1
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Yang X, Sun J, Huang X, Jin Z. Asymmetric Synthesis of Structurally Sophisticated Spirocyclic Pyrano[2,3- c]pyrazole Derivatives Bearing a Chiral Quaternary Carbon Center. Org Lett 2022; 24:5474-5479. [PMID: 35857420 DOI: 10.1021/acs.orglett.2c02211] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A carbene-catalyzed enantio- and diastereoselective [2 + 4] cycloaddition reaction is developed for quick and efficient access to structurally complex multicyclic pyrano[2,3-c]pyrazole molecules. The reaction tolerates a broad scope of substrates bearing various substitution patterns, with the multicyclic pyrano[2,3-c]pyrazole products afforded in generally good to excellent yields and optical purities. The chiral molecules obtained from this approach has found promising applications in the development of novel bacteriacides for plant protection.
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Affiliation(s)
- Xiaoqun Yang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Jun Sun
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Xuan Huang
- International Joint Research Center for Molecular Science, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Zhichao Jin
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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2
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Yuan S, Zheng WH. Enantioselective Construction of Tertiary α-Alkyl Fluoride via BTM-Catalyzed Fluorination of α-Alkynyl-Substituted Acetic Acids. J Org Chem 2021; 87:713-720. [PMID: 34927437 DOI: 10.1021/acs.joc.1c02710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The isothiourea-catalyzed enantioselective construction of tertiary α-fluoro stereogenic centers has been demonstrated by using branched alkynyl-substituted acetic acids as starting materials, providing a broad range of optically active tertiary α-alkyl fluorides in high enantioselectivity (up to 97% ee). Furthermore, this methodology was proven to be scaled up to a Gram scale without loss of enantioselectivity.
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Affiliation(s)
- Shiru Yuan
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, 163 Xianlin Avenue, Nanjing, Jiangsu 210023, China
| | - Wen-Hua Zheng
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, 163 Xianlin Avenue, Nanjing, Jiangsu 210023, China
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3
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Origin of diastereoselectivity and catalytic efficiency on Isothiourea-mediated cyclization of carboxylic acid with alkenyl ketone. COMPUT THEOR CHEM 2020. [DOI: 10.1016/j.comptc.2020.113004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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4
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Qiao Y, Xiao Y, Zhao M, Li X, Chang J. Mechanisms and origin of regioselectivity on N-heterocyclic carbene-catalyzed [3+2]/[4+2] annulations of C60 with α,β-unsaturated aldehydes. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.111045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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5
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Computational Study on N-Heterocyclic Carbene (NHC)-Catalyzed Intramolecular Hydroacylation-Stetter Reaction Cascade. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2019.110723] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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6
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Yan CX, Yang FL, Lu K, Yang X, Zhou PP, Shao X. A semipinacol rearrangement of vinylogous α-ketol cocatalyzed by a cinchona-based primary amine and N-Boc-phenylglycines: mechanisms, roles of catalysts and the origin of enantioselectivity. Org Chem Front 2020. [DOI: 10.1039/d0qo00506a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A semipinacol rearrangement of vinylogous α-ketol cocatalyzed by a cinchona-based primary amine and Brønsted acids can be achieved with good enantiocontrol, and theoretical investigations have been performed to uncover and understand it in detail.
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Affiliation(s)
- Chao-Xian Yan
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Special Function Materials and Structure Design of Ministry of Education
- Advanced Catalysis Center
- College of Chemistry and Chemical Engineering
- Lanzhou University
| | - Fang-Ling Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Special Function Materials and Structure Design of Ministry of Education
- Advanced Catalysis Center
- College of Chemistry and Chemical Engineering
- Lanzhou University
| | - Ka Lu
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Special Function Materials and Structure Design of Ministry of Education
- Advanced Catalysis Center
- College of Chemistry and Chemical Engineering
- Lanzhou University
| | - Xing Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Special Function Materials and Structure Design of Ministry of Education
- Advanced Catalysis Center
- College of Chemistry and Chemical Engineering
- Lanzhou University
| | - Pan-Pan Zhou
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Special Function Materials and Structure Design of Ministry of Education
- Advanced Catalysis Center
- College of Chemistry and Chemical Engineering
- Lanzhou University
| | - Xiangfeng Shao
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Special Function Materials and Structure Design of Ministry of Education
- Advanced Catalysis Center
- College of Chemistry and Chemical Engineering
- Lanzhou University
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7
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Wang C, Li SJ, Zhang M, Wei D, Ding L. Origin of stereoselectivity in an isothiourea catalyzed Michael addition reaction of aryl ester with vinyl disulfone. NEW J CHEM 2020. [DOI: 10.1039/d0nj03540h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The origin of stereoselectivity in an isothiourea-catalyzed addition reaction of aryl ester with vinyl disulfone was explored for the first time.
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Affiliation(s)
- Congcong Wang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province
- Key Laboratory of Technology of Drug Preparation (Zhengzhou University)
- Ministry of Education of China
- Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences
- Zhengzhou University
| | - Shi-Jun Li
- College of Chemistry, and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Min Zhang
- College of Chemistry, and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Donghui Wei
- College of Chemistry, and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Lina Ding
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province
- Key Laboratory of Technology of Drug Preparation (Zhengzhou University)
- Ministry of Education of China
- Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences
- Zhengzhou University
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8
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Lu K, Feng X, Yan CX, Yang FL, Yang X, Zhou PP, Yang Z. Chiral phosphoric acid catalyzed asymmetric arylation of indolesvianucleophilic aromatic substitution: mechanisms and origin of enantioselectivity. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00008f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Asymmetric arylation of indolesvianucleophilic aromatic substitution can be effectively achieved using chiral phosphoric acid as catalyst, where the mechanisms and origin of enantioselectivity were explored theoretically.
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Affiliation(s)
- Ka Lu
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
| | - Xiao Feng
- Key Laboratory of Biotechnology of Antibiotics
- Ministry of Health
- Institute of Medicinal Biotechnology
- Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College (PUMC)
- Beijing 100050
| | - Chao-Xian Yan
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
| | - Fang-Ling Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
| | - Xing Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
| | - Pan-Pan Zhou
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
| | - Zhaoyong Yang
- Key Laboratory of Biotechnology of Antibiotics
- Ministry of Health
- Institute of Medicinal Biotechnology
- Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College (PUMC)
- Beijing 100050
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9
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Deng Q, Mu F, Qiao Y, Wei D. A theoretical review for novel Lewis base amine/imine-catalyzed reactions. Org Biomol Chem 2020; 18:6781-6800. [DOI: 10.1039/d0ob01378a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Recent advances in computational investigations of Lewis base amine/imine-catalyzed reactions have been systematically summarized and reviewed for the first time.
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Affiliation(s)
- Qianqian Deng
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou
- China
| | - Fangjing Mu
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou
- China
| | - Yan Qiao
- Department of Pathophysiology
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- China
| | - Donghui Wei
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou
- China
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10
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Liu SC, Li X, Li SJ, Wei D. Insight into Isothiourea-Catalyzed Enantioselective Addition of Saturated Esters to Iminium Ions. Chem Asian J 2019; 14:4322-4327. [PMID: 31646734 DOI: 10.1002/asia.201901163] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/21/2019] [Indexed: 01/04/2023]
Abstract
The possible mechanisms and origin of the selectivities of isothiourea-catalyzed addition of saturated esters to iminium ions have been investigated by density functional theory. The favorable reaction pathway includes three stages: formation of an ammonium enolate intermediate, enantioselective addition of the ammonium enolate intermediate to the iminium ion, and dissociation of the catalyst to form the product. The enantioselective addition process is the stereoselectivity-determining step, while the chemoselectivity-determining step is included in the formation of the final product. The calculated energy barriers show that the chemoselectivity is thermodynamically controlled, and it depends on the polarities of the products and the nucleophilicities of the N atoms of the enamine reactant moieties of the intermediates. The origin of the stereoselectivity was investigated by non-covalent interaction analysis of the key transition states. Hydrogen bonding interactions were identified as the determining factor for controlling the stereoselectivity. The obtained insight will be valuable for rational design of novel Lewis base organocatalyst-promoted enantioselective addition reactions with special chemoselectivities.
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Affiliation(s)
- Si-Cong Liu
- The College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan Province, 450001, P. R. China
| | - Xue Li
- The College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan Province, 450001, P. R. China
| | - Shi-Jun Li
- The College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan Province, 450001, P. R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan Province, 450001, P. R. China
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11
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Yan M, Zhang Z, Zhou J, Li W, Zhang C, Zhang J, Wang H, Yang X, Fan S, Yang Z. Synthesis and DFT studies of novel aryloxymaleimides via nucleophilic substitution of tosyloxy group. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.04.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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12
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Le TNM, Doan SH, Pham PH, Trinh KH, Huynh TV, Tran TTT, Le MV, Nguyen TT, Phan NTS. Synthesis of triphenylpyridines via an oxidative cyclization reaction using Sr-doped LaCoO 3 perovskite as a recyclable heterogeneous catalyst. RSC Adv 2019; 9:23876-23887. [PMID: 35530585 PMCID: PMC9069450 DOI: 10.1039/c9ra04096j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 07/13/2019] [Indexed: 01/25/2023] Open
Abstract
An La0.6Sr0.4CoO3 strontium-doped lanthanum cobaltite perovskite was prepared via a gelation and calcination approach and used as a heterogeneous catalyst for the synthesis of triphenylpyridines via the cyclization reaction between ketoximes and phenylacetic acids. The transformation proceeded via the oxidative functionalization of the sp3 C-H bond in phenylacetic acid. The La0.6Sr0.4CoO3 catalyst demonstrated a superior performance to that of the pristine LaCoCO3 as well as a series of homogeneous and heterogeneous catalysts. Furthermore, the La0.6Sr0.4CoO3 catalyst was facilely recovered and reused without considerable decline in its catalytic efficiency. To the best of our knowledge, the combination of ketoximes with easily available phenylacetic acids is novel.
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Affiliation(s)
- Thu N M Le
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 extn 5681
| | - Son H Doan
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 extn 5681
| | - Phuc H Pham
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 extn 5681
| | - Khang H Trinh
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 extn 5681
| | - Tien V Huynh
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 extn 5681
| | - Tien T T Tran
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 extn 5681
| | - Minh-Vien Le
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 extn 5681
| | - Tung T Nguyen
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 extn 5681
| | - Nam T S Phan
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam +84 8 38637504 +84 8 38647256 extn 5681
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13
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Li L, Ding D, Song J, Han Z, Gong L. Catalytic Generation of C1 Ammonium Enolates from Halides and CO for Asymmetric Cascade Reactions. Angew Chem Int Ed Engl 2019; 58:7647-7651. [DOI: 10.1002/anie.201901501] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 03/10/2019] [Indexed: 01/02/2023]
Affiliation(s)
- Lu‐Lu Li
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
| | - Du Ding
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
| | - Jin Song
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
| | - Zhi‐Yong Han
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
| | - Liu‐Zhu Gong
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
- Collaborative Innovation Center of Chemical Science, and Engineering Tianjin China
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14
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Liu Q, Sun L, Li S, Li X, Qu L, Lan Y, Wei D. Insights into N‐Heterocyclic Carbene (NHC)‐Catalyzed Asymmetric Addition of 2H‐Azirine with Aldehyde. Chem Asian J 2019; 14:2000-2007. [DOI: 10.1002/asia.201900076] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/14/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Qiuli Liu
- The College of Chemistry and Molecular EngineeringZhengzhou University No. 100 Kexue Street Zhengzhou Henan 450001 P. R. China
| | - Ling Sun
- Basic Teaching DepartmentHuanghe Jiaotong University No. 333 Yingbin Road Wuzhi Henan 454950 P. R. China
| | - Shi‐Jun Li
- The College of Chemistry and Molecular EngineeringZhengzhou University No. 100 Kexue Street Zhengzhou Henan 450001 P. R. China
| | - Xue Li
- The College of Chemistry and Molecular EngineeringZhengzhou University No. 100 Kexue Street Zhengzhou Henan 450001 P. R. China
| | - Ling‐Bo Qu
- The College of Chemistry and Molecular EngineeringZhengzhou University No. 100 Kexue Street Zhengzhou Henan 450001 P. R. China
| | - Yu Lan
- The College of Chemistry and Molecular EngineeringZhengzhou University No. 100 Kexue Street Zhengzhou Henan 450001 P. R. China
| | - Donghui Wei
- The College of Chemistry and Molecular EngineeringZhengzhou University No. 100 Kexue Street Zhengzhou Henan 450001 P. R. China
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15
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Li L, Ding D, Song J, Han Z, Gong L. Catalytic Generation of C1 Ammonium Enolates from Halides and CO for Asymmetric Cascade Reactions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201901501] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Lu‐Lu Li
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
| | - Du Ding
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
| | - Jin Song
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
| | - Zhi‐Yong Han
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
| | - Liu‐Zhu Gong
- Hefei National Laboratory for Physical Sciences at Microscale and Department of ChemistryUniversity of Science and Technology of China Hefei 230026 China
- Collaborative Innovation Center of Chemical Science, and Engineering Tianjin China
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16
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Gong Y, Wang Y, Li E, Cui H, Duan Z. Enantio‐ and Diastereoselective Synthesis of β‐Aryl‐β‐pyrazolyl α‐Amino Acid Esters via Copper‐Catalyzed Reaction of Azomethine Ylides with Benzylidenepyrazolones. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801137] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Yan‐Chuan Gong
- College of Chemistry and Molecular Engineering, International Phosphorus Laboratory, International Joint Research Laboratory for Functional Organophosphorus Materials of Henan ProvinceZhengzhou University Zhengzhou 450001 People's Republic of China
| | - Yue Wang
- College of Chemistry and Molecular Engineering, International Phosphorus Laboratory, International Joint Research Laboratory for Functional Organophosphorus Materials of Henan ProvinceZhengzhou University Zhengzhou 450001 People's Republic of China
| | - Er‐Qing Li
- College of Chemistry and Molecular Engineering, International Phosphorus Laboratory, International Joint Research Laboratory for Functional Organophosphorus Materials of Henan ProvinceZhengzhou University Zhengzhou 450001 People's Republic of China
| | - Hao Cui
- College of Chemistry and Molecular Engineering, International Phosphorus Laboratory, International Joint Research Laboratory for Functional Organophosphorus Materials of Henan ProvinceZhengzhou University Zhengzhou 450001 People's Republic of China
| | - Zheng Duan
- College of Chemistry and Molecular Engineering, International Phosphorus Laboratory, International Joint Research Laboratory for Functional Organophosphorus Materials of Henan ProvinceZhengzhou University Zhengzhou 450001 People's Republic of China
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17
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Wang Y, Wu QY, Lai TH, Zheng KJ, Qu LB, Wei D. Prediction on the origin of selectivities of NHC-catalyzed asymmetric dearomatization (CADA) reactions. Catal Sci Technol 2019. [DOI: 10.1039/c8cy02238k] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The mechanism and origin of selectivities of NHC-catalyzed dearomatization reaction have been theoretically studied.
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Affiliation(s)
- Yang Wang
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P.R. China
| | - Qiu-Yu Wu
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P.R. China
| | - Tian-Hua Lai
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P.R. China
| | - Kai-Jun Zheng
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P.R. China
| | - Ling-Bo Qu
- College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Donghui Wei
- College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
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18
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Zhang QC, Li X, Wang X, Li SJ, Qu LB, Lan Y, Wei D. Insights into highly selective ring expansion of oxaziridines under Lewis base catalysis: a DFT study. Org Chem Front 2019. [DOI: 10.1039/c8qo01370e] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The possible mechanism and stereoselectivity of the NHC-catalyzed ring expansion reaction of oxaziridines have been theoretically studied for the first time.
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Affiliation(s)
- Qiao-Chu Zhang
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Xue Li
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Xinghua Wang
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Shi-Jun Li
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Ling-Bo Qu
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yu Lan
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
- School of Chemistry and Chemical Engineering
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
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19
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Zhao M, Xiao Y, Qiao Y. Mechanistic insights and origin of chemoselectivity for S–O bond cleavage in dinitrobenzenesulfonic carbamates. NEW J CHEM 2019. [DOI: 10.1039/c9nj03770e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A computational study on the NHC-catalyzed chemoselective S–O bond cleavage in dinitrobenzenesulfonic carbamates.
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Affiliation(s)
- Miao Zhao
- Department of Pathophysiology
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- China
| | - Yang Xiao
- Department of Pathophysiology
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- China
| | - Yan Qiao
- Department of Pathophysiology
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- China
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20
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Yan CX, Wu RZ, Lu K, Yang FL, Yang XS, Wang R, Yang X, Zhou PP, Shao X. Why electrostatically enhanced thiourea is better than Schreiner's thiourea in both catalytic activity and regioselectivity? Org Chem Front 2019. [DOI: 10.1039/c9qo00251k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Electrostatically enhanced thiourea is more active and efficient than Schreiner's thiourea in the ring-opening aminolysis of styrene oxide with aniline, and the underlying reasons were explored by DFT calculations.
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Affiliation(s)
- Chao-Xian Yan
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Rui-Zhi Wu
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Ka Lu
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Fang-Ling Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Xiao-Shan Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Rui Wang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Xing Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Pan-Pan Zhou
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Xiangfeng Shao
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
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21
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Shi Q, Wang W, Wang Y, Lan Y, Yao C, Wei D. Prediction on the origin of chemoselectivity in Lewis base-mediated competition cyclizations between allenoates and chalcones: a computational study. Org Chem Front 2019. [DOI: 10.1039/c9qo00606k] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The HOMOTSs and p-orbital contributions of the center atoms were used to predict the origin of chemoselectivity in this work.
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Affiliation(s)
- Qianqian Shi
- College of Chemistry and Molecular Engineering
- and School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Wei Wang
- College of Chemistry and Molecular Engineering
- and School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Yang Wang
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P. R. China
| | - Yu Lan
- College of Chemistry and Molecular Engineering
- and School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Changsheng Yao
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials
- School of Chemistry & Materials Science
- Jiangsu Normal University
- Xuzhou
- P. R. China
| | - Donghui Wei
- College of Chemistry and Molecular Engineering
- and School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- P. R. China
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22
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Li X, Li SJ, Wang Y, Wang Y, Qu LB, Li Z, Wei D. Insights into NHC-catalyzed oxidative α-C(sp3)–H activation of aliphatic aldehydes and cascade [2 + 3] cycloaddition with azomethine imines. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00526a] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The NHC catalyst is identified to promote [2 + 3] cycloaddition by avoiding the poor FMO overlap mode in theory.
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Affiliation(s)
- Xue Li
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Shi-Jun Li
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yanyan Wang
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yang Wang
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P.R. China
| | - Ling-Bo Qu
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Zhongjun Li
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
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23
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Qiao Y, Zhao J, Chang J, Wei D. Insights into the Oxidative Palladium-Catalyzed Regioselective Synthesis of 3-Arylindoles from N−Ts-Anilines and Styrenes: A Computational Study. ChemCatChem 2018. [DOI: 10.1002/cctc.201801531] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Yan Qiao
- School of Basic Medical Sciences; Zhengzhou University; Zhengzhou 450001 P.R. China
| | - Jimin Zhao
- School of Basic Medical Sciences; Zhengzhou University; Zhengzhou 450001 P.R. China
| | - Junbiao Chang
- College of Chemistry and Molecular Engineering; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P.R. China
| | - Donghui Wei
- College of Chemistry and Molecular Engineering; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P.R. China
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24
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Liu Q, Li SJ, Li. X, Qu LB, Wei D. A Computational Study on the 4-Dimethylaminopyridine (DMAP)-Catalyzed Regioselective [2+4] Cyclization of Allenic Ester with Cyclic Ketimine. ChemistrySelect 2018. [DOI: 10.1002/slct.201802267] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Qiuli Liu
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
| | - Shi-Jun Li
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
| | - Xue Li.
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
| | - Ling-Bo Qu
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
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25
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Li X, Tang M, Wang Y, Wang Y, Li Z, Qu LB, Wei D. Insights into the N-Heterocyclic Carbene (NHC)-Catalyzed Intramolecular Cyclization of Aldimines: General Mechanism and Role of Catalyst. Chem Asian J 2018; 13:1710-1718. [PMID: 29667337 DOI: 10.1002/asia.201800313] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/02/2018] [Indexed: 12/14/2022]
Abstract
One of the most challenging questions in the Lewis base organocatalyst field is how to predict the most electrophilic carbon for the complexation of N-heterocyclic carbene (NHC) and reactant. This study provides a valuable case for this issue. Multiple mechanisms (A, B, C, D, and E) for the intramolecular cyclization of aldimine catalyzed by NHC were investigated by using density functional theory (DFT). The computed results reveal that the NHC energetically prefers attacking the iminyl carbon (AIC mode, which is associated with mechanisms A and C) rather than attacking the olefin carbon (AOC mode, which is associated with mechanisms B and D) or attacking the carbonyl carbon (ACC mode, which is associated with mechanism E) of aldimine. The calculated results based on the different reaction models indicate that mechanism A (AIC mode), which is associated with the formation of the aza-Breslow intermediate, is the most favorable pathway. For mechanism A, there are five steps: (1) nucleophilic addition of NHC to the iminyl carbon of aldimine; (2) [1,2]-proton transfer to form an aza-Breslow intermediate; (3) intramolecular cyclization; (4) the other [1,2]-proton transfer; and (5) regeneration of NHC. The analyses of reactivity indexes have been applied to explain the chemoselectivity, and the general principles regarding the possible mechanisms would be useful for the rational design of NHC-catalyzed chemoselective reactions.
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Affiliation(s)
- Xue Li
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Mingsheng Tang
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Yanyan Wang
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Yang Wang
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, No. 100 Kexue Street, Zhengzhou, Henan, 450002, P. R. China
| | - Zhongjun Li
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Ling-Bo Qu
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
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26
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Liu S, Bao X, Wang B. Pyrazolone: a powerful synthon for asymmetric diverse derivatizations. Chem Commun (Camb) 2018; 54:11515-11529. [DOI: 10.1039/c8cc06196c] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This feature article reports recent advances in the asymmetric diverse derivatizations of the pyrazolone scaffold.
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Affiliation(s)
- Siyuan Liu
- State Key Laboratory of Fine Chemicals
- School of Pharmaceutical Science and Technology
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Xiaoze Bao
- State Key Laboratory of Fine Chemicals
- School of Pharmaceutical Science and Technology
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Baomin Wang
- State Key Laboratory of Fine Chemicals
- School of Pharmaceutical Science and Technology
- Dalian University of Technology
- Dalian 116024
- P. R. China
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27
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Liu C, Han P, Xie Z, Xu Z, Wei D. Insights into Ag(i)-catalyzed addition reactions of amino alcohols to electron-deficient olefins: competing mechanisms, role of catalyst, and origin of chemoselectivity. RSC Adv 2018; 8:40338-40346. [PMID: 35558202 PMCID: PMC9091461 DOI: 10.1039/c8ra09065c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 11/28/2018] [Indexed: 12/29/2022] Open
Abstract
The competing mechanisms of Ag(i)-catalyzed chemoselective addition reactions of amino alcohols and electron-deficient olefins leading to the O-adduct or N-adduct products were systematically studied with density functional theory methods. Calculations indicate that the AgHMDS/dppe versus AgOAc/dppe catalytic systems can play different roles and thereby generate two different products. The AgHMDS/dppe system works as a Brønsted base to deprotonate the amino alcohol OH to form the Ag–O bond, which leads to formation of the O-adduct. In contrast, the AgOAc/dppe system mainly acts as a Lewis acid to coordinate with O and N atoms of the amino alcohol, but it cannot act as the Brønsted base to further activate the OH group because of its weaker basicity. Therefore, the AgOAc/dppe catalyzed reaction has a mechanism that is similar to the non-catalyzed reaction, and generates the same N-adduct. The obtained insights will be important for rational design of the various kinds of cooperatively catalyzed chemoselective addition reactions, including the use of the less nucleophilic hydroxyl groups of unprotected amino alcohols. The origin of the chemoselectivities of Ag(i)-catalyzed addition reactions of amino alcohols to olefin has been predicted for the first time.![]()
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Affiliation(s)
- Chunhui Liu
- School of Chemistry and Chemical Engineering
- Xuchang University of China
- Xuchang
- P. R. China
| | - Peilin Han
- School of Chemistry and Chemical Engineering
- Xuchang University of China
- Xuchang
- P. R. China
| | - Zhizhong Xie
- Department of Chemistry
- School of Chemistry, Chemical Engineering and Life Sciences
- Wuhan University of Technology
- Wuhan
- P. R. China
| | - Zhihong Xu
- School of Chemistry and Chemical Engineering
- Xuchang University of China
- Xuchang
- P. R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University of China
- Zhengzhou
- P. R. China
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28
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Shi Q, Wang Y, Wang Y, Qu LB, Qiao Y, Wei D. Insights into N-heterocyclic carbene-catalyzed [3 + 4] annulation reactions of 2-bromoenals with N-Ts hydrazones. Org Chem Front 2018. [DOI: 10.1039/c8qo00716k] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A DFT study toward N-heterocyclic carbene-catalyzed [3 + 4] annulation reactions of 2-bromoenals has been performed for the first time.
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Affiliation(s)
- Qianqian Shi
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yang Wang
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P.R. China
| | - Yanyan Wang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Ling-Bo Qu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yan Qiao
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Donghui Wei
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
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29
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Yan CX, Zhou PP, Yang FL, Wu RZ, Yang X, Yang F, Shao X. Chiral bisoxazoline catalyzed decarboxylative aldol reactions between β-carbonyl acids and trifluoroacetaldehyde hemiacetals as well as trifluoroacetaldehyde: the mechanism, the origin of enantioselectivity and the role of a catalyst. Org Chem Front 2018. [DOI: 10.1039/c8qo00578h] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The role of a catalyst in the decarboxylative aldol reactions between β-carbonyl acids and trifluoroacetaldehyde hemiacetals as well as trifluoroacetaldehyde catalyzed by chiral bisoxazoline were unveiled theoretically.
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Affiliation(s)
- Chao-Xian Yan
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Pan-Pan Zhou
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Fang-Ling Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Rui-Zhi Wu
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Xing Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Fan Yang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
| | - Xiangfeng Shao
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
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