1
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Dehghanpour Kalan R, Amiri K, Rominger F, Balalaie S, Bijanzadeh HR. Regio- and diastereoselective transition metal-free hydroalkylation of N-allenyl sulfonamides by push-pull 2-alkynylquinolines. Org Biomol Chem 2022; 20:8269-8272. [PMID: 36226516 DOI: 10.1039/d2ob01362b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
We describe a novel and efficient synthetic strategy to construct the linear homoallylic quinolone structures through the intermolecular addition of 2-alkynylquinoline to N-allenyl sulfonamides. We developed the regio- and diastereoselective transition metal-free hydroalkylation of 1,2-dienes by a structure containing a push-pull system. Moreover, the present work was carried out with a high atom economy, mild reaction conditions, and moderate to high yields.
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Affiliation(s)
- Reza Dehghanpour Kalan
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P. O. Box 15875-4416, Tehran, Iran.
| | - Kamran Amiri
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P. O. Box 15875-4416, Tehran, Iran.
| | - Frank Rominger
- Organisch-Chemisches Institut der Universität Heidelberg, Im Neuenheimer Feld 271, D-69120 Heidelberg, Germany
| | - Saeed Balalaie
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P. O. Box 15875-4416, Tehran, Iran.
| | - Hamid Reza Bijanzadeh
- Department of Environmental Sciences, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, P.O. Box 46414-356, Noor, Iran
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2
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Möller S, Jannsen N, Rüger J, Drexler HJ, Horstmann M, Bauer F, Breit B, Heller D. Catalyst Deactivation During Rhodium Complex-Catalyzed Propargylic C-H Activation. Chemistry 2021; 27:14034-14041. [PMID: 34260787 PMCID: PMC8518492 DOI: 10.1002/chem.202102219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Indexed: 12/29/2022]
Abstract
Detailed mechanistic investigations on our previously reported synthesis of branched allylic esters by the rhodium complex‐catalyzed propargylic C−H activation have been carried out. Based on initial mechanistic studies, we present herein more detailed investigations of the reaction mechanism. For this, various analytical (NMR, X‐ray crystal structure analysis, Raman) and kinetic methods were used to characterize the formation of intermediates under the reaction conditions. The knowledge obtained by this was used to further optimize the previous conditions and generate a more active catalytic system.
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Affiliation(s)
- Saskia Möller
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059, Rostock, Germany
| | - Nora Jannsen
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059, Rostock, Germany
| | - Julia Rüger
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059, Rostock, Germany
| | - Hans-Joachim Drexler
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059, Rostock, Germany
| | - Moritz Horstmann
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059, Rostock, Germany
| | - Felix Bauer
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, 79104, Freiburg, Germany
| | - Bernhard Breit
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, 79104, Freiburg, Germany
| | - Detlef Heller
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059, Rostock, Germany
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3
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Blieck R, Taillefer M, Monnier F. Metal-Catalyzed Intermolecular Hydrofunctionalization of Allenes: Easy Access to Allylic Structures via the Selective Formation of C–N, C–C, and C–O Bonds. Chem Rev 2020; 120:13545-13598. [DOI: 10.1021/acs.chemrev.0c00803] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rémi Blieck
- Institut Charles Gerhardt Montpellier UMR 5253, Université Montpellier, CNRS, ENSCM, 8 rue de l’Ecole Normale, Montpellier 34296, Cedex 5, France
| | - Marc Taillefer
- Institut Charles Gerhardt Montpellier UMR 5253, Université Montpellier, CNRS, ENSCM, 8 rue de l’Ecole Normale, Montpellier 34296, Cedex 5, France
| | - Florian Monnier
- Institut Charles Gerhardt Montpellier UMR 5253, Université Montpellier, CNRS, ENSCM, 8 rue de l’Ecole Normale, Montpellier 34296, Cedex 5, France
- Institut Universitaire de France, IUF, 1 rue Descartes, 75231 Paris, cedex 5, France
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4
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Tsukamoto H, Konno T, Ito K, Doi T. Palladium(0)–Lithium Iodide Cocatalyzed Asymmetric Hydroalkylation of Conjugated Enynes with Pronucleophiles Leading to 1,3-Disubstituted Allenes. Org Lett 2019; 21:6811-6814. [DOI: 10.1021/acs.orglett.9b02439] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hirokazu Tsukamoto
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
- Department of Pharmaceutical Sciences, Yokohama University of Pharmacy, 601 Matano-cho, Totsuka-ku, Yokohama 245-0066, Japan
| | - Tatsuya Konno
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Kazuya Ito
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Takayuki Doi
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
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5
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Jeanne-Julien L, Masson G, Kouoi R, Regazzetti A, Genta-Jouve G, Gandon V, Roulland E. Stereoselective Access to ( E)-1,3-Enynes through Pd/Cu-Catalyzed Alkyne Hydrocarbation of Allenes. Org Lett 2019; 21:3136-3141. [PMID: 30998373 DOI: 10.1021/acs.orglett.9b00828] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PdII and CuI cooperate in catalyzing the alkynes hydrocarbation of allenes (AHA) giving ( E)-1,3-enynes with high yields, atom economy, and high regio-/stereoselectivities. We devised new efficient conditions and expanded the substrate scope. Experimental and computational studies support a nonorthodox PdII/PdIV catalytic cycle involving an oxidative addition triggered by a stereodeterminant H+ transfer. This reaction is leveraged in a new strategy of stereoselective synthesis of 1,3-dienes.
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Affiliation(s)
- Louis Jeanne-Julien
- C-TAC , UMR 8038, CNRS- Université de Paris, Faculté de Pharmacie , 4, avenue de l'Observatoire , 75006 , Paris , France
| | - Guillaume Masson
- C-TAC , UMR 8038, CNRS- Université de Paris, Faculté de Pharmacie , 4, avenue de l'Observatoire , 75006 , Paris , France
| | - Remy Kouoi
- C-TAC , UMR 8038, CNRS- Université de Paris, Faculté de Pharmacie , 4, avenue de l'Observatoire , 75006 , Paris , France
| | - Anne Regazzetti
- C-TAC , UMR 8038, CNRS- Université de Paris, Faculté de Pharmacie , 4, avenue de l'Observatoire , 75006 , Paris , France
| | - Grégory Genta-Jouve
- C-TAC , UMR 8038, CNRS- Université de Paris, Faculté de Pharmacie , 4, avenue de l'Observatoire , 75006 , Paris , France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay , CNRS UMR 8182, Université Paris-Sud, Université Paris-Saclay , Bâtiment 420 , 91405 Orsay cedex , France.,Laboratoire de Chimie Moléculaire (LCM) , CNRS UMR 9168, Ecole Polytechnique, IP Paris, route de Saclay , 91128 , Palaiseau cedex , France
| | - Emmanuel Roulland
- C-TAC , UMR 8038, CNRS- Université de Paris, Faculté de Pharmacie , 4, avenue de l'Observatoire , 75006 , Paris , France
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6
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Yang S, Li QZ, Xu C, Xu Q, Shi M. Rhodium-catalyzed asymmetric hydroamination and hydroindolation of keto-vinylidenecyclopropanes. Chem Sci 2018; 9:5074-5081. [PMID: 29938038 PMCID: PMC5994874 DOI: 10.1039/c8sc01595c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 05/09/2018] [Indexed: 12/23/2022] Open
Abstract
We reported a highly regio- and enantioselective hydroamination and hydroindolation of keto-vinylidenecyclopropanes via cationic Rh(i) catalysis in this context. The combination of various secondary amines and indoles with keto-vinylidenecyclopropanes afforded the corresponding hydrofunctionalization products in good to excellent yields with outstanding ee values under mild conditions. A new TMM-Rh model complex was proposed, providing an atom economical Rh-π-allyl precursor at the same time. Moreover, the resulting products could easily be transformed into more complex polyheterocycles upon further synthetic manipulation.
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Affiliation(s)
- Song Yang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , School of Chemistry & Molecular Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China .
| | - Quan-Zhe Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , School of Chemistry & Molecular Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China .
| | - Chen Xu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , School of Chemistry & Molecular Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China .
| | - Qin Xu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , School of Chemistry & Molecular Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China .
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , School of Chemistry & Molecular Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China .
- State Key Laboratory and Institute of Elemento-organic Chemistry , Nankai University , Tianjin 300071 , P. R. China
- State Key Laboratory of Organometallic Chemistry , Center for Excellence in Molecular Synthesis , University of Chinese Academy of Sciences , Shanghai Institute of Organic Chemistry , Chinese Academy of Sciences , 345 Lingling Road , Shanghai 200032 , China
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7
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Blieck R, Abed Ali Abdine R, Taillefer M, Monnier F. Regio- and Stereoselective Copper-Catalyzed Allylation of 1,3-Dicarbonyl Compounds with Terminal Allenes. Org Lett 2018; 20:2232-2235. [PMID: 29600714 DOI: 10.1021/acs.orglett.8b00575] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Simple ligand-free copper systems were found as efficient catalysts for the addition of 1,3-dicarbonyl compounds to N-allenyl derivatives. This highly regio- and stereoselective reaction has been accomplished in the presence of malonates, 1,3-ketoesters, and 1,3-diketones with good to excellent yields under mild conditions. This methodology represents the first allylation of 1,3-dicarbonyl compounds with allenes catalyzed by copper.
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Affiliation(s)
- Rémi Blieck
- Ecole Nationale Supérieure de Chimie de Montpellier , Institut Charles Gerhardt Montpellier UMR 5253 CNRS, AM2N , 8 rue de l'Ecole Normale , Montpellier 34296 Cedex 5, France
| | - Racha Abed Ali Abdine
- Ecole Nationale Supérieure de Chimie de Montpellier , Institut Charles Gerhardt Montpellier UMR 5253 CNRS, AM2N , 8 rue de l'Ecole Normale , Montpellier 34296 Cedex 5, France
| | - Marc Taillefer
- Ecole Nationale Supérieure de Chimie de Montpellier , Institut Charles Gerhardt Montpellier UMR 5253 CNRS, AM2N , 8 rue de l'Ecole Normale , Montpellier 34296 Cedex 5, France
| | - Florian Monnier
- Ecole Nationale Supérieure de Chimie de Montpellier , Institut Charles Gerhardt Montpellier UMR 5253 CNRS, AM2N , 8 rue de l'Ecole Normale , Montpellier 34296 Cedex 5, France.,Institut Universitaire de France, IUF , 1 rue Descartes , 75231 Paris cedex 5 , France
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8
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Zheng J, Breit B. Palladium-Catalyzed Direct C–H Allylation of Electron-Deficient Polyfluoroarenes with Alkynes. Org Lett 2018. [DOI: 10.1021/acs.orglett.8b00393] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jun Zheng
- Institut für Organische Chemie, Freiburg Institute for Advanced Studies (FRIAS), Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg im Breisgau, Germany
| | - Bernhard Breit
- Institut für Organische Chemie, Freiburg Institute for Advanced Studies (FRIAS), Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg im Breisgau, Germany
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9
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Tsukamoto H, Ito K, Doi T. Synthesis of multi-substituted dihydrofurans via palladium-catalysed coupling between 2,3-alkadienols and pronucleophiles. Chem Commun (Camb) 2018; 54:5102-5105. [PMID: 29714394 DOI: 10.1039/c8cc02589d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Multi-substituted dihydrofurans were obtained from a palladium-catalysed coupling reaction between 2,3-alkadienols and ketones bearing an electron-withdrawing group at the α-position.
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Affiliation(s)
- Hirokazu Tsukamoto
- Graduate School of Pharmaceutical Sciences
- Tohoku University
- Sendai 980-8578
- Japan
| | - Kazuya Ito
- Graduate School of Pharmaceutical Sciences
- Tohoku University
- Sendai 980-8578
- Japan
| | - Takayuki Doi
- Graduate School of Pharmaceutical Sciences
- Tohoku University
- Sendai 980-8578
- Japan
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10
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Zhou H, Wang Y, Zhang L, Cai M, Luo S. Enantioselective Terminal Addition to Allenes by Dual Chiral Primary Amine/Palladium Catalysis. J Am Chem Soc 2017; 139:3631-3634. [PMID: 28238267 DOI: 10.1021/jacs.7b00437] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We herein describe a synergistic chiral primary amine/achiral palladium catalyzed enantioselective terminal addition to allenes with α-branched β-ketocarbonyls and aldehydes. The reactions afford allylic adducts bearing acyclic all-carbon quaternary centers with high regio- and enantioselectivity. A wide range of allenes including those aliphatic or 1,1'-disubstituted could be employed, thus expanding the scope of typical asymmetric allylic alkylation reactions.
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Affiliation(s)
- Han Zhou
- Key Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China.,Department of Chemistry, University of Chinese Academy of Sciences , Beijing, 100049, China.,Collaborative Innovation Center of Chemical Science and Engineering , Tianjin, 300071, China
| | - Yaning Wang
- Key Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China.,Department of Chemistry, University of Chinese Academy of Sciences , Beijing, 100049, China.,Collaborative Innovation Center of Chemical Science and Engineering , Tianjin, 300071, China
| | - Long Zhang
- Key Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China.,Department of Chemistry, University of Chinese Academy of Sciences , Beijing, 100049, China.,Collaborative Innovation Center of Chemical Science and Engineering , Tianjin, 300071, China
| | - Mao Cai
- Key Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China.,Department of Chemistry, University of Chinese Academy of Sciences , Beijing, 100049, China.,Collaborative Innovation Center of Chemical Science and Engineering , Tianjin, 300071, China
| | - Sanzhong Luo
- Key Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China.,Department of Chemistry, University of Chinese Academy of Sciences , Beijing, 100049, China.,Collaborative Innovation Center of Chemical Science and Engineering , Tianjin, 300071, China
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11
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Abstract
We present a new and efficient strategy for the atom-economic transformation of both alkynes and allenes to allylic functionalized structures via a Rh-catalyzed isomerization/addition reaction which has been developed in our working group. Our methodology thus grants access to an important structural class valued in modern organic chemistry for both its versatility for further functionalization and the potential for asymmetric synthesis with the construction of a new stereogenic center. This new methodology, inspired by mechanistic investigations by Werner in the late 1980s and based on preliminary work by Yamamoto and Trost, offers an attractive alternative to other established methods for allylic functionalization such as allylic substitution or allylic oxidation. The main advantage of our methodology consists of the inherent atom economy in comparison to allylic oxidation or substitution, which both produce stoichiometric amounts of waste and, in case of the substitution reaction, require prefunctionalization of the starting material. Starting out with the discovery of a highly branched-selective coupling reaction of carboxylic acids with terminal alkynes using a Rh(I)/DPEphos complex as the catalyst system, over the past 5 years we were able to continuously expand upon this chemistry, introducing various (pro)nucleophiles for the selective C-O, C-S, C-N, and C-C functionalization of both alkynes and the double-bond isomeric allenes by choosing the appropriate rhodium/bidentate phosphine catalyst. Thus, valuable compounds such as branched allylic ethers, sulfones, amines, or γ,δ-unsaturated ketones were successfully synthesized in high yields and with a broad substrate scope. Beyond the branched selectivity inherent to rhodium, many of the presented methodologies display additional degrees of selectivity in regard to regio-, diastereo-, and enantioselective transformations, with one example even proceeding via a dynamic kinetic resolution. Many advances presented in this account were driven by detailed mechanistic investigations including DFT-calculations, ESI-MS and in situ IR experiments and enabled the application of our chemistry for target-oriented syntheses demonstrated by several examples shown herein. In general, this research topic has matured over the past years into a viable option when synthesizing chiral compounds, from small molecules such as quercus lactones to complex target structures such as Homolargazole or Clavosolide A. This demonstrates the importance and utility of these coupling reactions, especially considering the ease with which carbon-heteroatom bonds can be built stereoselectively, with many of the product classes displaying motifs common in modern APIs.
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Affiliation(s)
- Philipp Koschker
- Institut
für Organische
Chemie, Albert-Ludwigs-Universität Freiburg, Albertstraße
21, 79104 Freiburg
i. Brsg., Germany
| | - Bernhard Breit
- Institut
für Organische
Chemie, Albert-Ludwigs-Universität Freiburg, Albertstraße
21, 79104 Freiburg
i. Brsg., Germany
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12
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Zhang H, Bao X. Computational insight into the mechanism of the Pd(0)–Brønsted acid cooperatively catalysed head-to-tail dimerization of terminal alkynes. RSC Adv 2015. [DOI: 10.1039/c5ra14086b] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The Pd(0)–Brønsted acid cooperatively catalysed head-to-tail dimerization of terminal alkynes was computationally studied to gain a mechanistic insight.
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Affiliation(s)
- Hao Zhang
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
- China
| | - Xiaoguang Bao
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
- China
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13
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Jahier C, Zatolochnaya OV, Zvyagintsev NV, Ananikov VP, Gevorgyan V. General and Selective Head-to-Head Dimerization of Terminal Alkynes Proceeding via Hydropalladation Pathway. Org Lett 2012; 14:2846-9. [DOI: 10.1021/ol3010936] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Claire Jahier
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois, 60607-7061, United States, and Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 47, Moscow, 119991, Russia
| | - Olga V. Zatolochnaya
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois, 60607-7061, United States, and Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 47, Moscow, 119991, Russia
| | - Nickolay V. Zvyagintsev
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois, 60607-7061, United States, and Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 47, Moscow, 119991, Russia
| | - Valentine P. Ananikov
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois, 60607-7061, United States, and Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 47, Moscow, 119991, Russia
| | - Vladimir Gevorgyan
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois, 60607-7061, United States, and Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 47, Moscow, 119991, Russia
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14
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Trost BM, Xie J, Sieber JD. The palladium catalyzed asymmetric addition of oxindoles and allenes: an atom-economical versatile method for the construction of chiral indole alkaloids. J Am Chem Soc 2011; 133:20611-22. [PMID: 22070545 PMCID: PMC3241881 DOI: 10.1021/ja209244m] [Citation(s) in RCA: 206] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The Pd-catalyzed asymmetric allylic alkylation (AAA) is one of the most useful and versatile methods for asymmetric synthesis known in organometallic chemistry. Development of this reaction over the past 30 years has typically relied on the use of an allylic electrophile bearing an appropriate leaving group to access the reactive Pd(π-allyl) intermediate that goes on to the desired coupling product after attack by the nucleophile present in the reaction. Our group has been interested in developing alternative approaches to access the reactive Pd(π-allyl) intermediate that does not require the use of an activated electrophile, which ultimately generates a stoichiometric byproduct in the reaction that is derived from the leftover leaving group. Along these lines, we have demonstrated that allenes can be used to generate the reactive Pd(π-allyl) intermediate in the presence of an acid cocatalyst, and this system is compatible with nucleophiles to allow for formation of formal AAA products by Pd-catalyzed additions to allenes. This article describes our work regarding the use of oxindoles as carbon-based nucleophiles in a Pd-catalyzed asymmetric addition of oxindoles to allenes (Pd-catalyzed hydrocarbonation of allenes). By using the chiral standard Trost ligand (L1) and 3-aryloxindoles as nucleophiles, this hydrocarbonation reaction provides products with two vicinal stereocenters, with one being quaternary, in excellent chemo-, regio-, diastereo-, and enantioselectivities in high chemical yields.
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Affiliation(s)
- Barry M Trost
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, USA.
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15
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Kinder RE, Zhang Z, Widenhoefer RA. Intermolecular hydroamination of allenes with N-unsubstituted carbamates catalyzed by a gold(I) N-heterocyclic carbene complex. Org Lett 2008; 10:3157-9. [PMID: 18570376 PMCID: PMC2727634 DOI: 10.1021/ol8010858] [Citation(s) in RCA: 118] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Reaction of 2,3-pentadienyl benzoate with benzyl carbamate catalyzed by a 1:1 mixture of (NHC)AuCl and AgOTf in dioxane at 23 degrees C for 5 h led to isolation of (E)-4-(benzyloxycarbonylamino)-2-pentenyl benzoate in 84% yield as a single regio- and diastereomer. Gold(I)-catalyzed hydroamination was effective for a number of N-unsubstituted carbamates and a range of substituted allenes.
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Affiliation(s)
- Robert E. Kinder
- Duke University, French Family Science Center, Durham, NC 27708–0346
| | - Zhibin Zhang
- Duke University, French Family Science Center, Durham, NC 27708–0346
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16
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17
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18
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Inter- and intramolecular palladium-catalyzed hydrocarbonation of methylenecyclopropanes with carbon pronucleophiles. Tetrahedron 1999. [DOI: 10.1016/s0040-4020(99)00447-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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19
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Synthesis of cyclic ethers via the palladium catalyzed intramolecular hydrocarbonation of alkoxyallenes. Tetrahedron Lett 1999. [DOI: 10.1016/s0040-4039(98)02681-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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20
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21
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Ishikura M, Matsuzaki Y, Agata I, Katagiri N. A concise access to 2-allenylindole derivatives based on the palladium catalyzed cross-coupling reaction of indolylborates. Tetrahedron 1998. [DOI: 10.1016/s0040-4020(98)00861-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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22
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23
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Palladium catalyzed hydrosulfination of allenes with tosylhydrazine leading to allylsulfones. Tetrahedron Lett 1998. [DOI: 10.1016/s0040-4039(97)10637-2] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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24
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Tsukada N, Yamamoto Y. Alkenpalladiumkomplex-katalysierte intramolekulare Hydrocarbonierung von ε-Alkinmalonsäurenitrilen. Angew Chem Int Ed Engl 1997. [DOI: 10.1002/ange.19971092222] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Trost BM, Michellys PY, Gerusz VJ. Eine einfache Methode zur Schließung mittlerer und großer Ringe durch Cycloisomerisierung von Allenen. Angew Chem Int Ed Engl 1997. [DOI: 10.1002/ange.19971091630] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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26
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Gevorgyan V, Kadowaki C, Salter MM, Kadota I, Saito S, Yamamoto Y. Palladium catalyzed addition of carbon pronucleophiles to conjugated enynes. Tetrahedron 1997. [DOI: 10.1016/s0040-4020(97)00602-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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28
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Meguro M, Kamijo S, Yamamoto Y. Palladium catalyzed intramolecular hydrocarbonation of allenes leading to carbocycles. Tetrahedron Lett 1996. [DOI: 10.1016/0040-4039(96)01609-7] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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30
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Yamamoto Y, Al-Masum M, Takeda A. Palladium catalysed γ-addition of pronucleophiles to allenyl sulfieds. Chem Commun (Camb) 1996. [DOI: 10.1039/cc9960000831] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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Yamamoto Y, Al-Masum M, Fujiwara N. Palladium catalysed addition–substitution reaction of pronucleophiles with allenylstannanes and prop-2-ynylstannanes. Chem Commun (Camb) 1996. [DOI: 10.1039/cc9960000381] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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