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A simple conversion of azlactones into indenones via H3PW12O40/Al2O3 catalyzed intramolecular Friedel-Crafts reaction |
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| Authors: | Mahboubeh RostamiAhmad R Khosropour Valiollah MirkhaniMajid Moghadam Shahram TangestaninejadIraj Mohammadpoor-Baltork |
| Institution: | Catalysis Division, Department of Chemistry, Faculty of Science, University of Isfahan, Isfahan 81746-7344, Iran |
| 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. |
| Keywords: | Indenones Azlactones Intramolecular Friedel-Crafts reaction Microwave irradiation H3PW12O40/Al2O3 |
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