40975-46-0

Upstream product

• 860738-19-8 1,2-sulfinyldioxy-anthraquinone 
• 72-48-0 1,2-dihydroxy-9,10-anthracenedione 
• 108-24-7 acetic anhydride 
• 1629-51-2 diacetylalizarin 
• 64-19-7 acetic acid 

Relevant academic research and scientific papers

1H and 13C NMR studies of some anthraquinones and anthracenetetrones

1H and 13C NMR chemical shifts are reported and assigned for 1,4,9,10- and 2,3,9,10-anthracenetetrone. In addition, NMR data are given for 2,3-dihydroxy-9, 10-anthraquinone, 2,3-dimethoxy-9,10-anthraquinone and 1-hydroxy-2-acetoxy-9,10-anthraquinone, encountered during the preparation of the anthracenetetrones.

Chemistry of Quinones. Part 6. The Selective Hydrolysis of α-Acetoxyanthraquinones and Related Compounds by Trifluoroacetic Acid Containing Small Amounts of Water

Acetoxy- or benzoyloxy-substituents adjacent to the carbonyl groups of anthraquinone, 1,4-naphthoquinone, naphthacene-5,12-quinone, benzophenone, and methyl benzoate are selectively converted into hydroxy-groups by treatment with trifluoroacetic acid containing small amounts of water.In the absence of water a reversible acidolysis occurs.Water reacts with the acylating agent, thus preventing the reverse reaction.Evidence is presented that the hydrolyses are of the AAC1 type.