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Kumar P, Kaur N, Kumar R, Banerjee P. α ,β-Unsaturated Carbonyls for One-Pot Transition-Metal-Free Access to 3,6-Dihydro-2 H-pyrans. J Org Chem 2022; 87:7167-7178. [PMID: 35579030 DOI: 10.1021/acs.joc.2c00379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient protocol has been developed for accessing mono-, di-, and trisubstituted 3,6-dihydro-2H-pyran derivatives by simply subjecting α,β-unsaturated carbonyls to the carefully optimized Corey-Chaykovsky reaction conditions. The strategy provides selectively substituted dihydropyran derivatives in good to excellent yields with a broad substrate scope under very mild reaction conditions. Easy transformation of the final 3,6-dihydro-2H-pyran to the valued 5,6-dihydro-2H-pyran-2-one and tetrahydro-2H-pyran derivatives expanded the scope of this methodology to diverse oxacycles. Further, the developed strategy also found application in a two-step route to racemic goniothalamin, which is widely studied for its cytotoxic behavior.
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Affiliation(s)
- Pankaj Kumar
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab 140001, India
| | - Navpreet Kaur
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab 140001, India
| | - Rakesh Kumar
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab 140001, India
| | - Prabal Banerjee
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab 140001, India
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2
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Naapuri JM, Wagner PK, Hollmann F, Deska J. Enzymatic Bromocyclization of α- and γ-Allenols by Chloroperoxidase from Curvularia inaequalis. Chemistry 2022; 11:e202100236. [PMID: 34981903 PMCID: PMC8734111 DOI: 10.1002/open.202100236] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/05/2021] [Indexed: 12/21/2022]
Abstract
Vanadate-dependent chloroperoxidase from Curvularia inaequalis catalyzes 5-endo-trig bromocyclizations of α-allenols to produce valuable halofunctionalized furans as versatile synthetic building blocks. In contrast to other haloperoxidases, also the more challenging 5-exo-trig halocyclizations of γ-allenols succeed with this system even though the scope still remains more narrow. Benefitting from the vanadate chloroperoxidase's high resiliency towards oxidative conditions, cyclization-inducing reactive hypohalite species are generated in situ from bromide salts and hydrogen peroxide. Crucial requirements for high conversions are aqueous biphasic emulsions as reaction media, stabilized by either cationic or non-ionic surfactants.
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Affiliation(s)
- Janne M Naapuri
- Aalto University, Department of Chemistry, Kemistintie 1, 02150, Espoo, Finland
| | - Philip K Wagner
- Aalto University, Department of Chemistry, Kemistintie 1, 02150, Espoo, Finland.,University of Cologne, Department of Chemistry, Greinstr. 6, 50939, Köln, Germany
| | - Frank Hollmann
- Delft University of Technology, Department of Biotechnology, Van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Jan Deska
- Aalto University, Department of Chemistry, Kemistintie 1, 02150, Espoo, Finland
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3
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Alonso JM, Almendros P. Deciphering the Chameleonic Chemistry of Allenols: Breaking the Taboo of a Onetime Esoteric Functionality. Chem Rev 2021; 121:4193-4252. [PMID: 33630581 PMCID: PMC8479864 DOI: 10.1021/acs.chemrev.0c00986] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Indexed: 12/19/2022]
Abstract
The allene functionality has participated in one of the most exciting voyages in organic chemistry, from chemical curiosities to a recurring building block in modern organic chemistry. In the last decades, a special kind of allene, namely, allenol, has emerged. Allenols, formed by an allene moiety and a hydroxyl functional group with diverse connectivity, have become common building blocks for the synthesis of a wide range of structures and frequent motif in naturally occurring systems. The synergistic effect of the allene and hydroxyl functional groups enables allenols to be considered as a unique and sole functionality exhibiting a special reactivity. This Review summarizes the most significant contributions to the chemistry of allenols that appeared during the past decade, with emphasis on their synthesis, reactivity, and occurrence in natural products.
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Affiliation(s)
- José M. Alonso
- Grupo
de Lactamas y Heterociclos Bioactivos, Departamento de Química
Orgánica, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Pedro Almendros
- Instituto
de Química Orgánica General, IQOG-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
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4
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Gao L, Li Z. Synthesis of aromatic terminal allenes and aliphatic terminal alkynes from hydrazones using calcium carbide as an acetylene source. Org Chem Front 2020. [DOI: 10.1039/c9qo01400d] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple method for the selective synthesis of aromatic terminal allenes and aliphatic terminal alkynes from the reactions of calcium carbide with ketone and aldehyde p-tosylhydrazones using copper as a mediator is described.
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Affiliation(s)
- Lei Gao
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- P. R. China
| | - Zheng Li
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- P. R. China
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5
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Wang M, Khan S, Miliordos E, Chen M. Enantioselective Allenylation of Aldehydes via Brønsted Acid Catalysis. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801080] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Mengzhou Wang
- Department of Chemistry and Biochemistry; Auburn University, Auburn; AL 36849 United States
| | - Shahriar Khan
- Department of Chemistry and Biochemistry; Auburn University, Auburn; AL 36849 United States
| | - Evangelos Miliordos
- Department of Chemistry and Biochemistry; Auburn University, Auburn; AL 36849 United States
| | - Ming Chen
- Department of Chemistry and Biochemistry; Auburn University, Auburn; AL 36849 United States
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Rodriguez-Ruiz V, Carlino R, Bezzenine-Lafollée S, Gil R, Prim D, Schulz E, Hannedouche J. Recent developments in alkene hydro-functionalisation promoted by homogeneous catalysts based on earth abundant elements: formation of C-N, C-O and C-P bond. Dalton Trans 2016; 44:12029-59. [PMID: 25803322 DOI: 10.1039/c5dt00280j] [Citation(s) in RCA: 106] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This Perspective article provides an overview of the recent advancements in the field of intra- and inter-molecular C-N, C-O and C-P bond formation by hydroamination, hydroalkoxylation, hydrophosphination, hydrophosphonylation or hydrophosphinylation of unactivated alkenes, including allenes, 1,3-dienes and strained alkenes, promoted by (chiral) homogeneous catalysts based on earth abundant elements of the s and p blocks, the first row transition metals and the rare-earth metals. The relevant literature from 2009 until late 2014 has been covered.
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7
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Alcaide B, Almendros P, Luna A, Soriano E. An Alternative to Precious Metals: Hg(ClO4)2·3H2O as a Cheap and Water-Tolerant Catalyst for the Cycloisomerization of Allenols. J Org Chem 2015; 80:7050-7. [PMID: 26079496 DOI: 10.1021/acs.joc.5b00887] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Benito Alcaide
- Grupo
de Lactamas y Heterociclos Bioactivos, Departamento de Química
Orgánica I, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Pedro Almendros
- Instituto de Química Orgánica General, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
| | - Amparo Luna
- Grupo
de Lactamas y Heterociclos Bioactivos, Departamento de Química
Orgánica I, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Elena Soriano
- Instituto de Química Orgánica General, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
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Ye J, Li S, Ma S. Gorlos-Phos: addressing the stereoselectivity in palladium-catalyzed exo-mode cyclization of allenes with a nucleophilic functionality. Org Biomol Chem 2014; 11:5370-3. [PMID: 23846319 DOI: 10.1039/c3ob40983j] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel catalyst system has been indentified for addressing the long-standing issue of Z/E stereoselectivity in palladium-catalyzed exo-mode cyclization reactions of allenes bearing a nucleophilic functionality with organic halides or their equivalents. The readily accessible, sterically hindered monophosphine ligand Gorlos-Phos·HBF4 imparts a remarkable stereocontrolling ability with broad generality under Pd catalysis.
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Affiliation(s)
- Juntao Ye
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, PR China
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9
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Muñoz MP. Silver and platinum-catalysed addition of O–H and N–H bonds to allenes. Chem Soc Rev 2014; 43:3164-83. [DOI: 10.1039/c3cs60408j] [Citation(s) in RCA: 151] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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10
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Le Bras J, Muzart J. Palladium-catalysed inter- and intramolecular formation of C–O bonds from allenes. Chem Soc Rev 2014; 43:3003-40. [DOI: 10.1039/c3cs60379b] [Citation(s) in RCA: 127] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
This review highlights the Pd-catalysed formation of a C–O bond from allenes via the inter- or intramolecular reaction.
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Affiliation(s)
- Jean Le Bras
- Institut de Chimie Moléculaire de Reims
- UMR 7312
- CNRS - Université de Reims Champagne-Ardenne
- 51687 Reims Cedex 2, France
| | - Jacques Muzart
- Institut de Chimie Moléculaire de Reims
- UMR 7312
- CNRS - Université de Reims Champagne-Ardenne
- 51687 Reims Cedex 2, France
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11
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12
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Alcaide B, Almendros P, Fernández I, Campo TMD, Naranjo T. Platinum-Catalyzed Divergent Reactivity of α-Hydroxyallenes: Synthesis of Dihydrofurans and α,β-Unsaturated Ketones. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300413] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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13
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Zeng R, Ye J, Fu C, Ma S. Arene CH Bond Functionalization Coupling with Cyclization of Allenes. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300408] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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14
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Everett RK, Wolfe JP. Synthesis of Substituted 3-Hydroxy-2-Furanone Derivatives via an Unusual Enolate Wittig Rearrangement/Alkylative Cyclization Sequence. Org Lett 2013; 15:2926-9. [DOI: 10.1021/ol4009188] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Renata K. Everett
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan, 48109-1055, United States
| | - John P. Wolfe
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan, 48109-1055, United States
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15
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Lechel T, Pfrengle F, Reissig HU, Zimmer R. Three Carbons for Complexity! Recent Developments of Palladium-Catalyzed Reactions of Allenes. ChemCatChem 2013. [DOI: 10.1002/cctc.201200875] [Citation(s) in RCA: 112] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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16
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Yus M, González-Gómez JC, Foubelo F. Diastereoselective Allylation of Carbonyl Compounds and Imines: Application to the Synthesis of Natural Products. Chem Rev 2013; 113:5595-698. [DOI: 10.1021/cr400008h] [Citation(s) in RCA: 398] [Impact Index Per Article: 36.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Miguel Yus
- Departamento de Química
Orgánica, Facultad
de Ciencias and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante,
Spain
| | - José C. González-Gómez
- Departamento de Química
Orgánica, Facultad
de Ciencias and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante,
Spain
| | - Francisco Foubelo
- Departamento de Química
Orgánica, Facultad
de Ciencias and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante,
Spain
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17
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Wang Y, Ma S. Optically Active 2,3-AllenoatesviaPalladium-Catalyzed Carbonylation of Enantioenriched Propargylic Mesylates. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201200910] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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18
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Hewitt JFM, Williams L, Aggarwal P, Smith CD, France DJ. Palladium-catalyzed heteroallylation of unactivated alkenes – synthesis of citalopram. Chem Sci 2013. [DOI: 10.1039/c3sc51222c] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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19
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Wang Q, Xu Z, Fan X. Selective synthesis of oxygen-containing heterocycles via tandem reactions of 1,2-allenic ketones with ethyl 4-chloroacetoacetate. RSC Adv 2013. [DOI: 10.1039/c3ra23432k] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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20
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Stereoselective cyanation of 4-formyl and 4-imino-?-lactams: application to the synthesis of polyfunctionalized ?-lactams. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.02.062] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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21
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Alcaide B, Almendros P, Carrascosa R, Lpez R, Menndez MI. Gold-catalyzed bis-cyclization of 1,2-diol- or acetonide-tethered alkynes. Synthesis of ?-lactam-bridged acetals: a combined experimental and theoretical study. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.03.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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22
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Ye J, Fan W, Ma S. tert-Butyldimethylsilyl-Directed Highly Enantioselective Approach to Axially Chiral α-Allenols. Chemistry 2012; 19:716-20. [DOI: 10.1002/chem.201201948] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2012] [Revised: 09/06/2012] [Indexed: 11/10/2022]
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23
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Alcaide B, Almendros P, Carrascosa R. Gold-catalyzed direct cycloketalization of acetonide-tethered alkynes in the presence of water. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.09.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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24
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Regás D, Afonso MM, Palenzuela JA. Pyridines and pyridine derivatives from vinyl allenes and imines. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.09.057] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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25
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Dual reactivity of O-α-allenyl esters under palladium(0) catalysis: From carbopalladation/allylic alkylation domino sequence to decarboxylative allenylation. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.03.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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26
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Kleinke AS, Webb D, Jamison TF. Recent progress in the synthesis of oxepanes and medium ring ethers. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.05.081] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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27
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Alcaide B, Almendros P, Aragoncillo C, Callejo R, Ruiz MP, Torres MR. Regio- and diastereoselective synthesis of β-lactam-triazole hybrids via Passerini/CuAAC sequence. J Org Chem 2012; 77:6917-28. [PMID: 22812653 DOI: 10.1021/jo301113g] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Passerini (P-3CR) and Passerini-Smiles reactions were investigated in azetidine-2,3-diones, affording the corresponding 3,3-disubstituted-β-lactams with complete diastereoselectivity in high yields. The study has been carried out using different isocyanides, carboxylic acids, and phenols showing the scope of both reactions. In addition, the regioselective synthesis of highly functionalized β-lactam-triazole hybrids has been developed via a Passerini/CuAAC sequence. Interestingly, the use of dialkynes/diazides or trialkynes/triazides as linkers in the CuAAC step has allowed the synthesis of C(2) and C(3) symmetric β-lactam-triazole hybrids, respectively.
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Affiliation(s)
- Benito Alcaide
- Grupo de Lactamas y Heterociclos Bioactivos, Departamento de Química Orgánica I, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040-Madrid, Spain.
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Ramachandran PV, Nair HNG, Gagare PD. One-Pot Asymmetric Synthesis of 2- and 2,3-Disubstituted Tetrahydrofuran Derivatives. J Org Chem 2012; 77:5394-8. [PMID: 22607087 DOI: 10.1021/jo300414u] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- P Veeraraghavan Ramachandran
- Herbert C. Brown Center for Borane Research, Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907-2084, USA.
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Alcaide B, Almendros P, Aragoncillo C, Gómez-Campillos G, Arnó M, Domingo LR. Scandium-Catalyzed Preparation of Cytotoxic 3-Functionalized Quinolin-2-ones: Regioselective Ring Enlargement of Isatins or Imino Isatins. Chempluschem 2012. [DOI: 10.1002/cplu.201200090] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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30
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Zhang CP, Chen QY, Guo Y, Xiao JC, Gu YC. Progress in fluoroalkylation of organic compounds via sulfinatodehalogenation initiation system. Chem Soc Rev 2012; 41:4536-59. [PMID: 22511113 DOI: 10.1039/c2cs15352a] [Citation(s) in RCA: 167] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The sulfinatodehalogenation reaction represents one of the most important methodologies to incorporate fluorine into organic molecules. Using inexpensive sulfur-containing reactants such as Na(2)S(2)O(4) under mild conditions, per- and polyfluoroalkyl halides (R(F)X, X = Br, I, CCl(3)) can be transformed smoothly into the corresponding sulfinate salts. This method is also used for the perfluoroalkylation of alkenes, dienes, alkynes and aromatics. Notably, after 1998, the sulfinatodehalogenation of perfluoroalkyl chlorides (R(F)Cl) has been realized by using dimethylsulfoxide (DMSO) as a solvent instead of CH(3)CN/H(2)O in the Na(2)S(2)O(4)/NaHCO(3) initiation system. Perfluoroalkyl chlorides, ethyl chlorofluoroacetates and chlorodifluoroacetates, and even nonfluorinated compounds, such as ethyl chloro- or dichloroacetates and chloroform, were either converted into the corresponding sulfinate salts or alkylated alkenes, alkynes and aromatics (including porphyrins). The sulfinatodehalogenation reaction has remarkable advantages. With the increasing demands to utilize the unique properties of fluorine and fluorinated functional groups in medicinal, agricultural and material sciences, we believe that there will continue to be useful developments in sulfinatodehalogenation chemistry and it will be applied more widely in the future.
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Affiliation(s)
- Cheng-Pan Zhang
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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31
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Alcaide B, Almendros P, Aragoncillo C, Callejo R, Ruiz MP, Torres MR. Diastereoselective Synthesis of β-Lactam-Oxindole Hybrids Through a Three-Component Reaction of Azetidine-2,3-diones, α-Diazo-oxindoles, and Alcohols Catalyzed by [Rh2(OAc)4]. European J Org Chem 2012. [DOI: 10.1002/ejoc.201101625] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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32
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Allenes in Catalytic Asymmetric Synthesis and Natural Product Syntheses. Angew Chem Int Ed Engl 2012; 51:3074-112. [DOI: 10.1002/anie.201101460] [Citation(s) in RCA: 758] [Impact Index Per Article: 63.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Indexed: 02/06/2023]
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Yu S, Ma S. Allene in katalytischer asymmetrischer Synthese und Naturstoffsynthese. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201101460] [Citation(s) in RCA: 254] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Grigg R, Elboray EE, Aly MF, Abbas-Temirek HH. Exploiting adamantane as a versatile organic tecton: multicomponent catalytic cascade reactions. Chem Commun (Camb) 2012; 48:11504-6. [DOI: 10.1039/c2cc35054h] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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35
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Alcaide B, Almendros P, Alonso JM, Fernández I. Palladium-catalyzed carbocyclization–cross-coupling reactions of two different allenic moieties: synthesis of 3-(buta-1,3-dienyl) carbazoles and mechanistic insights. Chem Commun (Camb) 2012; 48:6604-6. [DOI: 10.1039/c2cc32015k] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Alcaide B, Almendros P, Martínez del Campo T. Direct allenol-based stereocontrolled access to substituted (E)-1,3-enynes. Org Biomol Chem 2012; 10:7603-9. [DOI: 10.1039/c2ob26085a] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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37
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Chen B, Wang N, Fan W, Ma S. Efficient synthesis of N-(buta-2,3-dienyl) amides from terminal N-propargyl amides and their synthetic potential towards oxazoline derivatives. Org Biomol Chem 2012; 10:8465-70. [DOI: 10.1039/c2ob26291f] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Reisinger CM, Rivera-Fuentes P, Lampart S, Schweizer WB, Diederich F. Cascade Pericyclic Reactions of Alleno-Acetylenes: Facile Access to Highly Substituted Cyclobutene, Dendralene, Pentalene, and Indene Skeletons. Chemistry 2011; 17:12906-11. [DOI: 10.1002/chem.201102852] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Alcaide B, Almendros P, Luna A, Cembellín S, Arnó M, Domingo LR. Controlled Rearrangement of Lactam-Tethered Allenols with Brominating Reagents: A Combined Experimental and Theoretical Study on α- versus β-Keto Lactam Formation. Chemistry 2011; 17:11559-66. [DOI: 10.1002/chem.201101160] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2011] [Indexed: 11/06/2022]
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Alcaide B, Almendros P, Alonso JM, Quirós MT, Gadziński P. Gold- or Palladium-Catalyzed Allene Carbocyclization/Functionalization: Simple and Efficient Synthesis of Carbazoles. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100209] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Cheng J, Jiang X, Zhu C, Ma S. Palladium-Catalyzed Three-Component Tandem Cyclization Reaction of 2-(2,3-Allenyl)acylacetates, Organic Halides, and Amines: An Effective Protocol for the Synthesis of 4,5-Dihydro-1H-pyrrole Derivatives. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100002] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Chen D, Chen X, Lu Z, Cai H, Shen J, Zhu G. Palladium-Catalyzed Dienylation of Haloalkynes using 2,3-Butadienyl Acetates: A Facile Access to (1Z)-1,2-Dihalo- 3-vinyl-1,3-dienes. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100113] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Alcaide B, Almendros P, Carrascosa R. Straightforward Synthesis of Bridged Azaoxa Skeletons: Gold-Catalyzed Aminoketalization of Garner’s Aldehyde-Derived Alkynes. Chemistry 2011; 17:4968-71. [DOI: 10.1002/chem.201100139] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Revised: 02/15/2011] [Indexed: 11/11/2022]
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Krause N, Winter C. Gold-Catalyzed Nucleophilic Cyclization of Functionalized Allenes: A Powerful Access to Carbo- and Heterocycles. Chem Rev 2011; 111:1994-2009. [DOI: 10.1021/cr1004088] [Citation(s) in RCA: 1049] [Impact Index Per Article: 80.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Norbert Krause
- Dortmund University of Technology, Organic Chemistry, Otto-Hahn-Strasse 6, D-44227 Dortmund, Germany
| | - Christian Winter
- Dortmund University of Technology, Organic Chemistry, Otto-Hahn-Strasse 6, D-44227 Dortmund, Germany
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