1
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Dinuclear Reactivity of One Metal Exalted by the Second One. TOP ORGANOMETAL CHEM 2023. [DOI: 10.1007/3418_2022_80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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2
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Qi SL, Liu YP, Li Y, Luan YX, Ye M. Ni-catalyzed hydroarylation of alkynes with unactivated β-C(sp 2)-H bonds. Nat Commun 2022; 13:2938. [PMID: 35618702 PMCID: PMC9135730 DOI: 10.1038/s41467-022-30367-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 04/28/2022] [Indexed: 12/26/2022] Open
Abstract
Hydroarylation of alkynes with unactivated C(sp2)-H bonds via chelated C-H metalation mainly occurs at γ-position to the coordinating atom of directing groups via stable 5-membered metallacycles, while β-C(sp2)-H bond-involved hydroarylation has been a formidable challenge. Herein, we used a phosphine oxide-ligated Ni-Al bimetallic catalyst to enable β-C-H bond-involved hydroarylations of alkynes via a rare 7-membered nickelacycle.
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Affiliation(s)
- Shao-Long Qi
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yu-Peng Liu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yi Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yu-Xin Luan
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Mengchun Ye
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China. .,Haihe Laboratory of Sustainable Chemical Transformations, Tianjin, 300192, China.
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3
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Chen H, Gao L, Liu X, Wang G, Li S. B(C
6
F
5
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3
‐Catalyzed Hydroarylation of Aryl Alkynes for the Synthesis of 1,1‐Diaryl and Triaryl Substituted Alkenes. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Hui Chen
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education Institute of Theoretical and Computational Chemistry School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 P.R. China
| | - Liuzhou Gao
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education Institute of Theoretical and Computational Chemistry School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 P.R. China
| | - Xueting Liu
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education Institute of Theoretical and Computational Chemistry School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 P.R. China
| | - Guoqiang Wang
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education Institute of Theoretical and Computational Chemistry School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 P.R. China
| | - Shuhua Li
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education Institute of Theoretical and Computational Chemistry School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 P.R. China
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4
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Liu R, Zhang T, Huang B, Cai M. Recyclable and reusable PdCl 2(PPh 3) 2/PEG-400/H 2O system for the hydrophenylation of alkynes with sodium tetraphenylborate. JOURNAL OF CHEMICAL RESEARCH 2020. [DOI: 10.1177/1747519820934379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A stable and efficient PdCl2(PPh3)2/PEG-400/H2O catalytic system for the hydrophenylation reaction of alkynes has been developed. In the presence of 3 mol% PdCl2(PPh3)2 and 2 equiv. of HOAc, the hydrophenylation of both terminal and internal alkynes with sodium tetraphenylborate proceeded smoothly in a mixture of PEG-400 and water at room temperature or 50 °C to afford a variety of phenyl-substituted alkenes in moderate to high yields. The isolation of the products was easily performed by extraction with petroleum ether, and the PdCl2(PPh3)2/PEG-400/H2O system could be readily recycled and reused six times without apparent loss of catalytic activity.
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Affiliation(s)
- Rong Liu
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and Department of Chemistry, Jiangxi Normal University, Nanchang, P.R. China
| | - Tingli Zhang
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and Department of Chemistry, Jiangxi Normal University, Nanchang, P.R. China
| | - Bin Huang
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and Department of Chemistry, Jiangxi Normal University, Nanchang, P.R. China
| | - Mingzhong Cai
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and Department of Chemistry, Jiangxi Normal University, Nanchang, P.R. China
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5
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Li T, Liu C, Wu S, Chen C, Zhu B. Rhodium(iii)-catalyzed unreactive C(sp 3)-H alkenylation of N-alkyl-1H-pyrazoles with alkynes. Org Biomol Chem 2019; 17:7679-7683. [PMID: 31386754 DOI: 10.1039/c9ob01531k] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The first example of pyrazole-directed rhodium(iii)-catalyzed unreactive C(sp3)-H alkenylation with alkynes has been described, which showed a relatively broad substrate scope with good functional group compatibility. Moreover, we demonstrated that the transitive coordinating center pyrazole could be easily removed under mild conditions.
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Affiliation(s)
- Tongyu Li
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, College of Chemistry, Tianjin Normal University, Tianjin 300387, P. R. China.
| | - Chang Liu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, College of Chemistry, Tianjin Normal University, Tianjin 300387, P. R. China.
| | - Shaonan Wu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, College of Chemistry, Tianjin Normal University, Tianjin 300387, P. R. China.
| | - Chen Chen
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, College of Chemistry, Tianjin Normal University, Tianjin 300387, P. R. China.
| | - Bolin Zhu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, College of Chemistry, Tianjin Normal University, Tianjin 300387, P. R. China.
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6
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Lee YH, Morandi B. Palladium‐Catalyzed Intermolecular Aryliodination of Internal Alkynes. Angew Chem Int Ed Engl 2019; 58:6444-6448. [DOI: 10.1002/anie.201812396] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Yong Ho Lee
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
- Laboratorium für Organische ChemieETH Zürich Vladimir-Prelog-Weg 3, HCI 8093 Zürich Switzerland
| | - Bill Morandi
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
- Laboratorium für Organische ChemieETH Zürich Vladimir-Prelog-Weg 3, HCI 8093 Zürich Switzerland
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7
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Lee YH, Morandi B. Palladium‐katalysierte intermolekulare Aryliodierung von internen Alkinen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812396] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yong Ho Lee
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
- Laboratorium für Organische ChemieETH Zürich Vladimir-Prelog-Weg 3, HCI 8093 Zürich Schweiz
| | - Bill Morandi
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
- Laboratorium für Organische ChemieETH Zürich Vladimir-Prelog-Weg 3, HCI 8093 Zürich Schweiz
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8
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Affiliation(s)
- Yuanyuan Hu
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function CAS Research/Education Center for Excellence in Molecular Sciences; Institute of Chemistry Chinese Academy of Sciences; Beijing 100190 P.R. China
- University of Chinese Academy of Sciences; Beijing 100049 P.R. China
| | - Congyang Wang
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function CAS Research/Education Center for Excellence in Molecular Sciences; Institute of Chemistry Chinese Academy of Sciences; Beijing 100190 P.R. China
- University of Chinese Academy of Sciences; Beijing 100049 P.R. China
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9
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Schroeter F, Císařová I, Soellner J, Herdtweck E, Strassner T. Electron-poor hemilabile dicationic palladium NHC complexes - synthesis, structure and catalytic activity. Dalton Trans 2018; 47:16638-16650. [PMID: 30421765 DOI: 10.1039/c8dt03373k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
We present a new class of dicationic palladium NHC complexes with two carbene ligands bearing different aryl substituents and a hemilabile pyrimidyl group. They can either be synthesized from the imidazolium salts via the silver transmetalation route to a halide-free palladium(ii) precursor or by direct deprotonation by palladium acetate. For four complexes we could determine their solid-state structures by X-ray diffraction experiments. Insight gained by NMR spectroscopy and DFT calculations revealed that in solution the two potentially bidentate ligands interchange between chelating and non-chelating coordination modes. The preference of these coordination modes is governed by the steric influence of the different ligands. The complexes were shown to be active catalysts for the hydroarylation of alkynes, and their performance was rationalized by DFT calculations.
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Affiliation(s)
- Felix Schroeter
- Fakultät Chemie und Lebensmittelchemie, TU Dresden, 01062 Dresden, Germany.
| | - Ivana Císařová
- Charles University Prague, Department of Inorganic Chemistry, Hlavova 2030/8, 12843 Prague 2, Czech Republic
| | - Johannes Soellner
- Fakultät Chemie und Lebensmittelchemie, TU Dresden, 01062 Dresden, Germany.
| | - Eberhardt Herdtweck
- Molecular Catalysis, Catalysis Research Center and Department of Chemistry, Technische Universität München, Lichtenbergstraße 4, 85747 Garching bei München, Germany
| | - Thomas Strassner
- Fakultät Chemie und Lebensmittelchemie, TU Dresden, 01062 Dresden, Germany.
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10
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Li Z, Duan W. Palladium‐Catalyzed C−H Alkenylation of Arenes with Alkynes: Stereoselective Synthesis of Vinyl Chlorides via a 1,4‐Chlorine Migration. Angew Chem Int Ed Engl 2018; 57:16041-16045. [DOI: 10.1002/anie.201808866] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 09/25/2018] [Indexed: 12/27/2022]
Affiliation(s)
- Zhen Li
- College of Chemistry and Chemical EngineeringYangzhou University 180 Siwangting Road Yangzhou 225002 China
| | - Wei‐Liang Duan
- College of Chemistry and Chemical EngineeringYangzhou University 180 Siwangting Road Yangzhou 225002 China
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic ChemistryChinese Academy of Sciences Shanghai 200032 China
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11
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Li Z, Duan W. Palladium‐Catalyzed C−H Alkenylation of Arenes with Alkynes: Stereoselective Synthesis of Vinyl Chlorides via a 1,4‐Chlorine Migration. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808866] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zhen Li
- College of Chemistry and Chemical EngineeringYangzhou University 180 Siwangting Road Yangzhou 225002 China
| | - Wei‐Liang Duan
- College of Chemistry and Chemical EngineeringYangzhou University 180 Siwangting Road Yangzhou 225002 China
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic ChemistryChinese Academy of Sciences Shanghai 200032 China
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12
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13
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Affiliation(s)
- Chengming Wang
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Magnus Rueping
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
- King Abdullah University of Science and Technology (KAUST), KAUST, Catalysis Center (KCC); Thuwal 23955-6900 Saudi Arabia
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14
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Li XF, Zhang XG, Hu BL, Zhang XH. Palladium-catalyzed dimerization of N-aryl propargylamines for the synthesis of 3-vinylquinolines. Org Biomol Chem 2018; 16:1736-1744. [PMID: 29459926 DOI: 10.1039/c8ob00133b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A straightforward method for the synthesis of polyfunctionalized quinolines from readily available N-aryl propargylamines under aerobic conditions was developed. It provides convenient access to a variety of synthetically and pharmaceutically important quinolines in moderate to good yields. Control experiments suggest that the cascade reaction might proceed via the Pd-catalyzed electrophilic cyclization of N-aryl propargylamines followed by a hydroarylation process through trapping of the σ-quinolinylpalladium intermediate with a second molecule of the substrate.
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Affiliation(s)
- Xiao-Fang Li
- College of chemical and materials engineering, Wenzhou University, Wenzhou 325035, China.
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15
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Nagamoto M, Fukuda JI, Hatano M, Yorimitsu H, Nishimura T. Hydroxoiridium-Catalyzed Hydroarylation of Alkynes and Bicycloalkenes with N-Sulfonylbenzamides. Org Lett 2017; 19:5952-5955. [DOI: 10.1021/acs.orglett.7b02950] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Midori Nagamoto
- Department
of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Jun-ichi Fukuda
- Department
of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Miyuki Hatano
- Department
of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Hideki Yorimitsu
- Department
of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Takahiro Nishimura
- Department
of Chemistry, Graduate School of Science, Osaka City University, Sumiyoshi, Osaka 558-8585, Japan
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16
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Zhou X, Luo Y, Kong L, Xu Y, Zheng G, Lan Y, Li X. Cp*CoIII-Catalyzed Branch-Selective Hydroarylation of Alkynes via C–H Activation: Efficient Access to α-gem-Vinylindoles. ACS Catal 2017. [DOI: 10.1021/acscatal.7b02248] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xukai Zhou
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Yixin Luo
- School
of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, People’s Republic of China
| | - Lingheng Kong
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Youwei Xu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Guangfan Zheng
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Yu Lan
- School
of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, People’s Republic of China
| | - Xingwei Li
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
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17
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Kortman GD, Hull KL. Copper-Catalyzed Hydroarylation of Internal Alkynes: Highly Regio- and Diastereoselective Synthesis of 1,1-Diaryl, Trisubstituted Olefins. ACS Catal 2017. [DOI: 10.1021/acscatal.7b01847] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Gregory D. Kortman
- Department of Chemistry, University of Illinois at Urbana−Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Kami L. Hull
- Department of Chemistry, University of Illinois at Urbana−Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
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18
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Biafora A, Khan BA, Bahri J, Hewer JM, Goossen LJ. Doubly Regioselective C–H Hydroarylation of Unsymmetrical Alkynes Using Carboxylates as Deciduous Directing Groups. Org Lett 2017; 19:1232-1235. [DOI: 10.1021/acs.orglett.7b00300] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Agostino Biafora
- FB Chemie
und Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, Erwin-Schroedinger-Strasse Geb 52-54, 67663 Kaiserslautern, Germany
| | - Bilal A. Khan
- Department
of Chemistry, University of Azad Jammu and Kashmir, 13100 Muzaffarabad, AJK, Pakistan
| | - Janet Bahri
- Fakultät
für Chemie und Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, 44801 Bochum, Germany
| | - Joachim M. Hewer
- FB Chemie
und Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, Erwin-Schroedinger-Strasse Geb 52-54, 67663 Kaiserslautern, Germany
| | - Lukas J. Goossen
- Fakultät
für Chemie und Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, 44801 Bochum, Germany
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19
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Manikandan R, Jeganmohan M. Recent advances in the ruthenium(ii)-catalyzed chelation-assisted C–H olefination of substituted aromatics, alkenes and heteroaromatics with alkenes via the deprotonation pathway. Chem Commun (Camb) 2017; 53:8931-8947. [DOI: 10.1039/c7cc03213g] [Citation(s) in RCA: 142] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The transition-metal-catalyzed chelation-assisted alkenylation at the inert C–H bond of aromatics with alkenes is one of the efficient methods to synthesize substituted vinylarenes in a highly regio- and stereoselective manner.
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Affiliation(s)
- Rajendran Manikandan
- Department of Chemistry
- Indian Institute of Science Education and Research
- Pune 411021
- India
| | - Masilamani Jeganmohan
- Department of Chemistry
- Indian Institute of Science Education and Research
- Pune 411021
- India
- Department of Chemistry
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20
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Tsukada N, Goto T, Kato H. Direct β-Arylation of Furans with Aryl Iodides Catalyzed by Dinuclear Palladium Complexes. HETEROCYCLES 2017. [DOI: 10.3987/com-17-13824] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Nishikata T, Abela AR, Huang S, Lipshutz BH. Cationic Pd(II)-catalyzed C-H activation/cross-coupling reactions at room temperature: synthetic and mechanistic studies. Beilstein J Org Chem 2016; 12:1040-64. [PMID: 27340491 PMCID: PMC4902085 DOI: 10.3762/bjoc.12.99] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 04/28/2016] [Indexed: 11/23/2022] Open
Abstract
Cationic palladium(II) complexes have been found to be highly reactive towards aromatic C-H activation of arylureas at room temperature. A commercially available catalyst [Pd(MeCN)4](BF4)2 or a nitrile-free cationic palladium(II) complex generated in situ from the reaction of Pd(OAc)2 and HBF4, effectively catalyzes C-H activation/cross-coupling reactions between aryl iodides, arylboronic acids and acrylates under milder conditions than those previously reported. The nature of the directing group was found to be critical for achieving room temperature conditions, with the urea moiety the most effective in promoting facile coupling reactions at an ortho C-H position. This methodology has been utilized in a streamlined and efficient synthesis of boscalid, an agent produced on the kiloton scale annually and used to control a range of plant pathogens in broadacre and horticultural crops. Mechanistic investigations led to a proposed catalytic cycle involving three steps: (1) C-H activation to generate a cationic palladacycle; (2) reaction of the cationic palladacycle with an aryl iodide, arylboronic acid or acrylate, and (3) regeneration of the active cationic palladium catalyst. The reaction between a cationic palladium(II) complex and arylurea allowed the formation and isolation of the corresponding palladacycle intermediate, characterized by X-ray analysis. Roles of various additives in the stepwise process have also been studied.
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Affiliation(s)
- Takashi Nishikata
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, CA 93106, USA
| | - Alexander R Abela
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, CA 93106, USA
| | - Shenlin Huang
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, CA 93106, USA
| | - Bruce H Lipshutz
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, CA 93106, USA
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22
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Affiliation(s)
- Weiping Liu
- Institut
für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
| | - Lutz Ackermann
- Institut
für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
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23
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Minami Y, Hiyama T. Synthetic Transformations through Alkynoxy-Palladium Interactions and C-H Activation. Acc Chem Res 2016; 49:67-77. [PMID: 26651014 DOI: 10.1021/acs.accounts.5b00414] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Organic synthesis based on straightforward transformations is essential for environmentally benign manufacturing for the invention of novel pharmaceuticals, agrochemicals, and organoelectronic materials in order to ultimately realize a sustainable society. Metal-catalyzed C-H bond-cleaving functionalization has become a promising method for achieving the above goal. For site-selective C-H bond cleavage, so-called directing groups, i.e., ligands attached to substrates, are employed. Commonly utilized directing groups are carbonyls, imines, carboxyls, amides, and pyridyls, which σ-donate electron pairs to metals. On the other hand, unsaturated substrates such as alkenes and alkynes, which participate largely as reactants in organic synthesis, are prepared readily by a wide variety of synthetic transformations and are also employed as reactants in organometallic chemistry. Moreover, such unsaturated groups form complexes with some metals by ligation of their p orbitals via donation and back-donation. However, the use of unsaturated bonds as directing groups has not been studied extensively. We have been involved in the development of methods for the cleavage of C-H bonds by means of transition-metal catalysts to achieve new carbon-carbon bond-forming reactions and incidentally came to focus on the alkynoxy group (-OC≡C-), which shows a ketene-like resonance structure. We expected the alkynoxy group to interact electrophilically with a low-valent transition-metal complex in order to cleave adjacent C-H bonds. In this Account, we summarize our recent achievements on C-H activation based on interactions of palladium with the alkynoxy group in alkynyl aryl ethers. The alkynoxy group plays two roles in the transformation: as a directing group for adjacent C-H bond activation and as an acceptor for the carbon and hydrogen fragments. A typical example is palladium-catalyzed ortho-C-H bond activation in alkynoxyarenes followed by sequential insertion/annulation with internal alkynes and the alkynoxy group to produce 2-methylidene-2H-1-benzopyrans. Mechanistic studies have shown that the presence of both oxygen and alkynyl moieties is essential for selective ortho-C-H bond activation and subsequent annulation. In addition to internal alkynes, norbornene, allenes, isocyanates, and ketenes produce the corresponding oxacycles. It is worthy of note that benzoxadinones formed by the reaction with isocyanates exhibit solid-state luminescence. In addition, 2-methylphenyl alkynyl ethers and 2-alkynoxybiaryls undergo intramolecular annulation at the benzylic γ-position and aryl δ-position via C-H bond activation to give benzofurans and dibenzopyrans, respectively. The disclosed methods allow us to construct useful π-conjugated systems in a straightforward manner.
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Affiliation(s)
- 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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24
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Lang J, Cayir M, Walg SP, Di Martino-Fumo P, Thiel WR, Niedner-Schatteburg G. Intermetallic Competition in the Fragmentation of Trimetallic Au-Zn-Alkali Complexes. Chemistry 2016; 22:2345-55. [PMID: 26785330 DOI: 10.1002/chem.201504093] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Johannes Lang
- Fachbereich Chemie and Forschungszentrum OPTIMAS; Technische Universität Kaiserslautern; 67663 Kaiserslautern Germany
| | - Merve Cayir
- Fachbereich Chemie and Forschungszentrum OPTIMAS; Technische Universität Kaiserslautern; 67663 Kaiserslautern Germany
| | - Simon P. Walg
- Fachbereich Chemie and Forschungszentrum OPTIMAS; Technische Universität Kaiserslautern; 67663 Kaiserslautern Germany
| | - Patrick Di Martino-Fumo
- Fachbereich Chemie and Forschungszentrum OPTIMAS; Technische Universität Kaiserslautern; 67663 Kaiserslautern Germany
| | - Werner R. Thiel
- Fachbereich Chemie and Forschungszentrum OPTIMAS; Technische Universität Kaiserslautern; 67663 Kaiserslautern Germany
| | - Gereon Niedner-Schatteburg
- Fachbereich Chemie and Forschungszentrum OPTIMAS; Technische Universität Kaiserslautern; 67663 Kaiserslautern Germany
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25
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Maki Y, Goto T, Tsukada N. Selective β-Arylation of Thiophenes with Aryl Iodides Catalyzed by Dinuclear Palladium Carboxylate Complexes. ChemCatChem 2016. [DOI: 10.1002/cctc.201501132] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yohei Maki
- Department of Chemistry; Graduate School of Science; Shizuoka University; Suruga-ku Ohya 836 Shizuoka 422-8529 Japan
| | - Takahiro Goto
- Department of Chemistry; Graduate School of Science; Shizuoka University; Suruga-ku Ohya 836 Shizuoka 422-8529 Japan
| | - Naofumi Tsukada
- Department of Chemistry; Graduate School of Science; Shizuoka University; Suruga-ku Ohya 836 Shizuoka 422-8529 Japan
- Research Institute of Green Science and Technology; Shizuoka University; Suruga-ku Ohya 836 Shizuoka 422-8529 Japan
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26
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Wang S, Hou JT, Feng ML, Zhang XZ, Chen SY, Yu XQ. Cobalt(iii)-catalyzed alkenylation of arenes and 6-arylpurines with terminal alkynes: efficient access to functional dyes. Chem Commun (Camb) 2016; 52:2709-12. [DOI: 10.1039/c5cc09707j] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A method for cobalt(iii)-catalyzed alkenylation of arenes and 6-arylpurines has been developed. This reaction takes place under mild conditions with only equivalent terminal alkynes in high yields. A mitochondria-targeted imaging dye was simply prepared through this method.
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Affiliation(s)
- Shan Wang
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Ji-Ting Hou
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Mei-Lin Feng
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Xiao-Zhuan Zhang
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Shan-Yong Chen
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Xiao-Qi Yu
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
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27
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Hara T, Fujita N, Ichikuni N, Wilson K, Lee AF, Shimazu S. Hydrophenylation of internal alkynes with boronic acids catalysed by a Ni–Zn hydroxy double salt-intercalated anionic rhodium(iii) complex. Catal Sci Technol 2016. [DOI: 10.1039/c5cy01139f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
[Rh(OH)6]3− intercalated Ni–Zn mixed basic salt (Rh/NiZn) acts as an efficient catalyst for the hydrophenylation of internal alkynes with arylboronic acids under mild conditions.
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Affiliation(s)
- Takayoshi Hara
- Department of Applied Chemistry and Biotechnology
- Graduate School of Engineering
- Chiba University
- Inage
- Japan
| | - Nozomi Fujita
- Department of Applied Chemistry and Biotechnology
- Graduate School of Engineering
- Chiba University
- Inage
- Japan
| | - Nobuyuki Ichikuni
- Department of Applied Chemistry and Biotechnology
- Graduate School of Engineering
- Chiba University
- Inage
- Japan
| | - Karen Wilson
- European Bioenergy Research Institute
- School of Engineering and Applied Science
- Aston University
- Birmingham B4 7ET
- UK
| | - Adam F. Lee
- European Bioenergy Research Institute
- School of Engineering and Applied Science
- Aston University
- Birmingham B4 7ET
- UK
| | - Shogo Shimazu
- Department of Applied Chemistry and Biotechnology
- Graduate School of Engineering
- Chiba University
- Inage
- Japan
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28
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Synthesis and crystal structures of a series of (μ-thiophenolato)(μ-pyrazolato-N,N′) double bridged dipalladium(II) complexes and their application in Mizoroki–Heck reaction as highly efficient catalysts. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2015.10.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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29
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Minami Y, Shiraishi Y, Kodama T, Kanda M, Yamada K, Anami T, Hiyama T. Alkynoxy-Directed C–H Functionalizations: Palladium(0)-Catalyzed Annulations of Alkynyl Aryl Ethers with Alkynes. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20150180] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yasunori Minami
- Research and Development Initiative, Chuo University
- JST, ACT-C
| | | | | | - Mayuko Kanda
- Department of Applied Chemistry, Chuo University
| | | | | | - Tamejiro Hiyama
- Research and Development Initiative, Chuo University
- JST, ACT-C
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30
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Maity S, Agasti S, Earsad AM, Hazra A, Maiti D. Nickel-Catalyzed Insertion of Alkynes and Electron-Deficient Olefins into Unactivated sp(3) C-H Bonds. Chemistry 2015; 21:11320-4. [PMID: 26121618 DOI: 10.1002/chem.201501962] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Indexed: 11/08/2022]
Abstract
Insertion of unsaturated systems such as alkynes and olefins into unactivated sp(3) C-H bonds remains an unexplored problem. We herein address this issue by successfully incorporating a wide variety of functionalized alkynes and electron-deficient olefins into the unactivated sp(3) C-H bond of pivalic acid derivatives with excellent syn- and linear- selectivity. A strongly chelating 8-aminoquinoline directing group proved beneficial for these insertion reactions, while an air-stable and inexpensive Ni(II) salt has been employed as the active catalyst.
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Affiliation(s)
- Soham Maity
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076 (India)
| | - Soumitra Agasti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076 (India)
| | - Arif Mahammad Earsad
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076 (India)
| | - Avijit Hazra
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076 (India)
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076 (India).
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31
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Nakane T, Tanioka Y, Tsukada N. Synthesis of Multinuclear Copper Complexes Bridged by Diquinolylamidinates and Their Application to Copper-Catalyzed Coupling of Terminal Alkynes and Aryl, Allyl, and Benzyl Halides. Organometallics 2015. [DOI: 10.1021/om501139f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Takayuki Nakane
- Department
of Chemistry, Graduate School of Science,
and ‡Research Institute
of Green Science and Technology, Shizuoka University, Shizuoka 422-8529, Japan
| | - Yuta Tanioka
- Department
of Chemistry, Graduate School of Science,
and ‡Research Institute
of Green Science and Technology, Shizuoka University, Shizuoka 422-8529, Japan
| | - Naofumi Tsukada
- Department
of Chemistry, Graduate School of Science,
and ‡Research Institute
of Green Science and Technology, Shizuoka University, Shizuoka 422-8529, Japan
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32
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Manikandan R, Jeganmohan M. Recent advances in the ruthenium-catalyzed hydroarylation of alkynes with aromatics: synthesis of trisubstituted alkenes. Org Biomol Chem 2015; 13:10420-36. [DOI: 10.1039/c5ob01472g] [Citation(s) in RCA: 129] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The hydroarylation of alkynes with amide, azole, carbamate, phosphine oxide, amine, acetyl, sulfoxide and sulphur substituted aromatics in the presence of a ruthenium catalyst via chelation-assisted C–H bond activation is discussed.
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Affiliation(s)
- Rajendran Manikandan
- Department of Chemistry
- Indian Institute of Science Education and Research
- Pune 411021
- India
| | - Masilamani Jeganmohan
- Department of Chemistry
- Indian Institute of Science Education and Research
- Pune 411021
- India
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33
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Kakiuchi F, Kochi T. Chelation-Assisted Catalytic C-C, C-Si, and C-Halogen Bond Formation by Substitution via the Cleavage of C(sp 2)-H and C(sp 3)-H Bonds. J SYN ORG CHEM JPN 2015. [DOI: 10.5059/yukigoseikyokaishi.73.1099] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Fumitoshi Kakiuchi
- Department of Chemistry, Faculty of Science and Technology, Keio University
- JST, ACT-C
| | - Takuya Kochi
- Department of Chemistry, Faculty of Science and Technology, Keio University
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34
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Chen B, Jiang Y, Cheng J, Yu JT. Rhodium-catalyzed hydroarylation of alkynes via tetrazole-directed C–H activation. Org Biomol Chem 2015; 13:2901-4. [DOI: 10.1039/c5ob00064e] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A rhodium-catalyzed hydroarylation of alkynes with aryl tetrazoles through tetrazole-directed C–H activation was developed.
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Affiliation(s)
- Bin Chen
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Jiangsu Province Key Laboratory of Fine Petrochemical Engineering
- Changzhou University
- Changzhou 213164
| | - Yan Jiang
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Jiangsu Province Key Laboratory of Fine Petrochemical Engineering
- Changzhou University
- Changzhou 213164
| | - Jiang Cheng
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Jiangsu Province Key Laboratory of Fine Petrochemical Engineering
- Changzhou University
- Changzhou 213164
| | - Jin-Tao Yu
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Jiangsu Province Key Laboratory of Fine Petrochemical Engineering
- Changzhou University
- Changzhou 213164
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35
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Li XG, Liu K, Zou G, Liu PN. Ruthenium-Catalyzed Alkenylation of Arenes with Alkynes or Alkenes by 1,2,3-Triazole-Directed C-H Activation. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402938] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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36
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Deng T, Wang H, Cai C. Copper-Catalyzed Asymmetric Addition to Isatins to give 3-Hydroxy-2-oxindoles by C-H Activation. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402852] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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37
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Hahn C, Miranda M, Chittineni NPB, Pinion TA, Perez R. Mechanistic Studies on Platinum(II) Catalyzed Hydroarylation of Alkynes. Organometallics 2014. [DOI: 10.1021/om5003123] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Christine Hahn
- Department of Chemistry, Texas A&M University—Kingsville, 700 University Blvd., Kingsville, Texas 78363, United States
| | - Mayra Miranda
- Department of Physical Sciences, University of Texas of the Permian Basin, 4901 East University Boulevard, Odessa, Texas 79762, United States
| | - Nagendra P. B. Chittineni
- Department of Chemistry, Texas A&M University—Kingsville, 700 University Blvd., Kingsville, Texas 78363, United States
| | - Trent A. Pinion
- Department of Chemistry, Texas A&M University—Kingsville, 700 University Blvd., Kingsville, Texas 78363, United States
| | - Ricardo Perez
- Department of Chemistry, Texas A&M University—Kingsville, 700 University Blvd., Kingsville, Texas 78363, United States
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38
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Liu B, Zhou T, Li B, Xu S, Song H, Wang B. Rhodium(III)-Catalyzed Alkenylation Reactions of 8-Methylquinolines with Alkynes by C(sp3)H Activation. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201310711] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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39
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Liu B, Zhou T, Li B, Xu S, Song H, Wang B. Rhodium(III)-Catalyzed Alkenylation Reactions of 8-Methylquinolines with Alkynes by C(sp3)H Activation. Angew Chem Int Ed Engl 2014; 53:4191-5. [DOI: 10.1002/anie.201310711] [Citation(s) in RCA: 145] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Indexed: 11/11/2022]
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40
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Manikandan R, Jeganmohan M. Ruthenium-Catalyzed Hydroarylation of Anilides with Alkynes: An Efficient Route to Ortho-Alkenylated Anilines. Org Lett 2014; 16:912-5. [DOI: 10.1021/ol403666s] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Rajendran Manikandan
- Department of Chemistry, Indian Institute of Science Education and Research, Pune 411021, India
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Science Education and Research, Pune 411021, India
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41
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Qian ZC, Zhou J, Li B, Hu F, Shi BF. Rh(iii)-catalyzed regioselective hydroarylation of alkynes via directed C–H functionalization of pyridines. Org Biomol Chem 2014; 12:3594-7. [DOI: 10.1039/c4ob00612g] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rh(iii)-catalyzed C-3 selective alkenylation of pyridines via hydroarylation of alkynes has been developed. The reaction shows high regioselectivity, high yield and good functional group tolerance, providing a convenient strategy for the synthesis of trisubstituted alkenes.
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Affiliation(s)
- Zhen-Chao Qian
- Department of Chemistry
- Zhejiang Univers ity
- Hangzhou 310027, China
| | - Jun Zhou
- Department of Chemistry
- Zhejiang Univers ity
- Hangzhou 310027, China
| | - Bo Li
- Department of Chemistry
- Zhejiang Univers ity
- Hangzhou 310027, China
| | - Fang Hu
- Department of Chemistry
- Zhejiang Univers ity
- Hangzhou 310027, China
| | - Bing-Feng Shi
- Department of Chemistry
- Zhejiang Univers ity
- Hangzhou 310027, China
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42
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Padala K, Jeganmohan M. Ruthenium-catalyzed highly regio- and stereoselective hydroarylation of aromatic sulfoxides with alkynes via C–H bond activation. Chem Commun (Camb) 2014; 50:14573-6. [DOI: 10.1039/c4cc06426g] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A ruthenium-catalyzed hydroarylation of aromatic sulfoxides with alkynes in the presence of AgSbF6 and pivalic acid yielding trisubstituted alkenes is described.
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Affiliation(s)
- Kishor Padala
- Department of Chemistry
- Indian Institute of Science Education and Research
- Pune 411021, India
| | - Masilamani Jeganmohan
- Department of Chemistry
- Indian Institute of Science Education and Research
- Pune 411021, India
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43
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Wang Z, Reinus BJ, Dong G. Catalytic intermolecular β-C–H alkenylation of α-enamino-ketones with simple alkynes. Chem Commun (Camb) 2014; 50:5230-2. [DOI: 10.1039/c3cc47556e] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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44
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Ogiwara Y, Tamura M, Kochi T, Matsuura Y, Chatani N, Kakiuchi F. Ruthenium-Catalyzed Ortho-Selective C–H Alkenylation of Aromatic Compounds with Alkenyl Esters and Ethers. Organometallics 2013. [DOI: 10.1021/om401204h] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yohei Ogiwara
- Department of Chemistry, Faculty of Science
and Technology, Keio University, 3-14-1 Hiyoshi,
Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Masaru Tamura
- Department of Chemistry, Faculty of Science
and Technology, Keio University, 3-14-1 Hiyoshi,
Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Takuya Kochi
- Department of Chemistry, Faculty of Science
and Technology, Keio University, 3-14-1 Hiyoshi,
Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Yusuke Matsuura
- Department of Applied Chemistry, Faculty of
Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of
Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Fumitoshi Kakiuchi
- Department of Chemistry, Faculty of Science
and Technology, Keio University, 3-14-1 Hiyoshi,
Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
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45
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Chen T, Zhou Y, Yin SF, Zhao Y, Goto M, Han LB. Identification of Alkenyl- and Arylpalladium Hydrides with the Aid of Hydrosilanes. CHEM LETT 2013. [DOI: 10.1246/cl.130588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Tieqiao Chen
- College of Chemistry and Chemical Engineering, Hunan University
| | - Yongbo Zhou
- College of Chemistry and Chemical Engineering, Hunan University
| | - Shuang-Feng Yin
- College of Chemistry and Chemical Engineering, Hunan University
| | - Yalei Zhao
- National Institute of Advanced Industrial Science and Technology (AIST)
| | - Midori Goto
- National Institute of Advanced Industrial Science and Technology (AIST)
| | - Li-Biao Han
- National Institute of Advanced Industrial Science and Technology (AIST)
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46
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Yamaguchi Y, Yamanishi K, Kondo M, Tsukada N. Synthesis of Dinuclear (μ-η3-Allyl)palladium(I) and -platinum(I) Complexes Supported by Chelate-Bridging Ligands. Organometallics 2013. [DOI: 10.1021/om400557p] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Yu Yamaguchi
- Department
of Chemistry, Graduate School of Science, ‡Graduate School of Science
and Technology, and §Research Institute of Green Science and Technology, Shizuoka University, Shizuoka 422-8529,
Japan
| | - Katsunori Yamanishi
- Department
of Chemistry, Graduate School of Science, ‡Graduate School of Science
and Technology, and §Research Institute of Green Science and Technology, Shizuoka University, Shizuoka 422-8529,
Japan
| | - Mitsuru Kondo
- Department
of Chemistry, Graduate School of Science, ‡Graduate School of Science
and Technology, and §Research Institute of Green Science and Technology, Shizuoka University, Shizuoka 422-8529,
Japan
| | - Naofumi Tsukada
- Department
of Chemistry, Graduate School of Science, ‡Graduate School of Science
and Technology, and §Research Institute of Green Science and Technology, Shizuoka University, Shizuoka 422-8529,
Japan
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47
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Affiliation(s)
- Rafael Chinchilla
- Departamento de Química Orgánica,
Facultad
de Ciencias, and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apartado 99, 03080 Alicante,
Spain
| | - Carmen Nájera
- Departamento de Química Orgánica,
Facultad
de Ciencias, and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apartado 99, 03080 Alicante,
Spain
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48
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Tsukada N, Abe T, Inoue Y. Formation ofcine-Substitution Products in theSuzukiMiyauraCross-Coupling Reaction Catalyzed by Dinuclear Palladium Complexes. Helv Chim Acta 2013. [DOI: 10.1002/hlca.201200454] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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49
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Li B, Ma J, Liang Y, Wang N, Xu S, Song H, Wang B. Regio- and Stereoselective Olefination of Phenol Carbamates through C-H Bond Functionalization. European J Org Chem 2013. [DOI: 10.1002/ejoc.201201574] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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50
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Liu S, Bai Y, Cao X, Xiao F, Deng GJ. Palladium-catalyzed desulfitative hydroarylation of alkynes with sodium sulfinates. Chem Commun (Camb) 2013; 49:7501-3. [DOI: 10.1039/c3cc43723j] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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