1
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Jabbarpoor M, LeBlanc J, Chen Z, Cadwallader D, Le CM. Pd-catalyzed Suzuki-type cross-coupling of 2-pyridyl carbamoyl fluorides. Chem Commun (Camb) 2024. [PMID: 39054900 DOI: 10.1039/d4cc02431a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
We describe a palladium-catalyzed Suzuki-type cross-coupling reaction of 2-pyridyl carbamoyl fluorides with boronic acids, which provides entry to medicinally relevant pyridyl amides. Mechanistic studies, including the synthesis and reactivity of carbamoyl Pd-F complexes, reveal the importance of both the fluoride electrophile and nitrogen directing group for aiding reactivity.
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Affiliation(s)
- Maryam Jabbarpoor
- Department of Chemistry, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada.
| | - Jesse LeBlanc
- Department of Chemistry, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada.
| | - Zichuan Chen
- Department of Chemistry, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada.
| | - Dusty Cadwallader
- Department of Chemistry, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada.
| | - Christine M Le
- Department of Chemistry, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada.
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2
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Cadwallader D, Shevchuk D, Tiburcio TR, Le CM. Fluoride-Catalyzed Cross-Coupling of Carbamoyl Fluorides and Alkynylsilanes. Org Lett 2023; 25:7369-7373. [PMID: 37767985 DOI: 10.1021/acs.orglett.3c02871] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
We report the synthesis of alkynamides via the cross-coupling of carbamoyl fluorides and alkynylsilanes catalyzed by tetrabutylammonium fluoride (TBAF). In contrast to previously reported transformations of carbamoyl fluorides, C-F bond cleavage is achieved under exceptionally mild conditions (room temperature, low catalyst loadings, and short reaction times) without the need for strongly nucleophilic reagents and/or catalysts. This method offers distinct advantages over transition-metal-catalyzed approaches, such as tolerance to aryl halide moieties and complementary chemoselectivity.
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Affiliation(s)
- Dusty Cadwallader
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
| | - Dmytro Shevchuk
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
| | - Tristan R Tiburcio
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
| | - Christine M Le
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
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3
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Piszel PE, Orzolek BJ, Olszewski AK, Rotella ME, Spiewak AM, Kozlowski MC, Weix DJ. Protodemetalation of (Bipyridyl)Ni(II)-Aryl Complexes Shows Evidence for Five-, Six-, and Seven-Membered Cyclic Pathways. J Am Chem Soc 2023:10.1021/jacs.3c00618. [PMID: 37026854 PMCID: PMC10558627 DOI: 10.1021/jacs.3c00618] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
Abstract
Protonation of C-M bonds and its microscopic reverse, metalation of C-H bonds, are fundamental steps in a variety of metal-catalyzed processes. As such, studies on protonation of C-M bonds can shed light on C-H activation. We present here studies on the rate of protodemetalation (PDM) of a suite of arylnickel(II) complexes with various acids that provide evidence for a concerted, cyclic transition state for the PDM of C-Ni bonds and demonstrate that five-, six-, and seven-membered transition states are particularly favorable. Our data show that while the rate of protodemetalation of arylnickel(II) complexes scales with acidity for many acids, several are faster than predicted by pKa. For example, while acetic acid and acetohydroxamic acid are much less acidic than HCl, they both protodemetalate arylnickel(II) complexes significantly faster than HCl. Our data also show how in the case of acetohydroxamic acid, a seven-membered cyclic transition state (CH3C(O)NHOH) can be more favorable than a six-membered transition state (CH3C(O)NHOH). Similarly, five-membered transition states, such as for pyrazole, are highly favorable as well. Comparison of transition state polarization (from density functional theory) compares these new nickel transition states to better-studied precious-metal systems and demonstrates how the base can change the polarization of the transition state giving rise to opposing electronic preferences. Collectively, these studies suggest several new avenues for study in C-H activation as well as approaches to accelerate or slow protodemetalation in nickel catalysis.
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Affiliation(s)
- Paige E. Piszel
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Brandon J. Orzolek
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Alyssa K. Olszewski
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Madeline E. Rotella
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Amanda M. Spiewak
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Marisa C. Kozlowski
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Daniel J. Weix
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
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4
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Salameh N, Minio F, Rossini G, Marrocchi A, Vaccaro L. Waste-minimized C(sp3)-H activation for the preparation of fused N-heterocycles. GREEN SYNTHESIS AND CATALYSIS 2023. [DOI: 10.1016/j.gresc.2023.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023] Open
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5
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Bera T, Singh B, Gandon V, Saha J. Experimental and Theoretical Investigation of an Azaoxyallyl Cation‐Templated Intramolecular Aryl Amination Leading to Oxindole Derivatives. Chemistry 2022; 28:e202201208. [DOI: 10.1002/chem.202201208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Tishyasoumya Bera
- Department of Biological and Synthetic Chemistry Centre of Biomedical Research (CBMR) SGPGIMS Campus. Raebareli Road Lucknow 226014 Uttar Pradesh India
| | - Bandana Singh
- Department of Biological and Synthetic Chemistry Centre of Biomedical Research (CBMR) SGPGIMS Campus. Raebareli Road Lucknow 226014 Uttar Pradesh India
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182, Université Paris-Saclay Bâtiment 420 91405 Orsay cedex France
- Laboratoire de Chimie Moléculaire (LCM) CNRS UMR 9168, Ecole Polytechnique Institut Polytechnique de Paris Route de Saclay 91128 Palaiseau cedex France
| | - Jaideep Saha
- Department of Biological and Synthetic Chemistry Centre of Biomedical Research (CBMR) SGPGIMS Campus. Raebareli Road Lucknow 226014 Uttar Pradesh India
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6
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Shen H, Du Y, Kan J, Su W. Synthesis of 3-substituted 2-oxindoles from secondary α-bromo-propionanilides via palladium-catalyzed intramolecular cyclization. Org Biomol Chem 2022; 20:3589-3597. [PMID: 35420109 DOI: 10.1039/d2ob00480a] [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
In contrast to aromatic halides, coupling reactions involving oxidative addition of alkyl halides, especially secondary or tertiary halides, to transition metals tend to be more challenging. Herein a palladium-catalyzed intramolecular cyclization of α-bromo-propionanilides has been developed, delivering a series of 3-substituted 2-oxindoles in high yields. The method features easy to prepare starting materials, broad substrate scope and excellent functional group tolerance. A detailed mechanistic investigation has been performed.
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Affiliation(s)
- Hui Shen
- College of Chemistry & Materials Science, Fujian Normal University, Fuzhou 350007, P. R. China. .,State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, P. R. China
| | - Yu Du
- College of Chemistry & Materials Science, Fujian Normal University, Fuzhou 350007, P. R. China. .,State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, P. R. China
| | - Jian Kan
- College of Chemistry & Materials Science, Fujian Normal University, Fuzhou 350007, P. R. China. .,State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, P. R. China
| | - Weiping Su
- College of Chemistry & Materials Science, Fujian Normal University, Fuzhou 350007, P. R. China. .,State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, P. R. China.,Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, P. R. China
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7
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Ferlin F, Anastasiou I, Salameh N, Miyakoshi T, Baudoin O, Vaccaro L. C(sp 3 )-H Arylation Promoted by a Heterogeneous Palladium-N-Heterocyclic Carbene Complex in Batch and Continuous Flow. CHEMSUSCHEM 2022; 15:e202102736. [PMID: 35098689 PMCID: PMC9303704 DOI: 10.1002/cssc.202102736] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/24/2022] [Indexed: 06/14/2023]
Abstract
A heterogeneous reusable palladium(II)-bis(N-heterocyclic carbene) catalyst was prepared and shown to catalyze the intramolecular C(sp3 )-H activation/cyclization of N-alkyl-2-bromoanilines furnishing indolines. This new catalytic system was based on a bis-imidazolium ligand immobilized on a spaced cross-linked polystyrene support. The iodide ligands on the catalyst played a central role in the efficiency of the process occurring through a "release and catch" mechanism. The heterogeneous nature of the catalyst was further exploited in the design of a continuous-flow protocol that allowed a more efficient recovery and reuse of the catalyst, as well as a very fast and safe procedure.
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Affiliation(s)
- Francesco Ferlin
- Laboratory of Green SOCDipartimento di ChimicaBiologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
| | - Ioannis Anastasiou
- Laboratory of Green SOCDipartimento di ChimicaBiologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
| | - Nihad Salameh
- Laboratory of Green SOCDipartimento di ChimicaBiologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
| | - Takeru Miyakoshi
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 19CH-4056BaselSwitzerland
| | - Olivier Baudoin
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 19CH-4056BaselSwitzerland
| | - Luigi Vaccaro
- Laboratory of Green SOCDipartimento di ChimicaBiologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
- Peoples Friendship University of Russia (RUDN University)6 Miklukho-Maklaya StMoscow117198Russia
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8
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Cai C, Zou D. Recent Progress in Benzylic C(sp 3)—H Functionalization of Toluene and Its Derivatives. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202201027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Oxindole synthesis via C H activation methods. ADVANCES IN HETEROCYCLIC CHEMISTRY 2022. [DOI: 10.1016/bs.aihch.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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10
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Chen C, Huang Y, Ding J, Liu L, Zhu B. Palladium‐Catalyzed Carbamoyl‐Carbamoylation/ Carboxylation/Thioesterification of Alkene‐Tethered Carbamoyl Chlorides Using Mo(CO)
6
as the Carbonyl Source. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Chen Chen
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Yujie Huang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Jie Ding
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Liying Liu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Bolin Zhu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
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11
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Sahoo SR, Dutta S, Al-Thabaiti SA, Mokhtar M, Maiti D. Transition metal catalyzed C-H bond activation by exo-metallacycle intermediates. Chem Commun (Camb) 2021; 57:11885-11903. [PMID: 34693418 DOI: 10.1039/d1cc05042g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
exo-Metallacycles have become the key reaction intermediates in activating various remote C(sp2)-H and C(sp3)-H bonds in the past decade and aided in achieving unusual site-selectivity. Various novel exo-chelating auxiliaries have assisted metals to reach desired remote C-H bonds of different alcohol and amine-derived substrates. As a result, a wide range of organic transformations of C-H bonds like halogenation, acetoxylation, amidation, sulfonylation, olefination, acylation, arylation, etc. were accessible using the exo-metallacycle strategy. In this review, we have summarized the developments in C-H bond activation via four-, five-, six-, seven- and eight-membered exo-metallacycles and the key reaction intermediates, including the mechanistic aspects, are discussed concisely.
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Affiliation(s)
- Sumeet Ranjan Sahoo
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400076, India.
| | - Subhabrata Dutta
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400076, India.
| | - Shaeel A Al-Thabaiti
- Chemistry Department, Faculty of Science King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohamed Mokhtar
- Chemistry Department, Faculty of Science King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400076, India.
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12
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Gavriel AG, Leroux F, Khurana GS, Lewis VG, Chippindale AM, Sambrook MR, Hayes W, Russell AT. Self-Immolative System for Disclosure of Reactive Electrophilic Alkylating Agents: Understanding the Role of the Reporter Group. J Org Chem 2021; 86:10263-10279. [PMID: 34292742 PMCID: PMC8389931 DOI: 10.1021/acs.joc.1c00996] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
The development of
stable, efficient chemoselective self-immolative
systems, for use in applications such as sensors, requires the optimization
of the reactivity and degradation characteristics of the self-immolative
unit. In this paper, we describe the effect that the structure of
the reporter group has upon the self-immolative efficacy of a prototype
system designed for the disclosure of electrophilic alkylating agents.
The amine of the reporter group (a nitroaniline unit) was a constituent
part of a carbamate that functioned as the self-immolative unit. The
number and position of substituents on the nitroaniline unit were
found to play a key role in the rate of self-immolative degradation
and release of the reporter group. The position of the nitro substituent
(meta- vs para-) and the methyl
groups in the ortho-position relative to the carbamate
exhibited an influence on the rate of elimination and stability of
the self-immolative system. The ortho-methyl substituents
imparted a twist on the N–C (aromatic) bond leading to increased
resonance of the amine nitrogen’s lone pair into the carbonyl
moiety and a decrease of the leaving character of the carbamate group;
concomitantly, this may also make it a less electron-withdrawing group
and lead to less acidification of the eliminated β-hydrogen.
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Affiliation(s)
- Alexander G Gavriel
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
| | - Flavien Leroux
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
| | - Gurjeet S Khurana
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
| | - Viliyana G Lewis
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
| | - Ann M Chippindale
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
| | - Mark R Sambrook
- CBR Division, Defence Science & Technology Laboratory (Dstl), Porton Down, Salisbury, Wiltshire SP4 0JQ, U.K
| | - Wayne Hayes
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
| | - Andrew T Russell
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
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13
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Bera S, Biswas A, Samanta R. Straightforward Construction and Functionalizations of Nitrogen-Containing Heterocycles Through Migratory Insertion of Metal-Carbenes/Nitrenes. CHEM REC 2021; 21:3411-3428. [PMID: 33913245 DOI: 10.1002/tcr.202100061] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/10/2021] [Accepted: 04/12/2021] [Indexed: 12/15/2022]
Abstract
Nitrogen-containing heterocycles are widely found in various biologically active substrates, pharmaceuticals, natural products and organic materials. Consequently, the continuous effort has been devoted towards the development of straightforward, economical, environmentally acceptable, efficient and ingenious methods for the synthesis of various N-containing heterocycles and their functionalizations. Arguably, one of the most prominent direct strategy is regioselective C-H bond functionalizations which provide the step and atom economical approaches in the presence of suitable coupling partners. In this context, site-selective migratory insertion of metal carbenes/nitrenes to the desired C-H bonds has proven as a useful tool to access various functionalized nitrogen heterocycles. In this personal account, we highlight some of our contemporary development toward constructing N-containing heterocycles and their direct functionalizations via transition metal catalysed C-H bond functionalizations based on migratory insertion of metal-carbenes and nitrenes.
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Affiliation(s)
- Satabdi Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, West Bengal, India
| | - Aniruddha Biswas
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, West Bengal, India
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, West Bengal, India
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14
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Shrestha M, Wu X, Huang W, Qu J, Chen Y. Recent advances in transition metal-catalyzed reactions of carbamoyl chlorides. Org Chem Front 2021. [DOI: 10.1039/d0qo01648a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
This review highlights the recent advancements of carbamoyl chlorides in transition metal-catalyzed reactions to access various amide-containing molecules and heterocycles.
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Affiliation(s)
- Mohini Shrestha
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
| | - Xianqing Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
| | - Wenyi Huang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
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15
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Li Y, Zhang FP, Wang RH, Qi SL, Luan YX, Ye M. Carbamoyl Fluoride-Enabled Enantioselective Ni-Catalyzed Carbocarbamoylation of Unactivated Alkenes. J Am Chem Soc 2020; 142:19844-19849. [PMID: 33170685 DOI: 10.1021/jacs.0c09949] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A carbamoyl fluoride-enabled enantioselective Ni-catalyzed carbocarbamoylation of unactivated alkenes was developed, providing a broad range of chiral γ-lactams bearing an all-carbon quaternary center in 45-96% yield and 38-97% ee.
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Affiliation(s)
- Yue Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Feng-Ping Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Rong-Hua Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Shao-Long Qi
- 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
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16
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Fan A, Peng J, Zhou D, Li X, Chen C. Palladium-catalyzed decarbonylative C–N coupling to convert arylcarbamoyl chlorides to urea derivatives. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1793207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Aihong Fan
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, PR China
| | - Jinsong Peng
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, PR China
| | - Dun Zhou
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, PR China
| | - Xiang Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, PR China
| | - Chunxia Chen
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, PR China
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17
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Wang C, Zhao W, Wu X, Qu J, Chen Y. Palladium‐Catalyzed Regioselective Domino Spirocyclization of Carbamoyl Chlorides with Alkynes and Benzynes. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000537] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Chenchen Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 People's Republic of China
| | - Wenyu Zhao
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 People's Republic of China
| | - Xianqing Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 People's Republic of China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 People's Republic of China
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 People's Republic of China
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18
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Zhang C, Wu X, Wang C, Zhang C, Qu J, Chen Y. Pd/Cu-Catalyzed Domino Cyclization/Deborylation of Alkene-Tethered Carbamoyl Chloride and 1,1-Diborylmethane. Org Lett 2020; 22:6376-6381. [DOI: 10.1021/acs.orglett.0c02211] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Chenhuan Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road, Shanghai 200237, China
| | - Xianqing Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road, Shanghai 200237, China
| | - Chenchen Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road, Shanghai 200237, China
| | - Chengxi Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road, Shanghai 200237, China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road, Shanghai 200237, China
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road, Shanghai 200237, China
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19
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Chen YK, Kang YS, Xu HJ, Zhang P, Zhao J, Li T, Sun WY, Lu Y. Rh(III)-Catalyzed C(sp 3)-H Acetoxylation of 8-Methylquinolines. Org Lett 2020; 22:5390-5395. [PMID: 32628855 DOI: 10.1021/acs.orglett.0c01715] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A mild and efficient Rh(III)-catalyzed aliphatic C-H acetoxylation directed by quinolines has been developed with widespread functional groups, including various halogens, which usually can provide precursors for further organic synthesis but easily results in selectivity issues in the Pd- and Ni-catalyzed reaction. Interestingly, Ac2O plays an essential role in promoting the transformation.
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Affiliation(s)
- You-Ke Chen
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Yan-Shang Kang
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Hua-Jin Xu
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Ping Zhang
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Jing Zhao
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Tiantian Li
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Wei-Yin Sun
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Yi Lu
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
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20
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Shaughnessy KH. Monodentate Trialkylphosphines: Privileged Ligands in Metal-catalyzed Crosscoupling Reactions. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824666200211114540] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Phosphines are widely used ligands in transition metal-catalyzed reactions.
Arylphosphines, such as triphenylphosphine, were among the first phosphines to show
broad utility in catalysis. Beginning in the late 1990s, sterically demanding and electronrich
trialkylphosphines began to receive attention as supporting ligands. These ligands
were found to be particularly effective at promoting oxidative addition in cross-coupling
of aryl halides. With electron-rich, sterically demanding ligands, such as tri-tertbutylphosphine,
coupling of aryl bromides could be achieved at room temperature. More
importantly, the less reactive, but more broadly available, aryl chlorides became accessible
substrates. Tri-tert-butylphosphine has become a privileged ligand that has found application
in a wide range of late transition-metal catalyzed coupling reactions. This success
has led to the use of numerous monodentate trialkylphosphines in cross-coupling reactions. This review
will discuss the general properties and features of monodentate trialkylphosphines and their application in
cross-coupling reactions of C–X and C–H bonds.
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Affiliation(s)
- Kevin H. Shaughnessy
- Department of Chemistry & Biochemistry, The University of Alabama, Box 870336, Tuscaloosa, AL, 35487-0336, United States
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21
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Wu X, Tang Z, Zhang C, Wang C, Wu L, Qu J, Chen Y. Pd-Catalyzed Regiodivergent Synthesis of Diverse Oxindoles Enabled by the Versatile Heck Reaction of Carbamoyl Chlorides. Org Lett 2020; 22:3915-3921. [DOI: 10.1021/acs.orglett.0c01197] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Xianqing Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, China
| | - Zaiquan Tang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, China
| | - Chengxi Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, China
| | - Chenchen Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, China
| | - Licheng Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, China
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, China
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22
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Trowbridge A, Walton SM, Gaunt MJ. New Strategies for the Transition-Metal Catalyzed Synthesis of Aliphatic Amines. Chem Rev 2020; 120:2613-2692. [DOI: 10.1021/acs.chemrev.9b00462] [Citation(s) in RCA: 310] [Impact Index Per Article: 77.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Aaron Trowbridge
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Scarlett M. Walton
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
- Oncology
- IMED Biotech Unit, AstraZeneca, Darwin Building, Unit 310, Cambridge Science Park, Milton Road, Cambridge CB4 0WG, United Kingdom
| | - Matthew J. Gaunt
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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23
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Cai SL, Li Y, Yang C, Sheng J, Wang XS. NHC Ligand-Enabled, Palladium-Catalyzed Non-Directed C(sp3)–H Carbonylation To Access Indanone Cores. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03426] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Shou-Le Cai
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China, 96 Jinzhai Road, Hefei 230026, China
| | - Yan Li
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China, 96 Jinzhai Road, Hefei 230026, China
| | - Chi Yang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China, 96 Jinzhai Road, Hefei 230026, China
| | - Jie Sheng
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China, 96 Jinzhai Road, Hefei 230026, China
| | - Xi-Sheng Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China, 96 Jinzhai Road, Hefei 230026, China
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24
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Du R, Zhao K, Liu J, Han F, Xia C, Yang L. RhCl 3·3H 2O-Catalyzed C7-Selective C-H Carbonylation of Indolines with CO and Alcohols. Org Lett 2019; 21:6418-6422. [PMID: 31368713 DOI: 10.1021/acs.orglett.9b02321] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An attractive method for the synthesis of indoline-7-carboxylates through RhCl3-catalyzed C-H carbonylation of indolines with CO and alcohols was developed. The copper-based oxidant and removable pyrimidyl directing group played important roles in achieving high-level yields of the title products. Based on control experiments, a possible catalytic cycle was proposed.
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Affiliation(s)
- Rongrong Du
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, University of Chinese Academy of Sciences , Chinese Academy of Sciences , Lanzhou 730000 , China.,Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , Hangzhou Normal University , Hangzhou 311121 , China
| | - Kang Zhao
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, University of Chinese Academy of Sciences , Chinese Academy of Sciences , Lanzhou 730000 , China
| | - Jianhua Liu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, University of Chinese Academy of Sciences , Chinese Academy of Sciences , Lanzhou 730000 , China
| | - Feng Han
- College of Chemistry and Material Science , Shandong Agricultural University , Taian 271018 , China
| | - Chungu Xia
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, University of Chinese Academy of Sciences , Chinese Academy of Sciences , Lanzhou 730000 , China
| | - Lei Yang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, University of Chinese Academy of Sciences , Chinese Academy of Sciences , Lanzhou 730000 , China.,Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , Hangzhou Normal University , Hangzhou 311121 , China.,Engineering Research Center of High Performance Polymer and Molding Technology, Ministry of Education, College of Chemistry and Molecular Engineering , Qindao University of Science and Technology , Qingdao 266042 , China
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25
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26
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Mayer C, Ladd CL, Charette AB. Utilization of BozPhos as an Effective Ligand in Enantioselective C-H Functionalization of Cyclopropanes: Synthesis of Dihydroisoquinolones and Dihydroquinolones. Org Lett 2019; 21:2639-2644. [PMID: 30924670 DOI: 10.1021/acs.orglett.9b00627] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The bisphosphine monoxide ( R, R)-BozPhos enables enantioselective C-H functionalization of cyclopropanes in a palladium-catalyzed cyclization. The synthesis of a broad spectrum of dihydroisoquinolones and dihydroquinolones in good yields and high enantiomeric excess was achieved through the use of this hemilabile ligand. Furthermore, the isolation of an intermediary palladium(II)-BozPhos complex after oxidative addition was successful and a second complex provided further insight into bond length and angles through a crystal structure.
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Affiliation(s)
- Camilla Mayer
- FRQNT Centre in Green Chemistry and Catalysis, Department of Chemistry , Université de Montréal , P.O. Box 6128, Station Downtown , Montréal , Quebec , Canada , H3C 3J7
| | - Carolyn L Ladd
- FRQNT Centre in Green Chemistry and Catalysis, Department of Chemistry , Université de Montréal , P.O. Box 6128, Station Downtown , Montréal , Quebec , Canada , H3C 3J7
| | - André B Charette
- FRQNT Centre in Green Chemistry and Catalysis, Department of Chemistry , Université de Montréal , P.O. Box 6128, Station Downtown , Montréal , Quebec , Canada , H3C 3J7
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27
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Sun W, Chen C, Qi Y, Zhao J, Bao Y, Zhu B. Palladium-catalyzed cascade reactions of alkene-tethered carbamoyl chlorides with N-tosyl hydrazones: synthesis of alkene-functionalized oxindoles. Org Biomol Chem 2019; 17:8358-8363. [DOI: 10.1039/c9ob01672d] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
An efficient approach for the construction of alkene-functionalized oxindoles was developed via palladium-catalyzed cascade reactions of alkene-tethered carbamoyl chlorides with N-tosyl hydrazones.
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Affiliation(s)
- Wan Sun
- 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
| | - 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
| | - Yuan Qi
- 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
| | - Jinghui Zhao
- 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
| | - Yinwei Bao
- 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
| | - 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
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28
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Abrams DJ, Provencher PA, Sorensen EJ. Recent applications of C-H functionalization in complex natural product synthesis. Chem Soc Rev 2018; 47:8925-8967. [PMID: 30426998 DOI: 10.1039/c8cs00716k] [Citation(s) in RCA: 385] [Impact Index Per Article: 64.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In this review, recent examples featuring C-H functionalization in the synthesis of complex natural products are discussed. A focus is given to the way in which C-H functionalization can influence the logical process of retrosynthesis, and the review is organized by the type and method of C-H functionalization.
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Affiliation(s)
- Dylan J Abrams
- Department of Chemistry, Princeton University, Princeton, NJ 08544, USA.
| | | | - Erik J Sorensen
- Department of Chemistry, Princeton University, Princeton, NJ 08544, USA.
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29
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Ji W, Liu YA, Liao X. Transition-Metal-Free Synthesis of N-Hydroxy Oxindoles by an Aza-Nazarov-Type Reaction Involving Azaoxyallyl Cations. Angew Chem Int Ed Engl 2018; 55:13286-13289. [PMID: 27709823 DOI: 10.1002/anie.201607177] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Indexed: 01/15/2023]
Abstract
A novel transition-metal-free method to construct N-hydroxy oxindoles by an aza-Nazarov-type reaction involving azaoxyallyl cation intermediates is described. A variety of functional groups were tolerated under the weak basic reaction conditions and at room temperature. A one-pot process was also developed to make the reaction even more practical. This method provides alternative access to oxindoles and their biologically active derivatives.
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Affiliation(s)
- Wenzhi Ji
- School of Pharmaceutical Sciences, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Tsinghua University, China
| | - Yahu A Liu
- Medicinal Chemistry, Genomics Institute of the Novartis Research Foundation, San Diego, CA, 92121, USA
| | - Xuebin Liao
- School of Pharmaceutical Sciences, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Tsinghua University, China.
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30
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Singh R, Nagesh K, Yugandhar D, Prasanthi AVG. Metal- and Oxidant-Free Modular Approach To Access N-Alkoxy Oxindoles via Aryne Annulation. Org Lett 2018; 20:4848-4853. [PMID: 30044101 DOI: 10.1021/acs.orglett.8b01972] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An unprecedented metal- and oxidant-free (intermolecular) approach to access N-alkoxy oxindoles via [3 + 2] cycloadition of in situ generated electrophilic species viz. aryne and (putative) aza-oxyallyl cation is reported. This approach is amenable to both C3-unsubstituted as well as C3-substituted oxindoles. A one-pot manipulation further makes this reaction highly practical. The versatility of this approach was demonstrated through valuable synthetic transformations.
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Affiliation(s)
- Ritesh Singh
- Department of Medicinal Chemistry , National Institute of Pharmaceutical Education and Research (NIPER) , Raebareli - 229010 , UP , India.,Organic Synthesis and Process Chemistry Division , CSIR-Indian Institute of Chemical Technology , Hyderabad - 500007 , Telangana , India
| | - Kommu Nagesh
- Organic Synthesis and Process Chemistry Division , CSIR-Indian Institute of Chemical Technology , Hyderabad - 500007 , Telangana , India
| | - Doddapaneni Yugandhar
- Organic Synthesis and Process Chemistry Division , CSIR-Indian Institute of Chemical Technology , Hyderabad - 500007 , Telangana , India
| | - A V G Prasanthi
- Organic Synthesis and Process Chemistry Division , CSIR-Indian Institute of Chemical Technology , Hyderabad - 500007 , Telangana , India
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31
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Nishida Y, Takeda N, Matsuno K, Miyata O, Ueda M. Acylative Coupling of Amine and Indole Using Chloroform as a Carbonyl Group. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800571] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yuika Nishida
- Kobe Pharmaceutical University; Motoyamakita, Higashinada 658-8558 Kobe Japan
| | - Norihiko Takeda
- Kobe Pharmaceutical University; Motoyamakita, Higashinada 658-8558 Kobe Japan
| | - Kenji Matsuno
- Department of Chemistry and Life Science; Kogakuin University; Nakano, Hachi-oji 192-0015 Tokyo Japan
| | - Okiko Miyata
- Kobe Pharmaceutical University; Motoyamakita, Higashinada 658-8558 Kobe Japan
| | - Masafumi Ueda
- Kobe Pharmaceutical University; Motoyamakita, Higashinada 658-8558 Kobe Japan
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32
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Xu Y, Dong G. sp 3 C-H activation via exo-type directing groups. Chem Sci 2018; 9:1424-1432. [PMID: 29675189 PMCID: PMC5892337 DOI: 10.1039/c7sc04768a] [Citation(s) in RCA: 171] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Accepted: 01/02/2018] [Indexed: 12/13/2022] Open
Abstract
The application of exo-type directing groups (DGs) has led to the discovery of a wide range of novel C(sp3)-H activation methods, which allow efficient and site-selective functionalization of alcohol and amide derivatives. In this mini-review we discuss the challenges of this field and summarize the achievements, including DG designs, reaction discoveries and mechanistic studies.
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Affiliation(s)
- Yan Xu
- Department of Chemistry , University of Chicago , Chicago , Illinois 60637 , USA .
| | - Guangbin Dong
- Department of Chemistry , University of Chicago , Chicago , Illinois 60637 , USA .
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33
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Pathan MY, Chavan SS, Shaikh TMY, Thorat SH, Gonnade RG, Mulla SAR. Facile One-Pot Multi-Component Synthesis of Spirooxindoles and 3, 3’-Disubstituted Oxindoles via sp3
C-H Activation/Functionalization of Azaarenes. ChemistrySelect 2017. [DOI: 10.1002/slct.201701507] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Mohsinkhan Y. Pathan
- Chemical Engineering and Process Development Division; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road, Pashan Pune - 411008 India
| | - Santosh S. Chavan
- Chemical Engineering and Process Development Division; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road, Pashan Pune - 411008 India
| | - Taufeekaslam M. Y. Shaikh
- Chemical Engineering and Process Development Division; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road, Pashan Pune - 411008 India
| | - Shridhar H. Thorat
- Physical and Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road, Pashan Pune - 411008 India
| | - Rajesh G. Gonnade
- Physical and Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road, Pashan Pune - 411008 India
| | - Shafeek A. R. Mulla
- Chemical Engineering and Process Development Division; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road, Pashan Pune - 411008 India
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34
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Selective Palladium(II)-Catalyzed Carbonylation of Methylene β-C−H Bonds in Aliphatic Amines. Angew Chem Int Ed Engl 2017; 56:11958-11962. [DOI: 10.1002/anie.201706303] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 07/07/2017] [Indexed: 11/07/2022]
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35
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Cabrera-Pardo JR, Trowbridge A, Nappi M, Ozaki K, Gaunt MJ. Selective Palladium(II)-Catalyzed Carbonylation of Methylene β-C−H Bonds in Aliphatic Amines. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706303] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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36
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Brady PB, Bhat V. Recent Applications of Rh- and Pd-Catalyzed C(sp3)-H Functionalization in Natural Product Total Synthesis. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700641] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Patrick B. Brady
- Oncology Discovery; AbbVie, Inc.; 1 N Waukegan Road 60064 North Chicago IL USA
| | - Vikram Bhat
- Oncology Discovery; AbbVie, Inc.; 1 N Waukegan Road 60064 North Chicago IL USA
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37
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Karmakar U, Das D, Samanta R. Iridium-Catalysed Cascade Synthesis of Oxindoles Using Diazo Compounds: A Quick Entry to C-7-Functionalized Oxindoles. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700214] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Ujjwal Karmakar
- Department of Chemistry; Indian Institute of Technology Kharagpur; 721302 Kharagpur India
| | - Debapratim Das
- Department of Chemistry; Indian Institute of Technology Kharagpur; 721302 Kharagpur India
| | - Rajarshi Samanta
- Department of Chemistry; Indian Institute of Technology Kharagpur; 721302 Kharagpur India
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38
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Dailler D, Rocaboy R, Baudoin O. Synthesis of β-Lactams by Palladium(0)-Catalyzed C(sp3)−H Carbamoylation. Angew Chem Int Ed Engl 2017; 56:7218-7222. [DOI: 10.1002/anie.201703109] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Revised: 04/27/2017] [Indexed: 12/29/2022]
Affiliation(s)
- David Dailler
- University of Basel; Department of Chemistry; St. Johanns-Ring 19 4056 Basel Switzerland
| | - Ronan Rocaboy
- University of Basel; Department of Chemistry; St. Johanns-Ring 19 4056 Basel Switzerland
| | - Olivier Baudoin
- University of Basel; Department of Chemistry; St. Johanns-Ring 19 4056 Basel Switzerland
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Dailler D, Rocaboy R, Baudoin O. Synthesis of β-Lactams by Palladium(0)-Catalyzed C(sp3)−H Carbamoylation. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703109] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- David Dailler
- University of Basel; Department of Chemistry; St. Johanns-Ring 19 4056 Basel Switzerland
| | - Ronan Rocaboy
- University of Basel; Department of Chemistry; St. Johanns-Ring 19 4056 Basel Switzerland
| | - Olivier Baudoin
- University of Basel; Department of Chemistry; St. Johanns-Ring 19 4056 Basel Switzerland
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Abstract
The catalytic activation and functionalization of unactivated C(sp3)-H bonds of alkyl groups has undergone intense development in recent years. In particular, a variety of directing groups as well as native functional groups have been employed in combination with palladium(II) catalysis in order to perform a variety of intermolecular, and to some extent intramolecular reactions. In parallel, inspired by precedents in C(sp2)-H arylation, our group and others have developed a different approach, which is the focus of this Account. This strategy relies on the use of oxidative addition of a carbon-leaving group bond to palladium(0) to induce intramolecular C(sp3)-H activation and the subsequent formation of a C(sp2)-C(sp3) or C(sp3)-C(sp3) bond. Since our first publication in 2003, the construction of olefins and, more interestingly, of an array of valuable monocyclic and polycyclic systems has been reported according to this principle. (Hetero)aryl bromides were initially employed as reactants, but the scope was later expanded to include (hetero)aryl chlorides and triflates, alkenyl bromides, carbamoyl chlorides and α-chloroamides. Mechanistic studies enabled a better understanding of the C-H activation step, which was proposed to occur through ambiphilic metal-ligand activation-6 (AMLA-6), also known as concerted metalation deprotonation (CMD), and a better rationalization of the observed selectivity patterns. Moreover, the wealth of accumulated experimental data indicate that the number of atoms separating the C-H bond from Pd and the type of C-H bond are the main factors controlling the site-selectivity of the C-H bond cleavage. Recent efforts have been devoted to the development of enantioselective reactions. To this purpose, two different strategies have been employed: a chiral ancillary ligand in combination with an achiral base, and a chiral base in combination with an achiral ligand, and allowed for the achievement of high enantioselectivities in the construction of both tri- and tetrasubstituted stereocenters. On the other hand, the current C-H activation-based ring-forming method was applied to the synthesis of pharmacologically active substances and agrochemicals, as well as complex natural products such as the aeruginosins, thereby demonstrating its great potential for step-economical organic synthesis.
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Affiliation(s)
- Olivier Baudoin
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, CH-4056 Basel, Switzerland
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41
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Patel P, Borah G. Synthesis of oxindole from acetanilide via Ir(iii)-catalyzed C–H carbenoid functionalization. Chem Commun (Camb) 2017; 53:443-446. [DOI: 10.1039/c6cc08788d] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The Ir(iii)-catalyzed intermolecular C–H annulations of acetanilide with diazotized Meldrum's acid furnished the oxindole derivative. Brief synthetic applications of the synthesized oxindole were also demonstrated.
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Affiliation(s)
- Pitambar Patel
- Chemical Science & Technology Division
- CSIR-North East Institute of Science and Technology
- Jorhat-785006
- India
| | - Gongutri Borah
- Chemical Science & Technology Division
- CSIR-North East Institute of Science and Technology
- Jorhat-785006
- India
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42
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Tsukano C, Suetsugu S, Muto N, Takemoto Y. Synthesis of Tetrahydrobiphenylene <i>via</i> Pd(0)-Catalyzed C(<i>sp</i><sup>2</sup>)–H Functionalization. Chem Pharm Bull (Tokyo) 2017; 65:1167-1174. [DOI: 10.1248/cpb.c17-00737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Chihiro Tsukano
- Graduate School of Pharmaceutical Sciences, Kyoto University
| | | | - Nobusuke Muto
- Graduate School of Pharmaceutical Sciences, Kyoto University
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43
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Tsukano C. Palladium(0)-Catalyzed Benzylic C( sp3)–H Functionalization for the Concise Synthesis of Heterocycles and Its Applications. Chem Pharm Bull (Tokyo) 2017; 65:409-425. [DOI: 10.1248/cpb.c16-00969] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Chihiro Tsukano
- Graduate School of Pharmaceutical Sciences, Kyoto University
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44
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He J, Wasa M, Chan KSL, Shao Q, Yu JQ. Palladium-Catalyzed Transformations of Alkyl C-H Bonds. Chem Rev 2016; 117:8754-8786. [PMID: 28697604 DOI: 10.1021/acs.chemrev.6b00622] [Citation(s) in RCA: 1467] [Impact Index Per Article: 183.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This Review summarizes the advancements in Pd-catalyzed C(sp3)-H activation via various redox manifolds, including Pd(0)/Pd(II), Pd(II)/Pd(IV), and Pd(II)/Pd(0). While few examples have been reported in the activation of alkane C-H bonds, many C(sp3)-H activation/C-C and C-heteroatom bond forming reactions have been developed by the use of directing group strategies to control regioselectivity and build structural patterns for synthetic chemistry. A number of mono- and bidentate ligands have also proven to be effective for accelerating C(sp3)-H activation directed by weakly coordinating auxiliaries, which provides great opportunities to control reactivity and selectivity (including enantioselectivity) in Pd-catalyzed C-H functionalization reactions.
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Affiliation(s)
- Jian He
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Masayuki Wasa
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Kelvin S L Chan
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Qian Shao
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
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45
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Willcox D, Chappell BGN, Hogg KF, Calleja J, Smalley AP, Gaunt MJ. A general catalytic β-C–H carbonylation of aliphatic amines to β-lactams. Science 2016; 354:851-857. [DOI: 10.1126/science.aaf9621] [Citation(s) in RCA: 166] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 10/13/2016] [Indexed: 12/24/2022]
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46
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Yang L, Melot R, Neuburger M, Baudoin O. Palladium(0)-catalyzed asymmetric C(sp 3)-H arylation using a chiral binol-derived phosphate and an achiral ligand. Chem Sci 2016; 8:1344-1349. [PMID: 28451275 PMCID: PMC5360168 DOI: 10.1039/c6sc04006c] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 10/08/2016] [Indexed: 12/22/2022] Open
Abstract
High enantioselectivities can be achieved using an appropriate chiral base/achiral ligand combination in Pd0-catalyzed C(sp3)–H activation.
The first efficient palladium(0)-catalyzed enantioselective C(sp3)–H activation reaction using a catalytic chiral base and an achiral phosphine ligand is reported. Fine-tuning the binol-derived phosphoric acid pre-catalyst and the reaction conditions was found to be crucial to achieve high levels of enantioselectivity for a variety of indoline products containing both tri- and tetrasubstituted stereocenters.
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Affiliation(s)
- Lei Yang
- University of Basel , Department of Chemistry , St. Johanns-Ring 19 , CH-4056 Basel , Switzerland .
| | - Romain Melot
- University of Basel , Department of Chemistry , St. Johanns-Ring 19 , CH-4056 Basel , Switzerland .
| | - Markus Neuburger
- University of Basel , Department of Chemistry , St. Johanns-Ring 19 , CH-4056 Basel , Switzerland .
| | - Olivier Baudoin
- University of Basel , Department of Chemistry , St. Johanns-Ring 19 , CH-4056 Basel , Switzerland .
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47
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Ji W, Liu YA, Liao X. Transition-Metal-Free Synthesis of N
-Hydroxy Oxindoles by an Aza-Nazarov-Type Reaction Involving Azaoxyallyl Cations. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201607177] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wenzhi Ji
- School of Pharmaceutical Sciences; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases; Tsinghua University; China
| | - Yahu A. Liu
- Medicinal Chemistry; Genomics Institute of the Novartis Research Foundation; San Diego CA 92121 USA
| | - Xuebin Liao
- School of Pharmaceutical Sciences; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases; Tsinghua University; China
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48
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Suetsugu S, Muto N, Horinouchi M, Tsukano C, Takemoto Y. Synthesis and Application of Tetrahydro-2H-fluorenes by a Pd(0)-Catalyzed Benzylic C(sp(3) )-H Functionalization. Chemistry 2016; 22:8059-62. [PMID: 27124498 DOI: 10.1002/chem.201601086] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2016] [Indexed: 11/09/2022]
Abstract
A new method has been developed for the synthesis of tetrahydro-2H-fluorenes based on a Pd(0)-catalyzed benzylic C(sp(3) )-H functionalization. Importantly, the success of the cyclization step was dependent on there being substituents at the two positions ortho to the benzylic group to avoid an undesired C(sp(2) )-H functionalization. This method was subsequently used to prepare the right-hand fragment of the hexacyclic triterpenoid benzohopanes, and therefore represents a powerful tool for the construction of the related compounds.
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Affiliation(s)
- Satoshi Suetsugu
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Nobusuke Muto
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Misa Horinouchi
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Chihiro Tsukano
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Yoshiji Takemoto
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan.
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49
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Pedroni J, Cramer N. 2-(Trifluoromethyl)indoles via Pd(0)-Catalyzed C(sp(3))-H Functionalization of Trifluoroacetimidoyl Chlorides. Org Lett 2016; 18:1932-5. [PMID: 27054603 DOI: 10.1021/acs.orglett.6b00795] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Perfluoroalkylated indoles are valuable compounds in drug discovery. A Pd(0)-catalyzed C(sp(3))-H functionalization enables access to 2-(trifluoromethyl)indoles from trifluoroacetimidoyl chlorides. These are stable compounds, easily obtained from anilines. The cyclization operates with catalyst loadings as low as 1 mol % and accommodates a variety of substituents.
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Affiliation(s)
- Julia Pedroni
- Laboratory of Asymmetric Catalysis and Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne , EPFL SB ISIC LCSA, BCH 4305, CH-1015 Lausanne, Switzerland
| | - Nicolai Cramer
- Laboratory of Asymmetric Catalysis and Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne , EPFL SB ISIC LCSA, BCH 4305, CH-1015 Lausanne, Switzerland
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50
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Gadge ST, Gautam P, Bhanage BM. Transition Metal-Catalyzed Carbonylative CH Bond Functionalization of Arenes and C(sp3)H Bond of Alkanes. CHEM REC 2016; 16:835-56. [DOI: 10.1002/tcr.201500280] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Sandip T. Gadge
- Department of Chemistry; Institute of Chemical Technology N. P. Marg; Matunga Mumbai 400019 India
| | - Prashant Gautam
- Department of Chemistry; Institute of Chemical Technology N. P. Marg; Matunga Mumbai 400019 India
| | - Bhalchandra M. Bhanage
- Department of Chemistry; Institute of Chemical Technology N. P. Marg; Matunga Mumbai 400019 India
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