P-aminophenol , abbreviated as PAP, is an important organic fine chemical and medicine intermediate. It mainly applies to the production of medicines, dyes developing agents and so on. At present the methods of PAP production mainly include:(l) P-nitrophenol powdered iron reduction method;(2) p-nitrophenol catalytic hydrogenation method;(3)nitrobenzene catalytic hydrogenation method;(4) nitrobenzene direct electroreduction method in domestic and abroad. The nitrobenzene electroreduction method has the merit...
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