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A simple conversion of azlactones into indenones via H3PW12O40/Al2O3 catalyzed intramolecular Friedel–Crafts reaction

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Title: A simple conversion of azlactones into indenones via H3PW12O40/Al2O3 catalyzed intramolecular Friedel–Crafts reaction
Authors: Rostami, Mahboubeh1, Khosropour, Ahmad R. khosropour@chem.ui.ac.ir, Mirkhani, Valiollah, Moghadam, Majid1, Tangestaninejad, Shahram1, Mohammadpoor-Baltork, Iraj1
Source: Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry. Dec2011, Vol. 52 Issue 52, p7149-7152. 4p.
Subjects: Organic synthesis, Lactones, Catalysis, Friedel-Crafts reaction, Benzamide, Irradiation, Microwaves
Abstract: Abstract: A rapid and simple procedure for the synthesis of the indenone derivatives, N-(1-oxo-1H-inden-2-yl)benzamides, via intramolecular Friedel–Crafts (IFC) reaction of (Z)-4-arylidene-2-phenyl-5(4)-oxazolones (azlactones) catalyzed by H3PW12O40 supported on neutral alumina under microwave irradiation has been developed. The reaction is straightforward and allows easy isolation of the product. The catalyst could be re-used up to four times after simple filtration. [Copyright &y& Elsevier]
Copyright of Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 67622878
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: <searchLink fieldCode="JN" term="%22Tetrahedron+Letters%3A+International+Organ+for+the+Rapid+Publication+of+Preliminary+Communications+in+Organic+Chemistry%22">Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry</searchLink>. Dec2011, Vol. 52 Issue 52, p7149-7152. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Organic+synthesis%22">Organic synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Lactones%22">Lactones</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysis%22">Catalysis</searchLink><br /><searchLink fieldCode="DE" term="%22Friedel-Crafts+reaction%22">Friedel-Crafts reaction</searchLink><br /><searchLink fieldCode="DE" term="%22Benzamide%22">Benzamide</searchLink><br /><searchLink fieldCode="DE" term="%22Irradiation%22">Irradiation</searchLink><br /><searchLink fieldCode="DE" term="%22Microwaves%22">Microwaves</searchLink>
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  Label: Abstract
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  Data: Abstract: A rapid and simple procedure for the synthesis of the indenone derivatives, N-(1-oxo-1H-inden-2-yl)benzamides, via intramolecular Friedel–Crafts (IFC) reaction of (Z)-4-arylidene-2-phenyl-5(4)-oxazolones (azlactones) catalyzed by H3PW12O40 supported on neutral alumina under microwave irradiation has been developed. The reaction is straightforward and allows easy isolation of the product. The catalyst could be re-used up to four times after simple filtration. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.tetlet.2011.10.120
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      – Code: eng
        Text: English
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        PageCount: 4
        StartPage: 7149
    Subjects:
      – SubjectFull: Organic synthesis
        Type: general
      – SubjectFull: Lactones
        Type: general
      – SubjectFull: Catalysis
        Type: general
      – SubjectFull: Friedel-Crafts reaction
        Type: general
      – SubjectFull: Benzamide
        Type: general
      – SubjectFull: Irradiation
        Type: general
      – SubjectFull: Microwaves
        Type: general
    Titles:
      – TitleFull: A simple conversion of azlactones into indenones via H3PW12O40/Al2O3 catalyzed intramolecular Friedel–Crafts reaction
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            NameFull: Rostami, Mahboubeh
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            NameFull: Khosropour, Ahmad R.
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            NameFull: Mirkhani, Valiollah
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            NameFull: Moghadam, Majid
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            NameFull: Tangestaninejad, Shahram
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            NameFull: Mohammadpoor-Baltork, Iraj
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            – D: 28
              M: 12
              Text: Dec2011
              Type: published
              Y: 2011
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              Value: 52
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            – TitleFull: Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry
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