1
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Zhang W, Yang XJ, Kirillov AM, Yang L, Fang R. Density Functional Theory Rationalization of the Mechanism, Selectivity, and Role of Substituents in Au(I)-Catalyzed Synthesis of Pyrazolines and Dihydropyridines. J Org Chem 2024; 89:18209-18217. [PMID: 39637310 DOI: 10.1021/acs.joc.4c02087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2024]
Abstract
A comprehensive theoretical investigation into the gold-catalyzed synthesis of polysubstituted pyrazolines and dihydropyridines from imines and methyl phenylpropiolate was conducted in this study. Three imines with distinct substituents were selected as model reactants. The computational outcomes reveal that four-membered intermediates generated from aza-enyne metathesis significantly affect the reaction selectivity. For nitrogen-centered NHCO2Me substituents (series A), an outward ring opening occurs during the metathesis of the aza-alkyne. This leads to the formation of Z-butadiene intermediates and ultimately to pyrazoline products. Conversely, with an aromatic substituent at the nitrogen site (series B and C), an inward ring opening takes place. This results in E-butadiene intermediates and the synthesis of dihydropyridine derivatives. The dihydropyridine product's configuration is determined by the aromatic ring's substituent. Electron-donating groups tend to directly form 1,4-dihydropyridine through a 6π electrocyclization (series B). In contrast, strong electron-withdrawing substituents initially undergo azayne metathesis, followed by 6π electrocyclization to produce 1,2-dihydropyridine products (series C). Furthermore, the distinctive selectivities were investigated in depth using global reactivity index and distortion/interaction methods. This research may contribute to the design of more effective and selective protocols to access pyrazolines, dihydropyridines, and related compounds.
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Affiliation(s)
- Wendi Zhang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xiao-Jiao Yang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Alexander M Kirillov
- MINDlab: Molecular Design & Innovation Laboratory, Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Lisbon 1049-001, Portugal
| | - Lizi Yang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Ran Fang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, P. R. China
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2
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Zhou PX, Du XY, Liu Y, Qiu SH, Wang Q, Kong YY, Liang YM. Palladium-Catalyzed Autotandem Ring-Opening of Cyclopropanols with Gem-Dibromoolefins for the Synthesis of β-Pyrrolo[1,2- a]quinolinyl Ketones. J Org Chem 2024; 89:18199-18208. [PMID: 39665193 DOI: 10.1021/acs.joc.4c02061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2024]
Abstract
Herein, the palladium-catalyzed autotandem reaction of cyclopropyl alcohols with gem-dibromoolefins is described. This reaction system involves two distinct mechanistic processes, both efficiently catalyzed by the same palladium catalyst. This approach accommodates a wide substrate scope using readily available starting materials, offering a new and efficient method for synthesizing a series of β-pyrrolo[1,2-a]quinolinyl ketones.
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Affiliation(s)
- Ping-Xin Zhou
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Xue-Yan Du
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Yang Liu
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Si-Hui Qiu
- College of Chemical Engineering and Energy Technology, Dongguan University of Technology, Dongguan 523808, P.R. China
| | - Qiang Wang
- College of Chemical Engineering and Energy Technology, Dongguan University of Technology, Dongguan 523808, P.R. China
| | - Ying-Ying Kong
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
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3
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Kondoh A, Kato T, Chen H, Terada M. Asymmetric Auto-Tandem Catalysis with Chiral Organosuperbases: Intramolecular Cyclization/Enantioselective Direct Mannich-Type Addition Sequence. Org Lett 2024; 26:6523-6528. [PMID: 39028997 DOI: 10.1021/acs.orglett.4c02532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2024]
Abstract
An enantioselective addition reaction of alkynyl esters with imines was developed under asymmetric autotandem catalysis with a chiral Brønsted base. A chiral bis(guanidino)iminophosphorane organosuperbase, which has much higher basicity than that of conventional chiral organic bases, efficiently promoted both the intramolecular cyclization for the construction of a benzofuran ring or a benzothiophene ring and the sequential enantioselective direct Mannich-type reaction of diarylmethane derivatives, affording enantio-enriched diarylalkane derivatives that are otherwise difficult to access.
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Affiliation(s)
- Azusa Kondoh
- Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Takuro Kato
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Hao Chen
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Masahiro Terada
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
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4
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Thorpe T, Marshall JR, Turner NJ. Multifunctional Biocatalysts for Organic Synthesis. J Am Chem Soc 2024; 146:7876-7884. [PMID: 38489244 PMCID: PMC10979396 DOI: 10.1021/jacs.3c09542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 03/17/2024]
Abstract
Biocatalysis is becoming an indispensable tool in organic synthesis due to high enzymatic catalytic efficiency as well as exquisite chemo- and stereoselectivity. Some biocatalysts display great promiscuity including a broad substrate scope as well as the ability to catalyze more than one type of transformation. These promiscuous activities have been applied individually to efficiently access numerous valuable target molecules. However, systems in which enzymes possessing multiple different catalytic activities are applied in the synthesis are less well developed. Such multifunctional biocatalysts (MFBs) would simplify chemical synthesis by reducing the number of operational steps and enzyme count, as well as simplifying the sequence space that needs to be engineered to develop an efficient biocatalyst. In this Perspective, we highlight recently reported MFBs focusing on their synthetic utility and mechanism. We also offer insight into their origin as well as comment on potential strategies for their discovery and engineering.
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Affiliation(s)
- Thomas
W. Thorpe
- Department
of Chemistry, University of Manchester,
Manchester Institute of Biotechnology, 131 Princess Street, Manchester, United Kingdom, M1
7DN
| | - James R. Marshall
- Department
of Chemistry, University of Manchester,
Manchester Institute of Biotechnology, 131 Princess Street, Manchester, United Kingdom, M1
7DN
| | - Nicholas J. Turner
- Department
of Chemistry, University of Manchester,
Manchester Institute of Biotechnology, 131 Princess Street, Manchester, United Kingdom, M1
7DN
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5
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Chen ZC, Ouyang Q, Du W, Chen YC. Palladium(0) π-Lewis Base Catalysis: Concept and Development. J Am Chem Soc 2024; 146:6422-6437. [PMID: 38426858 DOI: 10.1021/jacs.3c14674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
The development of a new catalytic strategy plays a vital role in modern organic chemistry since it permits bond formation in an unprecedented and more efficient manner. Although the application of preformed metal complexes as π-base-activated reagents have enabled diverse transformations elegantly, the concept and strategy by directly utilizing transition metals as efficient π-Lewis base catalysts remain underdeveloped, especially in the field of asymmetric catalysis. Here, we outline our perspective on the discovery of palladium(0) as an efficient π-Lewis base catalyst, which is capable of increasing the highest occupied molecular orbital (HOMO) energy of both electron-neutral and electron-deficient 1,3-dienes and 1,3-enynes upon flexible η2-complexes formed in situ and resultant π-backdonation. Thus, fruitful carbon-carbon-forming reactions with diverse electrophiles can be achieved enantioselectively in a vinylogous addition pattern, which is conceptually different from the classical oxidative cyclization mechanism. Emphasis will be given to the concept and mechanism elucidation, catalytic features, and reaction design together with perspective on the further development of this emerging field.
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Affiliation(s)
- Zhi-Chao Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Qin Ouyang
- College of Pharmacy, Third Military Medical University, Chongqing 400038, China
| | - Wei Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Ying-Chun Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- College of Pharmacy, Third Military Medical University, Chongqing 400038, China
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6
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Gilbert MM, Trenerry MJ, Longley VR, Castro AJ, Berry JF, Weix DJ. Ligand-Metal Cooperation Enables Net Ring-Opening C-C Activation / Difunctionalization of Cyclopropyl Ketones. ACS Catal 2023; 13:11277-11290. [PMID: 39386022 PMCID: PMC11463996 DOI: 10.1021/acscatal.3c02643] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/12/2024]
Abstract
Reactions that cleave C-C bonds and enable functionalization at both carbon sites are powerful strategic tools in synthetic chemistry. Stereodefined cyclopropyl ketones have become readily available and would be an ideal source of 3-carbon fragments, but general approaches to net C-C activation / difunctionalization are unknown. Herein we demonstrate the cross-coupling of cyclopropyl ketones with organozinc reagents and chlorotrimethylsilane to form 1,3-difunctionalized, ring-opened products. A combination of experimental and theoretical studies rule out more established mechanisms and shed light on how cooperation between the redox-active terpyridine (tpy) ligand and the nickel atom enables the C-C bond activation step. The reduced (tpy•-)NiI species activates the C-C bond via a concerted asynchronous ring-opening transition state. The resulting alkylnickel(II) intermediate can then be engaged by aryl-, alkenyl-, and alkylzinc reagents to furnish cross-coupled products. This allows quick access to products that are difficult to make by conjugate addition methods, such as β-allylated and β -benzylated enol ethers. The utility of this approach is demonstrated in the synthesis of a key (±)-taiwaniaquinol B intermediate and the total synthesis of prostaglandin D1.
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Affiliation(s)
- Michael M. Gilbert
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA 53706
| | - Michael J. Trenerry
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA 53706
| | - Victoria R. Longley
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA 53706
| | - Anthony J. Castro
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA 53706
| | - John F. Berry
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA 53706
| | - Daniel J. Weix
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA 53706
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7
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Nakagawa H, Fuwa H. Au-catalyzed stereodivergent synthesis of 2,5-disubstituted pyrrolidines: total synthesis of (+)-monomorine I and (+)-indolizidine 195B. Chem Commun (Camb) 2023; 59:10121-10124. [PMID: 37483107 DOI: 10.1039/d3cc02453a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Stereodivergent synthesis of 2,5-disubstituted pyrrolidines was achieved via a Au-catalyzed tandem intramolecular alkyne hydroamination/iminium formation/Et3SiH reduction. Importantly, the stereochemical outcome could be switched by choosing an appropriate nitrogen protecting group. Total synthesis of a diastereomeric pair of alkaloid natural products, monomorine I and indolizidine 195B, was achieved to showcase the synthetic utility of the tandem reaction.
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Affiliation(s)
- Hayato Nakagawa
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan.
| | - Haruhiko Fuwa
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan.
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8
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Kosuge S, Araki Y, Tsuge K, Sugimoto K, Matsuya Y. One-Pot Synthesis of Pentasubstituted Pyridines following the Gold(I)-Catalyzed Aza-Enyne Metathesis/6π-Electrocyclization-Aromatization Sequence. J Org Chem 2023. [PMID: 37191633 DOI: 10.1021/acs.joc.3c00270] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The one-pot de novo synthesis of pentasubstituted pyridines was realized following the process of Au(I)-autotandem catalysis and subsequent aromatization. The process involves aza-enyne metathesis with aryl propiolates to yield 1-azabutadienes and their addition/6π-electrocyclization sequence with the other propiolate units. The resultant 1,4-dihydropyridines were aromatized to furnish the pyridines in the presence of atmospheric oxygen. The aryl propiolates were regioselectively incorporated into the ring system to afford 2-arylpyridines as the sole product.
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Affiliation(s)
- Shuto Kosuge
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Yusuke Araki
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Kiyoshi Tsuge
- Faculty of Science, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
| | - Kenji Sugimoto
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Yuji Matsuya
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
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9
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Ghosh T, Bhakta S. Advancements in Gold-Catalyzed Cascade Reactions to Access Carbocycles and Heterocycles: An Overview. CHEM REC 2023; 23:e202200225. [PMID: 36543388 DOI: 10.1002/tcr.202200225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 12/03/2022] [Indexed: 12/24/2022]
Abstract
This review summarizes recent developments (from 2006 to 2022) in numerous important and efficient carbo- and heterocycle generations using gold-catalyzed cascade protocols. Herein, methodologies involve selectivity, cost-effectiveness, and ease of product formation being controlled by the ligand as well as the counter anion, catalyst, substrate, and reaction conditions. Gold-catalyzed cascade reactions covered different strategies through the compilation of various approaches such as cyclization, hydroarylation, intermolecular and intramolecular cascade reactions, etc. This entitled reaction is also useful for the synthesis of spiro, fused, bridged carbo- and heterocycles.
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Affiliation(s)
- T Ghosh
- Department of Chemistry, Jadavpur University, Kolkata, 700 032, West Bengal, India.,Department of Applied Chemistry, Maulana Abul Kalam Azad University of Technology, West Bengal, Haringhata-741249, Nadia, West Bengal, India
| | - S Bhakta
- Department of Applied Chemistry, Maulana Abul Kalam Azad University of Technology, West Bengal, Haringhata-741249, Nadia, West Bengal, India
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10
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Devasia J, Nizam A, Muthukumar D, Pillai RS, Joy F. A concise route to fused tetrazolo scaffolds through 10-camphor sulfonic acid auto-tandem homogeneous catalysis and mechanistic investigation. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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11
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Luo Z, Wang W, Tang T, Zhang S, Huang F, Hu D, Tao L, Qian L, Liao J. Torsional Strain‐Independent Catalytic Enantioselective Synthesis of Biaryl Atropisomers. Angew Chem Int Ed Engl 2022; 61:e202211303. [DOI: 10.1002/anie.202211303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Zhang‐Hong Luo
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Wen‐Tao Wang
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Tian‐Yi Tang
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Sen Zhang
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Fen Huang
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Dan Hu
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Ling‐Fei Tao
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Linghui Qian
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Jia‐Yu Liao
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
- Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University Hangzhou 310018 China
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12
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Dong YQ, Wang K, Zhuo CX. Molybdenum-Catalyzed Intermolecular Deoxygenative Cross-Coupling Reactions of 1,2-Diketones with α-Ketoamides. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yuan-Qing Dong
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Kai Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Chun-Xiang Zhuo
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
- Shenzhen Research Institute of Xiamen University, Shenzhen 518057, P. R. China
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13
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Luo ZH, Wang WT, Tang TY, Zhang S, Huang F, Hu D, Tao LF, Qian L, Liao JY. Torsional Strain‐Independent Catalytic Enantioselective Synthesis of Biaryl Atropisomers. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202211303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zhang-Hong Luo
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Wen-Tao Wang
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Tian-Yi Tang
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Sen Zhang
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Fen Huang
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Dan Hu
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Ling-Fei Tao
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Linghui Qian
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Jia-Yu Liao
- Zhejiang University College of Pharmaceutical Sciences 866 Yuhangtang Road 310058 Hangzhou CHINA
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14
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He ZL, Zhang Y, Chen ZC, Du W, Chen YC. Cascade Multicomponent Assemblies Involving 1,3-Enynes via Auto-Tandem Palladium Catalysis. Org Lett 2022; 24:6326-6330. [PMID: 35997593 DOI: 10.1021/acs.orglett.2c02544] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Here we report a three-component auto-tandem reaction of 1,3-enyne-tethered carbonyls, organoboronic reagents, and suitable nucleophiles catalyzed by palladium, proceeding through consecutive intramolecular vinylogous addition, Suzuki coupling, and allylic alkylation. This process exhibited high chemo- and regioselectivity with 1,3,4-trifunctionalization of the 1,3-enyne motif, and a wide range of 2H-chromenes, 1,2-dihydroquinolines, benzo[b]oxepines, 1,7-annulated indoles, and other frameworks were efficiently constructed in fair to good yields and E/Z selectivity.
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Affiliation(s)
- Ze-Liang He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yi Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zhi-Chao Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Wei Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Ying-Chun Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.,College of Pharmacy, Third Military Medical University, Shapingba, Chongqing 400038, China
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15
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Mizukami D, Iio K, Oda M, Onodera Y, Fuwa H. Tandem Macrolactone Synthesis: Total Synthesis of (-)-Exiguolide by a Macrocyclization/Transannular Pyran Cyclization Strategy. Angew Chem Int Ed Engl 2022; 61:e202202549. [PMID: 35243740 DOI: 10.1002/anie.202202549] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Indexed: 12/25/2022]
Abstract
Tetrahydropyran-containing macrolactones were synthesized by integrating Meyer-Schuster rearrangement, macrocyclic ring-closing metathesis, and transannular oxa-Michael addition under gold and ruthenium catalysis. Single-step access to a variety of 14- to 20-membered macrolactones containing a tetrahydropyran ring was possible from readily available linear precursors in good yields and with moderate to excellent diastereoselectivity. A 13-step synthesis of (-)-exiguolide, an anticancer marine macrolide, showcased the feasibility of our tandem reaction sequence for macrolactone synthesis and also demonstrated the power of transannular reactions for rapid assembly of the tetrahydropyran rings of the target natural product.
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Affiliation(s)
- Daichi Mizukami
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Kei Iio
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Mami Oda
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Yu Onodera
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 981-8577, Japan
| | - Haruhiko Fuwa
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
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16
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Zhu JX, Chen ZC, Du W, Chen YC. Asymmetric Auto-Tandem Palladium Catalysis for 2,4-Dienyl Carbonates: Ligand-Controlled Divergent Synthesis. Angew Chem Int Ed Engl 2022; 61:e202200880. [PMID: 35156289 DOI: 10.1002/anie.202200880] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Indexed: 01/16/2023]
Abstract
Developing new asymmetric auto-tandem catalysis processes, especially in a divergent manner, is highly attractive but extremely challenging. Presented herein is a palladium-catalyzed auto-tandem reaction between 2,4-dienyl carbonates and o-TsNH arylimines or trifluoroacetophenones that proceeds through a consecutive N-allylation, vinylogous addition, π-σ-π isomerization, and another N-allylation sequence. Importantly, switchable diastereodivergent synthesis could be achieved by tuning the chiral bisphosphine ligands, which led to the construction of a broad spectrum of fused tetrahydroquinoline architectures with moderate to excellent enantioselectivity. Ligand control even enabled effective access to regiodivergent azetidine or chemodivergent β-H elimination with fair enantioselectivity, further showing the versatility of the current auto-tandem catalysis.
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Affiliation(s)
- Jian-Xiang Zhu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Zhi-Chao Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Wei Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Ying-Chun Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China.,College of Pharmacy, Third Military Medical University, Chongqing, 400038, China
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17
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Corpas J, Mauleón P, Gómez Arrayás R, Carretero JC. E/Z
Photoisomerization of Olefins as an Emergent Strategy for the Control of Stereodivergence in Catalysis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200199] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Javier Corpas
- Department of Organic Chemistry Institute for Advanced Research in Chemical Sciences (IAdChem) Center for Innovation in Advanced Chemistry (ORFEO-CINQA). Universidad Autónoma de Madrid Cantoblanco 28049 Madrid Spain
| | - Pablo Mauleón
- Department of Organic Chemistry Institute for Advanced Research in Chemical Sciences (IAdChem) Center for Innovation in Advanced Chemistry (ORFEO-CINQA). Universidad Autónoma de Madrid Cantoblanco 28049 Madrid Spain
| | - Ramón Gómez Arrayás
- Department of Organic Chemistry Institute for Advanced Research in Chemical Sciences (IAdChem) Center for Innovation in Advanced Chemistry (ORFEO-CINQA). Universidad Autónoma de Madrid Cantoblanco 28049 Madrid Spain
| | - Juan C. Carretero
- Department of Organic Chemistry Institute for Advanced Research in Chemical Sciences (IAdChem) Center for Innovation in Advanced Chemistry (ORFEO-CINQA). Universidad Autónoma de Madrid Cantoblanco 28049 Madrid Spain
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18
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Mizukami D, Iio K, Oda M, Onodera Y, Fuwa H. Tandem Macrolactone Synthesis: Total Synthesis of (−)‐Exiguolide by a Macrocyclization/Transannular Pyran Cyclization Strategy. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202549] [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)
- Daichi Mizukami
- Chuo University - Korakuen Campus: Chuo Daigaku - Korakuen Campus Department of Applied Chemistry JAPAN
| | - Kei Iio
- Chuo University - Korakuen Campus: Chuo Daigaku - Korakuen Campus Department of Applied Chemistry JAPAN
| | - Mami Oda
- Chuo University - Korakuen Campus: Chuo Daigaku - Korakuen Campus Department of Applied Chemistry JAPAN
| | - Yu Onodera
- Tohoku University - Katahira Campus: Tohoku Daigaku Graduate School of Life Sciences JAPAN
| | - Haruhiko Fuwa
- Chuo University Department of Applied Chemistry 1-13-27 KasugaBunkyo-ku 112-8551 Tokyo JAPAN
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19
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Zhu J, Chen Z, Du W, Chen Y. Asymmetric Auto‐Tandem Palladium Catalysis for 2,4‐Dienyl Carbonates: Ligand‐Controlled Divergent Synthesis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200880] [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)
- Jian‐Xiang Zhu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Zhi‐Chao Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Wei Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Ying‐Chun Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University Chengdu 610041 China
- College of Pharmacy Third Military Medical University Chongqing 400038 China
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20
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Fuwa H. Total Synthesis of (−)-Exiguolide, a Potent Anticancer Marine Macrolide. HETEROCYCLES 2022. [DOI: 10.3987/rev-22-983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Maddigan-Wyatt JT, Blyth MT, Ametovski J, Coote ML, Hooper JF, Lupton DW. Redox Isomerization/(3+2) Allenoate Annulation by Auto-Tandem Phosphine Catalysis. Chemistry 2021; 27:16232-16236. [PMID: 34596926 DOI: 10.1002/chem.202103224] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Indexed: 01/25/2023]
Abstract
A phosphine-catalyzed approach to pyrrolines has been developed that involves two mechanistically unlinked catalytic processes. The first involves the redox isomerization of amino crotonates to provide access to aliphatic tosyl imines, which then engage in a (3+2) annulation with various allenoates. The reaction shows generality, with 24 examples established, along with a low yielding and moderately enantioselective variant. Mechanistic studies indicate that the viability of the process is linked to the selection of catalysts with similar propensity to add to the two coupling partners.
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Affiliation(s)
| | - Mitchell T Blyth
- Research School of Chemistry, Australian National University, Canberra, 2601, ACT, Australia
| | - Jhi Ametovski
- School of Chemistry, Monash University, Clayton, 3800, Victoria, Australia
| | - Michelle L Coote
- Research School of Chemistry, Australian National University, Canberra, 2601, ACT, Australia
| | - Joel F Hooper
- School of Chemistry, Monash University, Clayton, 3800, Victoria, Australia
| | - David W Lupton
- School of Chemistry, Monash University, Clayton, 3800, Victoria, Australia
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22
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Toffano M, Guillot R, Bournaud C, Brière J, Vo‐Thanh G. Auto Tandem Catalysis: Asymmetric Vinylogous Cycloaddition/Kinetic Resolution Sequence for the Enantioselective Synthesis of Spiro‐Dihydropyranone from Benzylidene Meldrum's Acid. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Martial Toffano
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Chloée Bournaud
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | | | - Giang Vo‐Thanh
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
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23
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Tachrim ZP, Wang L, Murai Y, Hashimoto M. New Trends in Diaziridine Formation and Transformation (a Review). Molecules 2021; 26:4496. [PMID: 34361648 PMCID: PMC8348119 DOI: 10.3390/molecules26154496] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 01/18/2023] Open
Abstract
This review focuses on diaziridine, a high strained three-membered heterocycle with two nitrogen atoms that plays an important role as one of the most important precursors of diazirine photoaffinity probes, as well as their formation and transformation. Recent research trends can be grouped into three categories, based on whether they have examined non-substituted, N-monosubstituted, or N,N-disubstituted diaziridines. The discussion expands on the conventional methods for recent applications, the current spread of studies, and the unconventional synthesis approaches arising over the last decade of publications.
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Affiliation(s)
- Zetryana Puteri Tachrim
- Division of Applied Bioscience, Graduate School of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan; (L.W.); (Y.M.)
- Research Center for Chemistry, Indonesian Institute of Sciences, Kawasan Puspiptek, Serpong, South Tangerang 15314, Banten, Indonesia
| | - Lei Wang
- Division of Applied Bioscience, Graduate School of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan; (L.W.); (Y.M.)
- State Key Laboratory of Fine Chemicals, Department of Pharmacy, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yuta Murai
- Division of Applied Bioscience, Graduate School of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan; (L.W.); (Y.M.)
- Frontier Research Center for Post-Genome Science and Technology, Faculty of Advanced Life Science, Hokkaido University, Kita 21, Nishi 11, Kita-ku, Sapporo 001-0021, Japan
| | - Makoto Hashimoto
- Division of Applied Bioscience, Graduate School of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan; (L.W.); (Y.M.)
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24
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Corpas J, Mauleón P, Arrayás RG, Carretero JC. Transition-Metal-Catalyzed Functionalization of Alkynes with Organoboron Reagents: New Trends, Mechanistic Insights, and Applications. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01421] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Javier Corpas
- Department of Organic Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
| | - Pablo Mauleón
- Department of Organic Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
| | - Ramón Gómez Arrayás
- Department of Organic Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
| | - Juan C. Carretero
- Department of Organic Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
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25
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Cai M, Wang X, Fang Y, Chen Y, Dai L. Robust Mg(Ca)Zr-Doped Acid-Base Bifunctional Mesoporous Silica and Their Applications in the Deacetalization-Knoevenagel Reaction. Inorg Chem 2021; 60:8924-8935. [PMID: 34101440 DOI: 10.1021/acs.inorgchem.1c00819] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A series of Mg(Ca)Zr-doped acid-base bifunctional mesoporous silica were synthesized to study the impact of the one-step or two-step impregnation method on material structure. The two-step method seems to be a better way to synthesize metal-based functionalized catalyst and their catalytic performance is investigated using deacetalization-Knoevenagel reaction as the probe reaction. The coexisting dual active sites and suitable designing routes endowed highly efficient (Conv. >99.6%, Sel. >99.8%) and robust stability (10 consecutive cycles) of these materials. The present process succeeded in preparing catalysts decorated with acid-base sites by doping acidic and alkali metal species rather than grafting organic groups.
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Affiliation(s)
- Menglu Cai
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou 310027, China
| | - Xiaozhong Wang
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou 310027, China.,Institute of Zhejiang University-Quzhou, 78 Jiuhua Boulevard North, Quzhou 324000, China
| | - Yangyang Fang
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou 310027, China
| | - Yingqi Chen
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou 310027, China
| | - Liyan Dai
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou 310027, China
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26
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Sugimoto K, Kosuge S, Sugita T, Miura Y, Tsuge K, Matsuya Y. Au(I) Catalyzed Synthesis of Densely Substituted Pyrazolines and Dihydropyridines via Sequential Aza-Enyne Metathesis/6π-Electrocyclization. Org Lett 2021; 23:3981-3985. [PMID: 33979152 DOI: 10.1021/acs.orglett.1c01171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A gold(I) autotandem catalysis protocol is reported for the de novo synthesis of densely substituted pyrazolines and dihydropyridines from the corresponding imine derivatives in a highly regioselective fashion via a one-pot aza-enyne metathesis/6π-electrocyclization sequence. The substituents on the nitrogen atom of the imine perfectly control the reaction pathways from the pivotal 1-azabutadiene intermediate; thus, carbazates were converted into pyrazolines via 6π-electrocyclization of α,β-unsaturated hydrazones, while aryl imines provided dihydropyridines via 6π-electrocyclization of 3-azahexatrienes.
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Affiliation(s)
- Kenji Sugimoto
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
| | - Shuto Kosuge
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
| | - Takae Sugita
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
| | - Yuka Miura
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
| | - Kiyoshi Tsuge
- Faculty of Science, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
| | - Yuji Matsuya
- Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan and
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27
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Parker PD, Hou X, Dong VM. Reducing Challenges in Organic Synthesis with Stereoselective Hydrogenation and Tandem Catalysis. J Am Chem Soc 2021; 143:6724-6745. [PMID: 33891819 DOI: 10.1021/jacs.1c00750] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Tandem catalysis enables the rapid construction of complex architectures from simple building blocks. This Perspective shares our interest in combining stereoselective hydrogenation with transformations such as isomerization, oxidation, and epimerization to solve diverse challenges. We highlight the use of tandem hydrogenation for preparing complex natural products from simple prochiral building blocks and present tandem catalysis involving transfer hydrogenation and dynamic kinetic resolution. Finally, we underline recent breakthroughs and opportunities for asymmetric hydrogenation.
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Affiliation(s)
- Patrick D Parker
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Xintong Hou
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Vy M Dong
- Department of Chemistry, University of California, Irvine, California 92697, United States
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28
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29
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Affiliation(s)
- Sebastián Martínez
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Lukas Veth
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Bruno Lainer
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Paweł Dydio
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000 Strasbourg, France
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30
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Alexander JR, Shchepetkina VI, Stankevich KS, Benedict RJ, Bernhard SP, Dreiling RJ, Cook MJ. Pd-Catalyzed Rearrangement of N-Alloc- N-allyl Ynamides via Auto-Tandem Catalysis: Evidence for Reversible C-N Activation and Pd(0)-Accelerated Ketenimine Aza-Claisen Rearrangement. Org Lett 2021; 23:559-564. [PMID: 33410700 DOI: 10.1021/acs.orglett.0c04078] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An auto-tandem catalytic double allylic rearrangement of N-alloc-N-allyl ynamides was developed. This reaction proceeds through two separate and distinct catalytic cycles with both decarboxylative Pd-π-allyl and Pd(0)-promoted aza-Claisen rearrangements occurring. A detailed mechanistic study supported by computations highlights these two separate mechanisms. Previously unreported reversible C-N ionization and a Pd(0)-catalyzed [3,3]-sigmatropic rearrangement were discovered. This study provides new reaction pathways for both π-allyl and sigmatropic rearrangements.
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Affiliation(s)
- Juliana R Alexander
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Veronika I Shchepetkina
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Ksenia S Stankevich
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Rory J Benedict
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Samuel P Bernhard
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Reagan J Dreiling
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Matthew J Cook
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
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31
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Kondoh A, Terada M. Brønsted Base-Catalyzed Formal Reductive [3+2] Annulation of 4,4,4-Trifluorocrotonate and α-Iminoketones. Chemistry 2021; 27:585-588. [PMID: 32869872 DOI: 10.1002/chem.202002943] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 08/27/2020] [Indexed: 02/01/2023]
Abstract
A formal reductive [3+2] annulation of 4,4,4-trifluorocrotonate and α-iminoketones was developed under Brønsted base catalysis. A single phosphazene base efficiently catalyzes the one-pot tandem reaction involving two mechanistically different elementary processes, namely the chemoselective reduction of an imine moiety of α-iminoketones with thiols as the reductant and the subsequent intermolecular Michael addition of an enolate of α-aminoketones concomitant with lactam formation. This operationally simple method provides β-trifluoromethyl-substituted γ-lactams with a tetrasubstituted carbon as a single diastereomer.
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Affiliation(s)
- Azusa Kondoh
- Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Masahiro Terada
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
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32
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Fiorito D, Scaringi S, Mazet C. Transition metal-catalyzed alkene isomerization as an enabling technology in tandem, sequential and domino processes. Chem Soc Rev 2021; 50:1391-1406. [DOI: 10.1039/d0cs00449a] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
One-pot reactions based on catalytic isomerization of alkenes not only offer the inherent advantages of atom-, step- and redox-economy but also enable the preparation of value-added products that would be difficult to access by conventional methods.
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Affiliation(s)
- Daniele Fiorito
- Organic Chemistry Department
- University of Geneva
- Geneva 1211
- Switzerland
| | - Simone Scaringi
- Organic Chemistry Department
- University of Geneva
- Geneva 1211
- Switzerland
| | - Clément Mazet
- Organic Chemistry Department
- University of Geneva
- Geneva 1211
- Switzerland
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33
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Chakraborti G, Jana R, Mandal T, Datta A, Dash J. Prolinamide plays a key role in promoting copper-catalyzed cycloaddition of azides and alkynes in aqueous media via unprecedented metallacycle intermediates. Org Chem Front 2021. [DOI: 10.1039/d0qo01150a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Room temperature copper-catalyzed cycloaddition of azides and alkynes (CuAAC) proceeds in the presence of a prolinamide ligand in aqueous media via unique metallacycles.
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Affiliation(s)
- Gargi Chakraborti
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Rajkumar Jana
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Tirtha Mandal
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Ayan Datta
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Jyotirmayee Dash
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
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34
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Thiourea–Tertiary Amine Promoted Cascade Catalysis: A Tool for Complexity Generation. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001114] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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35
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Chen S, Bai R, Li M, Liu P, Gu Y. Acid‐Acid‐Catalyzed Tandem Reactions Driven by an Additive‐Like Component. CHEM REC 2020. [DOI: 10.1002/tcr.202000097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Shaomin Chen
- Key Laboratory for Large-Format Battery Materials and System Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 P.R. China
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan School of Chemistry and Chemical Engineering Shihezi University Shihezi 832004 P.R. China
| | - Rongxian Bai
- Key Laboratory for Large-Format Battery Materials and System Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 P.R. China
| | - Minghao Li
- Key Laboratory for Large-Format Battery Materials and System Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 P.R. China
| | - Ping Liu
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan School of Chemistry and Chemical Engineering Shihezi University Shihezi 832004 P.R. China
| | - Yanlong Gu
- Key Laboratory for Large-Format Battery Materials and System Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 P.R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical Physics Lanzhou 730000 P.R. China
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36
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Kondoh A, Ma C, Terada M. Synthesis of diarylalkanes through an intramolecular/intermolecular addition sequence by auto-tandem catalysis with strong Brønsted base. Chem Commun (Camb) 2020; 56:10894-10897. [PMID: 32940279 DOI: 10.1039/d0cc04512h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
An auto-tandem catalysis with a strong Brønsted base enabled the synthesis of diarylalkanes containing a benzofuran moiety. Potassium tert-butoxide efficiently catalyzed both the intramolecular cyclization of less acidic ortho-alkynylaryl benzyl ethers and the following intermolecular addition of diarylmethanes to styrenes, demonstrating the high potential of the catalysis in organic synthesis.
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Affiliation(s)
- Azusa Kondoh
- Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai, 980-8578, Japan.
| | - Chaoyan Ma
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
| | - Masahiro Terada
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
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37
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Abstract
In this Review, we consider all the publications since the beginning of the century that describe tandem reactions resulting in the formation of five-membered aromatic nitrogen heterocycles (thiazole, imidazole, indole, tetrazole, triazole, and isoxazole). The contents of this review are organized by taxonomy and type of tandem catalysis. It covers orthogonal, auto-, and assisted tandem catalysis, providing an overview of tandem reactions applied tonitrogen heterocycles reported in the literature up to March 2020. We believe that this compilation of data will provide a necessary starting reference to developthe applications of tandem catalysis in medicinal chemistry.
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Bianga J, Künnemann KU, Goclik L, Schurm L, Vogt D, Seidensticker T. Tandem Catalytic Amine Synthesis from Alkenes in Continuous Flow Enabled by Integrated Catalyst Recycling. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01465] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jonas Bianga
- Laboratory of Industrial Chemistry, Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Straße 66, 44227 Dortmund, Germany
| | - Kai U. Künnemann
- Laboratory of Industrial Chemistry, Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Straße 66, 44227 Dortmund, Germany
| | - Lisa Goclik
- Laboratory of Industrial Chemistry, Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Straße 66, 44227 Dortmund, Germany
| | - Lasse Schurm
- Laboratory of Industrial Chemistry, Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Straße 66, 44227 Dortmund, Germany
| | - Dieter Vogt
- Laboratory of Industrial Chemistry, Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Straße 66, 44227 Dortmund, Germany
| | - Thomas Seidensticker
- Laboratory of Industrial Chemistry, Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Straße 66, 44227 Dortmund, Germany
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39
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Long J, Yu R, Gao J, Fang X. Access to 1,3‐Dinitriles by Enantioselective Auto‐tandem Catalysis: Merging Allylic Cyanation with Asymmetric Hydrocyanation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000704] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jinguo Long
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Rongrong Yu
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Jihui Gao
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Xianjie Fang
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
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40
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Long J, Yu R, Gao J, Fang X. Access to 1,3‐Dinitriles by Enantioselective Auto‐tandem Catalysis: Merging Allylic Cyanation with Asymmetric Hydrocyanation. Angew Chem Int Ed Engl 2020; 59:6785-6789. [DOI: 10.1002/anie.202000704] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Indexed: 01/14/2023]
Affiliation(s)
- Jinguo Long
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Rongrong Yu
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Jihui Gao
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Xianjie Fang
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
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41
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González-Fernández R, Crochet P, Cadierno V. Synthesis of β-hydroxyamides through ruthenium-catalyzed hydration/transfer hydrogenation of β-ketonitriles in water: Scope and limitations. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.05.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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42
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Zhou C, Jiang J, Wang J. Three-Component Synthesis of Isoquinoline Derivatives by a Relay Catalysis with a Single Rhodium(III) Catalyst. Org Lett 2019; 21:4971-4975. [DOI: 10.1021/acs.orglett.9b01456] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chao Zhou
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Jijun Jiang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Jun Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
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43
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Agapova A, Junge H, Beller M. Developing Bicatalytic Cascade Reactions: Ruthenium‐catalyzed Hydrogen Generation From Methanol. Chemistry 2019; 25:9345-9349. [DOI: 10.1002/chem.201900966] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Anastasiya Agapova
- Leibniz-Institut für Katalyse e.V. an derUniversität Rostock Albert-Einstein-Strasse 29a 18059 Rostock Germany
| | - Henrik Junge
- Leibniz-Institut für Katalyse e.V. an derUniversität Rostock Albert-Einstein-Strasse 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V. an derUniversität Rostock Albert-Einstein-Strasse 29a 18059 Rostock Germany
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44
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Kwiatkowski MR, Alexanian EJ. Transition-Metal (Pd, Ni, Mn)-Catalyzed C-C Bond Constructions Involving Unactivated Alkyl Halides and Fundamental Synthetic Building Blocks. Acc Chem Res 2019; 52:1134-1144. [PMID: 30908013 PMCID: PMC6565936 DOI: 10.1021/acs.accounts.9b00044] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The catalytic construction of C-C bonds between organohalide or pseudohalide electrophiles and fundamental building blocks such as alkenes, arenes, or CO are widely utilized metal-catalyzed processes. The use of simple, widely available unactivated alkyl halides in these catalytic transformations has significantly lagged behind the use of aryl or vinyl electrophiles. This difference is primarily due to the relative difficulty of activating alkyl halides with transition metals under mild conditions. This Account details our group's work toward developing a general catalytic manifold for the construction of C-C bonds using unactivated alkyl halides and a range of simple chemical feedstocks. Critical to the strategy was the implementation of new modes of hybrid organometallic-radical reactivity in catalysis. Generation of carbon-centered radicals from alkyl halides using transition metals offers a solution to challenges associated with the application of alkyl electrophiles in classical two-electron reaction modes. A major focus of this work was the development of general palladium-catalyzed carbocyclizations and intermolecular cross-couplings of unactivated alkyl halides (alkyl-Mizoroki-Heck-type reactions). Initial studies centered on the use of alkyl iodides in these processes, but subsequent studies determined that the use of an electron-rich ferrocenyl bisphosphine (dtbpf) enables the palladium-catalyzed carbocyclizations of unactivated alkyl bromides. Mechanistic studies of these reactions revealed interesting details regarding a difference in mechanism between reactions of alkyl iodides and alkyl bromides in carbocyclizations. These studies were consistent with alkyl bromides reacting via an autotandem catalytic process involving atom-transfer radical cyclization (ATRC) followed by catalytic dehydrohalogenation. Reactions of alkyl iodides, on the other hand, involved metal-initiated radical chain pathways. Recent studies have expanded the scope of alkyl-Mizoroki-Heck-type reactions to the use of a first-row transition metal. Inexpensive nickel precatalysts, in combination with the bisphosphine ligand Xantphos, efficiently activate alkyl bromides for both intra- and intermolecular C-C bond-forming reactions. The reaction scope is similar to the palladium-catalyzed system, but in addition, alkene regioisomeric ratios are dramatically improved over those in reactions with palladium, solving one of the drawbacks of our previous work. Initial mechanistic studies were consistent with a hybrid organometallic-radical mechanism for the nickel-catalyzed reactions. The novel reactivity of the palladium catalysts in the alkyl-Mizoroki-Heck-type reactions have also paved the way for the development of other C-C bond-forming processes of unactivated alkyl halides, including aromatic C-H alkylations as well as low-pressure alkoxycarbonylations. Related hybrid organometallic-radical reactivity of manganese has led to an alkene dicarbofunctionalization using alkyl iodides.
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Affiliation(s)
- Megan R. Kwiatkowski
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Erik J. Alexanian
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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45
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Chen P, Chen Z, Li Y, Ouyang Q, Du W, Chen Y. Auto‐Tandem Cooperative Catalysis Using Phosphine/Palladium: Reaction of Morita–Baylis–Hillman Carbonates and Allylic Alcohols. Angew Chem Int Ed Engl 2019; 58:4036-4040. [DOI: 10.1002/anie.201814403] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Peng Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
| | - Zhi‐Chao Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
| | - Yue Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
| | - Qin Ouyang
- College of PharmacyThird Military Medical University Chongqing 400038 China
| | - Wei Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
| | - Ying‐Chun Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
- College of PharmacyThird Military Medical University Chongqing 400038 China
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46
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Chen P, Chen Z, Li Y, Ouyang Q, Du W, Chen Y. Auto‐Tandem Cooperative Catalysis Using Phosphine/Palladium: Reaction of Morita–Baylis–Hillman Carbonates and Allylic Alcohols. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814403] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Peng Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
| | - Zhi‐Chao Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
| | - Yue Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
| | - Qin Ouyang
- College of PharmacyThird Military Medical University Chongqing 400038 China
| | - Wei Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
| | - Ying‐Chun Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan University Chengdu 610041 China
- College of PharmacyThird Military Medical University Chongqing 400038 China
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47
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Huang W, Xu J, Liu C, Chen Z, Gu Y. Lewis Acid-Catalyzed Synthesis of Benzofurans and 4,5,6,7-Tetrahydrobenzofurans from Acrolein Dimer and 1,3-Dicarbonyl Compounds. J Org Chem 2019; 84:2941-2950. [DOI: 10.1021/acs.joc.9b00270] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Wenbo Huang
- Key Laboratory for Large-Format Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 430074, Wuhan, China
| | - Jing Xu
- Key Laboratory for Large-Format Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 430074, Wuhan, China
| | - Changhui Liu
- Key Laboratory for Large-Format Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 430074, Wuhan, China
| | - Zhiyan Chen
- Key Laboratory for Large-Format Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 430074, Wuhan, China
| | - Yanlong Gu
- Key Laboratory for Large-Format Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 430074, Wuhan, China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, 730000, Lanzhou, China
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48
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Wei W, Tang Y, Zhou Y, Deng G, Liu Z, Wu J, Li Y, Zhang J, Xu S. Recycling Catalyst as Reactant: A Sustainable Strategy To Improve Atom Efficiency of Organocatalytic Tandem Reactions. Org Lett 2018; 20:6559-6563. [DOI: 10.1021/acs.orglett.8b02898] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Wen Wei
- Department of Chemistry, School of Science, and Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Yuhai Tang
- Department of Chemistry, School of Science, and Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Yan Zhou
- Department of Chemistry, School of Science, and Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Ge Deng
- Department of Chemistry, School of Science, and Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Ziyu Liu
- Department of Chemistry, School of Science, and Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Jun Wu
- Department of Chemistry, School of Science, and Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Yang Li
- Department of Chemistry, School of Science, and Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Junjie Zhang
- Department of Chemistry, School of Science, and Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Silong Xu
- Department of Chemistry, School of Science, and Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. China
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49
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Park DY, Lee SY, Jeon J, Cheon CH. Enantioselective Synthesis of Tetrahydroquinolines from 2-Aminochalcones via a Consecutive One-Pot Reaction Catalyzed by Chiral Phosphoric Acid. J Org Chem 2018; 83:12486-12495. [DOI: 10.1021/acs.joc.8b01709] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Do Young Park
- Department of Chemistry, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - So Young Lee
- Department of Chemistry, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Jiye Jeon
- Department of Chemistry, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Cheol-Hong Cheon
- Department of Chemistry, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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50
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Kondoh A, Terada M. Brønsted Base-Catalyzed Reductive Cyclization of Alkynyl α-Iminoesters through Auto-Tandem Catalysis. Org Lett 2018; 20:5309-5313. [DOI: 10.1021/acs.orglett.8b02236] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Azusa Kondoh
- Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Masahiro Terada
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
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