1
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Carbocation Catalysis in the Synthesis of Heterocyclic Compounds. Chem Heterocycl Compd (N Y) 2023. [DOI: 10.1007/s10593-023-03157-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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2
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Zhang Y, Duan J, Zhou Y, Li X, Yao W, Wang Z. Rapid Construction of Tricyclic Furanobenzodihydropyrans by Asymmetric Tandem Reaction. J Org Chem 2023; 88:1815-1827. [PMID: 36644839 DOI: 10.1021/acs.joc.2c02228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A process based on the organocatalyzed Mannich/cycloketalization/transesterification tandem reaction of 1-(2-hydroxyaryl)-1,3-diketones and β,γ-alkynyl α-imino esters has been developed, delivering a variety of tricyclic furanobenzodihydropyrans with excellent results (up to 99% yield, 99% ee, and >19:1 dr).
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Affiliation(s)
- Yulong Zhang
- Chongqing Key Laboratory of Green Synthesis and Application, College of Chemistry, Chongqing Normal University, Chongqing 401331, PR China
| | - Jingxiang Duan
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug Research, Chongqing University, Chongqing 401331, PR China
| | - Yuqiao Zhou
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, PR China
| | - Xiaoyi Li
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug Research, Chongqing University, Chongqing 401331, PR China
| | - Weijun Yao
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Zhen Wang
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug Research, Chongqing University, Chongqing 401331, PR China
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3
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Malykhin RS, Boyko YD, Nelyubina YV, Ioffe SL, Sukhorukov AY. Interrupted Nef Reaction of Cyclic Nitronates: Diastereoselective Access to Densely Substituted α-Chloronitroso Compounds. J Org Chem 2022; 87:16617-16631. [DOI: 10.1021/acs.joc.2c02281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Affiliation(s)
- Roman S. Malykhin
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991, Leninsky prospect, 47, Moscow, Russian Federation
- Department of Chemistry, M. V. Lomonosov Moscow State University, 119991, Leninskie gory, 1, str. 3, Moscow, Russian Federation
| | - Yaroslav D. Boyko
- UIUC: Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - Yulia V. Nelyubina
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119991, Vavilova str. 28, Moscow, Russian Federation
| | - Sema L. Ioffe
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991, Leninsky prospect, 47, Moscow, Russian Federation
| | - Alexey Yu. Sukhorukov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991, Leninsky prospect, 47, Moscow, Russian Federation
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4
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Gan Z, Cui D, Zhang H, Feng Y, Huang L, Gui Y, Gao L, Song Z. Trityl Cation-Catalyzed Hosomi-Sakurai Reaction of Allylsilane with β,γ-Unsaturated α-Ketoester to Form γ,γ-Disubstituted α-Ketoesters. Molecules 2022; 27:molecules27154730. [PMID: 35897907 PMCID: PMC9331905 DOI: 10.3390/molecules27154730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 12/10/2022] Open
Abstract
(Ph3C)[BPh(F)4]-catalyzed Hosomi-Sakurai allylation of allylsilanes with β,γ-unsaturated α-ketoesters has been developed to give γ,γ-disubstituted α-ketoesters in high yields with excellent chemoselectivity. Preliminary mechanistic studies suggest that trityl cation dominates the catalysis, while the silyl cation plays a minor role.
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Affiliation(s)
| | | | | | | | | | | | - Lu Gao
- Correspondence: (L.G.); (Z.S.)
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5
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Xiao W, Wu J. Recent advance in carbocation-catalyzed reactions. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.06.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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6
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Lemos BC, Venturini Filho E, Fiorot RG, Medici F, Greco SJ, Benaglia M. Enantioselective Povarov Reactions: An Update of a Powerful Catalytic Synthetic Methodology. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101171] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Bárbara C. Lemos
- Chemistry Department Federal University of Espírito Santo Vitória Espírito Santo CEP.: 29075-910 Brazil
| | - Eclair Venturini Filho
- Chemistry Department Federal University of Espírito Santo Vitória Espírito Santo CEP.: 29075-910 Brazil
| | - Rodolfo G. Fiorot
- Chemistry Institute Federal Fluminense University Outeiro de São João Batista RJ, 24020-141 Niteroi Brazil
| | - Fabrizio Medici
- Dipartimento di Chimica Università degli Studi di Milano Via Golgi 19 Milano Italy
| | - Sandro J. Greco
- Chemistry Department Federal University of Espírito Santo Vitória Espírito Santo CEP.: 29075-910 Brazil
| | - Maurizio Benaglia
- Dipartimento di Chimica Università degli Studi di Milano Via Golgi 19 Milano Italy
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7
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Borodkin GI, Elanov IR, Shubin VG. Carbocation Catalysis of Organic Reactions. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2021. [DOI: 10.1134/s1070428021030015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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8
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Methods of synthesis of 2-aminochromanes. Chem Heterocycl Compd (N Y) 2021. [DOI: 10.1007/s10593-021-02896-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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9
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Korzhenko KS, Osyanin VA, Osipov DV, Klimochkin YN. Transamination of 2-piperidinochromanes with (het)arylamines as a convenient route to 2-(het)arylaminochromanes. MENDELEEV COMMUNICATIONS 2021. [DOI: 10.1016/j.mencom.2021.03.041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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10
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Zhao C, Shah BH, Li H, Wu X, Zhang YJ. Palladium‐Catalyzed Allylic Cycloaddition of Vinylethylene Carbonates with 3‐Nitrochromone. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000714] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Can Zhao
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Frontiers Science Center for Transformative Molecules School of Chemistry and Chemical Engineering Shanghai Jiao Tong University 800 Dongchuan Road 200240 Shanghai P. R. China
| | - Babar Hussain Shah
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Frontiers Science Center for Transformative Molecules School of Chemistry and Chemical Engineering Shanghai Jiao Tong University 800 Dongchuan Road 200240 Shanghai P. R. China
| | - Hongfang Li
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Frontiers Science Center for Transformative Molecules School of Chemistry and Chemical Engineering Shanghai Jiao Tong University 800 Dongchuan Road 200240 Shanghai P. R. China
- Department of Chemistry College of Science Yanbian University 977 Gongyuan Road, Yanji 133002 Jilin P. R. China
| | - Xue Wu
- Department of Chemistry College of Science Yanbian University 977 Gongyuan Road, Yanji 133002 Jilin P. R. China
| | - Yong Jian Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Frontiers Science Center for Transformative Molecules School of Chemistry and Chemical Engineering Shanghai Jiao Tong University 800 Dongchuan Road 200240 Shanghai P. R. China
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11
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Abstract
Developments that result in high-yielding, low-cost, safe, scalable, and less-wasteful processes are the most important goals in synthetic organic chemistry. Continuous-flow reactions have garnered much attention due to many advantages over conventional batch reactions that include precise control of short reaction times and temperatures, low risk in handling dangerous compounds, and ease in scaling up synthesis. Combinations of continuous-flow reactions with homogeneous, metal-free catalysts further enhances advantages that include low-cost and ready availability, low toxicity, higher stability in air and water, and increased synthetic efficiency due to the avoidance of the time-consuming removal of toxic metal traces. This review summarizes recently reported continuous-flow reactions using metal-free homogeneous catalysts and classifies them either as acidic catalysts, basic catalysts, or miscellaneous catalysts. In addition, we compare the results between continuous-flow conditions and conventional batch conditions to reveal the advantages of using flow reactions with metal-free homogeneous catalysts.
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12
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Gebru H, Tianfo G, Li Z. Guanidine masked catechol initiator promoted ring-opening polymerization of sarcosineN-carboxyanhydride. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2020. [DOI: 10.1080/1023666x.2020.1783080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Hailemariam Gebru
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, China
- Technology and Innovation Institute of Ethiopia, Addis Ababa, Ethiopia
| | - Guo Tianfo
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, China
| | - Zhenjiang Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, China
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13
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De Risi C, Bortolini O, Brandolese A, Di Carmine G, Ragno D, Massi A. Recent advances in continuous-flow organocatalysis for process intensification. REACT CHEM ENG 2020. [DOI: 10.1039/d0re00076k] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The progresses on continuous-flow organocatalysis from 2016 to early 2020 are reviewed with focus on transition from batch to flow.
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Affiliation(s)
- Carmela De Risi
- Dipartimento di Scienze Chimiche e Farmaceutiche
- I-44121 Ferrara
- Italy
| | - Olga Bortolini
- Dipartimento di Scienze Chimiche e Farmaceutiche
- I-44121 Ferrara
- Italy
| | | | | | - Daniele Ragno
- Dipartimento di Scienze Chimiche e Farmaceutiche
- I-44121 Ferrara
- Italy
| | - Alessandro Massi
- Dipartimento di Scienze Chimiche e Farmaceutiche
- I-44121 Ferrara
- Italy
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14
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Courant T, Lombard M, Boyarskaya DV, Neuville L, Masson G. Tritylium assisted iodine catalysis for the synthesis of unsymmetrical triarylmethanes. Org Biomol Chem 2020; 18:6502-6508. [PMID: 32789393 DOI: 10.1039/d0ob01502d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The combined Lewis acid catalytic system, generated from molecular iodine and tritylium tetrafluoroborate effectively catalyzed the Friedel-Crafts (FC) arylation of diarylmethyl sulfides providing an efficient access to various unsymmetrical triarylmethanes. The addition of tritylium and iodine created a more active catalytic system to promote the cleavage of sulfidic C-S bonds.
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Affiliation(s)
- Thibaut Courant
- Institut de Chimie des Substances Naturelles CNRS, Univ. Paris-Saclay, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France.
| | - Marine Lombard
- Institut de Chimie des Substances Naturelles CNRS, Univ. Paris-Saclay, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France.
| | - Dina V Boyarskaya
- Institut de Chimie des Substances Naturelles CNRS, Univ. Paris-Saclay, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France.
| | - Luc Neuville
- Institut de Chimie des Substances Naturelles CNRS, Univ. Paris-Saclay, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France.
| | - Géraldine Masson
- Institut de Chimie des Substances Naturelles CNRS, Univ. Paris-Saclay, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France.
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15
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Shang W, Duan D, Liu Y, Lv J. Carbocation Lewis Acid TrBF4-Catalyzed 1,2-Hydride Migration: Approaches to (Z)-α,β-Unsaturated Esters and α-Branched β-Ketocarbonyls. Org Lett 2019; 21:8013-8017. [DOI: 10.1021/acs.orglett.9b03005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Wansong Shang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Depeng Duan
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Yongjun Liu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Jian Lv
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
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16
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Zhang Q, Lv J, Luo S. Enantioselective Diels-Alder reaction of anthracene by chiral tritylium catalysis. Beilstein J Org Chem 2019; 15:1304-1312. [PMID: 31293679 PMCID: PMC6604712 DOI: 10.3762/bjoc.15.129] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 05/24/2019] [Indexed: 11/26/2022] Open
Abstract
The combination of the trityl cation and a chiral weakly coordinating Fe(III)-based bisphosphate anion was used to develop a new type of a highly active carbocation Lewis acid catalyst. The stereocontrol potential of the chiral tritylium ion pair was demonstrated by its application in an enantioselective Diels–Alder reaction of anthracene.
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Affiliation(s)
- Qichao Zhang
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, 100190, Beijing, China
| | - Jian Lv
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, 100190, Beijing, China.,State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, 266042, Qingdao, China
| | - Sanzhong Luo
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, 100190, Beijing, China.,Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, 100084, Beijing, China
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17
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Ni S, El Remaily MAEAAA, Franzén J. Carbocation Catalyzed Bromination of Alkyl Arenes, a Chemoselective
sp
3
vs. sp
2
C−H functionalization. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800788] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Shengjun Ni
- KTH, Royal Institute of TechnologySchool of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry/Division of Organic Chemistry Teknikringen 30 SE-100 44 Stockholm Sweden
| | - Mahmoud Abd El Aleem Ali Ali El Remaily
- KTH, Royal Institute of TechnologySchool of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry/Division of Organic Chemistry Teknikringen 30 SE-100 44 Stockholm Sweden
- Department of Chemistry, Faculty of ScienceSohag University 82524 Sohag Egypt
| | - Johan Franzén
- KTH, Royal Institute of TechnologySchool of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry/Division of Organic Chemistry Teknikringen 30 SE-100 44 Stockholm Sweden
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18
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Zhang Q, Lv J, Li S, Luo S. Carbocation Lewis Acid Catalyzed Diels–Alder Reactions of Anthracene Derivatives. Org Lett 2018; 20:2269-2272. [DOI: 10.1021/acs.orglett.8b00619] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Qichao Zhang
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian Lv
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Sujia Li
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Sanzhong Luo
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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19
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Abranches PADS, de Paiva WF, de Fátima Â, Martins FT, Fernandes SA. Calix[n]arene-Catalyzed Three-Component Povarov Reaction: Microwave-Assisted Synthesis of Julolidines and Mechanistic Insights. J Org Chem 2018; 83:1761-1771. [DOI: 10.1021/acs.joc.7b02532] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
| | | | - Ângelo de Fátima
- Departamento
de Química, ICEx, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901, Brazil
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20
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Khan I, Zhao C, Zhang YJ. Pd-Catalyzed asymmetric decarboxylative cycloaddition of vinylethylene carbonates with 3-cyanochromones. Chem Commun (Camb) 2018; 54:4708-4711. [DOI: 10.1039/c8cc02456a] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
An efficient method for the construction of furanobenzodihydropyran skeletons has been developed through Pd-catalyzed asymmetric decarboxylative cycloaddition of vinylethylene carbonates with 3-cyanochromones.
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Affiliation(s)
- Ijaz Khan
- School of Chemistry and Chemical Engineering, and Shanghai Key Laboratory of Electrical Insulation and Thermal Aging
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Can Zhao
- School of Chemistry and Chemical Engineering, and Shanghai Key Laboratory of Electrical Insulation and Thermal Aging
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Yong Jian Zhang
- School of Chemistry and Chemical Engineering, and Shanghai Key Laboratory of Electrical Insulation and Thermal Aging
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
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21
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Ni S, Franzén J. Carbocation catalysed ring closing aldehyde–olefin metathesis. Chem Commun (Camb) 2018; 54:12982-12985. [DOI: 10.1039/c8cc06734a] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
4-Phenylphenyl-diphenylmethylium tetrafluoroborate catalyses a rare high yielding intramolecular aldehyde–olefin metathesis of enals under mild reaction conditions and low catalyst loading.
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Affiliation(s)
- Shengjun Ni
- Department of Chemistry
- Organic Chemistry
- Royal Institute of Technology (KTH)
- SE-100 44 Stockholm
- Sweden
| | - Johan Franzén
- Department of Chemistry
- Organic Chemistry
- Royal Institute of Technology (KTH)
- SE-100 44 Stockholm
- Sweden
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