Bi(OTf)3‐Mediated (4+1) Annulation of α‐Sulfonyl o‐Hydroxyacetophenones with α‐Hydroxy Arylketones to Access Sulfonyl 2‐Aroylbenzofurans
In this paper, a high‐yield, facile route for the scalable synthesis of sulfonyl 2‐aroylbenzofurans via a Bi(OTf)3‐mediated intermolecular double cyclocondensation of α‐sulfonyl o‐hydroxyacetophenones with substituted α‐hydroxy arylketones under mild open‐vessel reaction conditions is described. In...
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Published in | Advanced synthesis & catalysis Vol. 363; no. 10; pp. 2594 - 2609 |
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Main Authors | , |
Format | Journal Article |
Language | English |
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18.05.2021
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Abstract | In this paper, a high‐yield, facile route for the scalable synthesis of sulfonyl 2‐aroylbenzofurans via a Bi(OTf)3‐mediated intermolecular double cyclocondensation of α‐sulfonyl o‐hydroxyacetophenones with substituted α‐hydroxy arylketones under mild open‐vessel reaction conditions is described. In the overall reaction, water is generated as the only byproduct. Various metal triflate‐promoted reactions and conditions are investigated for the efficient one‐pot (4+1) annulation reaction. |
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AbstractList | In this paper, a high‐yield, facile route for the scalable synthesis of sulfonyl 2‐aroylbenzofurans via a Bi(OTf)3‐mediated intermolecular double cyclocondensation of α‐sulfonyl o‐hydroxyacetophenones with substituted α‐hydroxy arylketones under mild open‐vessel reaction conditions is described. In the overall reaction, water is generated as the only byproduct. Various metal triflate‐promoted reactions and conditions are investigated for the efficient one‐pot (4+1) annulation reaction. In this paper, a high-yield, facile route for the scalable synthesis of sulfonyl 2-aroylbenzofurans via a Bi(OTf)(3)-mediated intermolecular double cyclocondensation of alpha-sulfonyl o-hydroxyacetophenones with substituted alpha-hydroxy arylketones under mild open-vessel reaction conditions is described. In the overall reaction, water is generated as the only byproduct. Various metal triflate-promoted reactions and conditions are investigated for the efficient one-pot (4 + 1) annulation reaction. In this paper, a high‐yield, facile route for the scalable synthesis of sulfonyl 2‐aroylbenzofurans via a Bi(OTf) 3 ‐mediated intermolecular double cyclocondensation of α‐sulfonyl o ‐hydroxyacetophenones with substituted α‐hydroxy arylketones under mild open‐vessel reaction conditions is described. In the overall reaction, water is generated as the only byproduct. Various metal triflate‐promoted reactions and conditions are investigated for the efficient one‐pot (4+1) annulation reaction. magnified image |
Author | Chang, Meng‐Yang Chen, Kuan‐Ting |
Author_xml | – sequence: 1 givenname: Meng‐Yang orcidid: 0000-0002-1983-8570 surname: Chang fullname: Chang, Meng‐Yang email: mychang@kmu.edu.tw organization: Kaohsiung Medical University Hospital – sequence: 2 givenname: Kuan‐Ting surname: Chen fullname: Chen, Kuan‐Ting organization: Kaohsiung Medical University |
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Keywords | alpha-Hydroxy Arylketones Double Cyclocondensation 2-Aroylbenzofurans (4+1) Annulation o-Hydroxyacetophenones |
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Snippet | In this paper, a high‐yield, facile route for the scalable synthesis of sulfonyl 2‐aroylbenzofurans via a Bi(OTf)3‐mediated intermolecular double... In this paper, a high‐yield, facile route for the scalable synthesis of sulfonyl 2‐aroylbenzofurans via a Bi(OTf) 3 ‐mediated intermolecular double... In this paper, a high-yield, facile route for the scalable synthesis of sulfonyl 2-aroylbenzofurans via a Bi(OTf)(3)-mediated intermolecular double... |
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SubjectTerms | (4+1) Annulation 2-Aroylbenzofurans Chemical reactions Chemistry Chemistry, Applied Chemistry, Organic Double Cyclocondensation o-Hydroxyacetophenones Organic chemistry Physical Sciences Science & Technology α-Hydroxy Arylketones |
Title | Bi(OTf)3‐Mediated (4+1) Annulation of α‐Sulfonyl o‐Hydroxyacetophenones with α‐Hydroxy Arylketones to Access Sulfonyl 2‐Aroylbenzofurans |
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