发明授权
US4034042A Process for the production of 4-nitroso-diphenylamine 失效
生产4-亚硝基二苯胺的方法

Process for the production of 4-nitroso-diphenylamine
摘要:
Object of the invention is a process for the production of 4-nitroso diphenylamine wherein N-nitroso diphenylamine is rearranged in the presence of an alcoholic hydrogen chloride solution by selecting the reaction conditions in such a way that the hydrochloride of 4-nitroso diphenylamine remains dissolved in the reaction medium. In this way spontaneous, uncontrollable decompositions do not occur.
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