Environment-friendly preparation method of 2-chloro-4-nitro-6-bromoaniline

A preparation method of 2-chloro-4-nitro-6-bromoaniline comprises the following steps: (a) carrying out mixed acid nitration on o-dichlorobenzene, and continuing to apply the generated waste acid to anext nitration reaction; (b) purifying the obtained nitration product in an alcohol solvent to obtai...

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Bibliographische Detailangaben
Hauptverfasser: GU GAOWEI, CHEN BAOXING, HUANG ZHONG, GAO LIJIANG
Format: Patent
Sprache:chi ; eng
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