1
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Aryl-, Akynyl-, and Alkenylbenziodoxoles: Synthesis and Synthetic Applications. Molecules 2023; 28:molecules28052136. [PMID: 36903382 PMCID: PMC10004369 DOI: 10.3390/molecules28052136] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 02/19/2023] [Accepted: 02/20/2023] [Indexed: 03/02/2023] Open
Abstract
Hypervalent iodine reagents are in high current demand due to their exceptional reactivity in oxidative transformations, as well as in diverse umpolung functionalization reactions. Cyclic hypervalent iodine compounds, known under the general name of benziodoxoles, possess improved thermal stability and synthetic versatility in comparison with their acyclic analogs. Aryl-, alkenyl-, and alkynylbenziodoxoles have recently received wide synthetic applications as efficient reagents for direct arylation, alkenylation, and alkynylation under mild reaction conditions, including transition metal-free conditions as well as photoredox and transition metal catalysis. Using these reagents, a plethora of valuable, hard-to-reach, and structurally diverse complex products can be synthesized by convenient procedures. The review covers the main aspects of the chemistry of benziodoxole-based aryl-, alkynyl-, and alkenyl- transfer reagents, including preparation and synthetic applications.
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2
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Pagès L, Bouquin M, Jaroschik F, Monnier F, Taillefer M. Copper-Catalyzed Regio- and Stereoselective Hydrothiolation of Allenamides, Enamides, and Ynamides. J Org Chem 2023; 88:1168-1176. [PMID: 36599034 DOI: 10.1021/acs.joc.2c02716] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We report a simple protocol for the copper-catalyzed hydrothiolation of N-unsaturated precursors, i.e., allenamides, enamides, and ynamides, under mild conditions. This method proceeds with a low loading of a commercially available Cu(CH3CN)4PF6 catalyst and enables the room-temperature transformation of a wide range of aromatic and aliphatic thiols into allylic or vinylic thioethers, 1,3-dithioethers, and thioaminals with good regio- and stereoselectivity.
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Affiliation(s)
- Lucas Pagès
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34095 Montpellier, France
| | - Maxime Bouquin
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34095 Montpellier, France
| | | | - Florian Monnier
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34095 Montpellier, France
| | - Marc Taillefer
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34095 Montpellier, France
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3
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Photocatalyzed Oxidative Decarboxylation Forming Aminovinylcysteine Containing Peptides. Catalysts 2022. [DOI: 10.3390/catal12121615] [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] Open
Abstract
The formation of (2S,3S)-S-[(Z)-aminovinyl]-3-methyl-D-cysteine (AviMeCys) substructures was developed based on the photocatalyzed-oxidative decarboxylation of lanthionine-bearing peptides. The decarboxylative selenoetherification of the N-hydroxyphthalimide ester, generated in situ, proceeded under mild conditions at −40 °C in the presence of 1 mol% of eosin Y-Na2 as a photocatalyst and the Hantzsch ester. The following β-elimination of the corresponding N,Se-acetal was operated in a one-pot operation, led to AviMeCys substructures found in natural products in moderate to good yields. The sulfide-bridged motif, and also the carbamate-type protecting groups, such as Cbz, Teoc, Boc and Fmoc groups, were tolerant under the reaction conditions.
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4
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Shen J, Wu Z, Liu Y, Bai Y, Qiu J, Zhang Z, Yuan Z, Zhu G. Radical Chain Isomerization of N-Sulfonyl Ynamides to Ketenimines and Its Application to Furan Dearomatization. Org Lett 2021; 23:9321-9326. [PMID: 34806892 DOI: 10.1021/acs.orglett.1c03729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A radical chain isomerization of N-sulfonyl ynamides to isolable ketenimines is developed, featuring mild reaction conditions, a high efficiency, ∼100% atom economy, a broad substrate scope, and column chromatography-free workup in most cases. Meanwhile, an unprecedented dearomatization of furans is achieved by the radical chain isomerization-triggered aza-Claisen rearrangement, providing highly chemo-, regio-, stereo-, and diastereoselective access to functionalized quaternary nitriles.
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Affiliation(s)
- Jiahuan Shen
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Zhenzhen Wu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Yi Liu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Yihui Bai
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Jiayan Qiu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Zuxiao Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Zheliang Yuan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Gangguo Zhu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
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5
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Grant-Mackie E, Williams ET, Harris PWR, Brimble MA. Aminovinyl Cysteine Containing Peptides: A Unique Motif That Imparts Key Biological Activity. JACS AU 2021; 1:1527-1540. [PMID: 34723257 PMCID: PMC8549060 DOI: 10.1021/jacsau.1c00308] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Indexed: 06/13/2023]
Abstract
Natural products that contain distinctive chemical functionality can serve as useful starting points to develop Nature's compounds into viable therapeutics. Peptide natural products, an under-represented class of medicines, such as ribosomally synthesized and post-translationally modified peptides (RiPPs), often contain noncanonical amino acids and structural motifs that give rise to potent biological activity. However, these motifs can be difficult to obtain synthetically, thereby limiting the transition of RiPPs to the clinic. Aminovinyl cysteine containing peptides, which display potent antimicrobial or anticancer activity, possess an intricate C-terminal ring that is critical for bioactivity. To date, successful methods for the total chemical synthesis of such peptides are yet to be realized, although several advancements have been achieved. In this perspective, we review this burgeoning class of aminovinyl cysteine peptides and critically evaluate the chemical strategies to install the distinct aminovinyl cysteine motif.
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Affiliation(s)
- Emily
S. Grant-Mackie
- School
of Chemical Sciences, The University of
Auckland, 23 Symonds Street, Auckland 1132, New Zealand
| | - Elyse T. Williams
- School
of Chemical Sciences, The University of
Auckland, 23 Symonds Street, Auckland 1132, New Zealand
| | - Paul W. R. Harris
- School
of Chemical Sciences, The University of
Auckland, 23 Symonds Street, Auckland 1132, New Zealand
- School
of Biological Sciences, The University of
Auckland, 3b Symonds
Street, Auckland 1132, New Zealand
- The
Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, 3b Symonds Street, Auckland 1132, New Zealand
| | - Margaret A. Brimble
- School
of Chemical Sciences, The University of
Auckland, 23 Symonds Street, Auckland 1132, New Zealand
- School
of Biological Sciences, The University of
Auckland, 3b Symonds
Street, Auckland 1132, New Zealand
- The
Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, 3b Symonds Street, Auckland 1132, New Zealand
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6
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Gogoi MP, Vanjari R, Prabagar B, Yang S, Dutta S, Mallick RK, Gandon V, Sahoo AK. Yb(iii)-catalysed syn-thioallylation of ynamides. Chem Commun (Camb) 2021; 57:7521-7524. [PMID: 34236069 DOI: 10.1039/d1cc02611a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reported herein is a syn-thioallylation of ynamides incorporating a sulfide moiety at the α-position and an allyl group at the β-position of the ynamide. The transformation is successful under ytterbium(iii)-catalysis, providing access to highly substituted thioamino-skipped-dienes with broad substrate scope. Thus, tetrasubstituted olefins (with four different functional groups: amide, phenyl, thioaryl/alkyl, and allyl on the carbon centers) are made in a single step from readily accessible ynamides, preserving complete atom economy. The reaction can be extended to the synthesis of selenoamino dienes by ynamide syn-selenoallylation. DFT studies and control experiments provide insight into the reaction mechanism.
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7
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Tan TD, Wang ZS, Qian PC, Ye LW. Radical Reactions of Ynamides. SMALL METHODS 2021; 5:e2000673. [PMID: 34927818 DOI: 10.1002/smtd.202000673] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 08/31/2020] [Indexed: 06/14/2023]
Abstract
Ynamides are electron-rich heteroatom-substituted alkynes with C-C triple bond directly tethered to the amide group. Over the past decades, ynamides have proven to be versatile reagents for organic synthesis and have received extensive attention. Compared with the well-established ionic reactions of ynamides, radical-based ynamide reactions have been exploited relatively seldom. Herein, radical reactions of ynamides, classified by radical attack at the α-position and β-position of ynamides, are reviewed by highlighting the reaction selectivity, scope, mechanism, and applicability. The aim of this review is to provide a comprehensive summarization of these advances, casting light on the further development of ynamide chemistry.
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Affiliation(s)
- Tong-De Tan
- Key Laboratory for Chemical Biology of Fujian Province & State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Ze-Shu Wang
- Key Laboratory for Chemical Biology of Fujian Province & State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Peng-Cheng Qian
- Institute of New Materials & Industry Technology, College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, 325035, China
| | - Long-Wu Ye
- Key Laboratory for Chemical Biology of Fujian Province & State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
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8
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Cai Y, Ma Z, Jiang J, Lo CCL, Luo S, Jalan A, Cardon JM, Ramos A, Moyá DA, Joaquin D, Castle SL. Convergent Total Synthesis of Yaku'amide A. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014238] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yu Cai
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Zhiwei Ma
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Jintao Jiang
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Concordia C. L. Lo
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Shi Luo
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Ankur Jalan
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Joseph M. Cardon
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Alexander Ramos
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Diego A. Moyá
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Daniel Joaquin
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
| | - Steven L. Castle
- Department of Chemistry and Biochemistry Brigham Young University Provo UT 84602 USA
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9
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Cai Y, Ma Z, Jiang J, Lo CCL, Luo S, Jalan A, Cardon JM, Ramos A, Moyá DA, Joaquin D, Castle SL. Convergent Total Synthesis of Yaku'amide A. Angew Chem Int Ed Engl 2021; 60:5162-5167. [PMID: 33336547 DOI: 10.1002/anie.202014238] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Indexed: 12/11/2022]
Abstract
Total synthesis of the anticancer peptide natural product yaku'amide A is reported. Its β-tert-hydroxy amino acids were prepared by regioselective aminohydroxylation involving a chiral mesyloxycarbamate reagent. Stereospecific construction of the E- and Z-ΔIle residues was accomplished through a one-pot reaction featuring anti dehydration, azide reduction, and O→N acyl transfer. Alkene isomerization was negligible during this process. These methods enabled a highly convergent and efficient synthetic route to the natural product.
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Affiliation(s)
- Yu Cai
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Zhiwei Ma
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Jintao Jiang
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Concordia C L Lo
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Shi Luo
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Ankur Jalan
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Joseph M Cardon
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Alexander Ramos
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Diego A Moyá
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Daniel Joaquin
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
| | - Steven L Castle
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, USA
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10
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Zhou G, Su J, Shang T, Wang X, Bai Y, Yuan Z, Zhu G. Synthesis of polysubstituted azetidines via cascade trifluoromethylation/cyclization of N-allyl ynamides. Org Chem Front 2021. [DOI: 10.1039/d1qo00559f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A cascade trifluoromethylation/cyclization of N-allyl sulfonylynamides is developed, providing a direct access to azetidine-fused tricyclic compounds at room temperature.
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Affiliation(s)
- Genlai Zhou
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Jingwen Su
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Tianbo Shang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Xiaojuan Wang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Yihui Bai
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Zheliang Yuan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
| | - Gangguo Zhu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- P. R. China
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11
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Lynch CC, Sripada A, Wolf C. Asymmetric synthesis with ynamides: unique reaction control, chemical diversity and applications. Chem Soc Rev 2020; 49:8543-8583. [PMID: 33073285 PMCID: PMC8383824 DOI: 10.1039/d0cs00769b] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Ynamides are among the most powerful building blocks in organic synthesis and have become invaluable starting materials for the construction of multifunctional compounds and challenging architectures that would be difficult to prepare otherwise. The rapidly growing popularity originates from the unique reactivity and ease of manipulation of the polarized ynamide triple bond, the advance of practical methods for making them, and the simplicity of storage and handling. These attractive features and the demonstration of numerous synthetic applications have spurred the development of intriguing asymmetric reaction strategies during the last decade. An impressive variety of chemo-, regio- and stereoselective carbon-carbon and carbon-heteroatom bond forming reactions with ynamides have been developed and now significantly enrich the toolbox of synthetic chemists. This review provides a comprehensive overview of asymmetric ynamide chemistry since 2010 with a focus on the general scope, current limitations, stereochemical reaction control and mechanistic aspects.
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Affiliation(s)
- Ciarán C Lynch
- Department of Chemistry, Georgetown University, 37th and O Streets, Washington, DC 20057, USA.
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12
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Affiliation(s)
- Capucine Mahe
- Chimie ParisTech CNRS Institute of Chemistry for Life and Health Sciences Laboratory for Inorganic Chemical Biology PSL University 75005 Paris France
- CNRS Institut de Chimie des Substances Naturelles Université Paris-Saclay LabEx LERMIT, UPR 2301 91198 Gif-sur-Yvette France
| | - Kevin Cariou
- Chimie ParisTech CNRS Institute of Chemistry for Life and Health Sciences Laboratory for Inorganic Chemical Biology PSL University 75005 Paris France
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13
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Dwadnia N, Lingua H, Mouysset D, Mimoun L, Siri D, Bertrand MP, Feray L. Intermolecular Addition of Carbon-Centered Radicals to Ynamides. A Regio- and Stereoselective Route to Persubstituted α-Iodo-enamides. J Org Chem 2020; 85:4114-4121. [PMID: 32069414 DOI: 10.1021/acs.joc.9b03255] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Rather surprisingly, C-C bond formation through "intermolecular" radical addition to internal ynamides has never been reported. Actually, ynamides are excellent acceptors for "electrophilic" carbon-centered radicals. These processes enable the introduction of functionalized alkyl chains at Cβ, groups that have not yet been introduced via the addition of organometallics. Radical carboiodination affords persubstituted α-iodo-enamides in moderate to high yield. The addition is totally stereoselective. Theoretical support to the mechanism and the scope and limitation of the reaction are discussed.
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Affiliation(s)
- Nejib Dwadnia
- Aix Marseille Univ, CNRS, ICR, Institut Chimie Radicalaire, UMR 7273, Equipes CMO et CT, Campus St Jérôme, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France
| | - Hugo Lingua
- Aix Marseille Univ, CNRS, ICR, Institut Chimie Radicalaire, UMR 7273, Equipes CMO et CT, Campus St Jérôme, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France
| | - Dominique Mouysset
- Aix Marseille Univ, CNRS, ICR, Institut Chimie Radicalaire, UMR 7273, Equipes CMO et CT, Campus St Jérôme, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France
| | - Liliane Mimoun
- Aix Marseille Univ, CNRS, ICR, Institut Chimie Radicalaire, UMR 7273, Equipes CMO et CT, Campus St Jérôme, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France
| | - Didier Siri
- Aix Marseille Univ, CNRS, ICR, Institut Chimie Radicalaire, UMR 7273, Equipes CMO et CT, Campus St Jérôme, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France
| | - Michèle P Bertrand
- Aix Marseille Univ, CNRS, ICR, Institut Chimie Radicalaire, UMR 7273, Equipes CMO et CT, Campus St Jérôme, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France
| | - Laurence Feray
- Aix Marseille Univ, CNRS, ICR, Institut Chimie Radicalaire, UMR 7273, Equipes CMO et CT, Campus St Jérôme, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France
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14
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Lutz JA, Taylor CM. Synthesis of the Aminovinylcysteine-Containing C-Terminal Macrocycle of the Linaridins. Org Lett 2020; 22:1874-1877. [DOI: 10.1021/acs.orglett.0c00218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Joshua A. Lutz
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70810, United States
| | - Carol M. Taylor
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70810, United States
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15
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Wang ZS, Chen YB, Zhang HW, Sun Z, Zhu C, Ye LW. Ynamide Smiles Rearrangement Triggered by Visible-Light-Mediated Regioselective Ketyl-Ynamide Coupling: Rapid Access to Functionalized Indoles and Isoquinolines. J Am Chem Soc 2020; 142:3636-3644. [PMID: 32003986 DOI: 10.1021/jacs.9b13975] [Citation(s) in RCA: 115] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In the past decades, significant advances have been made on radical Smiles rearrangement. However, the eventually formed radical intermediates in these reactions are limited to the amidyl radical, except for the few examples initiated by a N-centered radical. Here, a novel and practical radical Smiles rearrangement triggered by photoredox-catalyzed regioselective ketyl-ynamide coupling is reported, which represents the first radical Smiles rearrangement of ynamides. This method enables facile access to a variety of valuable 2-benzhydrylindoles with broad substrate scope in generally good yields under mild reaction conditions. In addition, this chemistry can also be extended to the divergent synthesis of versatile 3-benzhydrylisoquinolines through a similar ketyl-ynamide coupling and radical Smiles rearrangement, followed by dehydrogenative oxidation. Moreover, such an ynamide Smiles rearrangement initiated by intermolecular photoredox catalysis via addition of external radical sources is also achieved. By control experiments, the reaction was shown to proceed via key ketyl radical and α-imino carbon radical intermediates.
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Affiliation(s)
- Ze-Shu Wang
- iChEM, State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China
| | - Yang-Bo Chen
- iChEM, State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China
| | - Hao-Wen Zhang
- iChEM, State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China
| | - Zhou Sun
- iChEM, State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China
| | - Chunyin Zhu
- School of Chemistry and Chemical Engineering , Jiangsu University , Zhenjiang 212013 , China
| | - Long-Wu Ye
- iChEM, State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China.,State Key Laboratory of Organometallic Chemistry , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , Shanghai 200032 , China
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16
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Cassé M, Nisole C, Dossmann H, Gimbert Y, Fourquez JM, Haberkorn L, Ollivier C, Fensterbank L. Trifluoromethyl radical triggered radical cyclization of N-benzoyl ynamides leading to isoindolinones. Sci China Chem 2019. [DOI: 10.1007/s11426-019-9627-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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17
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Peng Z, Zhang Z, Zeng X, Tu Y, Zhao J. Regio‐ and Stereoselective Hydrophosphorylation of Ynamides: A Facile Approach to (
Z
)‐
β
‐Phosphor‐Enamides. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900734] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Zhiyuan Peng
- College of Chemistry & Chemical EngineeringJiangxi Normal University, Nanchang Jiangxi 330022 People's Republic of China
| | - Zhenming Zhang
- College of Chemistry & Chemical EngineeringJiangxi Normal University, Nanchang Jiangxi 330022 People's Republic of China
- Jiangxi Province Key Laboratory of Chemical Biology, Nanchang 330022 Jiangxi People's Republic of China
| | - Xianzhu Zeng
- College of Chemistry & Chemical EngineeringJiangxi Normal University, Nanchang Jiangxi 330022 People's Republic of China
| | - Yongliang Tu
- College of Chemistry & Chemical EngineeringJiangxi Normal University, Nanchang Jiangxi 330022 People's Republic of China
| | - Junfeng Zhao
- College of Chemistry & Chemical EngineeringJiangxi Normal University, Nanchang Jiangxi 330022 People's Republic of China
- Jiangxi Province Key Laboratory of Chemical Biology, Nanchang 330022 Jiangxi People's Republic of China
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18
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Mallick RK, Dutta S, Vanjari R, Voituriez A, Sahoo AK. Thioarylative Radical Cyclization of Yne-Dienone. J Org Chem 2019; 84:10509-10517. [DOI: 10.1021/acs.joc.9b01445] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
| | - Shubham Dutta
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
| | - Rajeshwer Vanjari
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
| | - Arnaud Voituriez
- Institut de Chimie des Substances Naturelles (ICSN), CNRS, 91198 Cedex Gif-sur-Yvette, France
| | - Akhila K. Sahoo
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
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19
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Affiliation(s)
- Bo Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Tong-De Tan
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xin-Qi Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Mingzhou Shang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Long-Wu Ye
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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20
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Caramenti P, Declas N, Tessier R, Wodrich MD, Waser J. Stereoselective synthesis of alkyl-, aryl-, vinyl- and alkynyl-substituted Z-enamides and enol ethers. Chem Sci 2019; 10:3223-3230. [PMID: 30996905 PMCID: PMC6430016 DOI: 10.1039/c8sc05573d] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 02/03/2019] [Indexed: 01/03/2023] Open
Abstract
Enamides and enol ethers are valuable building blocks in synthetic chemistry, yet their stereoselective synthesis can be challenging. Herein, we report a new stereoselective synthesis of vinyl, aryl, alkynyl, alkyl and thio-substituted Z-enamides and enol ethers based on the use of vinylbenziodoxolone (VBX) reagents. The stable VBX reagents were synthesized by stereoselective addition of N- or O-nucleophiles on the corresponding alkynyl reagents in the presence of a catalytic amount of cesium carbonate. The VBX reagents were used in palladium-catalyzed cross-couplings at room temperature to access Z-enamides and enol ethers.
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Affiliation(s)
- Paola Caramenti
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
| | - Nina Declas
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
| | - Romain Tessier
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
| | - Matthew D Wodrich
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
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21
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Dutta S, Mallick RK, Prasad R, Gandon V, Sahoo AK. Alkyne Versus Ynamide Reactivity: Regioselective Radical Cyclization of Yne‐Ynamides. Angew Chem Int Ed Engl 2019; 58:2289-2294. [DOI: 10.1002/anie.201811947] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 12/12/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Shubham Dutta
- School of ChemistryUniversity of Hyderabad Hyderabad India
| | | | - Rangu Prasad
- School of ChemistryUniversity of Hyderabad Hyderabad India
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182Université Paris-Sud, Université Paris-Saclay Bâtiment 420 91405 Orsay cedex France
- Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168Ecole PolytechniqueUniversité Paris-Saclay route de Saclay 91128 Palaiseau cedex France
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22
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Dutta S, Mallick RK, Prasad R, Gandon V, Sahoo AK. Alkyne Versus Ynamide Reactivity: Regioselective Radical Cyclization of Yne-Ynamides. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201811947] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Shubham Dutta
- School of Chemistry; University of Hyderabad; Hyderabad India
| | | | - Rangu Prasad
- School of Chemistry; University of Hyderabad; Hyderabad India
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182; Université Paris-Sud, Université Paris-Saclay; Bâtiment 420 91405 Orsay cedex France
- Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168; Ecole Polytechnique; Université Paris-Saclay; route de Saclay 91128 Palaiseau cedex France
| | - Akhila K. Sahoo
- School of Chemistry; University of Hyderabad; Hyderabad India
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23
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Debbarma S, Bera SS, Maji MS. Harnessing Stereospecific Z-Enamides through Silver-Free Cp*Rh(III) Catalysis by Using Isoxazoles as Masked Electrophiles. Org Lett 2019; 21:835-839. [DOI: 10.1021/acs.orglett.8b04130] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Suvankar Debbarma
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Sourav Sekhar Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Modhu Sudan Maji
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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24
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de la Vega-Hernández K, Romain E, Coffinet A, Bijouard K, Gontard G, Chemla F, Ferreira F, Jackowski O, Perez-Luna A. Radical Germylzincation of α-Heteroatom-Substituted Alkynes. J Am Chem Soc 2018; 140:17632-17642. [DOI: 10.1021/jacs.8b09851] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Elise Romain
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, F-75005 Paris, France
| | - Anais Coffinet
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, F-75005 Paris, France
| | - Kajetan Bijouard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, F-75005 Paris, France
| | - Geoffrey Gontard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, F-75005 Paris, France
| | - Fabrice Chemla
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, F-75005 Paris, France
| | - Franck Ferreira
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, F-75005 Paris, France
| | - Olivier Jackowski
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, F-75005 Paris, France
| | - Alejandro Perez-Luna
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, F-75005 Paris, France
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25
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Lutz JA, Subasinghege Don V, Kumar R, Taylor CM. Influence of Sulfur on Acid-Mediated Enamide Formation. Org Lett 2017; 19:5146-5149. [PMID: 28892395 DOI: 10.1021/acs.orglett.7b02432] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The acid-mediated condensation of acetamide with butanal dimethylacetal and EtSCH2CH(OMe)2, followed by dehydration, was investigated by electronic structure calculations that supported the prediction that the Z-geometry would be favored in the product. The reaction was investigated experimentally using suitably functionalized cysteine building blocks. Some side reactions and optimization of reaction conditions are reported, en route to identifying a mild, inexpensive Lewis acid that achieves a reasonable yield of (Z)-thioenamide 21 with high stereoselectivity.
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Affiliation(s)
- Joshua A Lutz
- Department of Chemistry, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Visal Subasinghege Don
- Department of Chemistry, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Revati Kumar
- Department of Chemistry, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Carol M Taylor
- Department of Chemistry, Louisiana State University , Baton Rouge, Louisiana 70803, United States
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26
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27
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Li L, Chen XM, Wang ZS, Zhou B, Liu X, Lu X, Ye LW. Reversal of Regioselectivity in Catalytic Arene-Ynamide Cyclization: Direct Synthesis of Valuable Azepino[4,5-b]indoles and β-Carbolines and DFT Calculations. ACS Catal 2017. [DOI: 10.1021/acscatal.7b01038] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Long Li
- Collaborative
Innovation Center of Chemistry for Energy Material, State Key Laboratory
of Physical Chemistry of Solid Surfaces, and Fujian Provincial Key
Laboratory of Chemical Biology, Department of Chemistry, College of
Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xiu-Mei Chen
- Collaborative
Innovation Center of Chemistry for Energy Material, State Key Laboratory
of Physical Chemistry of Solid Surfaces, and Fujian Provincial Key
Laboratory of Theoretical and Computational Chemistry, Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Ze-Shu Wang
- Collaborative
Innovation Center of Chemistry for Energy Material, State Key Laboratory
of Physical Chemistry of Solid Surfaces, and Fujian Provincial Key
Laboratory of Chemical Biology, Department of Chemistry, College of
Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Bo Zhou
- Collaborative
Innovation Center of Chemistry for Energy Material, State Key Laboratory
of Physical Chemistry of Solid Surfaces, and Fujian Provincial Key
Laboratory of Chemical Biology, Department of Chemistry, College of
Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xin Liu
- Collaborative
Innovation Center of Chemistry for Energy Material, State Key Laboratory
of Physical Chemistry of Solid Surfaces, and Fujian Provincial Key
Laboratory of Chemical Biology, Department of Chemistry, College of
Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xin Lu
- Collaborative
Innovation Center of Chemistry for Energy Material, State Key Laboratory
of Physical Chemistry of Solid Surfaces, and Fujian Provincial Key
Laboratory of Theoretical and Computational Chemistry, Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Long-Wu Ye
- Collaborative
Innovation Center of Chemistry for Energy Material, State Key Laboratory
of Physical Chemistry of Solid Surfaces, and Fujian Provincial Key
Laboratory of Chemical Biology, Department of Chemistry, College of
Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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28
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Shibata N, Tsuchiya T, Hashimoto Y, Morita N, Ban S, Tamura O. Thiyl radical-mediated cyclization of ω-alkynyl O-tert-butyldiphenylsilyloximes. Org Biomol Chem 2017; 15:3025-3034. [DOI: 10.1039/c7ob00279c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Treatment of ω-alkynyl O-tert-butyldiphenylsilyloximes with odorless thiol and AIBN gave cyclic O-silylhydroxylamines via a radical process in good yields.
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29
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Gu ZY, Cao JJ, Wang SY, Ji SJ. The involvement of the trisulfur radical anion in electron-catalyzed sulfur insertion reactions: facile synthesis of benzothiazine derivatives under transition metal-free conditions. Chem Sci 2016; 7:4067-4072. [PMID: 30155050 PMCID: PMC6013918 DOI: 10.1039/c6sc00240d] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 03/03/2016] [Indexed: 11/21/2022] Open
Abstract
An efficient and practical synthesis of benzothiazine by K2S initiated sulfur insertion reaction with enaminones via electron catalysis is developed. This protocol provides a new, environment-friendly and simple strategy to construct benzothiazine derivatives via formation of two C-S bonds under transition metal-free, additive-free and oxidant-free conditions. K2S not only provides the sulfur insertion source, but also ignites the reaction through the formation of a trisulfur radical anion and electrons in DMF.
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Affiliation(s)
- Zheng-Yang Gu
- Key Laboratory of Organic Synthesis of Jiangsu Province , College of Chemistry , Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology , Soochow University , Suzhou 215123 , China . ;
| | - Jia-Jia Cao
- Key Laboratory of Organic Synthesis of Jiangsu Province , College of Chemistry , Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology , Soochow University , Suzhou 215123 , China . ;
| | - Shun-Yi Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province , College of Chemistry , Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology , Soochow University , Suzhou 215123 , China . ;
| | - Shun-Jun Ji
- Key Laboratory of Organic Synthesis of Jiangsu Province , College of Chemistry , Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology , Soochow University , Suzhou 215123 , China . ;
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30
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Pan XQ, Zou JP, Yi WB, Zhang W. Recent advances in sulfur- and phosphorous-centered radical reactions for the formation of S–C and P–C bonds. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.04.117] [Citation(s) in RCA: 131] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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31
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S3S63 Terminal Ynamides: Synthesis, Coupling Reactions and Additions to Common Electrophiles. Tetrahedron Lett 2015; 56:2377-2392. [PMID: 26085692 DOI: 10.1016/j.tetlet.2015.03.111] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Ynamides consist of a polarized triple bond that is directly attached to a nitrogen atom carrying a sulfonyl, an alkoxycarbonyl, an acyl or another electron withdrawing group. The triple bond polarization renders ynamides broadly useful building blocks with synthetic opportunities that go far beyond traditional alkyne chemistry. The versatile reactivity of ynamides in cycloadditions, cycloisomerizations, regioselective additions with various nucleophiles or electrophiles, ring-closing metathesis, and many other reactions has been investigated in detail during the past decades. A common feature of these methods is that the triple bond is consumed and either cleaved or transformed to a new functionality. The wealth of reports on these ynamide reactions is in stark contrast to the dearth of carbon-carbon bond formations that leave the triple bond of terminal ynamides intact. The recent introduction of effective synthetic methods for the preparation of terminal ynamides has set the stage to fully explore the synthetic potential of this intriguing class of compounds. This digest letter summarizes the most effective routes to terminal ynamides and the current state of selective nucleophilic addition, substitution and coupling reactions, including the first examples of asymmetric synthesis.
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32
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Zhang G, Yi H, Chen H, Bian C, Liu C, Lei A. Trisulfur Radical Anion as the Key Intermediate for the Synthesis of Thiophene via the Interaction between Elemental Sulfur and NaOtBu. Org Lett 2014; 16:6156-9. [DOI: 10.1021/ol503015b] [Citation(s) in RCA: 128] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Guoting Zhang
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Hong Yi
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Hong Chen
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Changliang Bian
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Chao Liu
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Aiwen Lei
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
- National
Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, Jiangxi, P. R. China
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33
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Hentz A, Retailleau P, Gandon V, Cariou K, Dodd RH. Transition-Metal-Free Tunable Chemoselective N Functionalization of Indoles with Ynamides. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201402767] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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34
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Hentz A, Retailleau P, Gandon V, Cariou K, Dodd RH. Transition-Metal-Free Tunable Chemoselective N Functionalization of Indoles with Ynamides. Angew Chem Int Ed Engl 2014; 53:8333-7. [DOI: 10.1002/anie.201402767] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 05/14/2014] [Indexed: 11/08/2022]
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35
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Zhang P, Cook AM, Liu Y, Wolf C. Copper(I)-catalyzed nucleophilic addition of ynamides to acyl chlorides and activated N-heterocycles. J Org Chem 2014; 79:4167-73. [PMID: 24724797 PMCID: PMC4017613 DOI: 10.1021/jo500365h] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
![]()
The
addition of ynamides to acyl chlorides and N-heterocycles
activated in situ with ethyl chloroformate has been
accomplished at room temperature using copper iodide as catalyst.
This economical and practical carbon–carbon bond formation
provides convenient access to a variety of 3-aminoynones from aliphatic
and aromatic acyl chlorides in up to 99% yield. The addition to pyridines
and quinolines occurs under almost identical conditions and proceeds
with good to high regioselectivity, producing the corresponding 1,2-dihydro-N-heterocycles in up to 95% yield.
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Affiliation(s)
- Peng Zhang
- Department of Chemistry, Georgetown University , Washington, DC 20057, United States
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36
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Cook AM, Wolf C. Catalytic enantioselective nucleophilic addition of ynamides to aldehydes. Chem Commun (Camb) 2014; 50:3151-4. [PMID: 24519669 PMCID: PMC3977694 DOI: 10.1039/c4cc00394b] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first catalytic asymmetric addition of ynamides to aliphatic and aromatic aldehydes is described. This reaction provides unprecedented access to a diverse family of N-substituted propargylic alcohols that are obtained in high yield and ee in the presence of 10 mol% of zinc triflate and N-methylephedrine. The use of apolar solvent mixtures is essential to avoid product racemization and to optimize ee's without compromising conversion.
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Affiliation(s)
- Andrea M Cook
- Department of Chemistry, Georgetown University, Washington, DC 20057, USA.
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37
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Affiliation(s)
- Fabrice Dénès
- Laboratoire CEISAM UMR CNRS 6230 - UFR des Sciences et Techniques, Université de Nantes , 2 rue de la Houssinière, BP 92208 - 44322 Nantes Cedex 3, France
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38
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Wille U. Radical Cascades Initiated by Intermolecular Radical Addition to Alkynes and Related Triple Bond Systems. Chem Rev 2012; 113:813-53. [DOI: 10.1021/cr100359d] [Citation(s) in RCA: 465] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Uta Wille
- School of Chemistry and
BIO21 Molecular Science and
Biotechnology Institute, Australian Research Council Centre of Excellence
for Free Radical Chemistry and Biotechnology, The University of Melbourne, 30 Flemington Road, Parkville, Victoria
3010, Australia
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39
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García-Reynaga P, Carrillo AK, VanNieuwenhze MS. Decarbonylative approach to the synthesis of enamides from amino acids: stereoselective synthesis of the (Z)-aminovinyl-D-cysteine unit of mersacidin. Org Lett 2012; 14:1030-3. [PMID: 22296268 DOI: 10.1021/ol203399x] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The Pd- and Ni-promoted decarbonylation of amino acid thioesters proceeds smoothly to yield enamides. The synthesis of the (S)-(Z)-AviMeCys subunit of mersacidin, an MRSA-active lantibiotic, via this approach, is described.
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Affiliation(s)
- Pablo García-Reynaga
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47505, USA
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40
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Beveridge RE, Batey RA. Terminal Alkyne Addition to Diazodicarboxylates: Synthesis of Hydrazide Linked Alkynes (Ynehydrazides). Org Lett 2012; 14:540-3. [DOI: 10.1021/ol2031608] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ramsay E. Beveridge
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada
| | - Robert A. Batey
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada
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41
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DeKorver KA, Johnson WL, Zhang Y, Hsung RP, Dai H, Deng J, Lohse AG, Zhang YS. N-allyl-N-sulfonyl ynamides as synthetic precursors to amidines and vinylogous amidines. An unexpected N-to-C 1,3-sulfonyl shift in nitrile synthesis. J Org Chem 2011; 76:5092-103. [PMID: 21563776 PMCID: PMC3120114 DOI: 10.1021/jo200780x] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A detailed study of amidine synthesis from N-allyl-N-sulfonyl ynamides is described here. Mechanistically, this is a fascinating reaction consisting of diverging pathways that could lead to deallylation or allyl transfer depending upon the oxidation state of palladium catalysts, the nucleophilicity of amines, and the nature of the ligands. It essentially constitutes a Pd(0)-catalyzed aza-Claisen rearrangement of N-allyl ynamides, which can also be accomplished thermally. An observation of N-to-C 1,3-sulfonyl shift was made when examining these aza-Claisen rearrangements thermally. This represents a useful approach to nitrile synthesis. While attempts to render this 1,3-sulfonyl shift stereoselective failed, we uncovered another set of tandem sigmatropic rearrangements, leading to vinyl imidate formation. Collectively, this work showcases the rich array of chemistry one can discover using these ynamides.
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Affiliation(s)
- Kyle A. DeKorver
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
| | - Whitney L. Johnson
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
| | - Yu Zhang
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
| | - Richard P. Hsung
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
| | - Huifang Dai
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
| | - Jun Deng
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
| | - Andrew G. Lohse
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
| | - Yan-Shi Zhang
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
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Saito N, Saito K, Shiro M, Sato Y. Regio- and stereoselective synthesis of 2-amino-1,3-diene derivatives by ruthenium-catalyzed coupling of ynamides and ethylene. Org Lett 2011; 13:2718-21. [PMID: 21510622 DOI: 10.1021/ol200812y] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A ruthenium-catalyzed hydrovinylation-type cross-coupling of ynamides and ethylene proceeds via ruthenacyclopentene to give 2-aminobuta-1,3-diene derivatives in a highly regioselective manner. It was also demonstrated that 2-aminobuta-1,3-diene derivatives reacted with various dienophiles or singlet oxygen to give a cyclic enamide derivative.
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Affiliation(s)
- Nozomi Saito
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan.
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43
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Kramer S, Friis SD, Xin Z, Odabachian Y, Skrydstrup T. Metal-free halonium mediated acetate shifts of ynamides to access α-halo acrylamides/acrylimides. Org Lett 2011; 13:1750-3. [PMID: 21384821 DOI: 10.1021/ol200269h] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A metal-free acetate shift of 3-acetoxy ynamides to access α-iodo, bromo, and chloro acrylamides/acrylimides under very mild conditions is demonstrated. The inherent alkyne activation of ynamides is sufficient to ensure the α-halo acrylamides/acrylimides in high yields without the addition of a catalyst. In all cases high Z-stereoselectivity is observed.
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Affiliation(s)
- Søren Kramer
- Department of Chemistry, Center for Insoluble Protein Structures (InSpin), Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
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44
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Li H, Hsung RP, DeKorver KA, Wei Y. Copper-catalyzed Ficini [2 + 2] cycloaddition of ynamides. Org Lett 2010; 12:3780-3. [PMID: 20690601 DOI: 10.1021/ol101418d] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The Ficini [2 + 2] cycloaddition using N-sulfonyl-substituted ynamides is described, featuring the utility of CuCl(2) and AgSbF(6) as catalysts. This work represents the first successful example of ynamides participating in a thermal [2 + 2] cycloaddition with enones.
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Affiliation(s)
- Hongyan Li
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53705, USA
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45
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Jouvin K, Couty F, Evano G. Copper-catalyzed alkynylation of amides with potassium alkynyltrifluoroborates: a room-temperature, base-free synthesis of ynamides. Org Lett 2010; 12:3272-5. [PMID: 20565123 DOI: 10.1021/ol101322k] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient copper-mediated method for the coupling of potassium alkynyltrifluoroborates with nitrogen nucleophiles is reported. This reaction provides the first base-free and room-temperature synthesis of ynamides and allows for an easy preparation of these useful building blocks.
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Affiliation(s)
- Kévin Jouvin
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin en Yvelines, 45, avenue des Etats-Unis, 78035 Versailles Cedex, France
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46
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DeKorver KA, North TD, Hsung RP. An Efficient Synthesis of de novo Imidates via Aza-Claisen Rearrangements of N-Allyl Ynamides. Synlett 2010; 2010:2397-2402. [PMID: 21278848 PMCID: PMC3027154 DOI: 10.1055/s-0030-1258544] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
A novel thermal 3-aza-Claisen rearrangement of N-allyl ynamides for the synthesis of α-allyl imidates is described. Also, a sequential aza-Claisen, Pd-catalyzed Overman rearrangement is described for the synthesis of azapine-2-ones.
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Affiliation(s)
- Kyle A. DeKorver
- Division of Pharmaceutical Sciences and Department of Chemistry, 777 Highland Avenue, Rennebohm Hall, University of Wisconsin, Madison, WI 53705
| | - Troy D. North
- Division of Pharmaceutical Sciences and Department of Chemistry, 777 Highland Avenue, Rennebohm Hall, University of Wisconsin, Madison, WI 53705
| | - Richard P. Hsung
- Division of Pharmaceutical Sciences and Department of Chemistry, 777 Highland Avenue, Rennebohm Hall, University of Wisconsin, Madison, WI 53705
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