Gao Kun-yu
2003
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Journal
Dyestuffs and coloration
Abstract
The reduction of 5-acetamido-2-methoxynitrobenzene with hydrazine hydrate in the presence of a catalyst was investigated and the reaction mixture was analyzed by HPLC on reverse-phase Cm. The conversion of 5-acetamido-2-methoxynitrobenzene reached 99% when the molar ratio of n(C6H4NHCOCH3(OCH3)NO2): n(N2H4H2O) was 1: 1.5, the ratio of 5-acetamido-2-methoxynitrobenzene to catalyst was 1 mol :20g, and the temperature was 80℃ for 6 hrs. The only reduction product was 5-acetamido-2-aminoanisole; no corresponding nitroso or hydroxylamine intermediates were detected.