HClO4‐SiO2: An Efficient and Useful Catalyst for the Synthesis of 3‐Aryl‐2H‐benzo[1,4]oxazine |
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| Authors: | Bita Baghernejad Majid M Heravi Hossein A Oskooie |
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| Institution: | 1. Department of Chemistry, School of Science, Azzahra University, Vanak, Tehran, Iran;2. Tel.: 00982188041344;3. Fax: 00982188047861 |
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| Abstract: | HClO4‐SiO2, efficiently catalyzed the condensation of o‐aminophenols and 2‐bromo‐1‐aryl‐ethanones to yield 3‐aryl‐2H‐benzo1,4]oxazines in good yields. |
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| Keywords: | HClO4‐SiO2 3‐aryl‐2H‐benzo[1 4]oxazine o‐aminophenol |
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