1
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Puet A, Giona E, Domínguez G, Pérez-Castells J. One Pot Synthesis of Spirocycles and Cyclopropa[ b]pyrans by Alkenylation-Rearrangement of Cyclopropenes. J Org Chem 2022; 87:12470-12476. [PMID: 36041735 DOI: 10.1021/acs.joc.2c01420] [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 one pot alkenylation followed by a stereoselective Alder-ene cycloisomerization of cyclopropenes give (aza)spiro[2.4]heptanes and spiro[2.5]octanes in high yields. Total trans diastereoselectivity is achieved for spiro[2.4]heptanes if the cyclopropene is monosubstituted in C3. When an α,β-unsaturatedcarbonyl-containing bromide is used, an alternative cyclization takes place giving cyclopenta[c]cyclopropa[b]pyrans.
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Affiliation(s)
- Alejandro Puet
- Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660 Boadilla del Monte, Madrid, Spain
| | - Eleonora Giona
- Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660 Boadilla del Monte, Madrid, Spain
| | - Gema Domínguez
- Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660 Boadilla del Monte, Madrid, Spain
| | - Javier Pérez-Castells
- Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660 Boadilla del Monte, Madrid, Spain
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2
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Coto D, Barbolla I, Vicente R. Catalytic cyclopropanation reactions with α-silyl-, germanyl- and stannyl carbenes generated from cyclopropenes. Chem Commun (Camb) 2022; 58:8416-8419. [PMID: 35796243 DOI: 10.1039/d2cc03338k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Silylcyclopropenes are employed as precursors of α-silyl vinyl carbenes and trapped with alkenes. Cyclopropylsilanes were obtained in good yields with ample scope and complete regio- and diastereoselectivity. Stereoretentive protodesilylations enabled access to cis-1,2-disubstituted cyclopropanes. Cyclopropylstannanes and -germanes can also be prepared from the corresponding cyclopropenes.
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Affiliation(s)
- Darío Coto
- Departamento de Química Orgánica e Inorgánica and Instituto Universitario de Química Organometálica "Enrique Moles" Universidad de Oviedo C/Julian Clavería 8, 33006, Oviedo, Spain.
| | - Iratxe Barbolla
- Departamento de Química Orgánica e Inorgánica and Instituto Universitario de Química Organometálica "Enrique Moles" Universidad de Oviedo C/Julian Clavería 8, 33006, Oviedo, Spain. .,Departamento de Química Orgánica e Inorgánica, Universidad del País Vasco, Apto. 644, 48080, Bilbao, Spain
| | - Rubén Vicente
- Departamento de Química Orgánica e Inorgánica and Instituto Universitario de Química Organometálica "Enrique Moles" Universidad de Oviedo C/Julian Clavería 8, 33006, Oviedo, Spain.
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3
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Puet A, Domínguez G, Pérez-Castells J. Straightforward Synthesis of Highly Functionalized Indanes and Tetralines through Ene-Cyclopropene Rearrangement Mediated by Ruthenium. J Org Chem 2022; 87:2686-2696. [PMID: 35119843 DOI: 10.1021/acs.joc.1c02636] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Ene-cyclopropenes give functionalized indanes and tetralines in the presence of ruthenium dimeric catalysts. This reaction involves the cyclopropene opening by the metal catalysts with a different regioselectivity respective to gold chlorides and produces totally different products than when using semisandwich ruthenium complexes. Here, the process leads to a bridged 7-oxanorbornene-type intermediate that is converted into a functionalized aromatic ring through deoxygenative aromatization. Alternative reaction pathways occur with substrates with no possible aromatization.
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Affiliation(s)
- Alejandro Puet
- Department of Chemistry and Biochemistry Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660 Boadilla del Monte, Madrid, Spain
| | - Gema Domínguez
- Department of Chemistry and Biochemistry Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660 Boadilla del Monte, Madrid, Spain
| | - Javier Pérez-Castells
- Department of Chemistry and Biochemistry Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660 Boadilla del Monte, Madrid, Spain
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4
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Chen J, Han J, Wu T, Zhang J, Li M, Xu Y, Zhang J, Jiao Y, Yang Y, Jiang Y. Stereoselective Cyclopropanation of Enamides via C―C Bond Cleavage of Cyclopropenes. Org Chem Front 2022. [DOI: 10.1039/d2qo00091a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work describes a straightforward protocol for the stereoselective synthesis of vinylcyclopropylamides in high E/Z and syn/anti ratios by cyclopropanation of N-tosyl substituted enamides with cyclopropenes in the presence of...
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5
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Computational Investigations on the Transition-Metal-Catalyzed Cross-Coupling of Enynones with Diazo Compounds. Top Catal 2021. [DOI: 10.1007/s11244-021-01484-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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6
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Deng Y, Zhang J, Bankhead B, Markham JP, Zeller M. Photoinduced oxidative cyclopropanation of ene-ynamides: synthesis of 3-aza[ n.1.0]bicycles via vinyl radicals. Chem Commun (Camb) 2021; 57:5254-5257. [PMID: 33973595 DOI: 10.1039/d1cc02016a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The first photoinduced synthesis of polyfunctionalized 3-aza[n.1.0]bicycles from readily available ene-ynamides and 2,6-lutidine N-oxide using an organic acridinium photocatalyst is reported. Applying a photocatalytic strategy to the reactive distonic cation vinyl radical intermediate from ynamide, a series of bio-valuable 3-azabicycles, including diverse 3-azabicyclio[4.1.0]heptanes and 3-azabicyclo[5.1.0]octanes that are challenging to accomplish using traditional methods, have been successfully synthesized in good to high yields under mild and metal-free conditions. Mechanistic studies are consistent with the photocatalyzed single-electron oxidation of ene-ynamide and the intermediacy of a putative cationic vinyl radical in this transformation. Importantly, this strategy provides new access to the development of photocatalytic vinyl radical cascades for the synthesis of structurally sophisticated substrates.
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Affiliation(s)
- Yongming Deng
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, 402 N Blackford St, Indianapolis, Indiana 46202, USA.
| | - Jason Zhang
- Chemistry Department, Western Kentucky University, Bowling Green, KY 42101, USA
| | - Bradley Bankhead
- Chemistry Department, Western Kentucky University, Bowling Green, KY 42101, USA
| | - Jonathan P Markham
- Chemistry Department, Western Kentucky University, Bowling Green, KY 42101, USA
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7
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Bodinier F, Sanogo Y, Ardisson J, Lannou MI, Sorin G. Low-valent dialkoxytitanium(ii): a useful tool for the synthesis of functionalized seven-membered ring compounds. Chem Commun (Camb) 2021; 57:3603-3606. [PMID: 33710225 DOI: 10.1039/d1cc00081k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we describe unprecedented access to all-carbon or heterocyclic seven-membered ring frameworks from 1,8-ene-ynes promoted by inexpensive low-valent titanium(ii) species, readily available from Ti(OiPr)4 and Grignard reagent. A broad range of cycloheptane, azepane or oxepane derivatives has been obtained (19 examples) with moderate to good yields and an excellent selectivity (up to 95/5 d.r.).
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Affiliation(s)
- Florent Bodinier
- Unité CNRS UMR 8038 Université de Paris, Faculté de Pharmacie, Sorbonne Paris Cité, 4 avenue de l'Observatoire, 75270 Paris Cedex 06, France.
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8
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Li D, Zang W, Bird MJ, Hyland CJT, Shi M. Gold-Catalyzed Conversion of Highly Strained Compounds. Chem Rev 2020; 121:8685-8755. [DOI: 10.1021/acs.chemrev.0c00624] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Deyao Li
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032 China
| | - Wenqing Zang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032 China
| | - Melissa J. Bird
- School of Chemistry and Molecular Bioscience, Molecular Horizons Research Institute, University of Wollongong,Wollongong New South Wales 2500, Australia
| | - Christopher J. T. Hyland
- School of Chemistry and Molecular Bioscience, Molecular Horizons Research Institute, University of Wollongong,Wollongong New South Wales 2500, Australia
| | - Min Shi
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032 China
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9
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Abstract
Three- and four-membered rings, widespread motifs in nature and medicinal chemistry, have fascinated chemists ever since their discovery. However, due to energetic considerations, small rings are often difficult to assemble. In this regard, homogeneous gold catalysis has emerged as a powerful tool to construct these highly strained carbocycles. This review aims to provide a comprehensive summary of all the major advances and discoveries made in the gold-catalyzed synthesis of cyclopropanes, cyclopropenes, cyclobutanes, cyclobutenes, and their corresponding heterocyclic or heterosubstituted analogs.
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Affiliation(s)
- Mauro Mato
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
| | - Allegra Franchino
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
| | - Cristina Garcı A-Morales
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
| | - Antonio M Echavarren
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
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10
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Lv K, Dai P, Bao X. Mechanistic Understanding of the Pd(0)-Catalyzed Coupling Cyclization of 1,2-Allenyl Ketones with Aryl Halides: A Computational Study. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02941] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Kang Lv
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
- Department of Chemistry and Chemical Engineering, Jining University, Qufu, Shandong 273155, China
| | - Ping Dai
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Xiaoguang Bao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
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11
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Prasad Raiguru B, Nayak S, Ranjan Mishra D, Das T, Mohapatra S, Priyadarsini Mishra N. Synthetic Applications of Cyclopropene and Cyclopropenone: Recent Progress and Developments. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000193] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
| | - Sabita Nayak
- Department of ChemistryRavenshaw University Cuttack Odisha India
| | | | - Tapaswini Das
- Department of ChemistryRavenshaw University Cuttack Odisha India
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12
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Vicente R. C–C Bond Cleavages of Cyclopropenes: Operating for Selective Ring-Opening Reactions. Chem Rev 2020; 121:162-226. [DOI: 10.1021/acs.chemrev.0c00151] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Rubén Vicente
- Facultad de Quı́mica, Departamento de Quı́mica Orgánica e Inorgánica, Instituto de Quı́mica Organometálica Enrique Moles, Universidad de Oviedo, 33006 Oviedo, Spain
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13
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Wübbolt S, Cheong CB, Frost JR, Christensen KE, Donohoe TJ. A Vinyl Cyclopropane Ring Expansion and Iridium-Catalyzed Hydrogen Borrowing Cascade. Angew Chem Int Ed Engl 2020; 59:11339-11344. [PMID: 32314851 PMCID: PMC7463175 DOI: 10.1002/anie.202003614] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 03/31/2020] [Indexed: 12/18/2022]
Abstract
A vinyl cyclopropane rearrangement embedded in an iridium-catalyzed hydrogen borrowing reaction enabled the formation of substituted stereo-defined cyclopentanes from Ph* methyl ketone and cyclopropyl alcohols. Mechanistic studies provide evidence for the ring-expansion reaction being the result of a cascade based on oxidation of the cyclopropyl alcohols, followed by aldol condensation with the pentamethyl phenyl-substituted ketone to form an enone containing the vinyl cyclopropane. Subsequent single electron transfer (SET) to this system initiates a rearrangement, and the catalytic cycle is completed by reduction of the new enone. This process allows for the efficient formation of diversely substituted cyclopentanes as well as the construction of complex bicyclic carbon skeletons containing up to four contiguous stereocentres, all with high diastereoselectivity.
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Affiliation(s)
- Simon Wübbolt
- Chemistry Research LaboratoryUniversity of OxfordOxfordOX1 3TAUK
| | | | - James R. Frost
- Chemistry Research LaboratoryUniversity of OxfordOxfordOX1 3TAUK
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14
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Wübbolt S, Cheong CB, Frost JR, Christensen KE, Donohoe TJ. A Vinyl Cyclopropane Ring Expansion and Iridium‐Catalyzed Hydrogen Borrowing Cascade. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003614] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Simon Wübbolt
- Chemistry Research Laboratory University of Oxford Oxford OX1 3TA UK
| | - Choon Boon Cheong
- Chemistry Research Laboratory University of Oxford Oxford OX1 3TA UK
| | - James R. Frost
- Chemistry Research Laboratory University of Oxford Oxford OX1 3TA UK
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15
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Abstract
As readily accessible strained carbocycles, cyclopropenes show a diverse range of reactivities, and a lot of novel and useful transformations have been developed.
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Affiliation(s)
- Penghua Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Xiaoyu Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
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16
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Muriel B, Gagnebin A, Waser J. Synthesis of bicyclo[3.1.0]hexanes by (3 + 2) annulation of cyclopropenes with aminocyclopropanes. Chem Sci 2019; 10:10716-10722. [PMID: 32110351 PMCID: PMC7006509 DOI: 10.1039/c9sc03790j] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 10/07/2019] [Indexed: 12/11/2022] Open
Abstract
We report the convergent synthesis of bicyclo[3.1.0]hexanes possessing an all-carbon quaternary center via a (3 + 2) annulation of cyclopropenes with cyclopropylanilines. Using an organic or an iridium photoredox catalyst and blue LED irradiation, good yields were obtained for a broad range of cyclopropene and cyclopropylaniline derivatives. The reaction was highly diastereoselective when using difluorocyclopropenes together with a removable substituent on the cyclopropylaniline, giving access to important building blocks for medicinal chemistry. With efficient methods existing for the synthesis of both reaction partners, our method grants a fast access to highly valuable bicyclic scaffolds with three contiguous stereocenters.
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Affiliation(s)
- Bastian Muriel
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
| | - Alec Gagnebin
- 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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Konishi K, Takeda N, Yasui M, Matsuzaki H, Miyata O, Ueda M. Copper-Catalyzed Cycloisomerization of Cyclopropenylimine for Synthesis of Pyrroles. J Org Chem 2019; 84:14320-14329. [PMID: 31558020 DOI: 10.1021/acs.joc.9b02178] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Copper-catalyzed cycloisomerization of 3-iminocyclopropenes for synthesis of pyrroles has been developed. The reaction allows regioselective construction of pyrroles with various substitution patterns, including fully substituted pyrroles. The method was successfully applied to synthesis of steroidal pyrroles as well as a N-fused pyrrole.
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Affiliation(s)
- Keiji Konishi
- Kobe Pharmaceutical University, Motoyamakita , Higashinada, Kobe 658-8558 , Japan
| | - Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita , Higashinada, Kobe 658-8558 , Japan
| | - Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita , Higashinada, Kobe 658-8558 , Japan
| | - Haruo Matsuzaki
- Kobe Pharmaceutical University, Motoyamakita , Higashinada, Kobe 658-8558 , Japan
| | - Okiko Miyata
- Kobe Pharmaceutical University, Motoyamakita , Higashinada, Kobe 658-8558 , Japan
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita , Higashinada, Kobe 658-8558 , Japan
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