Abstract
The Bamberger rearrangement of N-aryllhydroxylamine was first realized in a CO2–H2O system. The yield of p-aminophenol was 80% when N-phenylhydroxylamine was heated at 100 °C for 1 h under 4 MPa CO2. The process fully avoids the need of inorganic strong acid and is environmentally benign.
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