A Green and Scalable Synthesis of 1-Amino Anthraquinone
Asian Journal of Applied Chemistry Research,
1-amino anthraquinone (2) is the most important intermediate in the synthesis of acid dyes. This paper presents a new method for the preparation of title compound (2) in a highly chemo- and regioselective reduction of 1-nitro anthraquinone (1) by NaHS in water under mild conditions. This protocol is clean, operationally simple, easy work-up and could be applied in the industrial production.
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