1
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Ji H, Ma Y, Zhang J, Xing F, Liu C. Palladium-catalyzed Suzuki-Miyaura cross-coupling of carboxylic-phosphoric anhydrides via C-O bond cleavage. Org Biomol Chem 2024. [PMID: 38895804 DOI: 10.1039/d4ob00548a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
A robust palladium-catalyzed Suzuki-Miyaura reaction of carboxylic-phosphoric anhydrides via highly selective C(O)-O bond cleavage under inorganic base-free conditions has been reported. Carboxylic-phosphoric anhydrides, generated through activating carboxylic acids using phosphates by esterification or direct dehydrogenative reaction with phosphites, have been employed as highly reactive electrophiles for Suzuki-Miyaura cross-coupling reactions. Broad substrate scope and excellent functional group tolerance have been demonstrated to be a general and practical approach for the synthesis of highly valuable ketones.
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Affiliation(s)
- Haiyao Ji
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China.
| | - Yilin Ma
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China.
| | - Jianwen Zhang
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China.
| | - Feifei Xing
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China.
| | - Chengwei Liu
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China.
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2
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Gao P, Rahman MM, Zamalloa A, Feliciano J, Szostak M. Classes of Amides that Undergo Selective N-C Amide Bond Activation: The Emergence of Ground-State Destabilization. J Org Chem 2023; 88:13371-13391. [PMID: 36054817 DOI: 10.1021/acs.joc.2c01094] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ground-state destabilization of the N-C(O) linkage represents a powerful tool to functionalize the historically inert amide bond. This burgeoning reaction manifold relies on the availability of amide bond precursors that participate in weakening of the nN → π*C=O conjugation through N-C twisting, N pyramidalization, and nN electronic delocalization. Since 2015, acyl N-C amide bond activation through ground-state destabilization of the amide bond has been achieved by transition-metal-catalyzed oxidative addition of the N-C(O) bond, generation of acyl radicals, and transition-metal-free acyl addition. This Perspective summarizes contributions of our laboratory in the development of new ground-state-destabilized amide precursors enabled by twist and electronic activation of the amide bond and synthetic utility of ground-state-destabilized amides in cross-coupling reactions and acyl addition reactions. The use of ground-state-destabilized amides as electrophiles enables a plethora of previously unknown transformations of the amide bond, such as acyl coupling, decarbonylative coupling, radical coupling, and transition-metal-free coupling to forge new C-C, C-N, C-O, C-S, C-P, and C-B bonds. Structural studies of activated amides and catalytic systems developed in the past decade enable the view of the amide bond to change from the "traditionally inert" to "readily modifiable" functional group with a continuum of reactivity dictated by ground-state destabilization.
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Affiliation(s)
- Pengcheng Gao
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Md Mahbubur Rahman
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Alfredo Zamalloa
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Jessica Feliciano
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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3
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Liu C, Szostak M. Amide N-C Bond Activation: A Graphical Overview of Acyl and Decarbonylative Coupling. SYNOPEN 2023; 7:88-101. [PMID: 38037650 PMCID: PMC10686541 DOI: 10.1055/a-2035-6733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
This Graphical Review provides an overview of amide bond activation achieved by selective oxidative addition of the N-C(O) acyl bond to transition metals and nucleophilic acyl addition, resulting in acyl and decarbonylative coupling together with key mechanistic details pertaining to amide bond distortion underlying this reactivity manifold.
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Affiliation(s)
- Chengwei Liu
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
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4
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Huang B, Zhang X, Guo Y, Tie S, Yang D, Li Y. A One‐Pot Three‐Step Strategy Enables Robust and Efficient Synthesis of 2‐Aryl Benzoxazoles from Amides. ChemistrySelect 2022. [DOI: 10.1002/slct.202203149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Bomao Huang
- College of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Xinlan Zhang
- College of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Yue Guo
- College of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Shaolong Tie
- College of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Dingqiao Yang
- College of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Yue Li
- College of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
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5
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Liu Y, Mo X, Majeed I, Zhang M, Wang H, Zeng Z. An Efficient and Straightforward Approach for Accessing Thioesters via Palladium-Catalyzed C-N Cleavage of Thioamides. Org Biomol Chem 2022; 20:1532-1537. [DOI: 10.1039/d1ob02349g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We first report the coupling of activated thioamides with alcohols to efficiently form thioesters via palladium-catalyzed C-N cleavage strategy. The new approach employs the thioamides as thioacylating reagent to give...
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6
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Abstract
In this contribution, we provide a comprehensive overview of acyclic twisted amides, covering the literature since 1993 (the year of the first recognized report on acyclic twisted amides) through June 2020. The review focuses on classes of acyclic twisted amides and their key structural properties, such as amide bond twist and nitrogen pyramidalization, which are primarily responsible for disrupting nN to π*C═O conjugation. Through discussing acyclic twisted amides in comparison with the classic bridged lactams and conformationally restricted cyclic fused amides, the reader is provided with an overview of amidic distortion that results in novel conformational features of acyclic amides that can be exploited in various fields of chemistry ranging from organic synthesis and polymers to biochemistry and structural chemistry and the current position of acyclic twisted amides in modern chemistry.
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Affiliation(s)
- Guangrong Meng
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Jin Zhang
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States.,College of Chemistry and Chemical Engineering, Key Laboratory of Chemical Additives for China National Light Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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7
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Zhang Y, Ye X, Liu S, Chen W, Majeed I, Liu T, Zhu Y, Zeng Z. NaOTs-promoted transition metal-free C-N bond cleavage to form C-X (X = N, O, S) bonds. Org Biomol Chem 2021; 19:8566-8571. [PMID: 34550144 DOI: 10.1039/d1ob01409a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Multifunctional transformation of amide C-N bond cleavage is reported. The protocol applies to benzamide, thioamide, alcohols, and mercaptan under similar reaction conditions catalyzed by NaOTs. It is noteworthy that NaOTs can not only be recycled and reused for up to three cycles without significant loss in catalytic activity, but also catalyze gram-grade reactions. This study provides a novel solution with mild conditions and a simple procedure for transformation of multiple amides.
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Affiliation(s)
- Yuqi Zhang
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China.
| | - Xiaojing Ye
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China.
| | - Sicheng Liu
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China.
| | - Wei Chen
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China.
| | - Irfan Majeed
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China.
| | - Tingting Liu
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China.
| | - Yulin Zhu
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China.
| | - Zhuo Zeng
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China. .,Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences, China
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8
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Rahman MM, Pyle DJ, Bisz E, Dziuk B, Ejsmont K, Lalancette R, Wang Q, Chen H, Szostak R, Szostak M. Evaluation of Cyclic Amides as Activating Groups in N-C Bond Cross-Coupling: Discovery of N-Acyl-δ-valerolactams as Effective Twisted Amide Precursors for Cross-Coupling Reactions. J Org Chem 2021; 86:10455-10466. [PMID: 34275281 DOI: 10.1021/acs.joc.1c01110] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The development of efficient methods for facilitating N-C(O) bond activation in amides is an important objective in organic synthesis that permits the manipulation of the traditionally unreactive amide bonds. Herein, we report a comparative evaluation of a series of cyclic amides as activating groups in amide N-C(O) bond cross-coupling. Evaluation of N-acyl-imides, N-acyl-lactams, and N-acyl-oxazolidinones bearing five- and six-membered rings using Pd(II)-NHC and Pd-phosphine systems reveals the relative reactivity order of N-activating groups in Suzuki-Miyaura cross-coupling. The reactivity of activated phenolic esters and thioesters is evaluated for comparison in O-C(O) and S-C(O) cross-coupling under the same reaction conditions. Most notably, the study reveals N-acyl-δ-valerolactams as a highly effective class of mono-N-acyl-activated amide precursors in cross-coupling. The X-ray structure of the model N-acyl-δ-valerolactam is characterized by an additive Winkler-Dunitz distortion parameter Σ(τ+χN) of 54.0°, placing this amide in a medium distortion range of twisted amides. Computational studies provide insight into the structural and energetic parameters of the amide bond, including amidic resonance, N/O-protonation aptitude, and the rotational barrier around the N-C(O) axis. This class of N-acyl-lactams will be a valuable addition to the growing portfolio of amide electrophiles for cross-coupling reactions by acyl-metal intermediates.
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Affiliation(s)
- Md Mahbubur Rahman
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Daniel J Pyle
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Elwira Bisz
- Department of Chemistry, Opole University, 48 Oleska Street, Opole 45-052, Poland
| | - Błażej Dziuk
- Department of Chemistry, Opole University, 48 Oleska Street, Opole 45-052, Poland.,Department of Chemistry, Wroclaw University of Science and Technology, Norwida 4/6 14, Wroclaw 50-373, Poland
| | - Krzysztof Ejsmont
- Department of Chemistry, Opole University, 48 Oleska Street, Opole 45-052, Poland
| | - Roger Lalancette
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Qi Wang
- Department of Chemistry & Environmental Science, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - Hao Chen
- Department of Chemistry & Environmental Science, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - Roman Szostak
- Department of Chemistry, Wroclaw University, F. Joliot-Curie 14, Wroclaw 50-383, Poland
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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9
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Liu J, Yang Y, Ouyang K, Zhang WX. Transition-metal-catalyzed transformations of C–N single bonds: Advances in the last five years, challenges and prospects. GREEN SYNTHESIS AND CATALYSIS 2021. [DOI: 10.1016/j.gresc.2021.04.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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10
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He Z, Wang Z, Ru J, Wang Y, Liu T, Zeng Z. A Strategy for Accessing Aldehydes
via
Palladium‐Catalyzed C−O/C−N Bond Cleavage in the Presence of Hydrosilanes. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000794] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zhanyu He
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Zijia Wang
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Junxiang Ru
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Yulin Wang
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Tingting Liu
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Zhuo Zeng
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Science 345 Lingling Road Shanghai 200032 China
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11
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Jian J, He Z, Zhang Y, Liu T, Liu L, Wang Z, Wang H, Wang S, Zeng Z. Palladium‐Catalyzed Suzuki Coupling of
N
‐Acyloxazolidinones via Selective Cleavage of C–N Bonds. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000575] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Junsheng Jian
- College of Chemistry South China Normal University 510006 Guangzhou Guangdong P. R. China
| | - Zhanyu He
- College of Chemistry South China Normal University 510006 Guangzhou Guangdong P. R. China
| | - Yuqi Zhang
- College of Chemistry South China Normal University 510006 Guangzhou Guangdong P. R. China
| | - Tingting Liu
- College of Chemistry South China Normal University 510006 Guangzhou Guangdong P. R. China
| | - Lizhen Liu
- College of Chemistry South China Normal University 510006 Guangzhou Guangdong P. R. China
| | - Zijia Wang
- College of Chemistry South China Normal University 510006 Guangzhou Guangdong P. R. China
| | - Hui Wang
- College of Chemistry South China Normal University 510006 Guangzhou Guangdong P. R. China
| | - Sanyong Wang
- Guangye L&P Food Ingredient Co., Ltd. 510308 Guangzhou Guangdong P. R. China
| | - Zhuo Zeng
- College of Chemistry South China Normal University 510006 Guangzhou Guangdong P. R. China
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12
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Wang CA, Liu C, Szostak M. N-Acyl-5,5-Dimethylhydantoins: Mild Acyl-Transfer Reagents for the Synthesis of Ketones Using Pd–PEPPSI or Pd/Phosphine Catalysts. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00054] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Chang-An Wang
- College of Chemistry and Chemical Engineering, Taishan University, Tai’an, Shandong 271000, China
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Chengwei Liu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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13
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Neerbye Berntsen L, Nova A, Wragg DS, Sandtorv AH. Cu-catalyzed N-3-Arylation of Hydantoins Using Diaryliodonium Salts. Org Lett 2020; 22:2687-2691. [PMID: 32202123 PMCID: PMC7309330 DOI: 10.1021/acs.orglett.0c00642] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
A general Cu-catalyzed,
regioselective method for the N-3-arylation of hydantoins
is described. The protocol utilizes aryl(trimethoxyphenyl)iodonium
tosylate as the arylating agent in the presence of triethylamine and
a catalytic amount of a simple Cu-salt. The method is compatible with
structurally diverse hydantoins and operates well with neutral aryl
groups or aryl groups bearing weakly donating/withdrawing elements.
It is also applicable for the rapid diversification of pharmaceutically
relevant hydantoins.
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Affiliation(s)
- Linn Neerbye Berntsen
- Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, N-0315 Oslo, Norway
| | - Ainara Nova
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, N-0315 Oslo, Norway
| | - David S Wragg
- Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, N-0315 Oslo, Norway
| | - Alexander H Sandtorv
- Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, N-0315 Oslo, Norway
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14
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Zhang Y, Wang Z, Tang Z, Luo Z, Wu H, Liu T, Zhu Y, Zeng Z. Water Phase, Room Temperature, Ligand-Free Suzuki-Miyaura Cross-Coupling: A Green Gateway to Aryl Ketones by C-N Bond Cleavage. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901730] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yuqi Zhang
- College of Chemistry; South China Normal University; 510006 Guangzhou Guangdong P. R. China
| | - Zijia Wang
- College of Chemistry; South China Normal University; 510006 Guangzhou Guangdong P. R. China
| | - Zhao Tang
- Class Zheng, International Department; The Affiliated High School of SCNU; 516006 Guangzhou China
| | - Zhongfeng Luo
- College of Chemistry; South China Normal University; 510006 Guangzhou Guangdong P. R. China
| | - Hongxiang Wu
- College of Chemistry; South China Normal University; 510006 Guangzhou Guangdong P. R. China
| | - Tingting Liu
- College of Chemistry; South China Normal University; 510006 Guangzhou Guangdong P. R. China
| | - Yulin Zhu
- College of Chemistry; South China Normal University; 510006 Guangzhou Guangdong P. R. China
| | - Zhuo Zeng
- College of Chemistry; South China Normal University; 510006 Guangzhou Guangdong P. R. China
- Key Laboratory of Organofluorine Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Science; 345 LingLing Road 200032 Shanghai China
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15
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Mai WP, Liu Y, Sui HD, Xiao YM, Mao P, Lu K. A Novel Ketonitrile Synthesis by Palladium-Catalyzed Carbonylative Coupling Reactions of Amides with Arylboronic Acids. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Wen-Peng Mai
- School of Materials and Chemical Engineering; Henan University of Engineering; 450006 Zhengzhou China
- School of Chemistry and Chemical Engineering; Henan University of Technology; 450001 Zhengzhou China
| | - Yang Liu
- School of Chemistry and Chemical Engineering; Henan University of Technology; 450001 Zhengzhou China
| | - Hong-Dai Sui
- School of Chemistry and Chemical Engineering; Henan University of Technology; 450001 Zhengzhou China
| | - Yong-Mei Xiao
- School of Chemistry and Chemical Engineering; Henan University of Technology; 450001 Zhengzhou China
| | - Pu Mao
- School of Chemistry and Chemical Engineering; Henan University of Technology; 450001 Zhengzhou China
| | - Kui Lu
- School of Materials and Chemical Engineering; Henan University of Engineering; 450006 Zhengzhou China
- School of Chemistry and Chemical Engineering; Henan University of Technology; 450001 Zhengzhou China
- School of Chemical Engineering and Food Science; Zhengzhou Institute of Technology; 450044 Zhengzhou China
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16
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Xiong L, Deng R, Liu T, Luo Z, Wang Z, Zhu X, Wang H, Zeng Z. Selective C−N Bond Cleavage of
N
‐Acylisatins: Towards High Performance Acylation/Arylation/Transamination Reagents. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900819] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Li Xiong
- College of Chemistry and EnvironmentSouth China Normal University Guangzhou 510006 People's Republic of China
| | - Rong Deng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapySun Yat-sen University Cancer Center Guangzhou 510060 People's Republic of China
| | - Tingting Liu
- College of Chemistry and EnvironmentSouth China Normal University Guangzhou 510006 People's Republic of China
| | - Zhongfeng Luo
- College of Chemistry and EnvironmentSouth China Normal University Guangzhou 510006 People's Republic of China
| | - Zijia Wang
- College of Chemistry and EnvironmentSouth China Normal University Guangzhou 510006 People's Republic of China
| | - Xiao‐Feng Zhu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapySun Yat-sen University Cancer Center Guangzhou 510060 People's Republic of China
| | - Hui Wang
- College of Chemistry and EnvironmentSouth China Normal University Guangzhou 510006 People's Republic of China
| | - Zhuo Zeng
- College of Chemistry and EnvironmentSouth China Normal University Guangzhou 510006 People's Republic of China
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic ChemistryChinese Academy of Sciences Shanghai People's Republic of China 200032
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17
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Parida C, Maity R, Chandra Sahoo S, Chandra Pan S. α-Nitro-α,β-Unsaturated Ketones: An Electrophilic Acyl Transfer Reagent in Catalytic Asymmetric Friedel–Crafts and Michael Reactions. Org Lett 2019; 21:6700-6704. [DOI: 10.1021/acs.orglett.9b02310] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Chandrakanta Parida
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Rajendra Maity
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Subas Chandra Sahoo
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Subhas Chandra Pan
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
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18
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Luo Z, Xiong L, Liu T, Zhang Y, Lu S, Chen Y, Guo W, Zhu Y, Zeng Z. Palladium-Catalyzed Decarbonylative Suzuki–Miyaura Coupling of Amides To Achieve Biaryls via C–N Bond Cleavage. J Org Chem 2019; 84:10559-10568. [DOI: 10.1021/acs.joc.9b01103] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Zhongfeng Luo
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, China
| | - Li Xiong
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, China
| | - Tingting Liu
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, China
| | - Yuqi Zhang
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, China
| | - Siqi Lu
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, China
| | - Yuwen Chen
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, China
| | - Weijie Guo
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, China
| | - Yulin Zhu
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, China
| | - Zhuo Zeng
- College of Chemistry and Environment, South China Normal University, Guangzhou 510006, China
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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19
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Luo Z, Wu H, Li Y, Chen Y, Nie J, Lu S, Zhu Y, Zeng Z. Cesium Fluoride and Copper‐Catalyzed One‐Pot Synthesis of Benzoxazoles
via
a Site‐Selective Amide C−N Bond Cleavage. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900485] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Zhongfeng Luo
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Hongxiang Wu
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Yue Li
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Yuwen Chen
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Jingyi Nie
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Siqi Lu
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Yulin Zhu
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
| | - Zhuo Zeng
- College of Chemistry and Environment South China Normal University Guangzhou 510006 People's Republic of China
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry Chinese Academy of Science 345 Lingling Road Shanghai 200032 People's Republic of China
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Li Y, Wu H, Zeng Z. Palladium-Catalyzed Aerobic Oxidative Coupling of Amides with Arylboronic Acids by Cooperative Catalysis. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900531] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yue Li
- College of Chemistry & Environment; South China Normal University; 510006 Guangzhou Guangdong China
| | - Hongxiang Wu
- College of Chemistry & Environment; South China Normal University; 510006 Guangzhou Guangdong China
| | - Zhuo Zeng
- College of Chemistry & Environment; South China Normal University; 510006 Guangzhou Guangdong China
- Shanghai Institute of Organic Chemistry; Chinese Academy of Science; 354 Lingling Road 200032 Shanghai China
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21
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Vemula SR, Chhoun MR, Cook GR. Well-Defined Pre-Catalysts in Amide and Ester Bond Activation. Molecules 2019; 24:E215. [PMID: 30634382 PMCID: PMC6359523 DOI: 10.3390/molecules24020215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 01/02/2019] [Accepted: 01/02/2019] [Indexed: 11/17/2022] Open
Abstract
Over the past few decades, transition metal catalysis has witnessed a rapid and extensive development. The discovery and development of cross-coupling reactions is considered to be one of the most important advancements in the field of organic synthesis. The design and synthesis of well-defined and bench-stable transition metal pre-catalysts provide a significant improvement over the current catalytic systems in cross-coupling reactions, avoiding excess use of expensive ligands and harsh conditions for the synthesis of pharmaceuticals, agrochemicals and materials. Among various well-defined pre-catalysts, the use of Pd(II)-NHC, particularly, provided new avenues to expand the scope of cross-coupling reactions incorporating unreactive electrophiles, such as amides and esters. The strong σ-donation and tunable steric bulk of NHC ligands in Pd-NHC complexes facilitate oxidative addition and reductive elimination steps enabling the cross-coupling of broad range of amides and esters using facile conditions contrary to the arduous conditions employed under traditional catalytic conditions. Owing to the favorable catalytic activity of Pd-NHC catalysts, a tremendous progress was made in their utilization for cross-coupling reactions via selective acyl C⁻X (X=N, O) bond cleavage. This review highlights the recent advances made in the utilization of well-defined pre-catalysts for C⁻C and C⁻N bond forming reactions via selective amide and ester bond cleavage.
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Affiliation(s)
- Sandeep R Vemula
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND 58108⁻6050, USA.
| | - Michael R Chhoun
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND 58108⁻6050, USA.
| | - Gregory R Cook
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND 58108⁻6050, USA.
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Abstract
Acyl Suzuki cross-coupling involves the coupling of an organoboron reagent with an acyl electrophile (acyl halide, anhydride, ester, amide). This review provides a timely overview of the very important advances that have recently taken place in the acylative Suzuki cross-coupling. Particular emphasis is directed toward the type of acyl electrophiles, catalyst systems and new cross-coupling partners. This review will be of value to synthetic chemists involved in this rapidly developing field of Suzuki cross-coupling as well as those interested in using acylative Suzuki cross-coupling for the synthesis of ketones as a catalytic alternative to stoichiometric nucleophilic additions or Friedel-Crafts reactions.
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23
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Zhou PX, Shi S, Wang J, Zhang Y, Li C, Ge C. Palladium/copper-catalyzed decarbonylative heteroarylation of amides via C–N bond activation. Org Chem Front 2019. [DOI: 10.1039/c9qo00106a] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A novel strategy for the synthesis of 2-arylated oxazole derivatives via palladium/copper-catalyzed decarbonylative heteroarylation of amides via C–N bond activation by ground-state destabilization is reported.
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Affiliation(s)
- Ping-Xin Zhou
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Shuai Shi
- School of Foreign Language
- Xinxiang Medical University
- Xinxiang
- China
| | - Jia Wang
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Yalei Zhang
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Changzheng Li
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Chunpo Ge
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
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24
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Wang Q, Liu L, Dong J, Tian Z, Chen T. Metal-free thioesterification of amides generating acyl thioesters. NEW J CHEM 2019. [DOI: 10.1039/c9nj01748h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A base-initiated thioesterification of amides with various thiols is reported. This reaction can take place efficiently under metal-free and air-atmospheric conditions, and provides a facile and practically useful approach to the synthesis of valuable acyl thioesters.
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Affiliation(s)
- Qun Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering, Hunan University
- Changsha 410082
- China
| | - Long Liu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- College of Materials and Chemical Engineering
- Hainan University
- Haikou
- China
| | - Jianyu Dong
- Department of Educational Science, Hunan First Normal University
- Changsha 410205
- China
| | - Zhibin Tian
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- College of Materials and Chemical Engineering
- Hainan University
- Haikou
- China
| | - Tieqiao Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering, Hunan University
- Changsha 410082
- China
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
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