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Green Route for the Preparation of p-Aminophenol from Nitrobenzene by Catalytic Hydrogenation in Pressurized CO2/H2O System

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Indexed by:Journal Papers

First Author:Zhang, Tingting

Correspondence Author:Jiang, JY (reprint author), Dalian Univ Technol, Fac Chem Environm & Biol Sci & Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China.

Co-author:Jiang, Jingyang,Wang, Yanhua

Date of Publication:2015-12-01

Journal:ORGANIC PROCESS RESEARCH & DEVELOPMENT

Included Journals:SCIE、EI、Scopus

Volume:19

Issue:12

Page Number:2050-2054

ISSN No.:1083-6160

Abstract:The preparation of p-aminophenol from nitrobenzene by one-pot catalytic hydrogenation and in situ acid-catalyzed Bamberger rearrangement was first realized in a pressurized CO2/H2O system. By employing Pt-Sn/Al2O3 as catalyst, nitrobenzene could be converted to p-aminophenol with selectivity as high. as 85% when the reaction was carried out at 140 degrees C under 5.5 MPa CO2 and 0.2 MPa. H-2. This new protocol is environmentally benign because it is fully rid of the use of mineral kid by the application Of self-neutralizable carbonic acid.

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