1
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Pan L, Lee KM, Chan YY, Ke Z, Yeung YY. Applications of the DIB-BBr 3 Protocol in Bromination Reactions. Org Lett 2023; 25:53-57. [PMID: 36594727 DOI: 10.1021/acs.orglett.2c03777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Non-symmetrical bromoiodanes are useful for bromination reactions, and some protocols were found to be suitable for specific substrates. Herein, we report the use of a DIB/BBr3 protocol for various bromination reactions, including electrophilic bromination of arenes, carbonyl C-H monobromination, bromolactonization, bromocarbocyclization, intermolecular bromoetherification of olefin, and light-triggered C(sp3)-H bromination.
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Affiliation(s)
- Liangkun Pan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region of the People's Republic of China
| | - Ka-Mei Lee
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region of the People's Republic of China
| | - Yung-Yin Chan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region of the People's Republic of China
| | - Zhihai Ke
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, Shenzhen, Guangdong 518172, People's Republic of China
| | - Ying-Yeung Yeung
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region of the People's Republic of China
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2
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Singh FV, Shetgaonkar SE, Krishnan M, Wirth T. Progress in organocatalysis with hypervalent iodine catalysts. Chem Soc Rev 2022; 51:8102-8139. [PMID: 36063409 DOI: 10.1039/d2cs00206j] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hypervalent iodine compounds as environmentally friendly and relatively inexpensive reagents have properties similar to transition metals. They are employed as alternatives to transition metal catalysts in organic synthesis as mild, nontoxic, selective and recyclable catalytic reagents. Formation of C-N, C-O, C-S, C-F and C-C bonds can be seamlessly accomplished by hypervalent iodine catalysed oxidative functionalisations. The aim of this review is to highlight recent developments in the utilisation of iodine(III) and iodine(V) catalysts in the synthesis of a wide range of organic compounds including chiral catalysts for stereoselective synthesis. Polymer-, magnetic nanoparticle- and metal organic framework-supported hypervalent iodine catalysts are also described.
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Affiliation(s)
- Fateh V Singh
- Chemistry Department, SAS, Vellore Institute of Technology - Chennai, Vandalur-Kelambakkam Road, Chennai-600127, Tamil Nadu, India.
| | - Samata E Shetgaonkar
- Chemistry Department, SAS, Vellore Institute of Technology - Chennai, Vandalur-Kelambakkam Road, Chennai-600127, Tamil Nadu, India.
| | - Manjula Krishnan
- Chemistry Department, SAS, Vellore Institute of Technology - Chennai, Vandalur-Kelambakkam Road, Chennai-600127, Tamil Nadu, India.
| | - Thomas Wirth
- School of Chemistry, Cardiff University, Cardiff, UK.
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3
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Łowicki D, Przybylski P. Cascade synthetic strategies opening access to medicinal-relevant aliphatic 3- and 4-membered N-heterocyclic scaffolds. Eur J Med Chem 2022; 238:114438. [PMID: 35567964 DOI: 10.1016/j.ejmech.2022.114438] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 04/26/2022] [Accepted: 04/30/2022] [Indexed: 12/23/2022]
Abstract
Cascade reactions are often 'employed' by nature to construct structurally diverse nitrogen-containing heterocycles in a highly stereoselective fashion, i.e., secondary metabolites important for pharmacy. Nitrogen-containing heterocycles of three- and four-membered rings, as standalone and bicyclic compounds, inhibit different enzymes and are pharmacophores of approved drugs or drug candidates considered in many therapies, e.g. anticancer, antibacterial or antiviral. Domino transformations are in most cases in line with modern green chemistry concepts due to atom economy, one-pot procedures often without use the protective groups, time-saving and at markedly lower costs than multistep transformations. The tandem approaches can help to obtain novel N-heterocyclic scaffolds, functionalized according to structural requirements of the target in cells, taking into account the nature of functional group and stereochemistry. On the other hand cascade strategies allow to modify small N-heterocyclic rings in a systematic way, which is beneficial for structure-activity relationship (SAR) analyses. This review is focused on the biological relevance of the N-heterocyclic scaffolds with smaller 3- and 4-membered rings among approved drugs and leading structures of drug candidates. The cascade synthetic strategies offering N-heterocyclic scaffolds, at relatively good yields and high stereoselectivity, are discussed here. The review covers mainly years from 2015 to 2021.
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Affiliation(s)
- Daniel Łowicki
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Piotr Przybylski
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland.
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4
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Pan L, Lee KM, Ke Z, Yeung YY. Application of a DIB/BBr 3 protocol in metal-free aryl coupling reactions. NEW J CHEM 2022. [DOI: 10.1039/d2nj04478a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Efficient and metal-free cross-coupling of arenes has been developed. Inexpensive hypervalent iodine reagents (HIRs) diacetoxyl iodobenzene and BBr3 were used to in situ generate a non-symmetrical HIR as the active species.
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Affiliation(s)
- Liangkun Pan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Ka-Mei Lee
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Zhihai Ke
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, Shenzhen, Guangdong 518172, China
| | - Ying-Yeung Yeung
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
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5
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Zhong H, Ding T, Guo Q, Tian Z, Yu P, Jiang X. Accessing Chiral 2,2-Disubstituted Morpholines via Organocatalytic Enantioselective Chlorocycloetherification. Org Chem Front 2022. [DOI: 10.1039/d2qo00390b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chiral morpholine is an important scaffold in organic synthesis and a pharmacophore in medicinal chemistry. However, catalytic enantioselective procedure for the construction of morpholine remains sparse. We report herein a...
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6
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Robidas R, Legault CY. Cyclic Haloiodanes: Syntheses, Applications and Fundamental Studies. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100111] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Raphaël Robidas
- Department of Chemistry Université de Sherbrooke Sherbrooke Québec J1K 2R1 Canada
| | - Claude Y. Legault
- Department of Chemistry Université de Sherbrooke Sherbrooke Québec J1K 2R1 Canada
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7
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Saito A. Metal-Free Synthesis of Heterocycles via Activation of Alkynes by Hypervalent Iodine. J SYN ORG CHEM JPN 2021. [DOI: 10.5059/yukigoseikyokaishi.79.766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Akio Saito
- Department of Applied Chemistry, Tokyo University of Agriculture and Technology
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8
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Takahashi S, Umakoshi Y, Nakayama K, Okada Y, Zhdankin VV, Yoshimura A, Saito A. Fluorocyclization of
N
‐Propargyl Carboxamides by λ
3
‐Iodane Catalysts with Coordinating Substituents. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000381] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shunsuke Takahashi
- Division of Applied Chemistry, Institute of EngineeringTokyo University of Agriculture and Technology, Koganei Tokyo 184-8588 Japan
| | - Yuki Umakoshi
- Division of Applied Chemistry, Institute of EngineeringTokyo University of Agriculture and Technology, Koganei Tokyo 184-8588 Japan
| | - Kaii Nakayama
- Division of Applied Chemistry, Institute of EngineeringTokyo University of Agriculture and Technology, Koganei Tokyo 184-8588 Japan
| | - Yohei Okada
- Division of Applied Chemistry, Institute of EngineeringTokyo University of Agriculture and Technology, Koganei Tokyo 184-8588 Japan
| | - Viktor V. Zhdankin
- Department of Chemistry and BiochemistryUniversity of Minnesota Duluth MN 55812 USA
| | - Akira Yoshimura
- Department of Chemistry and BiochemistryUniversity of Minnesota Duluth MN 55812 USA
| | - Akio Saito
- Division of Applied Chemistry, Institute of EngineeringTokyo University of Agriculture and Technology, Koganei Tokyo 184-8588 Japan
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9
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Peilleron L, Retailleau P, Cariou K. Synthesis of Cyclic
N
‐Hydroxylated Ureas and Oxazolidinone Oximes Enabled by Chemoselective Iodine(III)‐Mediated Radical or Cationic Cyclizations of Unsaturated
N
‐Alkoxyureas. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901135] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Laure Peilleron
- Institut de Chimie des Substances Naturelles CNRS UPR 2301, Université Paris-SudUniversité Paris-Saclay Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles CNRS UPR 2301, Université Paris-SudUniversité Paris-Saclay Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Kevin Cariou
- Institut de Chimie des Substances Naturelles CNRS UPR 2301, Université Paris-SudUniversité Paris-Saclay Avenue de la Terrasse 91198 Gif-sur-Yvette France
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10
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Weidele K, Stojanović N, Feliciello G, Markiewicz A, Scheitler S, Alberter B, Renner P, Haferkamp S, Klein CA, Polzer B. Microfluidic enrichment, isolation and characterization of disseminated melanoma cells from lymph node samples. Int J Cancer 2019; 145:232-241. [PMID: 30586191 DOI: 10.1002/ijc.32092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 11/22/2018] [Accepted: 12/12/2018] [Indexed: 11/10/2022]
Abstract
For the first time in melanoma, novel therapies have recently shown efficacy in the adjuvant therapy setting, which makes companion diagnostics to guide treatment decisions a desideratum. Early spread of disseminated cancer cells (DCC) to sentinel lymph nodes (SLN) is indicative of poor prognosis in melanoma and early DCCs could therefore provide important information about the malignant seed. Here, we present a strategy for enrichment of DCCs from SLN suspensions using a microfluidic device (Parsortix™, Angle plc). This approach enables the detection and isolation of viable DCCs, followed by molecular analysis and identification of genetic changes. By optimizing the workflow, the established protocol allows a high recovery of DCC from melanoma patient-derived lymph node (LN) suspensions with harvest rates above 60%. We then assessed the integrity of the transcriptome and genome of individual, isolated DCCs. In LNs of melanoma patients, we detected the expression of melanoma-associated transcripts including MLANA (encoding for MelanA protein), analyzed the BRAF and NRAS mutational status and confirmed the malignant origin of isolated melanoma DCCs by comparative genomic hybridization. We demonstrate the feasibility of epitope-independent isolation of LN DCCs using Parsortix™ for subsequent molecular characterization of isolated single DCCs with ample application fields including the use for companion diagnostics or subsequent cellular studies in personalized medicine.
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Affiliation(s)
- Kathrin Weidele
- Division of Personalized Tumour Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, 93053, Regensburg, Germany
| | - Nataša Stojanović
- Division of Personalized Tumour Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, 93053, Regensburg, Germany
| | - Giancarlo Feliciello
- Division of Personalized Tumour Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, 93053, Regensburg, Germany
| | - Aleksandra Markiewicz
- Experimental Medicine and Therapy Research, University of Regensburg, 93053, Regensburg, Germany
| | - Sebastian Scheitler
- Division of Personalized Tumour Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, 93053, Regensburg, Germany
| | - Barbara Alberter
- Division of Personalized Tumour Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, 93053, Regensburg, Germany
| | - Philipp Renner
- Department of Surgery, University Medical Center, 93053, Regensburg, Germany
| | - Sebastian Haferkamp
- Department of Dermatology, University Hospital Regensburg, 93053, Regensburg, Germany
| | - Christoph A Klein
- Division of Personalized Tumour Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, 93053, Regensburg, Germany.,Experimental Medicine and Therapy Research, University of Regensburg, 93053, Regensburg, Germany
| | - Bernhard Polzer
- Division of Personalized Tumour Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, 93053, Regensburg, Germany
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11
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Andries-Ulmer A, Brunner C, Rehbein J, Gulder T. Fluorine as a Traceless Directing Group for the Regiodivergent Synthesis of Indoles and Tryptophans. J Am Chem Soc 2018; 140:13034-13041. [DOI: 10.1021/jacs.8b08350] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anna Andries-Ulmer
- Department of Chemistry and Catalysis Research Center (CRC), Technical University of Munich, Lichtenbergstraße 4, 85748 Garching, Germany
| | - Christoph Brunner
- Department of Chemistry and Catalysis Research Center (CRC), Technical University of Munich, Lichtenbergstraße 4, 85748 Garching, Germany
| | - Julia Rehbein
- Institute of Organic Chemistry, University of Regensburg, Universitätstraße 31, 93053 Regensburg, Germany
| | - Tanja Gulder
- Department of Chemistry and Catalysis Research Center (CRC), Technical University of Munich, Lichtenbergstraße 4, 85748 Garching, Germany
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12
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Li X, Chen P, Liu G. Recent advances in hypervalent iodine(III)-catalyzed functionalization of alkenes. Beilstein J Org Chem 2018; 14:1813-1825. [PMID: 30112085 PMCID: PMC6071704 DOI: 10.3762/bjoc.14.154] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Accepted: 06/22/2018] [Indexed: 12/24/2022] Open
Abstract
Hypervalent iodine(III) reagents have been well-developed and widely utilized in functionalization of alkenes, however, generally either stoichiometric amounts of iodine(III) reagents are required or stoichiometric oxidants such as mCPBA are employed to in situ generate iodine(III) species. In this review, recent developments of hypervalent iodine(III)-catalyzed functionalization of alkenes and asymmetric reactions using a chiral iodoarene are summarized.
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Affiliation(s)
- Xiang Li
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Pinhong Chen
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Guosheng Liu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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13
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Arnold AM, Pöthig A, Drees M, Gulder T. NXS, Morpholine, and HFIP: The Ideal Combination for Biomimetic Haliranium-Induced Polyene Cyclizations. J Am Chem Soc 2018; 140:4344-4353. [PMID: 29412652 DOI: 10.1021/jacs.8b00113] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In contrast to Nature that accomplishes polyene cyclizations seemingly with ease, such transformations are difficult to conduct in the lab. In our program dealing with the development of selective halogenations of alkenes, we now asserted that standard X+ reagents are perfectly suited for the biomimetic cation-π cyclization of both electron rich and poor linear polyenes in the presence of the Lewis base morpholine and the Lewis acid HFIP. The method stands out due to its broad substrate scope and practicability together with high chemical yields and excellent selectivities, even for highly challenging chloriranium-induced polyene cyclizations.
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Affiliation(s)
- Andreas M Arnold
- Biomimetic Catalysis, Department of Chemistry , Technical University of Munich , Lichtenbergstrasse 4 , 85748 Garching , Germany.,Catalysis Research Center , Technical University of Munich , Ernst-Otto-Fischer-Straße 1 , 85748 Garching , Germany
| | - Alexander Pöthig
- Catalysis Research Center , Technical University of Munich , Ernst-Otto-Fischer-Straße 1 , 85748 Garching , Germany
| | - Markus Drees
- Catalysis Research Center , Technical University of Munich , Ernst-Otto-Fischer-Straße 1 , 85748 Garching , Germany
| | - Tanja Gulder
- Biomimetic Catalysis, Department of Chemistry , Technical University of Munich , Lichtenbergstrasse 4 , 85748 Garching , Germany.,Catalysis Research Center , Technical University of Munich , Ernst-Otto-Fischer-Straße 1 , 85748 Garching , Germany
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14
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Abstract
During the past century, β-lactams have been identified as the core of penicillin and since then several strategies have been developed for their synthesis.
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15
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CuBr 2 -promoted intramolecular bromocyclization of N-allylamides and aryl allyl ketone oximes. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.10.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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16
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Grayfer TD, Retailleau P, Dodd RH, Dubois J, Cariou K. Chemodivergent, Tunable, and Selective Iodine(III)-Mediated Bromo-Functionalizations of Polyprenoids. Org Lett 2017; 19:4766-4769. [DOI: 10.1021/acs.orglett.7b02125] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tatyana D. Grayfer
- Institut de Chimie des Substances
Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Pascal Retailleau
- Institut de Chimie des Substances
Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Robert H. Dodd
- Institut de Chimie des Substances
Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Joëlle Dubois
- Institut de Chimie des Substances
Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Kevin Cariou
- Institut de Chimie des Substances
Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
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17
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Patzelt C, Pöthig A, Gulder T. Iodine(III)-Catalyzed Cascade Reactions Enabling a Direct Access to β-Lactams and α-Hydroxy-β-amino Acids. Org Lett 2016; 18:3466-9. [DOI: 10.1021/acs.orglett.6b01658] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Christoph Patzelt
- Department of Chemistry and
Catalysis Research Center (CRC), Technical University of Munich, Lichtenbergstrasse 4, 85747 Garching, Germany
| | - Alexander Pöthig
- Department of Chemistry and
Catalysis Research Center (CRC), Technical University of Munich, Lichtenbergstrasse 4, 85747 Garching, Germany
| | - Tanja Gulder
- Department of Chemistry and
Catalysis Research Center (CRC), Technical University of Munich, Lichtenbergstrasse 4, 85747 Garching, Germany
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18
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Arnold AM, Ulmer A, Gulder T. Advances in Iodine(III)-Mediated Halogenations: A Versatile Tool to Explore New Reactivities and Selectivities. Chemistry 2016; 22:8728-39. [DOI: 10.1002/chem.201600449] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Indexed: 01/13/2023]
Affiliation(s)
- Andreas M. Arnold
- Department Chemie and Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstrasse 4 85747 Garching Germany
| | - Anna Ulmer
- Department Chemie and Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstrasse 4 85747 Garching Germany
| | - Tanja Gulder
- Department Chemie and Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstrasse 4 85747 Garching Germany
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19
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Stodulski M, Kohlhepp SV, Raabe G, Gulder T. Exploration of the Bis(thio)urea-Catalyzed Atropselective Synthesis of Marinopyrrole A. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600147] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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20
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Li Y, Hari DP, Vita MV, Waser J. Cyclic Hypervalent Iodine Reagents for Atom-Transfer Reactions: Beyond Trifluoromethylation. Angew Chem Int Ed Engl 2016; 55:4436-54. [DOI: 10.1002/anie.201509073] [Citation(s) in RCA: 272] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Indexed: 12/18/2022]
Affiliation(s)
- Yifan Li
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Switzerland
| | - Durga Prasad Hari
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Switzerland
| | - Maria Victoria Vita
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Switzerland
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21
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Li Y, Hari DP, Vita MV, Waser J. Cyclische hypervalente Iodreagentien für Atomtransferreaktionen - jenseits der Trifluormethylierung. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201509073] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Yifan Li
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Schweiz
| | - Durga Prasad Hari
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Schweiz
| | - Maria Victoria Vita
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Schweiz
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Schweiz
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22
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Abstract
The preparation, structure, and chemistry of hypervalent iodine compounds are reviewed with emphasis on their synthetic application. Compounds of iodine possess reactivity similar to that of transition metals, but have the advantage of environmental sustainability and efficient utilization of natural resources. These compounds are widely used in organic synthesis as selective oxidants and environmentally friendly reagents. Synthetic uses of hypervalent iodine reagents in halogenation reactions, various oxidations, rearrangements, aminations, C-C bond-forming reactions, and transition metal-catalyzed reactions are summarized and discussed. Recent discovery of hypervalent catalytic systems and recyclable reagents, and the development of new enantioselective reactions using chiral hypervalent iodine compounds represent a particularly important achievement in the field of hypervalent iodine chemistry. One of the goals of this Review is to attract the attention of the scientific community as to the benefits of using hypervalent iodine compounds as an environmentally sustainable alternative to heavy metals.
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Affiliation(s)
- Akira Yoshimura
- Department of Chemistry and Biochemistry, University of Minnesota Duluth , Duluth, Minnesota 55812, United States
| | - Viktor V Zhdankin
- Department of Chemistry and Biochemistry, University of Minnesota Duluth , Duluth, Minnesota 55812, United States
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23
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Ulmer A, Brunner C, Arnold AM, Pöthig A, Gulder T. A Fluorination/Aryl Migration/Cyclization Cascade for the Metal-Free Synthesis of Fluoro-Benzoxazepines. Chemistry 2015; 22:3660-4. [PMID: 26641801 DOI: 10.1002/chem.201504749] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Indexed: 11/09/2022]
Abstract
Fluorinated organic molecules are of high interest for many applications across chemical and medical disciplines. Efficient methods for the synthesis of such compounds are thus needed. Within this work, application of the bench-stable cyclic hypervalent iodine(III) fluoro reagent 1 facilitated the development of an efficient, metal-free method for the preparation of the novel class of 4-fluoro-1,3-benzoxazepines starting from readily available styrenes. The efficacy and broad applicability of this concept is demonstrated by the synthesis of 20 structurally diverse congeners in high yields, regio-, and diastereoselectivities. The presented method provides complementary chemoselectivity when compared to the common, commercially available electrophilic fluorination reagents, such as selectfluor. First mechanistic investigations with isotopically labeled substrates reveal a complex reaction mechanism, proceeding via an unusual fluorination/1,2-aryl migration/cyclization cascade.
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Affiliation(s)
- Anna Ulmer
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747, Garching, Germany
| | - Christoph Brunner
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747, Garching, Germany
| | - Andreas M Arnold
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747, Garching, Germany
| | - Alexander Pöthig
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747, Garching, Germany
| | - Tanja Gulder
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747, Garching, Germany.
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24
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Zhang DY, Xu L, Wu H, Gong LZ. Chiral Iodine-Catalyzed Dearomatizative Spirocyclization for the Enantioselective Construction of an All-Carbon Stereogenic Center. Chemistry 2015; 21:10314-7. [DOI: 10.1002/chem.201501583] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Indexed: 12/27/2022]
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25
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Zheng L, Yang C, Xu Z, Gao F, Xia W. Difunctionalization of Alkenes via the Visible-Light-Induced Trifluoromethylarylation/1,4-Aryl Shift/Desulfonylation Cascade Reactions. J Org Chem 2015; 80:5730-6. [DOI: 10.1021/acs.joc.5b00677] [Citation(s) in RCA: 103] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lewei Zheng
- State Key Lab of Urban Water Resource and Environment,
the Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, China
| | - Chao Yang
- State Key Lab of Urban Water Resource and Environment,
the Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, China
| | - ZhaoZhong Xu
- State Key Lab of Urban Water Resource and Environment,
the Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, China
| | - Fei Gao
- State Key Lab of Urban Water Resource and Environment,
the Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, China
| | - Wujiong Xia
- State Key Lab of Urban Water Resource and Environment,
the Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, China
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