1
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Ali W, Oliver GA, Werz DB, Maiti D. Pd-catalyzed regioselective activation of C(sp 2)-H and C(sp 3)-H bonds. Chem Soc Rev 2024. [PMID: 39212454 DOI: 10.1039/d4cs00408f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Differentiating between two highly similar C-H bonds in a given molecule remains a fundamental challenge in synthetic organic chemistry. Directing group assisted strategies for the functionalisation of proximal C-H bonds has been known for the last few decades. However, distal C-H bond functionalisation is strenuous and requires distinctly specialised techniques. In this review, we summarise the advancement in Pd-catalysed distal C(sp2)-H and C(sp3)-H bond activation through various redox manifolds including Pd(0)/Pd(II), Pd(II)/Pd(IV) and Pd(II)/Pd(0). Distal C-H functionalisation, where a Pd-catalyst is directly involved in the C-H activation step, either through assistance of an external directing group or directed by an inherent functionality or functional group incorporated at the site of the Pd-C bond is covered. The purpose of this review is to portray the current state of art in Pd-catalysed distal C(sp2)-H and C(sp3)-H functionalisation reactions, their mechanism and application in the late-stage functionalisation of medicinal compounds along with highlighting its limitations, thus leaving the field open for further synthetic adjustment.
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Affiliation(s)
- Wajid Ali
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India.
| | - Gwyndaf A Oliver
- Albert-Ludwigs-Universität Freiburg, Institut für Organische Chemie, Albertstraße 21, D-79104 Freiburg, Germany.
| | - Daniel B Werz
- Albert-Ludwigs-Universität Freiburg, Institut für Organische Chemie, Albertstraße 21, D-79104 Freiburg, Germany.
- Freiburg Institute for Advanced Studies, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India.
- Freiburg Institute for Advanced Studies, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
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2
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Landge VG, Mishra A, Thotamune W, Bonds AL, Alahakoon I, Karunarathne A, Young MC. Selective C-H Activation of Unprotected Allylamines by Control of Catalyst Speciation. CHEM CATALYSIS 2023; 3:100809. [PMID: 37982045 PMCID: PMC10653252 DOI: 10.1016/j.checat.2023.100809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
An outstanding challenge in the Pd-catalyzed functionalization of allylamines is the control of stereochemistry. Terminal alkenes preferentially undergo Heck-type reactions, while internal alkenes may undergo a mixture of Heck and C-H activation reactions that give mixtures of stereochemical products. In the case of unprotected allylamines, the challenge in achieving C-H activation is that facile in situ formation of Pd nanoparticles leads to preferential formation of trans rather than cis-substituted products. In this study we have demonstrated the feasibility of using mono-protected amino acid (MPAA) ligands as metal protecting groups to prevent aggregation and reduction, allowing the selective synthesis of free cis-arylated allylamines. This method complements Heck-selective methods, allowing complete stereochemical control over the synthesis of cinnamylamines, an important class of amine that can serve as therapeutics directly or as advanced intermediates. To highlight the utility of the methodology, we have demonstrated rapid access to mu opioid receptor ligands.
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Affiliation(s)
- Vinod G. Landge
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, Toledo, OH 43606, USA
| | - Ankita Mishra
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, Toledo, OH 43606, USA
| | - Waruna Thotamune
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, MO 63103, USA
| | - Audrey L. Bonds
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, Toledo, OH 43606, USA
| | - Indunil Alahakoon
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, Toledo, OH 43606, USA
| | - Ajith Karunarathne
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, MO 63103, USA
| | - Michael C. Young
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, Toledo, OH 43606, USA
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3
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Shahid M, Banakar VB, Ganesh PSKP, Gopinath P. Transition‐metal Catalyzed Remote C(sp3)‐H functionalization of carboxylic acid and its derivative. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- M. Shahid
- Indian Institute of Science Education and Research Tirupati Chemistry INDIA
| | | | | | - Purushothaman Gopinath
- Indian Institute of Science Education and Research Chemistry Karkambadi Road 517507 Tirupati INDIA
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4
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Wu Y, Wu FW, Zhou K, Li Y, Chen L, Wang S, Xu ZY, Lou SJ, Xu DQ. Rapid access to 9-arylfluorene and spirobifluorene through Pd-catalysed C-H arylation/deaminative annulation. Chem Commun (Camb) 2022; 58:6280-6283. [PMID: 35507823 DOI: 10.1039/d2cc01355j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We describe here a facile synthesis of 9-arylfluorenes and spirobifluorenes from readily available 1,1-diarylmethylamines and iodoarenes through Pd-cataylsed C(sp2)-H arylation and a sequential deaminative annulation. The reaction features high efficiency and simplicity of operation, constituting an interesting shortcut to access fluorene compounds.
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Affiliation(s)
- Yu Wu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Feng-Wei Wu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Kun Zhou
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Yiming Li
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China.
| | - Lei Chen
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Shuang Wang
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Zhen-Yuan Xu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Shao-Jie Lou
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Dan-Qian Xu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
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5
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6
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Ni SF, Huang G, Chen Y, Wright JS, Li M, Dang L. Recent advances in γ-C(sp3)–H bond activation of amides, aliphatic amines, sulfanilamides and amino acids. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214255] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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7
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Tong Z, Peng X, Tang Z, Yang W, Deng W, Yin SF, Kambe N, Qiu R. DTBP-mediated cross-dehydrogenative coupling of 3-aryl benzofuran-2(3 H)-ones with toluenes/phenols for all-carbon quaternary centers. RSC Adv 2022; 12:35215-35220. [DOI: 10.1039/d2ra06231c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022] Open
Abstract
We have developed a transition-metal free protocol for efficient cross-dehydrogenative coupling of 3-aryl benzofuran-2(3H)-ones and toluenes/phenols using DTBP as an oxidant.
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Affiliation(s)
- Zhou Tong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Xinju Peng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Zhi Tang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Weijun Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Wei Deng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Nobuaki Kambe
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Renhua Qiu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
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8
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Liu B, Romine AM, Rubel CZ, Engle KM, Shi BF. Transition-Metal-Catalyzed, Coordination-Assisted Functionalization of Nonactivated C(sp 3)-H Bonds. Chem Rev 2021; 121:14957-15074. [PMID: 34714620 PMCID: PMC8968411 DOI: 10.1021/acs.chemrev.1c00519] [Citation(s) in RCA: 190] [Impact Index Per Article: 63.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Transition-metal-catalyzed, coordination-assisted C(sp3)-H functionalization has revolutionized synthetic planning over the past few decades as the use of these directing groups has allowed for increased access to many strategic positions in organic molecules. Nonetheless, several challenges remain preeminent, such as the requirement for high temperatures, the difficulty in removing or converting directing groups, and, although many metals provide some reactivity, the difficulty in employing metals outside of palladium. This review aims to give a comprehensive overview of coordination-assisted, transition-metal-catalyzed, direct functionalization of nonactivated C(sp3)-H bonds by covering the literature since 2004 in order to demonstrate the current state-of-the-art methods as well as the current limitations. For clarity, this review has been divided into nine sections by the transition metal catalyst with subdivisions by the type of bond formation. Synthetic applications and reaction mechanism are discussed where appropriate.
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Affiliation(s)
- Bin Liu
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 38 Zheda Rd., Hangzhou 310027, China.,College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Andrew M. Romine
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Rd., La Jolla, California 92037, United States
| | - Camille Z. Rubel
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Rd., La Jolla, California 92037, United States
| | - Keary M. Engle
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Rd., La Jolla, California 92037, United States.,Corresponding Author- (K. M. E.); (B.-F. S.)
| | - Bing-Feng Shi
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 38 Zheda Rd., Hangzhou 310027, China.,College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China,Corresponding Author- (K. M. E.); (B.-F. S.)
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9
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Ville A, Annibaletto J, Coufourier S, Hoarau C, Tamion R, Journot G, Schneider C, Brière JF. Amine-Directed Palladium-Catalyzed C-H Halogenation of Phenylalanine Derivatives. Chemistry 2021; 27:13961-13965. [PMID: 34403169 DOI: 10.1002/chem.202102411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Indexed: 12/20/2022]
Abstract
An efficient primary-amine-directed, palladium-catalyzed C-H halogenation (X=I, Br, Cl) of phenylalanine derivatives is reported on a range of quaternary amino acid (AA) derivatives thanks to suitable conditions employing trifluoroacetic acid as additive. The extension of this original native functionality-directed ortho-selective halogenation was even demonstrated with the more challenging native phenylalanine as tertiary AA.
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Affiliation(s)
- Alexia Ville
- Normandie Université, UNIROUEN, INSA Rouen, CNRS, COBRA, 76000, Rouen, France
| | - Julien Annibaletto
- Normandie Université, UNIROUEN, INSA Rouen, CNRS, COBRA, 76000, Rouen, France
| | - Sébastien Coufourier
- Normandie Université, UNIROUEN, INSA Rouen, CNRS, COBRA, 76000, Rouen, France.,Industrial Research Centre-Oril Industrie, CS 60125, 76210, Bolbec, France
| | - Christophe Hoarau
- Normandie Université, UNIROUEN, INSA Rouen, CNRS, COBRA, 76000, Rouen, France
| | - Rodolphe Tamion
- Industrial Research Centre-Oril Industrie, CS 60125, 76210, Bolbec, France
| | - Guillaume Journot
- Industrial Research Centre-Oril Industrie, CS 60125, 76210, Bolbec, France
| | - Cédric Schneider
- Normandie Université, UNIROUEN, INSA Rouen, CNRS, COBRA, 76000, Rouen, France
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10
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Shabani S, Wu Y, Ryan HG, Hutton CA. Progress and perspectives on directing group-assisted palladium-catalysed C-H functionalisation of amino acids and peptides. Chem Soc Rev 2021; 50:9278-9343. [PMID: 34254063 DOI: 10.1039/d0cs01441a] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Peptide modifications can unlock a variety of compounds with structural diversity and abundant biological activity. In nature, peptide modifications, such as functionalisation at the side-chain position of amino acids, are performed using post-translational modification enzymes or incorporation of unnatural amino acids. However, accessing these modifications remains a challenge for organic chemists. During the past decades, selective C-H activation/functionalisation has attracted considerable attention in synthetic organic chemistry as a pathway to peptide modification. Various directing group strategies have been discovered that assist selective C-H activation. In particular, bidentate directing groups that enable tuneable and reversible coordination are now recognised as one of the most efficient methods for the site-selective C-H activation and functionalisation of numerous families of organic compounds. Synthetic peptide chemists have harnessed bidentate directing group strategies for selective functionalisation of the β- and γ-positions of amino acids. This method has been expanded and recognised as an effective device for the late stage macrocyclisation and total synthesis of complex peptide natural products. In this review, we discuss various β-, γ-, and δ-C(sp3)-H bond functionalisation reactions of amino acids for the formation of C-X bonds with the aid of directing groups and their application in late-stage macrocyclisation and the total synthesis of complex peptide natural products.
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Affiliation(s)
- Sadegh Shabani
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Victoria, 3010, Australia.
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11
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Vicens L, Bietti M, Costas M. General Access to Modified α-Amino Acids by Bioinspired Stereoselective γ-C-H Bond Lactonization. Angew Chem Int Ed Engl 2021; 60:4740-4746. [PMID: 33210804 DOI: 10.1002/anie.202007899] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 11/02/2020] [Indexed: 01/06/2023]
Abstract
α-Amino acids represent a valuable class of natural products employed as building blocks in biological and chemical synthesis. Because of the limited number of natural amino acids available, and of their widespread application in proteomics, diagnosis, drug delivery and catalysis, there is an increasing demand for the development of procedures for the preparation of modified analogues. Herein, we show that the use of bioinspired manganese catalysts and H2 O2 under mild conditions, provides access to modified α-amino acids via γ-C-H bond lactonization. The system can efficiently target 1°, 2° and 3° γ-C-H bonds of α-substituted and achiral α,α-disubstituted α-amino acids with outstanding site-selectivity, good to excellent diastereoselectivity and (where applicable) enantioselectivity. This methodology may be considered alternative to well-established organometallic procedures.
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Affiliation(s)
- Laia Vicens
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, 17071, Girona, Catalonia, Spain
| | - Massimo Bietti
- Dipartimento di Scienze e Tecnologie Chimiche, Università "Tor Vergata", Via della Ricerca Scientifica, 1, 00133, Rome, Italy
| | - Miquel Costas
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, 17071, Girona, Catalonia, Spain
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12
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Saini G, Kapur M. Palladium-catalyzed functionalizations of acidic and non-acidic C(sp 3)-H bonds - recent advances. Chem Commun (Camb) 2021; 57:1693-1714. [PMID: 33492315 DOI: 10.1039/d0cc06892f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A tremendous upsurge has been seen in the recent decade for the proximal and remote functionalization of activated and unactivated substrates via palladium redox pathways. This feature article discusses some of the recent reports on direct as well as indirect C(sp3)-H functionalization via cross-coupling reactions under palladium catalysis. Activated substrates (possessing acidic C(sp3)-H) including enones, ketones, aldehydes, silylenol ethers, esters, silyl ketene acetals, amides, cyano, α-amino esters, and O-carbamates, capable of undergoing cross-coupling reactions at the α-, β-, γ-, δ- and ε-positions, will be discussed. To overcome the challenging task of achieving regioselectivity, a variety of innovative modifications have been reported. The reports of C-H activations based on directing group, and as native functionality have been illustrated at the β-, γ- and δ-positions. Substrates such as α-amino esters, carbonyls, carboxylic acids and their derivatives, afford site-selective C(sp3)-H functionalization via varied-sized reactive metallacycles and are a unique class of substrates whose C(sp3)-H functionalizations were earlier considered as very difficult.
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Affiliation(s)
- Gaurav Saini
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, MP, India.
| | - Manmohan Kapur
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, MP, India.
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13
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Ha H, Choi HJ, Park H, Gwon Y, Lee J, Kwak J, Kim M, Jung B. Pd‐Catalyzed Regio‐ and Stereoselective
sp
3
C−H Arylation of Primary Aliphatic Amines: Mechanistic Studies and Synthetic Applications. European J Org Chem 2021. [DOI: 10.1002/ejoc.202001428] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Hyeonbin Ha
- Department of Chemistry Chungbuk National University Cheongju 28644 Republic of Korea
| | - Ho Jeong Choi
- Department of Chemistry Chungbuk National University Cheongju 28644 Republic of Korea
| | - Hahyoun Park
- Department of Emerging Materials Science Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 Republic of Korea
| | - Yunyeong Gwon
- Department of Emerging Materials Science Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 Republic of Korea
| | - Jiin Lee
- Department of Emerging Materials Science Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 Republic of Korea
| | - Jaesung Kwak
- Infectious Diseases Therapeutic Research Center Korea Research Institute of Chemical Technology (KRICT) Daejeon 34114 Republic of Korea
| | - Min Kim
- Department of Chemistry Chungbuk National University Cheongju 28644 Republic of Korea
| | - Byunghyuck Jung
- Department of Emerging Materials Science Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 Republic of Korea
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14
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General Access to Modified α‐Amino Acids by Bioinspired Stereoselective γ‐C−H Bond Lactonization. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007899] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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15
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Wang S, Yu B, Liu HM. Pd(II)-Catalyzed Intramolecular C(sp2)–H Arylation of Tryptamines Using the Nonsteric NH2 as a Directing Group. Org Lett 2020; 23:42-48. [DOI: 10.1021/acs.orglett.0c03668] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Sixi Wang
- School of Pharmaceutical Sciences & Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou 450001, China
| | - Bin Yu
- School of Pharmaceutical Sciences & Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou 450001, China
| | - Hong-Min Liu
- School of Pharmaceutical Sciences & Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou 450001, China
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16
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Hou ZL, Yuan F, Yao B. Peptide Modification via N-Terminal-Residue-Directed γ-C(sp3)–H Arylation. Org Lett 2020; 22:8692-8696. [DOI: 10.1021/acs.orglett.0c03279] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Zhen-Lin Hou
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic−Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Feipeng Yuan
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic−Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Bo Yao
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic−Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
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17
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Laga E, Cativiela C, Urriolabeitia EP. Alkenylation of ortho-palladated phenylglycine: synthesis of stilbene derivatives and 3-aryl-isoquinoline-1-carboxylates. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121482] [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]
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18
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Higham JI, Bull JA. Transient imine directing groups for the C-H functionalisation of aldehydes, ketones and amines: an update 2018-2020. Org Biomol Chem 2020; 18:7291-7315. [PMID: 32926032 DOI: 10.1039/d0ob01587c] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
The use of pre-installed directing groups has become a popular and powerful strategy to control site selectivity in transition metal catalysed C-H functionalisation reactions. However, the necessity for directing group installation and removal reduces the efficiency of a directed C-H functionalisation method. To overcome this limitation, taking inspiration from organocatalytic methodologies, the use of transient directing groups has arisen. These methods allow for a transient ligand to be used, potentially in catalytic quantities, without the need for discrete installation or removal steps, enabling the discovery of more efficient, and mechanistically intriguing, dual catalytic methods. This review summarises recent developments in this fast moving field covering >70 new methodologies, highlighting new directing group designs and advances in mechanistic understanding. It covers progress since 2018, providing an update to our previous review of the field.
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Affiliation(s)
- Joe I Higham
- Department of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, UK.
| | - James A Bull
- Department of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, UK.
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19
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Kapoor M, Singh A, Sharma K, Hua Hsu M. Site‐Selective C(
sp
3
)−H and C(
sp
2
)−H Functionalization of Amines Using a Directing‐Group‐Guided Strategy. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000689] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Mohit Kapoor
- Chitkara University Institute of Engineering and Technology Chitkara University Punjab India 140401
| | - Adhish Singh
- Chitkara University Institute of Engineering and Technology Chitkara University Punjab India 140401
| | - Kirti Sharma
- Chitkara University Institute of Engineering and Technology Chitkara University Punjab India 140401
| | - Ming Hua Hsu
- Department of Chemistry National Changhua University of Education Taiwan 500, R.O.C Changhua
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20
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Wang J, Ling B, Liu P, Liu Y, Jiang YY, Bi S. Density Functional Theory Study on the Mechanism of Iridium-Catalyzed Benzylamine ortho C-H Alkenylation with Ethyl Acrylate. ACS OMEGA 2020; 5:15446-15453. [PMID: 32637819 PMCID: PMC7331057 DOI: 10.1021/acsomega.0c01587] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 06/02/2020] [Indexed: 05/02/2023]
Abstract
Iridium-catalyzed oxidative o-alkenylation of benzylamines with acrylates was enabled by the directing group pentafluorobenzoyl (PFB). Density functional theory calculations were performed to explore the detailed reaction mechanism. The calculated results reveal that N-deprotonation prior to C-H activation is favored over direct C-H activation. Moreover, C-H activation is reversible and not the rate-determining step, which has been supported by the experimental observation. The regio- and stereoselectivity of ethyl acrylate insertion are controlled by the steric effect and the carbon atom with a larger orbital coefficient of the π* antibonding orbital in the nucleophilic attack, respectively. The migratory insertion of ethyl acrylate is computationally found to be rate-determining for the whole catalytic cycle. Finally, the seven-membered ring intermediate IM11 undergoes a sequential N-protonation and β-H elimination with the assistance of AcOH, rather than β-H elimination and reductive elimination proposed experimentally, to afford the o-alkenylated product. IM11 is unable to directly cyclize through C-N reductive elimination because both sp3-hybridized N and C atoms are unfavorable for N-C reductive elimination. The origin of the directing group PFB preventing the product and intermediates undergoing aza-Michael addition has been explained.
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21
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Wang Z, Fu Y, Zhang Q, Liu H, Wang J. Pd(II)-Catalyzed Direct γ-C(sp 3)-H Arylation between Free β 2-Amino Esters and β 3-Amino Esters and Aryl Iodides Using a Catalytic Transient Directing Group. J Org Chem 2020; 85:7683-7693. [PMID: 32423204 DOI: 10.1021/acs.joc.0c00115] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Pd(II)-catalyzed direct γ-C(sp3)-H arylation coupling with free β2-amino esters and β3-amino esters using a commercially available catalytic transient directing group has been developed. This approach features high efficiency, broad substrate tolerance, easily accessible starting materials, and mild reaction conditions.
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Affiliation(s)
- Zhaohui Wang
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China.,State Key Laboratory of Drug Research and Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Yangjie Fu
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China.,State Key Laboratory of Drug Research and Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Qiyu Zhang
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China.,State Key Laboratory of Drug Research and Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Hong Liu
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China.,State Key Laboratory of Drug Research and Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Jiang Wang
- State Key Laboratory of Drug Research and Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
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22
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Native amine-directed site-selective C(sp3)-H arylation of primary aliphatic amines with aryl iodides. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.10.034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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23
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Chand-Thakuri P, Landge VG, Kapoor M, Young MC. One-Pot C–H Arylation/Lactamization Cascade Reaction of Free Benzylamines. J Org Chem 2020; 85:6626-6644. [DOI: 10.1021/acs.joc.0c00542] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pratibha Chand-Thakuri
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States
| | - Vinod G. Landge
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States
| | - Mohit Kapoor
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States
| | - Michael C. Young
- Department of Chemistry & Biochemistry, School of Green Chemistry & Engineering, The University of Toledo, 2801 W. Bancroft St., Mailstop 602, Toledo, Ohio 43606, United States
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24
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Yuan F, Hou ZL, Pramanick PK, Yao B. Site-Selective Modification of α-Amino Acids and Oligopeptides via Native Amine-Directed γ-C(sp3)-H Arylation. Org Lett 2019; 21:9381-9385. [DOI: 10.1021/acs.orglett.9b03607] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Feipeng Yuan
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Zhen-Lin Hou
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Pranab K. Pramanick
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Bo Yao
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
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25
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Fan S, Ding Y, Chen X, Gao Y, Fu L, Li S, Li G. Palladium-Catalyzed C(sp2)–H Olefination of Free Primary and Secondary 2-Phenylethylamines: Access to Tetrahydroisoquinolines. J Org Chem 2019; 84:13003-13012. [DOI: 10.1021/acs.joc.9b01769] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Shuai Fan
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
| | - Yongzheng Ding
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoxi Chen
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yuzhen Gao
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Lei Fu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Shangda Li
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Gang Li
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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26
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Kapoor M, Chand-Thakuri P, Young MC. Carbon Dioxide-Mediated C(sp2)–H Arylation of Primary and Secondary Benzylamines. J Am Chem Soc 2019; 141:7980-7989. [DOI: 10.1021/jacs.9b03375] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Mohit Kapoor
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, University of Toledo, Toledo, Ohio 43606, United States
| | - Pratibha Chand-Thakuri
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, University of Toledo, Toledo, Ohio 43606, United States
| | - Michael C. Young
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, University of Toledo, Toledo, Ohio 43606, United States
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