1
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Sanz-Marco A, Esperilla D, Montesinos-Magraner M, Vila C, Muñoz MC, Pedro JR, Blay G. A Cu-BOX catalysed enantioselective Mukaiyama-aldol reaction with difluorinated silyl enol ethers and acylpyridine N-oxides. Org Biomol Chem 2023; 21:345-350. [PMID: 36484719 DOI: 10.1039/d2ob01763f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A Cu(II)/BOX complex catalyses the enantioselective addition of difluorinated silyl enol ethers to acylpyridine N-oxides. The reaction provides difluorinated chiral tertiary alcohols of great interest in medicinal chemistry. These compounds are obtained in moderate to excellent yields and with high enantioselectivities. The stereochemical outcome of the reaction has been explained by DFT calculations.
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Affiliation(s)
- Amparo Sanz-Marco
- Departament de Química Orgànica-Facultat de Química, Universitat de València, C/Dr. Moliner 50, 46100-Burjassot, València, Spain.
| | - Daniel Esperilla
- Departament de Química Orgànica-Facultat de Química, Universitat de València, C/Dr. Moliner 50, 46100-Burjassot, València, Spain.
| | - Marc Montesinos-Magraner
- Departament de Química Orgànica-Facultat de Química, Universitat de València, C/Dr. Moliner 50, 46100-Burjassot, València, Spain.
| | - Carlos Vila
- Departament de Química Orgànica-Facultat de Química, Universitat de València, C/Dr. Moliner 50, 46100-Burjassot, València, Spain.
| | - M Carmen Muñoz
- Departament de Física Aplicada, Universitat Politècnica de València, C/Cami de Vera s/n, 46022-València, Spain
| | - José R Pedro
- Departament de Química Orgànica-Facultat de Química, Universitat de València, C/Dr. Moliner 50, 46100-Burjassot, València, Spain.
| | - Gonzalo Blay
- Departament de Química Orgànica-Facultat de Química, Universitat de València, C/Dr. Moliner 50, 46100-Burjassot, València, Spain.
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2
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Small Molecules as Toll-like Receptor 4 Modulators Drug and In-House Computational Repurposing. Biomedicines 2022; 10:biomedicines10092326. [PMID: 36140427 PMCID: PMC9496124 DOI: 10.3390/biomedicines10092326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 12/05/2022] Open
Abstract
The innate immunity toll-like receptor 4 (TLR4) system is a receptor of paramount importance as a therapeutic target. Virtual screening following a “computer-aided drug repurposing” approach was applied to the discovery of novel TLR4 modulators with a non-lipopolysaccharide-like structure. We screened almost 29,000 approved drugs and drug-like molecules from commercial, public, and in-house academia chemical libraries and, after biological assays, identified several compounds with TLR4 antagonist activity. Our computational protocol showed to be a robust approach for the identification of hits with drug-like scaffolds as possible inhibitors of the TLR4 innate immune pathways. Our collaborative work broadens the chemical diversity for inspiration of new classes of TLR4 modulators.
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3
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Connon R, Roche B, Rokade BV, Guiry PJ. Further Developments and Applications of Oxazoline-Containing Ligands in Asymmetric Catalysis. Chem Rev 2021; 121:6373-6521. [PMID: 34019404 PMCID: PMC8277118 DOI: 10.1021/acs.chemrev.0c00844] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Indexed: 12/27/2022]
Abstract
The chiral oxazoline motif is present in many ligands that have been extensively applied in a series of important metal-catalyzed enantioselective reactions. This Review aims to provide a comprehensive overview of the most significant applications of oxazoline-containing ligands reported in the literature starting from 2009 until the end of 2018. The ligands are classified not by the reaction to which their metal complexes have been applied but by the nature of the denticity, chirality, and donor atoms involved. As a result, the continued development of ligand architectural design from mono(oxazolines), to bis(oxazolines), to tris(oxazolines) and tetra(oxazolines) and variations thereof can be more easily monitored by the reader. In addition, the key transition states of selected asymmetric transformations will be given to illustrate the features that give rise to high levels of asymmetric induction. As a further aid to the reader, we summarize the majority of schemes with representative examples that highlight the variation in % yields and % ees for carefully selected substrates. This Review should be of particular interest to the experts in the field but also serve as a useful starting point to new researchers in this area. It is hoped that this Review will stimulate both the development/design of new ligands and their applications in novel metal-catalyzed asymmetric transformations.
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Affiliation(s)
- Robert Connon
- Synthesis
and Solid State Pharmaceutical Centre, Centre for Synthesis and Chemical
Biology, School of Chemistry, University
College Dublin, Dublin
4, Ireland
| | - Brendan Roche
- Synthesis
and Solid State Pharmaceutical Centre, Centre for Synthesis and Chemical
Biology, School of Chemistry, University
College Dublin, Dublin
4, Ireland
| | - Balaji V. Rokade
- BiOrbic
Research Centre, Centre for Synthesis and Chemical Biology, School
of Chemistry, University College Dublin, Dublin 4, Ireland
| | - Patrick J. Guiry
- Synthesis
and Solid State Pharmaceutical Centre, Centre for Synthesis and Chemical
Biology, School of Chemistry, University
College Dublin, Dublin
4, Ireland
- BiOrbic
Research Centre, Centre for Synthesis and Chemical Biology, School
of Chemistry, University College Dublin, Dublin 4, Ireland
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4
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Luan Y, Huang A, Cheng Y, Liu X, Li P, Li W. Organocatalytic Enantioselective Michael Addition of Oxazolones to 2‐Enoylpyridine
N
‐Oxides for Assembling of Pyridine
N
‐Oxides Featuring Vicinal Oxygen‐Containing Tetrasubstituted Stereocenters. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900684] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yipeng Luan
- Department of Medicinal Chemistry, School of PharmacyQingdao University, Qingdao Shandong 266021 People's Republic of China
| | - Anqi Huang
- Department of Medicinal Chemistry, School of PharmacyQingdao University, Qingdao Shandong 266021 People's Republic of China
| | - Yuyu Cheng
- Department of Chemistry and Shenzhen Key Laboratory of Marine Archaea Geo-OmicsSouthern University of Science and Technology, Shenzhen Guangdong 518055 People's Republic of China
| | - Xiaohong Liu
- Department of Medicinal Chemistry, School of PharmacyQingdao University, Qingdao Shandong 266021 People's Republic of China
| | - Pengfei Li
- Department of Chemistry and Shenzhen Key Laboratory of Marine Archaea Geo-OmicsSouthern University of Science and Technology, Shenzhen Guangdong 518055 People's Republic of China
| | - Wenjun Li
- Department of Medicinal Chemistry, School of PharmacyQingdao University, Qingdao Shandong 266021 People's Republic of China
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5
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Sun J, Li Y, Gui Y, Xu Y, Zha Z, Wang Z. Copper(II)-catalyzed enantioselective conjugate addition of nitro esters to 2-enoyl-pyridine N-oxides. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2018.11.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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6
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Zhang P, Guo X, Liu C, Li W, Li P. Enantioselective Construction of Pyridine N-Oxides Featuring 2,3-Dihydrofuran Motifs via Phosphine-Catalyzed [4 + 1]-Annulation of 2-Enoylpyridine N-Oxides with Morita–Baylis–Hillman Carbonates. Org Lett 2018; 21:152-155. [DOI: 10.1021/acs.orglett.8b03612] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pengfei Zhang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, P. R. China
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 518055, P. R. China
| | - Xing Guo
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 518055, P. R. China
| | - Chang Liu
- Department of Chemistry and Shenzhen Grubbs Institute, 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
| | - Pengfei Li
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 518055, P. R. China
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7
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Kou YD, Zhao ZN, Yang X, Kalita SJ, Chen XJ, Xie ZZ, Zhao Y, Huang YY. Stereospecific Synthesis of Fluorinated Pyrazolidinones and Isoxazolidines via a Catalyst-Free 1,3-Dipolar Cycloaddition of β-Fluoroalkylated α,β-Unsaturated 2-Pyridylsulfones. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800435] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ying-Da Kou
- Department of Chemistry; School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 122 Luoshi Road, Wuhan 430070 Hubei China
| | - Zhen-Ni Zhao
- Department of Chemistry; School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 122 Luoshi Road, Wuhan 430070 Hubei China
| | - Xing Yang
- Department of Chemistry; School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 122 Luoshi Road, Wuhan 430070 Hubei China
| | - Subarna Jyoti Kalita
- Department of Chemistry; School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 122 Luoshi Road, Wuhan 430070 Hubei China
| | - Xue-Jian Chen
- Department of Chemistry; School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 122 Luoshi Road, Wuhan 430070 Hubei China
| | - Zhi-Zhong Xie
- Department of Chemistry; School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 122 Luoshi Road, Wuhan 430070 Hubei China
| | - Yan Zhao
- State Key Laboratory of Silicate Materials for Architectures; International School of Materials Science and Engineering; Wuhan University of Technology; 122 Luoshi Road, Wuhan 430070 Hubei China
| | - Yi-Yong Huang
- Department of Chemistry; School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 122 Luoshi Road, Wuhan 430070 Hubei China
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8
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Xu Y, Zhang S, Li L, Wang Y, Zha Z, Wang Z. l-Phenylalanine potassium catalyzed asymmetric formal [3 + 3] annulation of 2-enoyl-pyridine N-oxides with acetone. Org Chem Front 2018. [DOI: 10.1039/c7qo00796e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly enantioselective formal [3 + 3] annulation of 2-enoyl-pyridine N-oxides with acetone was developed.
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Affiliation(s)
- Youguo Xu
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology
- Department of Chemistry
- University of Science and Technology of China Hefei
- Anhui 230026
| | - Sheng Zhang
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology
- Department of Chemistry
- University of Science and Technology of China Hefei
- Anhui 230026
| | - Lijun Li
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology
- Department of Chemistry
- University of Science and Technology of China Hefei
- Anhui 230026
| | - Yukang Wang
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology
- Department of Chemistry
- University of Science and Technology of China Hefei
- Anhui 230026
| | - Zhenggen Zha
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology
- Department of Chemistry
- University of Science and Technology of China Hefei
- Anhui 230026
| | - Zhiyong Wang
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology
- Department of Chemistry
- University of Science and Technology of China Hefei
- Anhui 230026
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9
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Kianmehr E, Gholamhosseyni M. Palladium-Catalysed Chemo- and Regioselective C-H Bond Acylation of Pyridine N
-Oxides with Benzyl Halides and Alcohols. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700531] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Ebrahim Kianmehr
- School of Chemistry; College of Science; University of Tehran; Tehran Iran
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10
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Zhang M, Kumagai N, Shibasaki M. α,β‐Unsaturated Amides as Dipolarophiles: Catalytic Asymmetric
exo
‐Selective 1,3‐Dipolar Cycloaddition with Nitrones. Chemistry 2017; 23:12450-12455. [DOI: 10.1002/chem.201702330] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Ming Zhang
- Institute of Microbial Chemistry (BIKAKEN), Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN), Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN), Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
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11
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Abstract
γ-Butenolides, γ-butyrolactones, and derivatives, especially in enantiomerically pure form, constitute the structural core of numerous natural products which display an impressive range of biological activities which are important for the development of novel physiological and therapeutic agents. Furthermore, optically active γ-butenolides and γ-butyrolactones serve also as a prominent class of chiral building blocks for the synthesis of diverse biological active compounds and complex molecules. Taking into account the varying biological activity profiles and wide-ranging structural diversity of the optically active γ-butenolide or γ-butyrolactone structure, the development of asymmetric synthetic strategies for assembling such challenging scaffolds has attracted major attention from synthetic chemists in the past decade. This review offers an overview of the different enantioselective synthesis of γ-butenolides and γ-butyrolactones which employ catalytic amounts of metal complexes or organocatalysts, with emphasis focused on the mechanistic issues that account for the observed stereocontrol of the representative reactions, as well as practical applications and synthetic potentials.
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Affiliation(s)
- Bin Mao
- Stratingh Institute for Chemistry, University of Groningen , Nijenborg 4, 9747 AG Groningen, The Netherlands.,National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology , Hangzhou 310014, P. R. China
| | - Martín Fañanás-Mastral
- Stratingh Institute for Chemistry, University of Groningen , Nijenborg 4, 9747 AG Groningen, The Netherlands.,Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela , Jenaro de la Fuente s/n, 15782 Santiago de Compostela, Spain
| | - Ben L Feringa
- Stratingh Institute for Chemistry, University of Groningen , Nijenborg 4, 9747 AG Groningen, The Netherlands
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12
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Xie L, Bai H, Li J, Yu X, Zhang Z, Fu B. Cu(II)-catalyzed enantioselective 1,3-dipolar cycloaddition of nitrones with α, β-unsaturated acyl phosphonates. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.03.086] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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13
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Xie L, Yu X, Li J, Zhang Z, Qin Z, Fu B. Nickel(II)-Catalyzed Enantioselective 1,3-Dipolar Cycloaddition of Nitrones with α,β-Unsaturated Acylcarboxylates. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601540] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lei Xie
- Department of Applied Chemistry; China Agricultural University; Yuanmingyuan xilu 100193 Beijing China
| | - Xuan Yu
- Department of Applied Chemistry; China Agricultural University; Yuanmingyuan xilu 100193 Beijing China
| | - Jiaqi Li
- Department of Applied Chemistry; China Agricultural University; Yuanmingyuan xilu 100193 Beijing China
| | - Zhenhua Zhang
- Department of Applied Chemistry; China Agricultural University; Yuanmingyuan xilu 100193 Beijing China
| | - Zhaohai Qin
- Department of Applied Chemistry; China Agricultural University; Yuanmingyuan xilu 100193 Beijing China
| | - Bin Fu
- Department of Applied Chemistry; China Agricultural University; Yuanmingyuan xilu 100193 Beijing China
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14
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Yang X, Cheng F, Kou YD, Pang S, Shen YC, Huang YY, Shibata N. Catalytic Asymmetric 1,3-Dipolar Cycloaddition of β-Fluoroalkylated α,β-Unsaturated 2-Pyridylsulfones with Nitrones for Chiral Fluoroalkylated Isoxazolidines and γ-Amino Alcohols. Angew Chem Int Ed Engl 2017; 56:1510-1514. [PMID: 28067017 DOI: 10.1002/anie.201610605] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Revised: 12/12/2016] [Indexed: 11/06/2022]
Abstract
2-Pyridylsulfone- and fluoroalkylated group-activated olefins underwent highly efficient diastereo- and enantioselective 1,3-dipolar cycloadditions across various aromatic and aliphatic nitrones in the presence of a chiral NiII /bis(oxazoline) catalyst. The process was tuned by 4 Å molecular sieves, chiral bis(oxazoline) ligands, reaction solvents, and temperature. A wide array of optically pure fluoroalkylated isoxazolidines were obtained, thus facilitating the asymmetric synthesis of an enantioenriched α-trifluoromethylated γ-amino alcohol in gram-scale and a trifluoromethylated derivative of 1,3-oxazinan-2-one with potential pharmaceutical interest. A stereochemical model, based on the absolute configuration of one adduct and some control experiments, was postulated to account for the observed endo- and enantioselectivity.
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Affiliation(s)
- Xing Yang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan, 430070, P.R. China
| | - Feng Cheng
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan, 430070, P.R. China
| | - Ying-Da Kou
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan, 430070, P.R. China
| | - Shuai Pang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan, 430070, P.R. China
| | - Yong-Cun Shen
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan, 430070, P.R. China
| | - Yi-Yong Huang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan, 430070, P.R. China
| | - Norio Shibata
- Department of Nanopharmaceutical Sciences, Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555, Japan
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15
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Yang X, Cheng F, Kou YD, Pang S, Shen YC, Huang YY, Shibata N. Catalytic Asymmetric 1,3-Dipolar Cycloaddition of β-Fluoroalkylated α,β-Unsaturated 2-Pyridylsulfones with Nitrones for Chiral Fluoroalkylated Isoxazolidines and γ-Amino Alcohols. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201610605] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Xing Yang
- Department of Chemistry; School of Chemistry, Chemical Engineering and Life Science; Wuhan University of Technology; Wuhan 430070 P.R. China
| | - Feng Cheng
- Department of Chemistry; School of Chemistry, Chemical Engineering and Life Science; Wuhan University of Technology; Wuhan 430070 P.R. China
| | - Ying-Da Kou
- Department of Chemistry; School of Chemistry, Chemical Engineering and Life Science; Wuhan University of Technology; Wuhan 430070 P.R. China
| | - Shuai Pang
- Department of Chemistry; School of Chemistry, Chemical Engineering and Life Science; Wuhan University of Technology; Wuhan 430070 P.R. China
| | - Yong-Cun Shen
- Department of Chemistry; School of Chemistry, Chemical Engineering and Life Science; Wuhan University of Technology; Wuhan 430070 P.R. China
| | - Yi-Yong Huang
- Department of Chemistry; School of Chemistry, Chemical Engineering and Life Science; Wuhan University of Technology; Wuhan 430070 P.R. China
| | - Norio Shibata
- Department of Nanopharmaceutical Sciences; Department of Life Science and Applied Chemistry; Nagoya Institute of Technology; Gokiso, Showa-ku Nagoya 466-8555 Japan
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16
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Zhang D, Yin C, Zhou Y, Xu Y, Lin L, Liu X, Feng X. Chiral N,N′-dioxide/Co(ii)-promoted asymmetric 1,3-dipolar cycloaddition of nitrones with methyleneindolinones. Chem Commun (Camb) 2017; 53:7925-7928. [DOI: 10.1039/c7cc03575f] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A chiral N,N′-dioxide/Co(ii) complex has been developed to efficiently catalyze the asymmetric 1,3-dipolar cycloaddition of nitrones with methyleneindolinones. The corresponding spiroisoxazolidines were obtained in high yields with excellent dr and ee values.
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Affiliation(s)
- Dong Zhang
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Chengkai Yin
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Yuhang Zhou
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Yali Xu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
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17
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Berthet M, Cheviet T, Dujardin G, Parrot I, Martinez J. Isoxazolidine: A Privileged Scaffold for Organic and Medicinal Chemistry. Chem Rev 2016; 116:15235-15283. [PMID: 27981833 DOI: 10.1021/acs.chemrev.6b00543] [Citation(s) in RCA: 171] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The isoxazolidine ring represents one of the privileged structures in medicinal chemistry, and there have been an increasing number of studies on isoxazolidine and isoxazolidine-containing compounds. Optimization of the 1,3-dipolar cycloaddition (1,3-DC), original methods including electrophilic or palladium-mediated cyclization of unsaturated hydroxylamine, has been developed to obtain isoxazolidines. Novel reactions involving the isoxazolidine ring have been highlighted to accomplish total synthesis or to obtain bioactive compounds, one of the most significant examples being probably the thermic ring contraction applied to the total synthesis of (±)-Gelsemoxonine. The unique isoxazolidine scaffold also exhibits an impressive potential as a mimic of nucleosides, carbohydrates, PNA, amino acids, and steroid analogs. This review aims to be a comprehensive and general summary of the different isoxazolidine syntheses, their use as starting building blocks for the preparation of natural compounds, and their main biological activities.
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Affiliation(s)
- Mathéo Berthet
- Institut des Biomolécules Max Mousseron , IBMM UMR-5247 CNRS, Université de Montpellier, ENSCM, CC17-03, Pl. E. Bataillon, 34095 Montpellier Cedex 5, France
| | - Thomas Cheviet
- Institut des Biomolécules Max Mousseron , IBMM UMR-5247 CNRS, Université de Montpellier, ENSCM, CC17-03, Pl. E. Bataillon, 34095 Montpellier Cedex 5, France
| | - Gilles Dujardin
- Institut des Molécules et Matériaux du Mans , IMMM UMR 6283 CNRS, Université du Maine, UFR Sciences et Techniques, Avenue Olivier Messiaen, 72085 Le Mans, France
| | - Isabelle Parrot
- Institut des Biomolécules Max Mousseron , IBMM UMR-5247 CNRS, Université de Montpellier, ENSCM, CC17-03, Pl. E. Bataillon, 34095 Montpellier Cedex 5, France
| | - Jean Martinez
- Institut des Biomolécules Max Mousseron , IBMM UMR-5247 CNRS, Université de Montpellier, ENSCM, CC17-03, Pl. E. Bataillon, 34095 Montpellier Cedex 5, France
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18
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Jay-Smith M, Murphy EC, Shapiro L, Eason CT, Brimble MA, Rennison D. Stereoselective synthesis of the rat selective toxicant norbormide. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.07.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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19
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Kaur J, Chauhan P, Chimni SS. α,α-Dicyanoolefins: versatile substrates in organocatalytic asymmetric transformations. Org Biomol Chem 2016; 14:7832-47. [DOI: 10.1039/c6ob01229a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
α,α-Dicyanoolefins have emerged as versatile reactants, finding use as vinylogous nucleophiles, Michael acceptors and dienophiles in a variety of organic reactions.
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Affiliation(s)
- Jasneet Kaur
- Department of Chemistry
- U.G.C. Centre of Advance Studies in Chemistry
- Guru Nanak Dev University
- Amritsar
- India
| | - Pankaj Chauhan
- Department of Chemistry
- U.G.C. Centre of Advance Studies in Chemistry
- Guru Nanak Dev University
- Amritsar
- India
| | - Swapandeep Singh Chimni
- Department of Chemistry
- U.G.C. Centre of Advance Studies in Chemistry
- Guru Nanak Dev University
- Amritsar
- India
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20
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Lopez SE, Mitani A, Pena P, Ghiviriga I, Dolbier WR. Use of 1-pentafluorosulfanyl-phenylacetylenes for the preparation of SF5-substituted five-membered ring heterocycles through 1,3-dipolar cycloadditions. Isoxazoles and isoxazolines. J Fluor Chem 2015. [DOI: 10.1016/j.jfluchem.2015.06.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Li L, Zhang S, Hu Y, Li Y, Li C, Zha Z, Wang Z. Highly Diastereo- and Enantioselective Michael Addition of Nitroalkanes to 2-Enoyl-PyridineN-Oxides Catalyzed by Scandium(III)/Copper(II) Complexes. Chemistry 2015. [DOI: 10.1002/chem.201502129] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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22
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Shen X, Huo H, Wang C, Zhang B, Harms K, Meggers E. Octahedral Chiral-at-Metal Iridium Catalysts: Versatile Chiral Lewis Acids for Asymmetric Conjugate Additions. Chemistry 2015; 21:9720-6. [PMID: 26033287 DOI: 10.1002/chem.201500922] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2015] [Indexed: 01/10/2023]
Abstract
Octahedral iridium(III) complexes containing two bidentate cyclometalating 5-tert-butyl-2-phenylbenzoxazole (IrO) or 5-tert-butyl-2-phenylbenzothiazole (IrS) ligands in addition to two labile acetonitrile ligands are demonstrated to constitute a highly versatile class of asymmetric Lewis acid catalysts. These complexes feature the metal center as the exclusive source of chirality and serve as effective asymmetric catalysts (0.5-5.0 mol % catalyst loading) for a variety of reactions with α,β-unsaturated carbonyl compounds, namely Friedel-Crafts alkylations (94-99% ee), Michael additions with CH-acidic compounds (81-97% ee), and a variety of cycloadditions (92-99% ee with high d.r.). Mechanistic investigations and crystal structures of an iridium-coordinated substrates and iridium-coordinated products are consistent with a mechanistic picture in which the α,β-unsaturated carbonyl compounds are activated by two-point binding (bidentate coordination) to the chiral Lewis acid.
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Affiliation(s)
- Xiaodong Shen
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043 Marburg (Germany)
| | - Haohua Huo
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043 Marburg (Germany)
| | - Chuanyong Wang
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043 Marburg (Germany)
| | - Bo Zhang
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043 Marburg (Germany)
| | - Klaus Harms
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043 Marburg (Germany)
| | - Eric Meggers
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043 Marburg (Germany). .,College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, (P. R. China).
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23
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Hashimoto T, Maruoka K. Recent advances of catalytic asymmetric 1,3-dipolar cycloadditions. Chem Rev 2015; 115:5366-412. [PMID: 25961125 DOI: 10.1021/cr5007182] [Citation(s) in RCA: 755] [Impact Index Per Article: 83.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Takuya Hashimoto
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Keiji Maruoka
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
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24
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Rout S, Ray SK, Unhale RA, Singh VK. Asymmetric Direct Vinylogous Michael Addition to 2-Enoylpyridine N-Oxides Catalyzed by Bifunctional Thio-Urea. Org Lett 2014; 16:5568-71. [DOI: 10.1021/ol5025794] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Subhrajit Rout
- Department
of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal - 462 066, MP, India
| | - Sumit K. Ray
- Department
of Chemistry, Indian Institute of Technology Kanpur, Kanpur - 208 016, UP, India
| | - Rajshekhar A. Unhale
- Department
of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal - 462 066, MP, India
| | - Vinod K. Singh
- Department
of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal - 462 066, MP, India
- Department
of Chemistry, Indian Institute of Technology Kanpur, Kanpur - 208 016, UP, India
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25
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Desimoni G, Faita G, Quadrelli P. Enantioselectively-Catalyzed Reactions with (E)-2-Alkenoyl-pyridines, Their N-Oxides, and the Corresponding Chalcones. Chem Rev 2014; 114:6081-129. [DOI: 10.1021/cr4007208] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Giovanni Desimoni
- Department of Chemistry, University of Pavia, Viale Taramelli 10, 27100 Pavia, Italy
| | - Giuseppe Faita
- Department of Chemistry, University of Pavia, Viale Taramelli 10, 27100 Pavia, Italy
| | - Paolo Quadrelli
- Department of Chemistry, University of Pavia, Viale Taramelli 10, 27100 Pavia, Italy
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26
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Jusseau X, Chabaud L, Guillou C. Synthesis of γ-butenolides and α,β-unsaturated γ-butyrolactams by addition of vinylogous nucleophiles to Michael acceptors. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.01.057] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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27
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Holmquist M, Blay G, Muñoz MC, Pedro JR. Enantioselective Addition of Nitromethane to 2-Acylpyridine N-Oxides. Expanding the Generation of Quaternary Stereocenters with the Henry Reaction. Org Lett 2014; 16:1204-7. [DOI: 10.1021/ol500082d] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Melireth Holmquist
- Departament
de Química Orgànica, Facultat de Química-Universitat de València, C/Dr. Moliner 50, E-46100Burjassot (València), Spain
| | - Gonzalo Blay
- Departament
de Química Orgànica, Facultat de Química-Universitat de València, C/Dr. Moliner 50, E-46100Burjassot (València), Spain
| | - M. Carmen Muñoz
- Departament
de Física Aplicada, Universitat Politècnica de València, E-46071 València, Spain
| | - José R. Pedro
- Departament
de Química Orgànica, Facultat de Química-Universitat de València, C/Dr. Moliner 50, E-46100Burjassot (València), Spain
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28
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Dabrowski-Tumanski P, Kowalska J, Jemielity J. Efficient and Rapid Synthesis of Nucleoside Diphosphate Sugars from Nucleoside Phosphorimidazolides. European J Org Chem 2013. [DOI: 10.1002/ejoc.201201466] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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29
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Blay G, Incerti C, Muñoz MC, Pedro JR. Enantioselective LaIII-pyBOX-Catalyzed Nitro-Michael Addition to (E)-2-Azachalcones. European J Org Chem 2013. [DOI: 10.1002/ejoc.201201579] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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30
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George J, Reddy BVS. Enantioselective Mukaiyama-Michael Reaction of Silyl Enol Ethers to 2-EnoylpyridineN-Oxides Catalyzed by Copper- Bis(oxazoline) Complex. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201200631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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31
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Ray SK, Rout S, Singh VK. Enantioselective synthesis of 3,4-dihydropyran derivatives via a Michael addition reaction catalysed by chiral pybox–diph–Zn(ii) complex. Org Biomol Chem 2013; 11:2412-6. [DOI: 10.1039/c3ob40246k] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Rout S, Ray SK, Singh VK. Enantioselective Mukaiyama–Michael with 2-enoyl pyridine N-oxides catalyzed by PYBOX-DIPH-Zn(ii)-complexes at ambient temperature. Org Biomol Chem 2013; 11:4537-45. [DOI: 10.1039/c3ob40445e] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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33
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Ray SK, Singh PK, Molleti N, Singh VK. Enantioselective Synthesis of Coumarin Derivatives by PYBOX-DIPH-Zn(II) Complex Catalyzed Michael Reaction. J Org Chem 2012; 77:8802-8. [DOI: 10.1021/jo301513x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sumit K. Ray
- Department
of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208 016, India
| | - Pradeep K. Singh
- Department
of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208 016, India
| | - Nagaraju Molleti
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya
Pradesh, 460 023, India
| | - Vinod K. Singh
- Department
of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208 016, India
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya
Pradesh, 460 023, India
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34
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Karyakarte SD, Smith TP, Chemler SR. Stereoselective isoxazolidine synthesis via copper-catalyzed alkene aminooxygenation. J Org Chem 2012; 77:7755-60. [PMID: 22870912 DOI: 10.1021/jo3013226] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Isoxazolidines are useful in organic synthesis, drug discovery, and chemical biology endeavors. A new stereoselective synthesis of methyleneoxy-substituted isoxazolidines is disclosed. The method involves copper-catalyzed aminooxygenation/cyclization of N-sulfonyl-O-butenyl hydroxylamines in the presence of (2,2,6,6-tetramethylpiperidin-1-yl)oxyl radical (TEMPO) and O(2) and provides substituted isoxazolidines in excellent yields and diastereoselectivities. We also demonstrate selective mono N-O reduction followed by oxidation of the remaining N-O bond to reveal a 2-amino-γ-lactone. Reduction of the γ-lactone reveals the corresponding aminodiol.
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Affiliation(s)
- Shuklendu D Karyakarte
- Department of Chemistry, The State University of New York at Buffalo, Buffalo, New York 14260, USA
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35
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Livieri A, Boiocchi M, Desimoni G, Faita G. Enantioselective Addition of Cyclic Enol Silyl Ethers to 2-Alkenoyl-Pyridine-N-Oxides Catalysed by CuII-Bis(oxazoline) Complexes. Chemistry 2012; 18:11662-8. [DOI: 10.1002/chem.201201214] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2012] [Indexed: 11/08/2022]
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36
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Copper(II)-mediated in-situ hydrolyses of pyrroline N-oxide and benzonitrile leading to a mixed ligand complex. INORG CHEM COMMUN 2012. [DOI: 10.1016/j.inoche.2012.01.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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37
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Motoyama K, Ikeda M, Miyake Y, Nishibayashi Y. Ruthenium- and Copper-Catalyzed Enantioselective Propargylic Alkylation of Propargylic Alcohols with β-Keto Phosphonates. Organometallics 2012. [DOI: 10.1021/om300219f] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kazuki Motoyama
- Institute
of Engineering Innovation, School
of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656,
Japan
| | - Masahiro Ikeda
- Institute
of Engineering Innovation, School
of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656,
Japan
| | - Yoshihiro Miyake
- Institute
of Engineering Innovation, School
of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656,
Japan
| | - Yoshiaki Nishibayashi
- Institute
of Engineering Innovation, School
of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656,
Japan
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38
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Ikeda M, Miyake Y, Nishibayashi Y. Cooperative Catalytic Reactions Using Distinct Transition-Metal Catalysts: Ruthenium- and Copper-Catalyzed Enantioselective Propargylic Alkylation. Chemistry 2012; 18:3321-8. [DOI: 10.1002/chem.201103892] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Indexed: 12/30/2022]
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39
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George J, Reddy BVS. Enantioselective Friedel–Crafts alkylation of indoles with 2-enoylpyridine-N-oxides catalyzed by glucoBOX-Cu(ii) complex. Org Biomol Chem 2012; 10:4731-8. [DOI: 10.1039/c2ob25315a] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Luis García Ruano J, Fraile A, Núñez A, Rosario Martín M, Alonso I. C-[o-(p-Tolyl)sulfinyl]phenylnitrones. Synthesis and Reactivity in [3+2] Dipolar Cycloadditions. HETEROCYCLES 2012. [DOI: 10.3987/com-11-s(p)72] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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41
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Ray SK, Singh PK, Singh VK. Enantioselective Michael Addition of Malonates to 2-Enoylpyridine N-Oxides Catalyzed by Chiral Bisoxazoline–Zn(II) Complex. Org Lett 2011; 13:5812-5. [DOI: 10.1021/ol202405v] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sumit K. Ray
- Department of Chemistry, Indian Institute of Technology-Kanpur, Kanpur, UP 208 016, India, and Department of Chemistry, Indian Institute of Science Education and Research Bhopal, ITI (Gas Rahat) Building, Govindpura, Bhopal, MP 462 023, India
| | - Pradeep K. Singh
- Department of Chemistry, Indian Institute of Technology-Kanpur, Kanpur, UP 208 016, India, and Department of Chemistry, Indian Institute of Science Education and Research Bhopal, ITI (Gas Rahat) Building, Govindpura, Bhopal, MP 462 023, India
| | - Vinod K. Singh
- Department of Chemistry, Indian Institute of Technology-Kanpur, Kanpur, UP 208 016, India, and Department of Chemistry, Indian Institute of Science Education and Research Bhopal, ITI (Gas Rahat) Building, Govindpura, Bhopal, MP 462 023, India
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42
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Luo N, Zheng Z, Yu Z. Highly Regioselective [3 + 2] Annulation of Azomethine Imines with 1-Alkynyl Fischer Carbene Complexes to Functionalized N,N-Bicyclic Pyrazolidin-3-ones. Org Lett 2011; 13:3384-7. [DOI: 10.1021/ol201139w] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Ning Luo
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China, and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, CAS, 354 Fenglin Road, Shanghai 200032, China
| | - Zhaoyan Zheng
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China, and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, CAS, 354 Fenglin Road, Shanghai 200032, China
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China, and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, CAS, 354 Fenglin Road, Shanghai 200032, China
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