9,10-Anthracenedione, 1,2-dinitro- → 9,10-Anthracenedione, 1,5-dinitro-
Reaction equation
[N+]([C:4]1[CH:17]=[CH:16][C:15]2[C:14](=[O:18])[C:13]3[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=3)[C:7](=[O:19])[C:6]=2[C:5]=1[N+:20]([O-:22])=[O:21])([O-])=O.[N+:23](C1C2C(=O)C3C(=CC=CC=3[N+]([O-])=O)C(=O)C=2C=CC=1)([O-:25])=[O:24]>[N+]([O-])(O)=O>[N+:20]([C:5]1[C:6]2[C:7](=[O:19])[C:8]3[C:13](=[C:12]([N+:23]([O-:25])=[O:24])[CH:11]=[CH:10][CH:9]=3)[C:14](=[O:18])[C:15]=2[CH:16]=[CH:17][CH:4]=1)([O-:22])=[O:21]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
y<50: Nitric acid ratio in the mixed acid is too low, where leaching of dinitroanthraquinone isomers soluble in nitric acid, including 1,8-dinitroanthraquinone, is not sufficient thus failing to obtain 1,5-dinitroanthraquinone of a high purity.