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Das T, Mohapatra S, Mishra NP, Nayak S, Raiguru BP. Recent Advances in Organocatalytic Asymmetric Michael Addition Reactions to α, β‐Unsaturated Nitroolefins. ChemistrySelect 2021. [DOI: 10.1002/slct.202100679] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Tapaswini Das
- Organic Synthesis Laboratory, Department of Chemistry Ravenshaw University Cuttack 753003, Odisha India
| | - Seetaram Mohapatra
- Organic Synthesis Laboratory, Department of Chemistry Ravenshaw University Cuttack 753003, Odisha India
| | - Nilima P. Mishra
- Organic Synthesis Laboratory, Department of Chemistry Ravenshaw University Cuttack 753003, Odisha India
| | - Sabita Nayak
- Organic Synthesis Laboratory, Department of Chemistry Ravenshaw University Cuttack 753003, Odisha India
| | - Bishnu P. Raiguru
- Organic Synthesis Laboratory, Department of Chemistry Ravenshaw University Cuttack 753003, Odisha India
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Sietmann J, Ong M, Mück‐Lichtenfeld C, Daniliuc CG, Wahl JM. Desymmetrization of Prochiral Cyclobutanones via Nitrogen Insertion: A Concise Route to Chiral γ-Lactams. Angew Chem Int Ed Engl 2021; 60:9719-9723. [PMID: 33538070 PMCID: PMC8252468 DOI: 10.1002/anie.202100642] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Indexed: 01/08/2023]
Abstract
Asymmetric access to γ-lactams is achieved via a cyclobutanone ring expansion using widely available (1S,2R)-1-amino-2-indanol for chiral induction. Mechanistic analysis of the key N,O-ketal rearrangement reveals a Curtin-Hammett scenario, which enables a downstream stereoinduction (up to 88:12 dr) and is corroborated by spectroscopic, crystallographic, and computational studies. In combination with an easy deprotection protocol, this operationally simple sequence allows the synthesis of a range of optically pure γ-lactams, including those bearing all-carbon quaternary stereocenters. In addition, the formal synthesis of drug molecules baclofen, brivaracetam, and pregabalin further demonstrates the synthetic utility and highlights the general applicability of the presented method.
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Affiliation(s)
- Jan Sietmann
- Organisch-Chemisches InstitutWestfälische Wilhelms-UniversitätCorrensstrasse 3648149MünsterGermany
| | - Mike Ong
- Organisch-Chemisches InstitutWestfälische Wilhelms-UniversitätCorrensstrasse 3648149MünsterGermany
| | | | - Constantin G. Daniliuc
- Organisch-Chemisches InstitutWestfälische Wilhelms-UniversitätCorrensstrasse 3648149MünsterGermany
| | - Johannes M. Wahl
- Organisch-Chemisches InstitutWestfälische Wilhelms-UniversitätCorrensstrasse 3648149MünsterGermany
- Department ChemieJohannes Gutenberg-UniversitätDuesbergweg 10–1455128MainzGermany
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Sietmann J, Ong M, Mück‐Lichtenfeld C, Daniliuc CG, Wahl JM. Desymmetrisierung von prochiralen Cyclobutanonen via Stickstoffinsertion: Ein einfacher Zugang zu chiralen γ‐Lactamen. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100642] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Jan Sietmann
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraße 36 48149 Münster Deutschland
| | - Mike Ong
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraße 36 48149 Münster Deutschland
| | - Christian Mück‐Lichtenfeld
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraße 36 48149 Münster Deutschland
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraße 36 48149 Münster Deutschland
| | - Johannes M. Wahl
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraße 36 48149 Münster Deutschland
- Department Chemie Johannes Gutenberg-Universität Duesbergweg 10–14 55128 Mainz Deutschland
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Kitanosono T, Kobayashi S. Reactions in Water Involving the “On‐Water” Mechanism. Chemistry 2020; 26:9408-9429. [DOI: 10.1002/chem.201905482] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/08/2020] [Indexed: 11/07/2022]
Affiliation(s)
- Taku Kitanosono
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo Bunkyo-ku Tokyo 113-0033 Japan
| | - Shū Kobayashi
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo Bunkyo-ku Tokyo 113-0033 Japan
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Peng L, Li K, Xie C, Li S, Xu D, Qin W, Yan H. Organocatalytic Asymmetric Annulation of
ortho
‐Alkynylanilines: Synthesis of Axially Chiral Naphthyl‐C2‐indoles. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908961] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Lei Peng
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Kai Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Chuandong Xie
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Shan Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Da Xu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Wenling Qin
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Hailong Yan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
- Key Laboratory of Biorheological Science and TechnologyMinistry of EducationCollege of BioengineeringChongqing University Chongqing 400044 China
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7
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Peng L, Li K, Xie C, Li S, Xu D, Qin W, Yan H. Organocatalytic Asymmetric Annulation of
ortho
‐Alkynylanilines: Synthesis of Axially Chiral Naphthyl‐C2‐indoles. Angew Chem Int Ed Engl 2019; 58:17199-17204. [DOI: 10.1002/anie.201908961] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/27/2019] [Indexed: 12/23/2022]
Affiliation(s)
- Lei Peng
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Kai Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Chuandong Xie
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Shan Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Da Xu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Wenling Qin
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Hailong Yan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug ResearchChemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
- Key Laboratory of Biorheological Science and TechnologyMinistry of EducationCollege of BioengineeringChongqing University Chongqing 400044 China
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Jia S, Li S, Liu Y, Qin W, Yan H. Enantioselective Control of Both Helical and Axial Stereogenic Elements though an Organocatalytic Approach. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909214] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Shiqi Jia
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Shan Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Yidong Liu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Wenling Qin
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
| | - Hailong Yan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research CenterSchool of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
- Key Laboratory of Biorheological Science and TechnologyMinistry of Education, College of BioengineeringChongqing University Chongqing 400044 P. R. China
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Jia S, Li S, Liu Y, Qin W, Yan H. Enantioselective Control of Both Helical and Axial Stereogenic Elements though an Organocatalytic Approach. Angew Chem Int Ed Engl 2019; 58:18496-18501. [PMID: 31608559 DOI: 10.1002/anie.201909214] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 09/08/2019] [Indexed: 12/22/2022]
Abstract
A highly diastereo- and enantio-selective method for the asymmetric synthesis of molecules containing helicenes and stereogenic axes was developed based on organocatalysis. Various compounds bearing both helical and axial stereogenic elements were obtained in excellent enantioselectivities. The mechanism study revealed that the reaction proceeded through two stages: 1) The first cyclization produces a reaction intermediate containing a stereogenic axis. 2) The dynamic kinetic resolution of helix reaction intermediate following with cyclization generates a helix and another stereogenic axis.
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Affiliation(s)
- Shiqi Jia
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, P. R. China
| | - Shan Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, P. R. China
| | - Yidong Liu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, P. R. China
| | - Wenling Qin
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, P. R. China
| | - Hailong Yan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, P. R. China.,Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, P. R. China
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Zheng D, Studer A. Asymmetric Synthesis of Heterocyclic γ-Amino-Acid and Diamine Derivatives by Three-Component Radical Cascade Reactions. Angew Chem Int Ed Engl 2019; 58:15803-15807. [PMID: 31489747 DOI: 10.1002/anie.201908987] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Indexed: 01/01/2023]
Abstract
An enantioselective three-component radical reaction of quinolines or pyridines with enamides and α-bromo carbonyl compounds by dual photoredox and chiral Brønsted acid catalysis is presented. A range of valuable chiral γ-amino-acid derivatives are accessible in high chemo-, regio-, and enantioselectivity from simple, readily available starting materials under mild reaction conditions. Using the same strategy, the asymmetric synthesis of 1,2-diamine derivatives is also reported.
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Affiliation(s)
- Danqing Zheng
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstrasse 40, 48149, Münster, Germany
| | - Armido Studer
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstrasse 40, 48149, Münster, Germany
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Zheng D, Studer A. Asymmetric Synthesis of Heterocyclic γ‐Amino‐Acid and Diamine Derivatives by Three‐Component Radical Cascade Reactions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908987] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Danqing Zheng
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstrasse 40 48149 Münster Germany
| | - Armido Studer
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstrasse 40 48149 Münster Germany
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12
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Han JL, Liao YT, Chang CH. Asymmetric Organocatalytic Conjugate Addition of Electron-Rich Phenols and 1,3-Dicarbonyls to Arylsulfonyl Indoles in an Oil-Water Biphasic System. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900962] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jeng-Liang Han
- Department of Chemistry; National Chung Hsing University; 145 Xingda Rd., South Dist., Taichung City 402 Taiwan R.O.C
| | - Yu-Ting Liao
- Department of Chemistry; Chung Yuan Christian University; Taiwan R.O.C
| | - Chia-Hao Chang
- Department of Chemistry; Chung Yuan Christian University; Taiwan R.O.C
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13
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Cheng Y, Ou X, Ma J, Sun L, Ma ZH. A New Amphiphilic Brønsted Acid as Catalyst for the Friedel-Crafts Reactions of Indoles in Water. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801612] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Yuan Cheng
- Department of Chemistry; College of Sciences; Huazhong Agricultural University; No.1, Shizishan Street 430070 Wuhan Hongshan District China
| | - Xiongyu Ou
- Department of Chemistry; College of Sciences; Huazhong Agricultural University; No.1, Shizishan Street 430070 Wuhan Hongshan District China
| | - Jimei Ma
- Department of Chemistry; College of Sciences; Huazhong Agricultural University; No.1, Shizishan Street 430070 Wuhan Hongshan District China
| | - Linhao Sun
- Department of Chemistry; College of Sciences; Huazhong Agricultural University; No.1, Shizishan Street 430070 Wuhan Hongshan District China
| | - Zhong-Hua Ma
- Department of Chemistry; College of Sciences; Huazhong Agricultural University; No.1, Shizishan Street 430070 Wuhan Hongshan District China
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Ma J, Lin J, Zhao L, Harms K, Marsch M, Xie X, Meggers E. Synthesis of β-Substituted γ-Aminobutyric Acid Derivatives through Enantioselective Photoredox Catalysis. Angew Chem Int Ed Engl 2018; 57:11193-11197. [DOI: 10.1002/anie.201804040] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Jiajia Ma
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Jiahui Lin
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Lifang Zhao
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Klaus Harms
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Michael Marsch
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Xiulan Xie
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Eric Meggers
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
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Ma J, Lin J, Zhao L, Harms K, Marsch M, Xie X, Meggers E. Synthesis of β-Substituted γ-Aminobutyric Acid Derivatives through Enantioselective Photoredox Catalysis. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804040] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jiajia Ma
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Jiahui Lin
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Lifang Zhao
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Klaus Harms
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Michael Marsch
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Xiulan Xie
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Eric Meggers
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35043 Marburg Germany
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Zhao L, Bao X, Hu Q, Wang B, Lu AH. Porous Carbon Nanosheet-Supported Chiral Squaramide for Highly Enantioselective Friedel-Crafts Reaction. ChemCatChem 2018. [DOI: 10.1002/cctc.201701897] [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)
- Liyuan Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering; 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
| | - Qingtao Hu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering; 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
| | - An-Hui Lu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering; Dalian University of Technology; Dalian 116024 P.R. China
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Chen XY, Xiong JW, Liu Q, Li S, Sheng H, von Essen C, Rissanen K, Enders D. Control of N-Heterocyclic Carbene Catalyzed Reactions of Enals: Asymmetric Synthesis of Oxindole-γ-Amino Acid Derivatives. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708994] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Xiang-Yu Chen
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Jia-Wen Xiong
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Qiang Liu
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Sun Li
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - He Sheng
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Carolina von Essen
- Department of Chemistry, Nanoscience Center; University of Jyvaskyla; 40014 JYU Finland
| | - Kari Rissanen
- Department of Chemistry, Nanoscience Center; University of Jyvaskyla; 40014 JYU Finland
| | - Dieter Enders
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
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18
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Chen XY, Xiong JW, Liu Q, Li S, Sheng H, von Essen C, Rissanen K, Enders D. Control of N-Heterocyclic Carbene Catalyzed Reactions of Enals: Asymmetric Synthesis of Oxindole-γ-Amino Acid Derivatives. Angew Chem Int Ed Engl 2017; 57:300-304. [DOI: 10.1002/anie.201708994] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Xiang-Yu Chen
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Jia-Wen Xiong
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Qiang Liu
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Sun Li
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - He Sheng
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Carolina von Essen
- Department of Chemistry, Nanoscience Center; University of Jyvaskyla; 40014 JYU Finland
| | - Kari Rissanen
- Department of Chemistry, Nanoscience Center; University of Jyvaskyla; 40014 JYU Finland
| | - Dieter Enders
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
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19
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Gómez JE, Guo W, Gaspa S, Kleij AW. Copper-Catalyzed Synthesis of γ-Amino Acids Featuring Quaternary Stereocenters. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709511] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- José Enrique Gómez
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Wusheng Guo
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Silvia Gaspa
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Arjan W. Kleij
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
- Catalan Institute of Research and Advanced Studies (ICREA); Pg. Lluís Companys 23 08010 Barcelona Spain
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20
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Gómez JE, Guo W, Gaspa S, Kleij AW. Copper-Catalyzed Synthesis of γ-Amino Acids Featuring Quaternary Stereocenters. Angew Chem Int Ed Engl 2017; 56:15035-15038. [DOI: 10.1002/anie.201709511] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Indexed: 01/13/2023]
Affiliation(s)
- José Enrique Gómez
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Wusheng Guo
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Silvia Gaspa
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Arjan W. Kleij
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
- Catalan Institute of Research and Advanced Studies (ICREA); Pg. Lluís Companys 23 08010 Barcelona Spain
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21
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Wu X, Xue L, Li D, Jia S, Ao J, Deng J, Yan H. Organocatalytic Intramolecular [4+2] Cycloaddition between In Situ Generated Vinylidene ortho
-Quinone Methides and Benzofurans. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707523] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiaoyan Wu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Lu Xue
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Dongmei Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Shiqi Jia
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Jun Ao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Jun Deng
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Hailong Yan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
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22
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Wu X, Xue L, Li D, Jia S, Ao J, Deng J, Yan H. Organocatalytic Intramolecular [4+2] Cycloaddition between In Situ Generated Vinylidene ortho
-Quinone Methides and Benzofurans. Angew Chem Int Ed Engl 2017; 56:13722-13726. [DOI: 10.1002/anie.201707523] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/27/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Xiaoyan Wu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Lu Xue
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Dongmei Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Shiqi Jia
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Jun Ao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Jun Deng
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
| | - Hailong Yan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research; School of Pharmaceutical Sciences; Chongqing University; Chongqing 401331 P. R. China
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23
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Some S, Kim HYBMJ, Zhang YJ, Song CE. Ultrasound-Promoted Enantioselective Decarboxylative Protonation of α-Aminomalonate Hemiesters by Chiral Squaramides: A Practical Approach to Both Enantiomers of α-Amino Esters. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700786] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Surajit Some
- Department of Chemistry; Sungkyunkwan University; 2066 Suwon Korea
| | | | - Yong Jian Zhang
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 200240 Shanghai P. R. of China
| | - Choong Eui Song
- Department of Chemistry; Sungkyunkwan University; 2066 Suwon Korea
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