-Ya Emerson Chen
- Molecular Engineering and Sciences Institute, University of Washington, Seattle, WA 98195, USA
| | - Christine K Luscombe
- pi-Conjugated Polymers Unit, Okinawa Institute of Science and Technology Graduate University, Kunigami-gun, Okinawa 9040495, Japan.
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2
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Burtea A, DeForest J, Baldwin N, Leverett C, Gallego GM. A convenient and versatile S NAr-decarboxylation protocol for the construction of C(sp 2)-C(sp 3) bonds. Chem Commun (Camb) 2022; 58:7435-7438. [PMID: 35699115 DOI: 10.1039/d2cc01551j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Increasing saturation (Fsp3) remains a central strategy in the optimization of properties of molecules during drug discovery. Here, we describe a versatile and operationally simple one-pot procedure for accomplishing this goal via a nucleophilic aromatic substitution-decarboxylation sequence to construct C(sp2)-C(sp3) bonds. The method is tolerant of a variety of biologically privileged moieties and has been demonstrated in a library format.
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Affiliation(s)
- Alexander Burtea
- Oncology Medicinal Chemistry, Pfizer Worldwide Research, Development and Medical, 10770 Science Center Drive, San Diego, CA 92121, USA.
| | - Jacob DeForest
- Oncology Medicinal Chemistry, Pfizer Worldwide Research, Development and Medical, 10770 Science Center Drive, San Diego, CA 92121, USA.
| | - Neil Baldwin
- Pfizer Medicine Design, 445 Eastern Point Rd, Groton, CT 06340, USA
| | - Carolyn Leverett
- Pfizer Medicine Design, 445 Eastern Point Rd, Groton, CT 06340, USA
| | - Gary M Gallego
- Oncology Medicinal Chemistry, Pfizer Worldwide Research, Development and Medical, 10770 Science Center Drive, San Diego, CA 92121, USA.
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3
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Wang Z, Li JY, Huang T, Li HM, Zhang T. A Cu-based metal-organic framework with two types of connecting nodes as catalyst for oxygen activation. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.06.058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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4
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Fujii I, Semba K, Nakao Y. The Kumada–Tamao–Corriu Coupling Reaction Catalyzed by Rhodium–Aluminum Bimetallic Complexes. Org Lett 2022; 24:3075-3079. [DOI: 10.1021/acs.orglett.2c01060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ikuya Fujii
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Kazuhiko Semba
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Yoshiaki Nakao
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
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5
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Zhang X, Qi D, Jiao C, Liu X, Zhang G. Nickel-catalyzed deaminative Sonogashira coupling of alkylpyridinium salts enabled by NN 2 pincer ligand. Nat Commun 2021; 12:4904. [PMID: 34385455 PMCID: PMC8361081 DOI: 10.1038/s41467-021-25222-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 07/27/2021] [Indexed: 11/09/2022] Open
Abstract
Alkynes are amongst the most valuable functional groups in organic chemistry and widely used in chemical biology, pharmacy, and materials science. However, the preparation of alkyl-substituted alkynes still remains elusive. Here, we show a nickel-catalyzed deaminative Sonogashira coupling of alkylpyridinium salts. Key to the success of this coupling is the development of an easily accessible and bench-stable amide-type pincer ligand. This ligand allows naturally abundant alkyl amines as alkylating agents in Sonogashira reactions, and produces diverse alkynes in excellent yields under mild conditions. Salient merits of this chemistry include broad substrate scope and functional group tolerance, gram-scale synthesis, one-pot transformation, versatile late-stage derivatizations as well as the use of inexpensive pre-catalyst and readily available substrates. The high efficiency and strong practicability bode well for the widespread applications of this strategy in constructing functional molecules, materials, and fine chemicals. Alkynes are amongst the most valuable functional groups in organic chemistry, however, the preparation of alkyl-substituted alkynes still remains elusive. Here the authors show a nickel-catalyzed deaminative Sonogashira coupling of alkylpyridinium salts.
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Affiliation(s)
- Xingjie Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, China.
| | - Di Qi
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, China
| | - Chenchen Jiao
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, China
| | - Xiaopan Liu
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, China
| | - Guisheng Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, China.
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6
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Greaves ME, Ronson TO, Maseras F, Nelson DJ. The Effect of Added Ligands on the Reactions of [Ni(COD)(dppf)] with Alkyl Halides: Halide Abstraction May Be Reversible. Organometallics 2021; 40:1997-2007. [PMID: 34295014 PMCID: PMC8288641 DOI: 10.1021/acs.organomet.1c00280] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Indexed: 11/28/2022]
Abstract
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The reactions of
dppf-nickel(0) with alkyl halides proceed via
three-coordinate nickel(0) intermediates of the form [Ni(dppf)(L)].
The effects of the identity of the added ligand (L) on catalyst speciation
and the rates of reactions of [Ni(COD)(dppf)] with alkyl halides have
been investigated using kinetic experiments and density functional
theory calculations. A series of monodentate ligands have been investigated
in attempts to identify trends in reactivity. Sterically bulky and
electron-donating ligands are found to decrease the reaction rate.
It was found that (i) the halide abstraction step is not always irreversible
and the subsequent recombination of a nickel(I) complex with an alkyl
halide can have a significant effect on the overall rate of the reaction
and (ii) some ligands lead to very stable [Ni(dppf)(L)2] species. The yields of prototypical (dppf)nickel-catalyzed Kumada
cross-coupling reactions of alkyl halides are significantly improved
by the addition of free ligands, which provides another important
variable to consider when optimizing nickel-catalyzed reactions of
alkyl halides.
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Affiliation(s)
- Megan E Greaves
- WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, Scotland.,Chemical Development, Pharmaceutical Technology and Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Thomas O Ronson
- Chemical Development, Pharmaceutical Technology and Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Feliu Maseras
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, Tarragona 43007, Spain
| | - David J Nelson
- WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, Scotland
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7
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Jagtap RA, Ankade SB, Gonnade RG, Punji B. Achiral and chiral NNN-pincer nickel complexes with oxazolinyl backbones: application in transfer hydrogenation of ketones. NEW J CHEM 2021. [DOI: 10.1039/d1nj01698a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
NNN-based achiral and chiral (oxazolinyl)amido-pincer nickel complexes are developed and employed for the catalytic transfer hydrogenation of ketones.
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Affiliation(s)
- Rahul A. Jagtap
- Organometallic Synthesis and Catalysis Lab
- Chemical Engineering Division
- CSIR–National Chemical Laboratory (CSIR–NCL)
- Dr Homi Bhabha Road
- Pune – 411 008
| | - Shidheshwar B. Ankade
- Organometallic Synthesis and Catalysis Lab
- Chemical Engineering Division
- CSIR–National Chemical Laboratory (CSIR–NCL)
- Dr Homi Bhabha Road
- Pune – 411 008
| | - Rajesh G. Gonnade
- Centre for Material Characterization
- CSIR–National Chemical Laboratory
- Pune – 411 008
- India
| | - Benudhar Punji
- Organometallic Synthesis and Catalysis Lab
- Chemical Engineering Division
- CSIR–National Chemical Laboratory (CSIR–NCL)
- Dr Homi Bhabha Road
- Pune – 411 008
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8
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Rahimi N, Zargarian D. Cationic tetra- and pentacoordinate complexes of nickel based on POCN- and POCOP-type pincer ligands: synthesis, characterization, and ligand exchange studies. NEW J CHEM 2021. [DOI: 10.1039/d1nj01355f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The closely related pincer ligands POCN and POCOP display different electron donating properties and different degrees of resistance to ligand exchange reactions proceeding via cationic reaction intermediates.
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Affiliation(s)
- Naser Rahimi
- Département de chimie, Université de Montréal, Montréal (Québec), H3C 3J7, Canada
| | - Davit Zargarian
- Département de chimie, Université de Montréal, Montréal (Québec), H3C 3J7, Canada
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9
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Mousa AH, Chakrabarti K, Isapour G, Bendix J, Wendt OF. Enhancing the Stability of Aromatic PCN Pincer Nickel Complexes by Incorporation of Pyridine as the Nitrogen Side Arm. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000727] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Abdelrazek H. Mousa
- Centre for Analysis and Synthesis Department of Chemistry Lund University P. O. Box 124 221 00 Lund Sweden
| | - Kaushik Chakrabarti
- Centre for Analysis and Synthesis Department of Chemistry Lund University P. O. Box 124 221 00 Lund Sweden
| | - Ghodsieh Isapour
- Centre for Analysis and Synthesis Department of Chemistry Lund University P. O. Box 124 221 00 Lund Sweden
| | - Jesper Bendix
- Department of Chemistry University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - Ola F. Wendt
- Centre for Analysis and Synthesis Department of Chemistry Lund University P. O. Box 124 221 00 Lund Sweden
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10
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Abstract
The mechanism studies of transition-metal-catalyzed reductive coupling reactions
investigated using Density Functional Theory calculations in the recent ten years have been
reviewed. This review introduces the computational mechanism studies of Ni-, Pd-, Cu- and
some other metals (Rh, Ti and Zr)-catalyzed reductive coupling reactions and presents the
methodology used in these computational mechanism studies. The mechanisms of the transition-
metal-catalyzed reductive coupling reactions normally include three main steps: oxidative
addition; transmetalation; and reductive elimination or four main steps: the first oxidative
addition; reduction; the second oxidative addition; and reductive elimination. The ratelimiting
step is most likely the final reductive elimination step in the whole mechanism.
Currently, the B3LYP method used in DFT calculations is the most popular choice in the structural geometry
optimizations and the M06 method is often used to carry out single-point calculations to refine the energy values.
We hope that this review will stimulate more and more experimental and computational combinations and the
computational chemistry will significantly contribute to the development of future organic synthesis reactions.
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Affiliation(s)
- Yuling Wang
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China
| | - Qinghua Ren
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China
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11
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Wollnitzke P, Essig S, Gölz JP, von Schwarzenberg K, Menche D. Total Synthesis of Ajudazol A by a Modular Oxazole Diversification Strategy. Org Lett 2020; 22:6344-6348. [DOI: 10.1021/acs.orglett.0c02188] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Philipp Wollnitzke
- Kekulé-Institute for Organic Chemistry and Biochemistry, University of Bonn, Gerhard-Domagk-Strasse 1, D-53121 Bonn, Germany
| | - Sebastian Essig
- Kekulé-Institute for Organic Chemistry and Biochemistry, University of Bonn, Gerhard-Domagk-Strasse 1, D-53121 Bonn, Germany
| | - Jan Philipp Gölz
- Kekulé-Institute for Organic Chemistry and Biochemistry, University of Bonn, Gerhard-Domagk-Strasse 1, D-53121 Bonn, Germany
| | - Karin von Schwarzenberg
- Department of Pharmacy-Center for Drug Research, Ludwig-Maximilians-University of Munich, Butenandtstrasse 5-13, D-83177 Munich, Germany
| | - Dirk Menche
- Kekulé-Institute for Organic Chemistry and Biochemistry, University of Bonn, Gerhard-Domagk-Strasse 1, D-53121 Bonn, Germany
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12
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Nimmagadda SK, Korapati S, Dasgupta D, Malik NA, Vinodini A, Gangu AS, Kalidindi S, Maity P, Bondigela SS, Venu A, Gallagher WP, Aytar S, González-Bobes F, Vaidyanathan R. Development and Execution of an Ni(II)-Catalyzed Reductive Cross-Coupling of Substituted 2-Chloropyridine and Ethyl 3-Chloropropanoate. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00134] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Sri Krishna Nimmagadda
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Satish Korapati
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Debottam Dasgupta
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Noormohamed Abdul Malik
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Arun Vinodini
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Aravind S. Gangu
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Srinivas Kalidindi
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Prantik Maity
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Siva Sankar Bondigela
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - Alla Venu
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
| | - William P. Gallagher
- Chemical Process Development, Bristol-Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Selin Aytar
- Chemical Process Development, Bristol-Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Francisco González-Bobes
- Chemical Process Development, Bristol-Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Rajappa Vaidyanathan
- Chemical Development and API Supply, Biocon Bristol-Myers Squibb Research and Development Center, Biocon Park, Jigani Link Road, Bommasandra IV, Bangalore-560 099, India
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13
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Zhu Z, Liu J, Dong S, Chen B, Wang Z, Tang R, Li Z. Copper‐Catalyzed Cross‐Coupling of Benzylic Bromides with Arylboronic Acids: Synthesis of Diarylalkanes and Preliminary Antifungal Evaluation Against
Magnaporthe Grisea. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zhu Zhu
- Department of Applied Chemistry College of Materials and EnergySouth China Agricultural University Guangzhou 510642 P. R. China
| | - Jinggong Liu
- Orthopedics DepartmentGuangdong Provincial Hospital of Traditional Chinese Medicine The Second Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou 510120 P. R. China
| | - Shoucheng Dong
- Department of Applied Chemistry College of Materials and EnergySouth China Agricultural University Guangzhou 510642 P. R. China
| | - Bolai Chen
- Orthopedics DepartmentGuangdong Provincial Hospital of Traditional Chinese Medicine The Second Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou 510120 P. R. China
| | - Zhenghui Wang
- Department of Applied Chemistry College of Materials and EnergySouth China Agricultural University Guangzhou 510642 P. R. China
| | - Ri‐yuan Tang
- Department of Applied Chemistry College of Materials and EnergySouth China Agricultural University Guangzhou 510642 P. R. China
- Key Laboratory of Natural Pesticide & Chemical Biology Ministry of EducationSouth China Agricultural University Guangzhou 510642 P. R. China
| | - Zhaodong Li
- Department of Applied Chemistry College of Materials and EnergySouth China Agricultural University Guangzhou 510642 P. R. China
- Key Laboratory of Natural Pesticide & Chemical Biology Ministry of EducationSouth China Agricultural University Guangzhou 510642 P. R. China
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14
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Shi Y, Zhang M, Liu L, Bai X, Yuan H, Alsulami H, Kutbi MA, Yang J. Fabrication of hierarchical MnxOy@SiO2@C-Ni nanowires for enhanced catalytic performance. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124211] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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15
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Lapointe S, Khaskin E, Fayzullin RR, Khusnutdinova JR. Nickel(II) Complexes with Electron-Rich, Sterically Hindered PNP Pincer Ligands Enable Uncommon Modes of Ligand Dearomatization. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00558] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Sébastien Lapointe
- Coordination Chemistry and Catalysis Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
| | - Eugene Khaskin
- Coordination Chemistry and Catalysis Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
| | - Robert R. Fayzullin
- Arbuzov Institute of Organic and Physical Chemistry, FCR Kazan Scientific Center, Russian Academy of Sciences, 8 Arbuzov Street, Kazan 420088, Russian Federation
| | - Julia R. Khusnutdinova
- Coordination Chemistry and Catalysis Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
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16
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Bis-pyrazolyl-s-triazine Ni(II) pincer complexes as selective gram positive antibacterial agents; synthesis, structural and antimicrobial studies. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.05.103] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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17
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Groendyke BJ, Modak A, Cook SP. Fenton-Inspired C-H Functionalization: Peroxide-Directed C-H Thioetherification. J Org Chem 2019; 84:13073-13091. [PMID: 31524395 PMCID: PMC7423317 DOI: 10.1021/acs.joc.9b01979] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Substoichiometric iron mediates the thioetherification of unactivated aliphatic C-H bonds directed by resident silylperoxides. Upon exposure to a catalytic amount of iron(II) triflate, TIPS-protected peroxides bearing primary, secondary, and tertiary C-H sites undergo chemoselective thioetherification of remote C-H bonds with diaryl disulfides. The reaction demonstrates a broad substrate scope and functional group tolerance without the use of any noble metal additives. Mechanistic experiments suggest that the reaction proceeds through 1,5-H atom abstraction by a hydroxyl radical generated with iron.
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Affiliation(s)
- Brian J. Groendyke
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405-7102, United States
| | - Atanu Modak
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405-7102, United States
| | - Silas P. Cook
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405-7102, United States
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18
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Yan Z, Sun B, Zhang X, Zhuang X, Yang J, Su W, Jin C. Construction of C(sp 2 )-C(sp 3 ) Bond between Quinoxalin-2(1H)-ones and N-Hydroxyphthalimide Esters via Photocatalytic Decarboxylative Coupling. Chem Asian J 2019; 14:3344-3349. [PMID: 31432590 DOI: 10.1002/asia.201900904] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/14/2019] [Indexed: 12/12/2022]
Abstract
A novel visible-light-driven decarboxylative coupling of alkyl N-hydroxyphthalimide esters (NHP esters) with quinoxalin-2(1H)-ones has been developed. This C(sp2 )-C(sp3 ) bond-forming transformation exhibits excellent substrate generality with respect to both the coupling partners. Of note, a series of 3-primary alkyl-substituted quinoxalin-2(1H)-ones that were difficult to synthesize by previous methods could be obtained in moderate to excellent yields. Additionally, the mild conditions, easy availability of substrates, wide functional group tolerance and operational simplicity make this protocol practical in the synthesis of 3-alkylated quinoxalin-2(1H)-ones.
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Affiliation(s)
- Zhiyang Yan
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Bin Sun
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Xun Zhang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Xiaohui Zhuang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Jin Yang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Weike Su
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, 310014, P. R. China.,College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Can Jin
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
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19
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González-Sebastián L, Morales-Morales D. Cross-coupling reactions catalysed by palladium pincer complexes. A review of recent advances. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.04.021] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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20
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Shi R, Zhang Z, Hu X. Nickamine and Analogous Nickel Pincer Catalysts for Cross-Coupling of Alkyl Halides and Hydrosilylation of Alkenes. Acc Chem Res 2019; 52:1471-1483. [PMID: 31008581 DOI: 10.1021/acs.accounts.9b00118] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Ligand development plays an essential role in the advance of homogeneous catalysis. Tridentate, meridionally coordinating ligands, commonly termed pincer ligands, have been established as a privileged class of ligands in catalysis because they confer high stability while maintaining electronic tenability to the resulting metal complexes. Pincer ligands containing "soft" donors such as phosphines are typically used for late transition-metal ions, which are considered "soft" acids. Driven by our interest to develop base-metal catalysis and in view of the "hard" character of base-metal ions, our group explored a pincer ligand containing only "hard" nitrogen donors. A prototypical nickel complex of this ligand, "Nickamine", turned out to be an efficient catalyst in a wide range of organic reactions. Because of its propensity to mediate single-electron redox chemistry, Nickamine is particularly suited to catalyze cross-coupling of nonactivated alkyl halides through radical pathways. These coupling partners have been challenging substrates for traditional, palladium-based catalysts because of difficult oxidative addition and nonproductive β-H elimination. The high activity of Nickamine for cross-coupling leads to high chemoselectivity and functional group tolerance, even when reactive Grignard reagents are employed as nucleophiles. The scope of the catalysis is broad and encompasses sp3-sp3, sp3-sp2, and sp3-sp cross-coupling. The defined nature of Nickamine facilitated the mechanistic study of cross-coupling reactions. Experiments involving radical-probe substrates, presumed intermediates and dormant species, kinetics, and density functional theory computations revealed a bimetallic oxidative addition pathway. In this pathway, two Ni centers each provide one electron to support the two-electron activation of an alkyl halide substrate. The success of Nickamine motivated our systematic structure-activity studies aiming at improved activity in certain reactions through ligand modification. Indeed, better catalysts have been developed for cross-coupling of secondary alkyl halides as well as direct alkynylation of alkyl halides. The improvement is attributed to a more accessible Ni center in the new catalysts than in Nickamine. Surprisingly, the improvement could be obtained simply by replacing a dimethyl amino group in Nickamine with a pyrrolidino group. During the study of the catalytic cycle of Nickamine in cross-coupling reactions, we synthesized the corresponding Ni-H species. Consequently, we explored the catalytic application of Nickamine in Ni-H mediated reactions, such as hydrosilylation. To our delight, Nickamine is a chemoselective catalyst for hydrosilylation of alkenes while tolerating a reactive C=O group. An analogous Ni pincer complex was found to catalyze unusual hydrosilylation reactions using alkoxy hydrosilanes as surrogates of gaseous silanes.
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Affiliation(s)
- Renyi Shi
- Laboratory of Inorganic Synthesis and Catalysis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), BCH 3305, Lausanne 1015, Switzerland
| | - Zhikun Zhang
- Laboratory of Inorganic Synthesis and Catalysis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), BCH 3305, Lausanne 1015, Switzerland
| | - Xile Hu
- Laboratory of Inorganic Synthesis and Catalysis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), BCH 3305, Lausanne 1015, Switzerland
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21
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Chen H, Sun S, Liao X. Nickel-Catalyzed Decarboxylative Alkenylation of Anhydrides with Vinyl Triflates or Halides. Org Lett 2019; 21:3625-3630. [PMID: 31062981 DOI: 10.1021/acs.orglett.9b01048] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Decarboxylative cross-coupling of aliphatic acid anhydrides with vinyl triflates or halides was accomplished via nickel catalysis. This methodology works well with a broad array of substrates and features abundant functional group tolerance. Notably, our approach addresses the issue of safe and environmental installation of methyl or ethyl group into molecular scaffolds. The method possesses high chemoselectivity toward alkyl groups when aliphatic/aromatic mixed anhydrides are involved. Furthermore, diverse ketones could be modified with our strategy.
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Affiliation(s)
- Hui Chen
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Beijing Advanced Innovation Center for Structural Biology , Tsinghua University , Beijing 100084 , China
| | - Shuhao Sun
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Beijing Advanced Innovation Center for Structural Biology , Tsinghua University , Beijing 100084 , China
| | - Xuebin Liao
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Beijing Advanced Innovation Center for Structural Biology , Tsinghua University , Beijing 100084 , China
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22
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Sinha N, Champagne PA, Rodriguez MJ, Lu Y, Kopach ME, Mitchell D, Organ MG. One-Pot Sequential Kumada-Tamao-Corriu Couplings of (Hetero)Aryl Polyhalides in the Presence of Grignard-Sensitive Functional Groups Using Pd-PEPPSI-IPent Cl. Chemistry 2019; 25:6508-6512. [PMID: 30972856 DOI: 10.1002/chem.201901150] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Indexed: 11/10/2022]
Abstract
We report a general and rapid chemoselective Kumada-Tamao-Corriu (KTC) cross-coupling of aryl bromides in the presence of chlorides or triflates with functionalized Grignard reagents at 0 °C in 15 min by using Pd-PEPPSI-IPentCl (C4). Nucleophiles and electrophiles (or both) can contain Grignard-sensitive functional groups (-CN, -COOR, etc.). Control experiments together with DFT calculations suggest that transmetallation is rate limiting for the selective cross-coupling of Br in the presence of Cl/OTf with functionalized Grignard reagents. One-pot sequential KTC/KTC cross-couplings with bromo-chloro arenes have been demonstrated for the first time. We also report the one-pot sequential KTC/Negishi cross-couplings using C4 showcasing the versatility of this methodology.
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Affiliation(s)
- Narayan Sinha
- Department of Chemistry, York University, 4700 Keele Street, Toronto, Ontario, M3J 1P3, Canada.,Centre for Catalysis Research and Innovation (CCRI), and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada
| | - Pier Alexandre Champagne
- Centre for Catalysis Research and Innovation (CCRI), and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada
| | | | - Yu Lu
- Lilly Research Laboratories, Indianapolis, IN, 46285, USA
| | | | - David Mitchell
- Lilly Research Laboratories, Indianapolis, IN, 46285, USA
| | - Michael G Organ
- Department of Chemistry, York University, 4700 Keele Street, Toronto, Ontario, M3J 1P3, Canada.,Centre for Catalysis Research and Innovation (CCRI), and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada
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23
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Wang L, Wei YM, Zhao Y, Duan XF. Unified Protocol for Fe-Based Catalyzed Biaryl Cross-Couplings between Various Aryl Electrophiles and Aryl Grignard Reagents. J Org Chem 2019; 84:5176-5186. [DOI: 10.1021/acs.joc.9b00151] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Lei Wang
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Yi-Ming Wei
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Yan Zhao
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Xin-Fang Duan
- College of Chemistry, Beijing Normal University, Beijing 100875, China
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24
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Lapointe S, Khaskin E, Fayzullin RR, Khusnutdinova JR. Stable Nickel(I) Complexes with Electron-Rich, Sterically-Hindered, Innocent PNP Pincer Ligands. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00026] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sébastien Lapointe
- Okinawa Institute of Science and Technology Graduate University, Coordination Chemistry and Catalysis Unit, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
| | - Eugene Khaskin
- Okinawa Institute of Science and Technology Graduate University, Coordination Chemistry and Catalysis Unit, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
| | - Robert R. Fayzullin
- Arbuzov Institute of Organic and Physical Chemistry, FCR Kazan Scientific Center, Russian Academy of Sciences, 8 Arbuzov Street, Kazan 420088, Russian Federation
| | - Julia R. Khusnutdinova
- Okinawa Institute of Science and Technology Graduate University, Coordination Chemistry and Catalysis Unit, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
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25
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Gupta S, Dubey P, Singh AK, Jain N. Oxidative C–C bond formation and C–N bond cleavage catalyzed by complexes of copper(i) with acridine based (E N E) pincers (E = S/Se), recyclable as a catalyst. Dalton Trans 2019; 48:10129-10137. [DOI: 10.1039/c9dt01766f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Structurally characterized 1 mol% Cu(i)-complexes efficiently catalyze the coupling of tertiary amines with terminal alkynes and C–N bond cleavage.
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Affiliation(s)
- Sonu Gupta
- Department of Chemistry
- Indian Institute of Technology
- Delhi
- New Delhi 110016
- India
| | - Pooja Dubey
- Department of Chemistry
- Indian Institute of Technology
- Delhi
- New Delhi 110016
- India
| | - Ajai K. Singh
- Department of Chemistry
- Indian Institute of Technology
- Delhi
- New Delhi 110016
- India
| | - Nidhi Jain
- Department of Chemistry
- Indian Institute of Technology
- Delhi
- New Delhi 110016
- India
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26
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Zhang R, Zhao Y, Liu KM, Duan XF. Phenolate Enabled General and Selective Fe/Ti Cocatalyzed Biaryl Cross-Couplings between Aryl Halides and Aryl Grignard Reagents. Org Lett 2018; 20:7942-7946. [DOI: 10.1021/acs.orglett.8b03513] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rui Zhang
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Yan Zhao
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Kun-Ming Liu
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Xin-Fang Duan
- College of Chemistry, Beijing Normal University, Beijing 100875, China
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27
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Kurisu N, Asano E, Hatayama Y, Kurihara Y, Hashimoto T, Funatsu K, Ueda K, Yamaguchi Y. A β-Diketiminato-Based Pincer-Type Nickel(II) Complex: Synthesis and Catalytic Performance in the Cross-Coupling of Aryl Fluorides with Aryl Grignard Reagents. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201801179] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Nobutaka Kurisu
- Department of Advanced Materials Chemistry; Graduate School of Engineering; Yokohama National University; 79-5 Tokiwadai 240-8501 Hodogaya-ku, Yokohama Japan
| | - Erika Asano
- Department of Advanced Materials Chemistry; Graduate School of Engineering; Yokohama National University; 79-5 Tokiwadai 240-8501 Hodogaya-ku, Yokohama Japan
| | - Yuki Hatayama
- Department of Advanced Materials Chemistry; Graduate School of Engineering; Yokohama National University; 79-5 Tokiwadai 240-8501 Hodogaya-ku, Yokohama Japan
| | - Youji Kurihara
- Department of Advanced Materials Chemistry; Graduate School of Engineering; Yokohama National University; 79-5 Tokiwadai 240-8501 Hodogaya-ku, Yokohama Japan
| | - Toru Hashimoto
- Department of Advanced Materials Chemistry; Graduate School of Engineering; Yokohama National University; 79-5 Tokiwadai 240-8501 Hodogaya-ku, Yokohama Japan
| | - Kei Funatsu
- Department of Advanced Materials Chemistry; Graduate School of Engineering; Yokohama National University; 79-5 Tokiwadai 240-8501 Hodogaya-ku, Yokohama Japan
| | - Kazuyoshi Ueda
- Department of Advanced Materials Chemistry; Graduate School of Engineering; Yokohama National University; 79-5 Tokiwadai 240-8501 Hodogaya-ku, Yokohama Japan
| | - Yoshitaka Yamaguchi
- Department of Advanced Materials Chemistry; Graduate School of Engineering; Yokohama National University; 79-5 Tokiwadai 240-8501 Hodogaya-ku, Yokohama Japan
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28
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Zhang A, Wang C, Lai X, Zhai X, Pang M, Tung CH, Wang W. Reactivity of the diphosphinodithio ligated nickel(0) complex toward alkyl halides and resultant nickel(i) and nickel(ii)-alkyl complexes. Dalton Trans 2018; 47:15757-15764. [PMID: 30351329 DOI: 10.1039/c8dt03188f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Diphosphinodithio ligated complexes of nickel(0), nickel(i) and nickel(ii)-alkyl with a reactivity relevant to the C-C bond formation were described. Stoichiometric reactions of the nickel(0) complex, [(P2S2)Ni] ([1]0, P2S2 = (Ph2PC6H4CH2S)2(C2H4)), with alkyl halides (RX) such as C6H5CH2Br, C2H3CH2Br, C2H5I and (CH3)2CHI were investigated, from which the products were found to be highly dependent on the nature of RX used. Oxidative addition of C2H3CH2Br to [1]0 provides the stable Ni(ii)-alkyl complexes [1-allyl]+. The reaction of [1]0 with C6H5CH2Br proceeds through a radical pathway resulting in the formation of the nickel(i) complex [1]+ and an organic homo-coupled product 1,2-diphenylethane. Oxidative addition of C2H5I or (CH3)2CHI to [1]0 can be achieved but it competes with the halogen atom abstraction reaction as found for C6H5CH2Br. [1]0 was shown to be an active catalyst for the coupling reactions of primary halides and alkyl Grignard reagents.
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Affiliation(s)
- Ailing Zhang
- Key Lab for Colloid and Interface Chemistry of Education Ministry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, PR China.
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29
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Muratov K, Kuchuk E, Vellalath S, Afanasyev OI, Moskovets AP, Denisov G, Chusov D. Formal reductive addition of acetonitrile to aldehydes and ketones. Org Biomol Chem 2018; 16:7693-7701. [PMID: 30288533 DOI: 10.1039/c8ob01992d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
An efficient and highly productive rhodium-catalyzed method for the synthesis of nitriles employing aldehydes or ketones, methyl cyanoacetate, water and carbon monoxide as starting materials has been developed. Simple rhodium chloride without any ligands can be used. The fine tuning of the substrate can lead to the activity higher than 5000 TON.
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Affiliation(s)
- Karim Muratov
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Ekaterina Kuchuk
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Sreekumar Vellalath
- Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76798, USA
| | - Oleg I Afanasyev
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Alexei P Moskovets
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Gleb Denisov
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Denis Chusov
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
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30
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Barré B, Gonnard L, Guérinot A, Cossy J. Cobalt-Catalyzed (Hetero)arylation of Saturated Cyclic Amines with Grignard Reagents. Molecules 2018; 23:molecules23061449. [PMID: 29904007 PMCID: PMC6099817 DOI: 10.3390/molecules23061449] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 06/06/2018] [Accepted: 06/07/2018] [Indexed: 11/16/2022] Open
Abstract
(Hetero)aryl substituted saturated cyclic amines are ubiquitous scaffolds in biologically active molecules. Metal-catalyzed cross-couplings between halogeno N-heterocycles and organometallic species are efficient and modular reactions to access these attractive scaffolds. An overview of our work concerning the cobalt-catalyzed arylation of iodo-substituted cyclic amines is presented.
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Affiliation(s)
- Baptiste Barré
- Laboratoire de Chimie Organique, Institute of Chemistry, Biology and Innovation (CBI)-UMR 8231 ESPCI Paris, CNRS, PSL Research University 10, rue Vauquelin 75231 Paris CEDEX 05, France.
| | - Laurine Gonnard
- Laboratoire de Chimie Organique, Institute of Chemistry, Biology and Innovation (CBI)-UMR 8231 ESPCI Paris, CNRS, PSL Research University 10, rue Vauquelin 75231 Paris CEDEX 05, France.
| | - Amandine Guérinot
- Laboratoire de Chimie Organique, Institute of Chemistry, Biology and Innovation (CBI)-UMR 8231 ESPCI Paris, CNRS, PSL Research University 10, rue Vauquelin 75231 Paris CEDEX 05, France.
| | - Janine Cossy
- Laboratoire de Chimie Organique, Institute of Chemistry, Biology and Innovation (CBI)-UMR 8231 ESPCI Paris, CNRS, PSL Research University 10, rue Vauquelin 75231 Paris CEDEX 05, France.
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31
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Sousa e Silva FC, Bloomer BJ, Wengryniuk SE. Reactivity of (NNN)-pincer nickel(II) aryl complex towards oxidative carbon-heteroatom bond formation. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.04.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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32
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Chen C, Liu P, Luo M, Zeng X. Kumada Arylation of Secondary Amides Enabled by Chromium Catalysis for Unsymmetric Ketone Synthesis under Mild Conditions. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01380] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Changpeng Chen
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Pei Liu
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
| | - Meiming Luo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiaoming Zeng
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
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33
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Lambert AE, Carrick JD. Diversification of 6‐bromo‐2‐substituted Pyridine Derivatives
via
Suzuki‐Miyaura Cross‐Coupling. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3144] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Abigail E. Lambert
- Department of Chemistry Tennessee Technological University 55 University Drive Cookeville TN 38505‐0001 USA
| | - Jesse D. Carrick
- Department of Chemistry Tennessee Technological University 55 University Drive Cookeville TN 38505‐0001 USA
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34
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35
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Hasche P, Joksch M, Vlachopoulou G, Agarwala H, Spannenberg A, Beweries T. Synthesis of Symmetric and Nonsymmetric NiII
Thiophosphinito PECSP (E = S, O) Pincer Complexes and Their Applications in Kumada Coupling under Mild Conditions. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201701442] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Patrick Hasche
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock; Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Markus Joksch
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock; Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Georgia Vlachopoulou
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock; Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Hemlata Agarwala
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock; Albert-Einstein-Str. 29a 18059 Rostock Germany
- Laboratoire de Chimie des Processus Biologiques; Collège de France; 11 Place Marcelin Berthelot 75005 Paris France
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock; Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Torsten Beweries
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock; Albert-Einstein-Str. 29a 18059 Rostock Germany
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36
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Pandiri H, Gonnade RG, Punji B. Synthesis of quinolinyl-based pincer copper(ii) complexes: an efficient catalyst system for Kumada coupling of alkyl chlorides and bromides with alkyl Grignard reagents. Dalton Trans 2018; 47:16747-16754. [DOI: 10.1039/c8dt03210f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Well-defined quinolinamide-based pincer copper complexes have been developed and demonstrated in the Kumada coupling reaction of nonactivated alkyl chlorides and bromides with alkyl magnesium chloride.
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Affiliation(s)
- Hanumanprasad Pandiri
- Organometallic Synthesis and Catalysis Group
- Chemical Engineering Division
- India
- Academy of Scientific and Innovative Research (AcSIR)
- New Delhi 110 020
| | - Rajesh G. Gonnade
- Centre for Material Characterization. CSIR–National Chemical Laboratory (CSIR–NCL)
- Pune – 411 008
- India
| | - Benudhar Punji
- Organometallic Synthesis and Catalysis Group
- Chemical Engineering Division
- India
- Academy of Scientific and Innovative Research (AcSIR)
- New Delhi 110 020
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37
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Recent Advances in the Synthesis of Piperidines: Functionalization of Preexisting Ring Systems. ADVANCES IN HETEROCYCLIC CHEMISTRY 2018. [DOI: 10.1016/bs.aihch.2017.10.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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38
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Li S, Wang B, Dong G, Li C, Liu H. Cobalt-catalyzed C(sp3)–H/C(sp2)–H oxidative coupling between alkanes and benzamides. RSC Adv 2018; 8:13454-13458. [PMID: 35542514 PMCID: PMC9079668 DOI: 10.1039/c8ra01377b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 03/29/2018] [Indexed: 11/21/2022] Open
Abstract
A direct cobalt-catalyzed oxidative coupling between C(sp2)–H in unactivated benzamides and C(sp3)–H in simple alkanes, ethers and toluene derivatives was explored.
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Affiliation(s)
- Shuangjie Li
- School of Pharmacy
- China Pharmaceutical University
- Nanjing
- China
- State Key Laboratory of Drug Research
| | - Bao Wang
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai
- China
| | - Guangyu Dong
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai
- China
| | - Chunpu Li
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai
- China
| | - Hong Liu
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai
- China
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39
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Wang J, Meng G, Xie K, Li L, Sun H, Huang Z. Mild and Efficient Ni-Catalyzed Biaryl Synthesis with Polyfluoroaryl Magnesium Species: Verification of the Arrest State, Uncovering the Hidden Competitive Second Transmetalation and Ligand-Accelerated Highly Selective Monoarylation. ACS Catal 2017. [DOI: 10.1021/acscatal.7b02618] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Junya Wang
- Innovative Research Center of Medicine,
Key Laboratory of Macromolecular Science of Shaanxi Province, Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education,
School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Ge Meng
- Innovative Research Center of Medicine,
Key Laboratory of Macromolecular Science of Shaanxi Province, Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education,
School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Kun Xie
- Innovative Research Center of Medicine,
Key Laboratory of Macromolecular Science of Shaanxi Province, Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education,
School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Liting Li
- Innovative Research Center of Medicine,
Key Laboratory of Macromolecular Science of Shaanxi Province, Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education,
School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Huaming Sun
- Innovative Research Center of Medicine,
Key Laboratory of Macromolecular Science of Shaanxi Province, Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education,
School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Zhiyan Huang
- Innovative Research Center of Medicine,
Key Laboratory of Macromolecular Science of Shaanxi Province, Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education,
School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
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40
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Omer HM, Liu P. Computational Study of Ni-Catalyzed C-H Functionalization: Factors That Control the Competition of Oxidative Addition and Radical Pathways. J Am Chem Soc 2017; 139:9909-9920. [PMID: 28664728 DOI: 10.1021/jacs.7b03548] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The mechanisms of Ni-catalyzed C-H arylation, alkylation, and sulfenylation with N,N-bidentate directing groups are investigated using density functional theory (DFT) calculations. While the C-H cleavage occurs via the concerted metalation-deprotonation (CMD) mechanism in all types of reactions, the subsequent C-C and C-X bond formation steps may occur via either oxidative addition to form a Ni(IV) intermediate or radical pathways involving Ni(III) complexes generated from homolytic dissociation of disulfides/peroxides or halide-atom transfer from alkyl halides. DFT calculations revealed that radical mechanisms are preferred in reactions with sterically hindered coupling partners with relatively low bond dissociation energies (BDE) such as dicumyl peroxide, heptafluoroisopropyl iodide and diphenyl disulfide. In contrast, these radical processes are highly disfavored when generating unstable phenyl and primary alkyl radicals. In such cases, the reaction proceeds via an oxidative addition/reductive elimination mechanism involving a Ni(IV) intermediate. These theoretical insights into the substrate-controlled mechanisms in the C-H functionalizations were employed to investigate a number of experimental phenomena including substituent effects on reactivity, chemo- and regioselectivity and the effects of oxidant in the intermolecular oxidative C-H/C-H coupling reactions.
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Affiliation(s)
- Humair M Omer
- Department of Chemistry, University of Pittsburgh , Pittsburgh, Pennsylvania 15260, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh , Pittsburgh, Pennsylvania 15260, United States
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41
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Zweig JE, Kim DE, Newhouse TR. Methods Utilizing First-Row Transition Metals in Natural Product Total Synthesis. Chem Rev 2017; 117:11680-11752. [PMID: 28525261 DOI: 10.1021/acs.chemrev.6b00833] [Citation(s) in RCA: 136] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
First-row transition-metal-mediated reactions constitute an important and growing area of research due to the low cost, low toxicity, and exceptional synthetic versatility of these metals. Currently, there is considerable effort to replace existing precious-metal-catalyzed reactions with first-row analogs. More importantly, there are a plethora of unique transformations mediated by first-row metals, which have no classical second- or third-row counterpart. Herein, the application of first-row metal-mediated methods to the total synthesis of natural products is discussed. This Review is intended to highlight strategic uses of these metals to realize efficient syntheses and highlight the future potential of these reagents and catalysts in organic synthesis.
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Affiliation(s)
- Joshua E Zweig
- Department of Chemistry, Yale University , 275 Prospect Street, New Haven, Connecticut 06520-8107, United States
| | - Daria E Kim
- Department of Chemistry, Yale University , 275 Prospect Street, New Haven, Connecticut 06520-8107, United States
| | - Timothy R Newhouse
- Department of Chemistry, Yale University , 275 Prospect Street, New Haven, Connecticut 06520-8107, United States
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42
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Suzuki N, Hofstra JL, Poremba KE, Reisman SE. Nickel-Catalyzed Enantioselective Cross-Coupling of N-Hydroxyphthalimide Esters with Vinyl Bromides. Org Lett 2017; 19:2150-2153. [PMID: 28375631 PMCID: PMC5868419 DOI: 10.1021/acs.orglett.7b00793] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
An enantioselective Ni-catalyzed cross-coupling of N-hydroxyphthalimide esters with vinyl bromides is reported. The reaction proceeds under mild conditions and uses tetrakis(N,N-dimethylamino)ethylene as a terminal organic reductant. Good functional group tolerance is demonstrated, with over 20 examples of reactions that proceed with >90% ee.
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Affiliation(s)
| | | | - Kelsey E. Poremba
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
| | - Sarah E. Reisman
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
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43
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Sandfort F, O'Neill MJ, Cornella J, Wimmer L, Baran PS. Alkyl-(Hetero)Aryl Bond Formation via Decarboxylative Cross-Coupling: A Systematic Analysis. Angew Chem Int Ed Engl 2017; 56:3319-3323. [PMID: 28185368 DOI: 10.1002/anie.201612314] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Indexed: 12/30/2022]
Abstract
Suzuki, Negishi, and Kumada couplings are some of the most important reactions for the formation of skeletal C-C linkages. Their widespread use to forge bonds between two aromatic rings has enabled every branch of chemical science. The analogous union between alkyl halides and metallated aryl systems has not been as widely employed due to the lack of commercially available halide building blocks. Redox-active esters have recently emerged as useful surrogates for alkyl halides in cross-coupling chemistry. Such esters are easily accessible through reactions between ubiquitous carboxylic acids and coupling agents widely used in amide bond formation. This article features an amalgamation of in-house experience bolstered by approximately 200 systematically designed experiments to accelerate the selection of ideal reaction conditions and activating agents for the cross-coupling of primary, secondary, and tertiary alkyl carboxylic acids with both aryl and heteroaryl organometallic species.
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Affiliation(s)
- Frederik Sandfort
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Matthew J O'Neill
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Josep Cornella
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Laurin Wimmer
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Phil S Baran
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
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44
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Sandfort F, O'Neill MJ, Cornella J, Wimmer L, Baran PS. Alkyl−(Hetero)Aryl Bond Formation via Decarboxylative Cross-Coupling: A Systematic Analysis. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201612314] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Frederik Sandfort
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
| | - Matthew J. O'Neill
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
| | - Josep Cornella
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
| | - Laurin Wimmer
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
| | - Phil S. Baran
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
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45
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Spicer CD, Booth MA, Mawad D, Armgarth A, Nielsen CB, Stevens MM. Synthesis of Hetero-bifunctional, End-Capped Oligo-EDOT Derivatives. Chem 2017; 2:125-138. [PMID: 28149959 PMCID: PMC5268340 DOI: 10.1016/j.chempr.2016.12.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 11/09/2016] [Accepted: 12/09/2016] [Indexed: 11/17/2022]
Abstract
Conjugated oligomers of 3,4-ethylenedioxythiophene (EDOT) are attractive materials for tissue engineering applications and as model systems for studying the properties of the widely used polymer poly(3,4-ethylenedioxythiophene). We report here the facile synthesis of a series of keto-acid end-capped oligo-EDOT derivatives (n = 2-7) through a combination of a glyoxylation end-capping strategy and iterative direct arylation chain extension. Importantly, these structures not only represent the longest oligo-EDOTs reported but are also bench stable, in contrast to previous reports on such oligomers. The constructs reported here can undergo subsequent derivatization for integration into higher-order architectures, such as those required for tissue engineering applications. The synthesis of hetero-bifunctional constructs, as well as those containing mixed-monomer units, is also reported, allowing further complexity to be installed in a controlled manner. Finally, we describe the optical and electrochemical properties of these oligomers and demonstrate the importance of the keto-acid in determining their characteristics.
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Affiliation(s)
- Christopher D. Spicer
- Departments of Materials and Bioengineering, Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Marsilea A. Booth
- Departments of Materials and Bioengineering, Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Damia Mawad
- Departments of Materials and Bioengineering, Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Astrid Armgarth
- Departments of Materials and Bioengineering, Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Christian B. Nielsen
- Materials Research Institute and School of Biological and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK
| | - Molly M. Stevens
- Departments of Materials and Bioengineering, Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
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46
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Ramakrishna V, Dastagiri Reddy N. Synthesis of zwitterionic palladium complexes and their application as catalysts in cross-coupling reactions of aryl, heteroaryl and benzyl bromides with organoboron reagents in neat water. Dalton Trans 2017. [DOI: 10.1039/c7dt01433c] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Imidazolium substituted quinoxaline based zwitterionic Pd(ii) complexes were synthesized and found to be excellent catalysts for carrying out Suzuki–Miyaura cross-coupling reactions in neat water.
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Affiliation(s)
- V. Ramakrishna
- Department of Chemistry
- Pondicherry University
- Pondicherry 605014
- India
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47
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Yan M, Lo JC, Edwards JT, Baran PS. Radicals: Reactive Intermediates with Translational Potential. J Am Chem Soc 2016; 138:12692-12714. [PMID: 27631602 PMCID: PMC5054485 DOI: 10.1021/jacs.6b08856] [Citation(s) in RCA: 667] [Impact Index Per Article: 83.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Indexed: 02/08/2023]
Abstract
This Perspective illustrates the defining characteristics of free radical chemistry, beginning with its rich and storied history. Studies from our laboratory are discussed along with recent developments emanating from others in this burgeoning area. The practicality and chemoselectivity of radical reactions enable rapid access to molecules of relevance to drug discovery, agrochemistry, material science, and other disciplines. Thus, these reactive intermediates possess inherent translational potential, as they can be widely used to expedite scientific endeavors for the betterment of humankind.
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Affiliation(s)
- Ming Yan
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Julian C. Lo
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Jacob T. Edwards
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Phil S. Baran
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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48
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Di Franco T, Stojanovic M, Keller SC, Scopelliti R, Hu X. A Structure-Activity Study of Nickel NNN Pincer Complexes for Alkyl-AlkylKumadaandSuzuki-MiyauraCoupling Reactions. Helv Chim Acta 2016. [DOI: 10.1002/hlca.201600165] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Thomas Di Franco
- Laboratory of Inorganic Synthesis and Catalysis; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne (EPFL); CH-1015 Lausanne
| | - Marko Stojanovic
- Laboratory of Inorganic Synthesis and Catalysis; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne (EPFL); CH-1015 Lausanne
| | - Sébastien Carlos Keller
- Laboratory of Inorganic Synthesis and Catalysis; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne (EPFL); CH-1015 Lausanne
| | - Rosario Scopelliti
- Laboratory of Inorganic Synthesis and Catalysis; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne (EPFL); CH-1015 Lausanne
| | - Xile Hu
- Laboratory of Inorganic Synthesis and Catalysis; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne (EPFL); CH-1015 Lausanne
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49
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Hua X, Masson-Makdissi J, Sullivan RJ, Newman SG. Inherent vs Apparent Chemoselectivity in the Kumada–Corriu Cross-Coupling Reaction. Org Lett 2016; 18:5312-5315. [DOI: 10.1021/acs.orglett.6b02631] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- XiYe Hua
- Centre for Catalysis Research
and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie, Ottawa, Ontario, Canada, K1N
6N5
| | - Jeanne Masson-Makdissi
- Centre for Catalysis Research
and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie, Ottawa, Ontario, Canada, K1N
6N5
| | - Ryan J. Sullivan
- Centre for Catalysis Research
and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie, Ottawa, Ontario, Canada, K1N
6N5
| | - Stephen G. Newman
- Centre for Catalysis Research
and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie, Ottawa, Ontario, Canada, K1N
6N5
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50
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Peshkov RY, Wang C, Panteleeva EV, Tretyakov EV, Shteingarts VD. Synthesis of 4-(ω-X-alkyl)benzonitriles (X = 1,3-dioxan-2-yl, CN, CO2Et) by the reaction of terephthalonitrile dianion with ω-X-alkyl bromides in liquid ammonia. Russ Chem Bull 2016. [DOI: 10.1007/s11172-016-1602-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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