Preparation of 1-amino-anthraquinone

Details Preparation of 1-amino-anthraquinone Preparation of 1-amino-anthraquinone

C - Chemistry, Metallurgy

09

B

260/236.32

C09B 1/22 (2006.01) C09B 1/16 (2006.01)

Patent

CA 1049007

Preparation of 1-amino-anthraquinone Abstract of the Disclosure In the saponification of 1-acetamino-anthraquinone to produce the corresponding 1-amino-anthraquinone, the improve- ment which comprises effecting the saponification with aqueous alkali such as a hydroxide, oxide or carbonate of an alkali metal or an oxide or hydroxide of an alkaline earth metal. The sapon- ification is effected in water, which may contain an organic sol- vent such as alcohol. - 1 -

248701

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