51
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Zheng J, Meng Z, Lu D, Zhao D, Chen Q, Yang W. Michael Addition Reactions of Highly Basic Enolates for the Formation of 2‐(Tosylamino)Dihydrochalcones. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900514] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Jing Zheng
- School of Resources Environmental and Chemical EngineeringNanChang University NanChang 330031 China
| | - Zhongrong Meng
- College of ChemistryNanChang University NanChang 330031 China
| | - Doudou Lu
- School of Resources Environmental and Chemical EngineeringNanChang University NanChang 330031 China
| | - Dongxin Zhao
- School of Resources Environmental and Chemical EngineeringNanChang University NanChang 330031 China
| | - Qinfang Chen
- School of Resources Environmental and Chemical EngineeringNanChang University NanChang 330031 China
| | - Weiran Yang
- School of Resources Environmental and Chemical EngineeringNanChang University NanChang 330031 China
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52
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Lu S, Ong JY, Yang H, Poh SB, Liew X, Seow CSD, Wong MW, Zhao Y. Diastereo- and Atroposelective Synthesis of Bridged Biaryls Bearing an Eight-Membered Lactone through an Organocatalytic Cascade. J Am Chem Soc 2019; 141:17062-17067. [DOI: 10.1021/jacs.9b08510] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Shenci Lu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Republic of Singapore
- Shaanxi Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi’an 710072, China
| | - Jun-Yang Ong
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Republic of Singapore
- Graduate School for Integrative Sciences Engineering (NGS), National University of Singapore, 28 Medical Drive 3, 117456 Republic of Singapore
| | - Hui Yang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Republic of Singapore
| | - Si Bei Poh
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Republic of Singapore
| | - Xi Liew
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Republic of Singapore
| | - Chwee San Deborah Seow
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Republic of Singapore
| | - Ming Wah Wong
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Republic of Singapore
| | - Yu Zhao
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Republic of Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
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53
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Chen M, Qian D, Sun J. Organocatalytic Enantioconvergent Synthesis of Tetrasubstituted Allenes via Asymmetric 1,8-Addition to aza-para-Quinone Methides. Org Lett 2019; 21:8127-8131. [DOI: 10.1021/acs.orglett.9b03224] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Min Chen
- Department of Chemistry and Shenzhen Research Institute, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Deyun Qian
- Department of Chemistry and Shenzhen Research Institute, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Jianwei Sun
- Department of Chemistry and Shenzhen Research Institute, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
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54
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Zhang L, Han Y, Huang A, Zhang P, Li P, Li W. Organocatalytic Remote Stereocontrolled 1,8-Additions of Thiazolones to Propargylic Aza- p-quinone Methides. Org Lett 2019; 21:7415-7419. [PMID: 31486650 DOI: 10.1021/acs.orglett.9b02726] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A remote stereocontrolled 1,8-conjugate addition of thiazolones to propargylic aza-p-quinone methides formed from propargylic alcohols has been developed with the aid of a chiral phosphoric acid, and this represents the first report on organocatalytic stereocontrolled 1,8-addition of propargylic aza-p-quinone methides. Notably, the remote stereocontrolled activation protocol enables the construction of vicinal sulfur-containing quaternary carbon stereocenters and axially chiral tetrasubstituted allenes and promotes the chemistry of chiral phosphoric acids.
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Affiliation(s)
- Lili Zhang
- Department of Medicinal Chemistry, School of Pharmacy , Qingdao University , Qingdao 266021 , P. R. China
| | - Yuzhe Han
- Department of Chemistry and Shenzhen Key Laboratory of Marine Archaea Geo-Omics , Southern University of Science and Technology , Shenzhen 518055 , P. R. China
| | - Anqi Huang
- Department of Medicinal Chemistry, School of Pharmacy , Qingdao University , Qingdao 266021 , P. R. China
| | - Pei Zhang
- Department of Medicinal Chemistry, School of Pharmacy , Qingdao University , Qingdao 266021 , P. R. China
| | - Pengfei Li
- Department of Chemistry and Shenzhen Key Laboratory of Marine Archaea Geo-Omics , Southern University of Science and Technology , Shenzhen 518055 , P. R. China
| | - Wenjun Li
- Department of Medicinal Chemistry, School of Pharmacy , Qingdao University , Qingdao 266021 , P. R. China
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55
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Wang Y, Xiong Q, Lu L, Zhang Q, Wang Y, Lan Y, Xiao W. Inverse‐Electron‐Demand Palladium‐Catalyzed Asymmetric [4+2] Cycloadditions Enabled by Chiral P,S‐Ligand and Hydrogen Bonding. Angew Chem Int Ed Engl 2019; 58:11013-11017. [DOI: 10.1002/anie.201905993] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Ya‐Ni Wang
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Qin Xiong
- College of Chemistry and Molecular EngineeringZhengzhou University Zhengzhou 450001 China
| | - Liang‐Qiu Lu
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Qun‐Liang Zhang
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Ying Wang
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Yu Lan
- College of Chemistry and Molecular EngineeringZhengzhou University Zhengzhou 450001 China
| | - Wen‐Jing Xiao
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
- Key Lab of Functional Molecular Engineering of Guangdong ProvinceSouth China University of Technology Guangdong 510006 China
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56
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Wang Y, Xiong Q, Lu L, Zhang Q, Wang Y, Lan Y, Xiao W. Inverse‐Electron‐Demand Palladium‐Catalyzed Asymmetric [4+2] Cycloadditions Enabled by Chiral P,S‐Ligand and Hydrogen Bonding. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905993] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ya‐Ni Wang
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Qin Xiong
- College of Chemistry and Molecular EngineeringZhengzhou University Zhengzhou 450001 China
| | - Liang‐Qiu Lu
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Qun‐Liang Zhang
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Ying Wang
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Yu Lan
- College of Chemistry and Molecular EngineeringZhengzhou University Zhengzhou 450001 China
| | - Wen‐Jing Xiao
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
- Key Lab of Functional Molecular Engineering of Guangdong ProvinceSouth China University of Technology Guangdong 510006 China
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57
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[4 + 3]-Cycloaddition of aza-o-quinone methides and azomethine imines to make 1,2,4-triazepines. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.05.038] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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58
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Liu Q, Liu TX, Ma N, Tu C, Wang R, Zhang G. Cu(II)/Mn(III)-Promoted Synergistic Radical N-Heteroannulation Reaction: Synthesis of [60]Fullerene-Fused Tetrahydroquinoline Derivatives. J Org Chem 2019; 84:7255-7264. [DOI: 10.1021/acs.joc.9b00929] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Qingfeng Liu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Tong-Xin Liu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Nana Ma
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Chenhao Tu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Ruoya Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Guisheng Zhang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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59
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Mukhopadhyay S, Pan SC. Organocatalytic Asymmetric Mannich Reaction of Dihydro-3-carboalkoxy-2-quinolones with PreformedN-Boc Imines. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900156] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Subhas Chandra Pan
- Department of Chemistry; Indian Institute of Technology Guwahati; Assam 781039 India
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60
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Muthukrishnan I, Sridharan V, Menéndez JC. Progress in the Chemistry of Tetrahydroquinolines. Chem Rev 2019; 119:5057-5191. [PMID: 30963764 DOI: 10.1021/acs.chemrev.8b00567] [Citation(s) in RCA: 238] [Impact Index Per Article: 47.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Tetrahydroquinoline is one of the most important simple nitrogen heterocycles, being widespread in nature and present in a broad variety of pharmacologically active compounds. This Review summarizes the progress achieved in the chemistry of tetrahydroquinolines, with emphasis on their synthesis, during the period from mid-2010 to early 2018.
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Affiliation(s)
- Isravel Muthukrishnan
- Department of Chemistry, School of Chemical and Biotechnology , SASTRA Deemed University , Thanjavur 613401 , Tamil Nadu , India
| | - Vellaisamy Sridharan
- Department of Chemistry, School of Chemical and Biotechnology , SASTRA Deemed University , Thanjavur 613401 , Tamil Nadu , India.,Department of Chemistry and Chemical Sciences , Central University of Jammu , Rahya-Suchani (Bagla) , District-Samba, Jammu 181143 , Jammu and Kashmir , India
| | - J Carlos Menéndez
- Unidad de Química Orgańica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia , Universidad Complutense , 28040 Madrid , Spain
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61
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Trost BM, Nagaraju A, Wang F, Zuo Z, Xu J, Hull KL. Palladium-Catalyzed Decarboxylative Asymmetric Allylic Alkylation of Dihydroquinolinones. Org Lett 2019; 21:1784-1788. [DOI: 10.1021/acs.orglett.9b00358] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Barry M. Trost
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
| | - Anugula Nagaraju
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
| | - Feijun Wang
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
| | - Zhijun Zuo
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
| | - Jiayi Xu
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
| | - Kami L. Hull
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
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62
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Wu Z, Wang J. A tandem dearomatization/rearomatization strategy: enantioselective N-heterocyclic carbene-catalyzed α-arylation. Chem Sci 2019; 10:2501-2506. [PMID: 30881680 PMCID: PMC6385844 DOI: 10.1039/c8sc04601h] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 12/21/2018] [Indexed: 12/14/2022] Open
Abstract
In this study, the first example of carbene-catalyzed tandem dearomatization/rearomatization reaction of azonaphthalenes with α-chloroaldehydes is described.
In this study, the first example of the carbene-catalyzed tandem dearomatization/rearomatization reaction of azonaphthalenes with α-chloroaldehydes is described. This protocol enables the efficient assembly of chiral dihydrocinnolinone derivatives in good yields with excellent enantioselectivities (up to 99% ee). Moreover, this strategy enables not only the highly enantioselective NHC-catalyzed nucleophilic aromatic substitution, but also a formal Csp2–Csp3 bond formation.
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Affiliation(s)
- Zijun Wu
- School of Pharmaceutical Sciences , Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology , Ministry of Education , Tsinghua University , Beijing , 100084 , China .
| | - Jian Wang
- School of Pharmaceutical Sciences , Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology , Ministry of Education , Tsinghua University , Beijing , 100084 , China .
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63
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Fernando JEM, Nakano Y, Zhang C, Lupton DW. Enantioselective N‐Heterocyclic Carbene Catalysis that Exploits Imine Umpolung. Angew Chem Int Ed Engl 2019; 58:4007-4011. [DOI: 10.1002/anie.201812585] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Indexed: 11/09/2022]
Affiliation(s)
| | - Yuji Nakano
- School of Chemistry Monash University Clayton 3800 Victoria Australia
| | - Changhe Zhang
- 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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64
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Fernando JEM, Nakano Y, Zhang C, Lupton DW. Enantioselective N‐Heterocyclic Carbene Catalysis that Exploits Imine Umpolung. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812585] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Yuji Nakano
- School of ChemistryMonash University Clayton 3800 Victoria Australia
| | - Changhe Zhang
- School of ChemistryMonash University Clayton 3800 Victoria Australia
| | - David W. Lupton
- School of ChemistryMonash University Clayton 3800 Victoria Australia
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65
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Liu X, Wang K, Guo W, Liu Y, Li C. An organic-base catalyzed asymmetric 1,4-addition of tritylthiol to in situ generated aza-o-quinone methides at the H2O/DCM interface. Chem Commun (Camb) 2019; 55:2668-2671. [DOI: 10.1039/c8cc09382b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly enantioselective organocatalytic Michael addition of tritylthiol to N-o-QM intermediates generated in situ at the H2O/DCM interface is presented.
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Affiliation(s)
- Xianghui Liu
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- P. R. China
| | - Kai Wang
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- P. R. China
| | - Wengang Guo
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- P. R. China
| | - Yan Liu
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- P. R. China
| | - Can Li
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- P. R. China
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66
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Bai Z, Tong H, Wang H, Chen G, He G. Synthesis of 2,3-Fused Indoline Aminals via
4 + 2 Cycloaddition of NH-free Benzazetidines with Indoles. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201800483] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Zibo Bai
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry; Nankai University; Tianjin 300071 China
| | - Huarong Tong
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry; Nankai University; Tianjin 300071 China
| | - Hao Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry; Nankai University; Tianjin 300071 China
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry; Nankai University; Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry; Nankai University; Tianjin 300071 China
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67
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Hodík T, Schneider C. A Highly Enantio‐ and Diastereoselective Synthesis of Spirocyclic Dihydroquinolones via Domino Michael Addition‐Lactamization of
ortho
‐Quinone Methide Imines. Chemistry 2018; 24:18082-18088. [DOI: 10.1002/chem.201803886] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Tomáš Hodík
- Institut für Organische ChemieUniversität Leipzig Johannisallee 29 04103 Leipzig Germany
| | - Christoph Schneider
- Institut für Organische ChemieUniversität Leipzig Johannisallee 29 04103 Leipzig Germany
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68
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Zheng Y, Tu L, Li N, Huang R, Feng T, Sun H, Li Z, Liu J. Inverse‐Electron‐Demand [4+2]‐Cycloaddition of 1,3,5‐triazinanes: Facile Approaches to Tetrahydroquinazolines. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801063] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yongsheng Zheng
- School of Pharmaceutical SciencesSouth-Central University of Nationalities, Wuhan 430074 People's Republic of China
| | - Liang Tu
- School of Pharmaceutical SciencesSouth-Central University of Nationalities, Wuhan 430074 People's Republic of China
| | - Na Li
- School of Pharmaceutical SciencesSouth-Central University of Nationalities, Wuhan 430074 People's Republic of China
| | - Rong Huang
- School of Pharmaceutical SciencesSouth-Central University of Nationalities, Wuhan 430074 People's Republic of China
| | - Tao Feng
- School of Pharmaceutical SciencesSouth-Central University of Nationalities, Wuhan 430074 People's Republic of China
| | - Huan Sun
- School of Pharmaceutical SciencesSouth-Central University of Nationalities, Wuhan 430074 People's Republic of China
| | - Zhenghui Li
- School of Pharmaceutical SciencesSouth-Central University of Nationalities, Wuhan 430074 People's Republic of China
| | - Jikai Liu
- School of Pharmaceutical SciencesSouth-Central University of Nationalities, Wuhan 430074 People's Republic of China
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69
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Sun K, Jin S, Zhu J, Zhang X, Gao M, Zhang W, Lu T, Du D. N-Heterocyclic Carbene-Catalyzed in situ
Activation of Alkynyl Acids for C−S Bond Formation: Access to Imidazo[2,1-b
][1,3]thiazinones. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800857] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Kewen Sun
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Shiyi Jin
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Jindong Zhu
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Xinmiao Zhang
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Maoyu Gao
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Wanqi Zhang
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Tao Lu
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Ding Du
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
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70
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Gu Z, Wu B, Jiang GF, Zhou YG. Synthesis of Benzofuran-fused 1,4-Dihydropyridines via
Bifunctional Squaramide-catalyzed Formal [4+2] Cycloaddition of Azadienes with Malononitrile. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201800330] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Zheng Gu
- College of Chemistry and Chemical Engineering, Hunan University; Changsha Hunan 410082 China
| | - Bo Wu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian Liaoning 116023 China
| | - Guo-Fang Jiang
- College of Chemistry and Chemical Engineering, Hunan University; Changsha Hunan 410082 China
| | - Yong-Gui Zhou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian Liaoning 116023 China
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71
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Long W, Chen S, Zhang X, Fang L, Wang Z. Diversity-oriented synthesis of 1,2,3,5-tetrahydrobenzo[e][1,2,4]oxadiazepines and 2,3-dihydro-1H-benzo[e][1,2,4]triazepines by base-induced [4 + 3] annulation reactions. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.09.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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72
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Chen H, Guo L, Yu S. Primary, Secondary, and Tertiary γ-C(sp3)–H Vinylation of Amides via Organic Photoredox-Catalyzed Hydrogen Atom Transfer. Org Lett 2018; 20:6255-6259. [DOI: 10.1021/acs.orglett.8b02737] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Hui Chen
- State Key Laboratory of Analytical Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Liangliang Guo
- State Key Laboratory of Analytical Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Shouyun Yu
- State Key Laboratory of Analytical Chemistry for Life Science, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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73
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Wang Y, Lin JB, Xie JK, Lu H, Hu XQ, Xu PF. Dearomative Dienolate-Mediated Catalysis: A Remote Activation Strategy for Asymmetric Functionalization of Benzylic C–H Bonds of Heteroaryl Aldehydes. Org Lett 2018; 20:5835-5839. [DOI: 10.1021/acs.orglett.8b02523] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Yang Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Jun-Bing Lin
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Ji-Kang Xie
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Hong Lu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xiu-Qin Hu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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74
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Mukhopadhyay S, Pan SC. An organocatalytic asymmetric Mannich reaction for the synthesis of 3,3-disubstituted-3,4-dihydro-2-quinolones. Org Biomol Chem 2018; 16:5407-5411. [PMID: 30024000 DOI: 10.1039/c8ob01399c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first organocatalytic asymmetric Mannich reaction employing 3,4-dihydro-2-quinolones has been developed for the synthesis of biologically important 3,3-disubstituted-dihydro-2-quinolones. N-Boc imine precursor amidosulfones as well as pre-formed N-Boc imine were used for this purpose. Cyclohexyldiamine derived bifunctional amino-thiourea catalysts were employed to provide the products in high enantio- and good diastereoselectivities.
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75
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Wang Z, Pan D, Li T, Jin Z. N-Heterocyclic Carbene (NHC)-Organocatalyzed Kinetic Resolutions, Dynamic Kinetic Resolutions, and Desymmetrizations. Chem Asian J 2018; 13:2149-2163. [PMID: 29900699 DOI: 10.1002/asia.201800493] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 05/22/2018] [Indexed: 11/09/2022]
Abstract
The last couple of decades have witnessed tremendous development within N-heterocyclic carbene (NHC) organocatalysis. NHCs have been used as powerful organic catalysts in asymmetric synthesis. Although great achievements have been made in asymmetric NHC catalysis, their applications in kinetic resolution (KR), dynamic kinetic resolution (DKR), and desymmetrization processes have been relatively less developed. Moreover, limited activation modes have been involved in these processes. This review provides an overview of the NHC-organocatalyzed KR, DKR, and desymmetrization reactions in the preparation of chiral functional molecules. The aim is to highlight both the importance and elegance of these methods in the construction of challenging chiral compounds and to provide our own perspective on future development in this direction.
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Affiliation(s)
- Zhongyao Wang
- 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
| | - Dingwu Pan
- 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
| | - Tingting Li
- 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
| | - Zhichao Jin
- 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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76
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Lang M, Wang J. N-Heterocyclic Carbene-Catalyzed Enantioselective β-Amination of α-Bromoenals Enabled by a Proton-Shuttling Strategy. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800648] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Ming Lang
- School of Pharmaceutical Sciences; Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education); Tsinghua University; 100084 Beijing China
| | - Jian Wang
- School of Pharmaceutical Sciences; Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education); Tsinghua University; 100084 Beijing China
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77
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Jin Q, Zhang J, Jiang C, Zhang D, Gao M, Hu S. Self [3 + 4] Cycloadditions of Isatin N,N′-Cyclic Azomethine Imine 1,3-Dipole with N-(o-Chloromethyl)aryl Amides. J Org Chem 2018; 83:8410-8416. [PMID: 29846070 DOI: 10.1021/acs.joc.8b01055] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Qiaomei Jin
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
| | - Cuihua Jiang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
| | - Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
| | - Meng Gao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
| | - Shihe Hu
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
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78
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Zhang ZF, Zhang CL, Song ZY, Gao ZH, Ye S. N-Heterocyclic Carbene-Catalyzed Annulation of α-Chloroaldehydes with γ-/δ-Amino-α,β-Unsaturated Ketones: Enantioselective Synthesis of Pyrrolidones and Piperidones. Chemistry 2018; 24:8302-8305. [PMID: 29624765 DOI: 10.1002/chem.201801539] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Indexed: 11/06/2022]
Abstract
The N-heterocyclic carbene-catalyzed [2+3] and [2+4] annulations of α-chloroaldehydes with γ-/δ-amino-α,β-unsaturated ketones were developed, giving the corresponding pyrrolidones and piperidones in good yields with exclusive trans-selectivities and excellent enantioselectivities.
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Affiliation(s)
- Zhao-Fei Zhang
- Beijing National Laboratory for Molecular Sciences, CAS 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
| | - Chun-Lin Zhang
- Beijing National Laboratory for Molecular Sciences, CAS 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
| | - Zhi-Yong Song
- Beijing National Laboratory for Molecular Sciences, CAS 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
| | - Zhong-Hua Gao
- Beijing National Laboratory for Molecular Sciences, CAS 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
| | - Song Ye
- Beijing National Laboratory for Molecular Sciences, CAS 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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79
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Guo Z, Jia H, Liu H, Wang Q, Huang J, Guo H. A [4 + 3] Annulation Reaction of aza-o-Quinone Methides with Arylcarbohydrazonoyl Chlorides for Synthesis of 2,3-Dihydro-1H-benzo[e][1,2,4]triazepines. Org Lett 2018; 20:2939-2943. [DOI: 10.1021/acs.orglett.8b00990] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Zhenyan Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Hao Jia
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Honglei Liu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Qijun Wang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Jiaxing Huang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Hongchao Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
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80
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Liao HH, Hsiao CC, Atodiresei I, Rueping M. Multiple Hydrogen-Bond Activation in Asymmetric Brønsted Acid Catalysis. Chemistry 2018; 24:7718-7723. [DOI: 10.1002/chem.201800677] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Hsuan-Hung Liao
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Chien-Chi Hsiao
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Iuliana Atodiresei
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Magnus Rueping
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
- King Abdullah University of Science and Technology (KAUST); KAUST Catalysis Center (KCC); Thuwal 23955-69 00 Saudi Arabia
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81
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Kretzschmar M, Hofmann F, Moock D, Schneider C. Intramolekulare Aza‐Diels‐Alder‐Reaktionen von
ortho
‐Chinon‐ methidiminen – ein schneller, katalytischer und enantioselektiver Aufbau benzanellierter Chinolizidine. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800787] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Martin Kretzschmar
- Institut für Organische Chemie Universität Leipzig Johannisallee 29 04103 Leipzig Deutschland
| | - Fabian Hofmann
- Institut für Organische Chemie Universität Leipzig Johannisallee 29 04103 Leipzig Deutschland
| | - Daniel Moock
- Institut für Organische Chemie Universität Leipzig Johannisallee 29 04103 Leipzig Deutschland
| | - Christoph Schneider
- Institut für Organische Chemie Universität Leipzig Johannisallee 29 04103 Leipzig Deutschland
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82
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Kretzschmar M, Hofmann F, Moock D, Schneider C. Intramolecular Aza‐Diels–Alder Reactions of
ortho
‐Quinone Methide Imines: Rapid, Catalytic, and Enantioselective Assembly of Benzannulated Quinolizidines. Angew Chem Int Ed Engl 2018; 57:4774-4778. [DOI: 10.1002/anie.201800787] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Martin Kretzschmar
- Institut für Organische Chemie Universität Leipzig Johannisallee 29 04103 Leipzig Germany
| | - Fabian Hofmann
- Institut für Organische Chemie Universität Leipzig Johannisallee 29 04103 Leipzig Germany
| | - Daniel Moock
- Institut für Organische Chemie Universität Leipzig Johannisallee 29 04103 Leipzig Germany
| | - Christoph Schneider
- Institut für Organische Chemie Universität Leipzig Johannisallee 29 04103 Leipzig Germany
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83
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Zhang Y, Huang J, Guo Y, Li L, Fu Z, Huang W. Access to Enantioenriched Organosilanes from Enals and β‐Silyl Enones: Carbene Organocatalysis. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800483] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yuxia Zhang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Jie Huang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Yingying Guo
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Lin Li
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Zhenqian Fu
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Wei Huang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
- Shaanxi Institute of Flexible Electronics (SIFE) Northwestern Polytechnical University (NPU) Xi'an 710072 China
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84
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Zhang Y, Huang J, Guo Y, Li L, Fu Z, Huang W. Access to Enantioenriched Organosilanes from Enals and β‐Silyl Enones: Carbene Organocatalysis. Angew Chem Int Ed Engl 2018; 57:4594-4598. [DOI: 10.1002/anie.201800483] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 02/14/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Yuxia Zhang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Jie Huang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Yingying Guo
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Lin Li
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Zhenqian Fu
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Wei Huang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
- Shaanxi Institute of Flexible Electronics (SIFE) Northwestern Polytechnical University (NPU) Xi'an 710072 China
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85
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Murauski KJR, Jaworski AA, Scheidt KA. A continuing challenge: N-heterocyclic carbene-catalyzed syntheses of γ-butyrolactones. Chem Soc Rev 2018; 47:1773-1782. [PMID: 29372207 DOI: 10.1039/c7cs00386b] [Citation(s) in RCA: 225] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Catalytic, stereoselective N-heterocyclic carbene-catalyzed reactions facilitate efficient construction of many different heterocyclic compounds, such as the enantioenriched 5-membered (γ) lactones highlighted in this tutorial review. Herein, various strategies to enable formal [3+2] type annulations between electrophilic carbonyl equivalents and homoenolate nucleophiles for the synthesis of γ-lactones are summarized.
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Affiliation(s)
- Kathleen J R Murauski
- Department of Chemistry, Department of Pharmacology, Center for Molecular Innovation and Drug Discovery, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA.
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86
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Hu Y, Li S, Wang Z, Yao Y, Li T, Yu C, Yao C. NHC-Catalyzed Hetero-Diels-Alder Reaction of Allenoate with Chalcone: Synthesis of Polysubstituted Pyranyl Carboxylate. J Org Chem 2018; 83:3361-3366. [PMID: 29430931 DOI: 10.1021/acs.joc.7b03173] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An NHC-catalyzed hetero-Diels-Alder and isomerization process of chalcones with allenoates was discovered, which furnished highly functionalized multisubstituted pyranyl carboxylates successfully. This method features a convergent assembly, mild reaction conditions, moderate to good yields, and high atom economy.
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Affiliation(s)
- Yong Hu
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials, School of Chemistry & Materials Science , Jiangsu Normal University , Xuzhou , Jiangsu 221116 , P. R. China
| | - Sha Li
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials, School of Chemistry & Materials Science , Jiangsu Normal University , Xuzhou , Jiangsu 221116 , P. R. China
| | - Zhanlin Wang
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials, School of Chemistry & Materials Science , Jiangsu Normal University , Xuzhou , Jiangsu 221116 , P. R. China
| | - Yibiao Yao
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials, School of Chemistry & Materials Science , Jiangsu Normal University , Xuzhou , Jiangsu 221116 , P. R. China
| | - Tuanjie Li
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials, School of Chemistry & Materials Science , Jiangsu Normal University , Xuzhou , Jiangsu 221116 , P. R. China
| | - Chenxia Yu
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials, School of Chemistry & Materials Science , Jiangsu Normal University , Xuzhou , Jiangsu 221116 , P. R. China
| | - Changsheng Yao
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials, School of Chemistry & Materials Science , Jiangsu Normal University , Xuzhou , Jiangsu 221116 , P. R. China
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87
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Hu Y, Pan D, Cong L, Yao Y, Yu C, Li T, Yao C. NHC-Catalyzed Efficient Syntheses of Isoquinolinones or Isochromanones through Formal [4+2] Cycloaddition of o
-Quinodimethanes with Acylhydrazones or Ketones. ChemistrySelect 2018. [DOI: 10.1002/slct.201702925] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Yong Hu
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials; School of Chemistry and Materials Science; Jiangsu Normal university, Xuzhou; Jiangsu 221116, P.R. China
| | - Di Pan
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials; School of Chemistry and Materials Science; Jiangsu Normal university, Xuzhou; Jiangsu 221116, P.R. China
| | - Lin Cong
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials; School of Chemistry and Materials Science; Jiangsu Normal university, Xuzhou; Jiangsu 221116, P.R. China
| | - Yibiao Yao
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials; School of Chemistry and Materials Science; Jiangsu Normal university, Xuzhou; Jiangsu 221116, P.R. China
| | - Chenxia Yu
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials; School of Chemistry and Materials Science; Jiangsu Normal university, Xuzhou; Jiangsu 221116, P.R. China
| | - Tuanjie Li
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials; School of Chemistry and Materials Science; Jiangsu Normal university, Xuzhou; Jiangsu 221116, P.R. China
| | - Changsheng Yao
- Jiangsu Key Lab of Green Synthetic Chemistry for Functional Materials; School of Chemistry and Materials Science; Jiangsu Normal university, Xuzhou; Jiangsu 221116, P.R. China
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88
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Jiang SP, Lu WQ, Liu Z, Wang GW. Synthesis of Fullerotetrahydroquinolines via [4 + 2] Cycloaddition Reaction of [60]Fullerene with in Situ Generated Aza-o-quinone Methides. J Org Chem 2018; 83:1959-1968. [DOI: 10.1021/acs.joc.7b02897] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Sheng-Peng Jiang
- CAS
Key Laboratory of Soft Matter Chemistry, iChEM (Collaborative
Innovation Center of Chemistry for Energy Materials), Hefei National
Laboratory for Physical Sciences at Microscale, and Department of
Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Wen-Qiang Lu
- CAS
Key Laboratory of Soft Matter Chemistry, iChEM (Collaborative
Innovation Center of Chemistry for Energy Materials), Hefei National
Laboratory for Physical Sciences at Microscale, and Department of
Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhan Liu
- CAS
Key Laboratory of Soft Matter Chemistry, iChEM (Collaborative
Innovation Center of Chemistry for Energy Materials), Hefei National
Laboratory for Physical Sciences at Microscale, and Department of
Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Guan-Wu Wang
- CAS
Key Laboratory of Soft Matter Chemistry, iChEM (Collaborative
Innovation Center of Chemistry for Energy Materials), Hefei National
Laboratory for Physical Sciences at Microscale, and Department of
Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, P. R. China
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89
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He XL, Zhao HR, Duan CQ, Du W, Chen YC. Remote Asymmetric Oxa-Diels–Alder Reaction of 5-Allylic Furfurals via Dearomatizative Tetraenamine Catalysis. Org Lett 2018; 20:804-807. [PMID: 29355329 DOI: 10.1021/acs.orglett.7b03942] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Xiao-Long He
- Department
of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Hui-Ru Zhao
- Department
of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | | | - Wei Du
- Department
of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Ying-Chun Chen
- Department
of Medicinal Chemistry, 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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90
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Li LZ, Wang CS, Guo WF, Mei GJ, Shi F. Catalytic Asymmetric [4+2] Cycloaddition of in Situ Generated o-Quinone Methide Imines with o-Hydroxystyrenes: Diastereo- and Enantioselective Construction of Tetrahydroquinoline Frameworks. J Org Chem 2018; 83:614-623. [DOI: 10.1021/acs.joc.7b02533] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Lin-Zhi Li
- School of Chemistry and Materials
Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Cong-Shuai Wang
- School of Chemistry and Materials
Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Wei-Feng Guo
- School of Chemistry and Materials
Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Guang-Jian Mei
- School of Chemistry and Materials
Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Feng Shi
- School of Chemistry and Materials
Science, Jiangsu Normal University, Xuzhou 221116, China
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91
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Xie Y, Wang J. N-Heterocyclic carbene-catalyzed annulation of ynals with amidines: access to 1,2,6-trisubstituted pyrimidin-4-ones. Chem Commun (Camb) 2018; 54:4597-4600. [DOI: 10.1039/c8cc02023j] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A thiazolium-catalyzed annulation of ynals and amidines has been reported to construct pyrimidin-4-ones.
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Affiliation(s)
- Yangxi Xie
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
| | - Jian Wang
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
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92
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Yang B, Gao S. Recent advances in the application of Diels–Alder reactions involving o-quinodimethanes, aza-o-quinone methides and o-quinone methides in natural product total synthesis. Chem Soc Rev 2018; 47:7926-7953. [DOI: 10.1039/c8cs00274f] [Citation(s) in RCA: 240] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review summarizes recent advances in Diels–Alder reactions involving o-QDMs, o-QMs and aza-o-QMs. The power and potential of this strategy in organic synthesis and natural product total synthesis is highlighted.
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Affiliation(s)
- Baochao Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Shuanhu Gao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
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93
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Zheng YS, Tu L, Gao LM, Huang R, Feng T, Sun H, Wang WX, Li ZH, Liu JK. Accessing benzooxadiazepinesviaformal [4 + 3] cycloadditions of aza-o-quinone methides with nitrones. Org Biomol Chem 2018; 16:2639-2642. [DOI: 10.1039/c8ob00201k] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Seven membered N-heterocycles were constructed through a formal [4 + 3] cycloaddition of nitrones within situgenerated aza-o-quinone methides.
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Affiliation(s)
- Yong-Sheng Zheng
- School of Pharmaceutical Sciences
- South-Central University of Nationalities
- Wuhan
- China
| | - Liang Tu
- School of Pharmaceutical Sciences
- South-Central University of Nationalities
- Wuhan
- China
| | - Li-Mei Gao
- School of Pharmaceutical Sciences
- South-Central University of Nationalities
- Wuhan
- China
- Analytical & Measuring Center
| | - Rong Huang
- School of Pharmaceutical Sciences
- South-Central University of Nationalities
- Wuhan
- China
| | - Tao Feng
- School of Pharmaceutical Sciences
- South-Central University of Nationalities
- Wuhan
- China
| | - Huan Sun
- School of Pharmaceutical Sciences
- South-Central University of Nationalities
- Wuhan
- China
| | - Wen-Xuan Wang
- School of Pharmaceutical Sciences
- South-Central University of Nationalities
- Wuhan
- China
| | - Zheng-Hui Li
- School of Pharmaceutical Sciences
- South-Central University of Nationalities
- Wuhan
- China
- Analytical & Measuring Center
| | - Ji-Kai Liu
- School of Pharmaceutical Sciences
- South-Central University of Nationalities
- Wuhan
- China
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94
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Jin JH, Wang H, Yang ZT, Yang WL, Tang W, Deng WP. Asymmetric Synthesis of 3,4-Dihydroquinolin-2-ones via a Stereoselective Palladium-Catalyzed Decarboxylative [4 + 2]- Cycloaddition. Org Lett 2017; 20:104-107. [DOI: 10.1021/acs.orglett.7b03467] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Jing-Hai Jin
- School
of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Hao Wang
- School
of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Zhong-Tao Yang
- School
of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Wu-Lin Yang
- School
of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Wenjun Tang
- School
of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
- State
Key Laboratory of Organometallic Chemistry, State Key Laboratory of
Bio-Organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Wei-Ping Deng
- School
of Pharmacy and Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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95
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Zhao M, Zhang YT, Chen J, Zhou L. Enantioselective Reactions Catalyzed by N-Heterocyclic Carbenes. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700538] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ming Zhao
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science; Northwest University; Xi'an 710127 P. R. China
| | - Yu-Tong Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science; Northwest University; Xi'an 710127 P. R. China
| | - Jie Chen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science; Northwest University; Xi'an 710127 P. R. China
| | - Ling Zhou
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science; Northwest University; Xi'an 710127 P. R. China
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96
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Yuan S, Luo Y, Peng J, Miao M, Xu J, Ren H. Oxidative Asymmetric [2 + 3] Annulation of Aldehydes with Azomethine Imines Enabled by N-Heterocyclic Carbene Catalysis. Org Lett 2017; 19:6100-6103. [DOI: 10.1021/acs.orglett.7b02948] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Shiru Yuan
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People’s Republic of China
| | - Yuchen Luo
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People’s Republic of China
| | - Jingyi Peng
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People’s Republic of China
| | - Maozhong Miao
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People’s Republic of China
| | - Jianfeng Xu
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People’s Republic of China
| | - Hongjun Ren
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People’s Republic of China
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97
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Chen X, Song R, Liu Y, Ooi CY, Jin Z, Zhu T, Wang H, Hao L, Chi YR. Carbene and Acid Cooperative Catalytic Reactions of Aldehydes and o-Hydroxybenzhydryl Amines for Highly Enantioselective Access to Dihydrocoumarins. Org Lett 2017; 19:5892-5895. [DOI: 10.1021/acs.orglett.7b02883] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xingkuan Chen
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Runjiang Song
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Yingguo Liu
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Chong Yih Ooi
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Zhichao Jin
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
- 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, People’s Republic of China
| | - Tingshun Zhu
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Hongling Wang
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
- 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, People’s Republic of China
| | - Lin Hao
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Yonggui Robin Chi
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
- 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, People’s Republic of China
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98
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Mukhopadhyay S, Nath U, Pan SC. Organocatalytic Asymmetric Synthesis of 3,3-Disubstituted 3,4-Dihydro-2-quinolones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700655] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Utpal Nath
- Department of Chemistry; Indian Institute of Technology Guwahati; Assam India 781039
| | - Subhas Chandra Pan
- Department of Chemistry; Indian Institute of Technology Guwahati; Assam India 781039
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99
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Jia H, Liu H, Guo Z, Huang J, Guo H. Tandem [3 + 2] Cycloaddition/1,4-Addition Reaction of Azomethine Ylides and Aza-o-quinone Methides for Asymmetric Synthesis of Imidazolidines. Org Lett 2017; 19:5236-5239. [DOI: 10.1021/acs.orglett.7b02512] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hao Jia
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Honglei Liu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Zhenyan Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Jiaxing Huang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Hongchao Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
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100
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Mondal S, Mukherjee S, Das TK, Gonnade RG, Biju AT. Enantioselective Synthesis of Functionalized β-Lactones by NHC-Catalyzed Aldol Lactonization of Ketoacids. J Org Chem 2017; 82:9223-9228. [PMID: 28774172 DOI: 10.1021/acs.joc.7b01526] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
N-Heterocyclic carbene (NHC)-catalyzed intramolecular aldol lactonization of readily available ketoacids leading to the enantioselective synthesis of cyclopentane-fused β-lactones is presented. The reaction proceeds via the generation of NHC-bound enolate intermediates formed from the ketoacids in the presence of the peptide coupling reagent HATU and NHC generated from the chiral triazolium salt. The functionalized β-lactones are formed under mild conditions in high yields and enantioselectivities.
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Affiliation(s)
- Santigopal Mondal
- Academy of Scientific and Innovative Research (AcSIR) , New Delhi 110020, India
| | - Subrata Mukherjee
- Academy of Scientific and Innovative Research (AcSIR) , New Delhi 110020, India
| | - Tamal Kanti Das
- Academy of Scientific and Innovative Research (AcSIR) , New Delhi 110020, India
| | | | - Akkattu T Biju
- Academy of Scientific and Innovative Research (AcSIR) , New Delhi 110020, India
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