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Heredia MD, Guerra WD, Barolo SM, Fornasier SJ, Rossi RA, Budén ME. Transition-Metal-Free and Visible-Light-Mediated Desulfonylation and Dehalogenation Reactions: Hantzsch Ester Anion as Electron and Hydrogen Atom Donor. J Org Chem 2020; 85:13481-13494. [DOI: 10.1021/acs.joc.0c01523] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Micaela D. Heredia
- INFIQC, Facultad de Ciencias Quı́micas, Universidad Nacional de Córdoba, X5000HUA Córdoba, Argentina
| | - Walter D. Guerra
- INFIQC, Facultad de Ciencias Quı́micas, Universidad Nacional de Córdoba, X5000HUA Córdoba, Argentina
| | - Silvia M. Barolo
- INFIQC, Facultad de Ciencias Quı́micas, Universidad Nacional de Córdoba, X5000HUA Córdoba, Argentina
| | - Santiago J. Fornasier
- INFIQC, Facultad de Ciencias Quı́micas, Universidad Nacional de Córdoba, X5000HUA Córdoba, Argentina
| | - Roberto A. Rossi
- INFIQC, Facultad de Ciencias Quı́micas, Universidad Nacional de Córdoba, X5000HUA Córdoba, Argentina
| | - María E. Budén
- INFIQC, Facultad de Ciencias Quı́micas, Universidad Nacional de Córdoba, X5000HUA Córdoba, Argentina
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McDonald CE, Bendorf HD, Mauck JR, McAtee CC, Green AI, Ciccarelli DJ, Bendyk CA, Conrad BJ, Delgado AT. The SmI 2/TEU --Mediated Cyclization of Unsaturated Halides. Org Lett 2020; 22:5685-5689. [PMID: 32603130 DOI: 10.1021/acs.orglett.0c02074] [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
The combination of SmI2 and the conjugate base of triethylurea (TEU-) has been shown to favor the cyclization of unsaturated halides over direct reduction to a much greater extent than other SmI2-based reductants. Aryl, heteroaryl, and alkyl halides (X = Br, Cl, F) readily undergo heterocyclization and carbocyclization in the presence of SmI2/TEU-.
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Affiliation(s)
- Chriss E McDonald
- Department of Chemistry, Lycoming College, One College Place, Williamsport, Pennsylvania 17701, United States
| | - Holly D Bendorf
- Department of Chemistry, Lycoming College, One College Place, Williamsport, Pennsylvania 17701, United States
| | - Joseph R Mauck
- Department of Chemistry, Lycoming College, One College Place, Williamsport, Pennsylvania 17701, United States
| | - Christopher C McAtee
- Department of Chemistry, Lycoming College, One College Place, Williamsport, Pennsylvania 17701, United States
| | - Ahren I Green
- Department of Chemistry, Lycoming College, One College Place, Williamsport, Pennsylvania 17701, United States
| | - David J Ciccarelli
- Department of Chemistry, Lycoming College, One College Place, Williamsport, Pennsylvania 17701, United States
| | - Cassandra A Bendyk
- Department of Chemistry, Lycoming College, One College Place, Williamsport, Pennsylvania 17701, United States
| | - Brandon J Conrad
- Department of Chemistry, Lycoming College, One College Place, Williamsport, Pennsylvania 17701, United States
| | - Angelique T Delgado
- Department of Chemistry, Lycoming College, One College Place, Williamsport, Pennsylvania 17701, United States
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Xie Q, Wang T, Wu S, Guo W, Zhang H, Wang J. A stable ruthenium complex bearing a 1,2-dicarbadodecaborane(12)-1,2-dithiolate ligand and its activation for olefin metathesis. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.02.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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4
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Caminos DA, Puiatti M, Bardagí JI, Peñéñory AB. Anions involved in the initiation of the thermally induced SRN1 reaction for α-arylation of ketones. RSC Adv 2017. [DOI: 10.1039/c7ra05156e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
In the SRN1 reaction between acetophenone enolate and PhI with tBuOK in DMSO under microwave irradiation, three anions present in solution act as the electron donor for the ET in the initiation step of the radical chain.
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Affiliation(s)
- Daniel A. Caminos
- INFIQC – CONICET
- Instituto de Investigaciones en Fisicoquímica de Córdoba
- Departamento de Química Orgánica
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
| | - Marcelo Puiatti
- INFIQC – CONICET
- Instituto de Investigaciones en Fisicoquímica de Córdoba
- Departamento de Química Orgánica
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
| | - Javier Ivan Bardagí
- INFIQC – CONICET
- Instituto de Investigaciones en Fisicoquímica de Córdoba
- Departamento de Química Orgánica
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
| | - Alicia B. Peñéñory
- INFIQC – CONICET
- Instituto de Investigaciones en Fisicoquímica de Córdoba
- Departamento de Química Orgánica
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
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5
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Qiu G, Li Y, Wu J. Recent developments for the photoinduced Ar–X bond dissociation reaction. Org Chem Front 2016. [DOI: 10.1039/c6qo00103c] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Caminos DA, Garro AD, Soria-Castro SM, Peñéñory AB. Microwave role in the thermally induced SRN1 reaction for α-arylation of ketones. RSC Adv 2015. [DOI: 10.1039/c4ra17055e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Microwave irradiation promotes nucleophilic substitution by thermally induced electron transfer mechanism.
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Affiliation(s)
- Daniel A. Caminos
- INFIQC
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
- Ciudad Universitaria
- X5000HUA Córdoba
| | - Alexis D. Garro
- INFIQC
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
- Ciudad Universitaria
- X5000HUA Córdoba
| | - Silvia M. Soria-Castro
- INFIQC
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
- Ciudad Universitaria
- X5000HUA Córdoba
| | - Alicia B. Peñéñory
- INFIQC
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
- Ciudad Universitaria
- X5000HUA Córdoba
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Soria-Castro SM, Caminos DA, Peñéñory AB. An expedient route to heterocycles through α-arylation of ketones and arylamides by microwave induced thermal SRN1 reactions. RSC Adv 2014. [DOI: 10.1039/c4ra00120f] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Quick reaction by microwave irradiation promotes nucleophilic substitution by thermally induced electron transfer mechanism and allows to synthesize deoxibenzoin and indol heterocycles derivates by inter or intramolecular ring closure.
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Affiliation(s)
- Silvia M. Soria-Castro
- INFIQC
- Dpto. de Química Orgánica
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
- Ciudad Universitaria
| | - Daniel A. Caminos
- INFIQC
- Dpto. de Química Orgánica
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
- Ciudad Universitaria
| | - Alicia B. Peñéñory
- INFIQC
- Dpto. de Química Orgánica
- Facultad de Ciencias Químicas
- Universidad Nacional de Córdoba
- Ciudad Universitaria
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McDonald CE, Ramsey JR, Sampsell DG, Anderson LA, Krebs JE, Smith SN. Dipyrrolidinomethylaminophosphoric acid triamide (DPMPA) as an activator for the samarium diiodide-mediated reduction of alkyl and aryl halides. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.02.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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