Cl[C:2]1[C:15]2[C:14](=[O:16])[C:13]3[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=3)[C:7](=[O:17])[C:6]=2[CH:5]=[CH:4][CH:3]=1.C([NH:22][C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1)CCC.C([O-])(=O)C.[Na+].[N+]([C:37]1[CH:42]=CC=[CH:39][CH:38]=1)([O-])=O>C([O-])(=O)C.[Cu+2].C([O-])(=O)C>[CH2:42]([C:2]1[C:15]2[C:14](=[O:16])[C:13]3[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=3)[C:7](=[O:17])[C:6]=2[CH:5]=[CH:4][C:3]=1[NH:22][C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1)[CH2:37][CH2:38][CH3:39]The pleochroic dye 1-butylphenylamino anthraquinone was prepared by dissolving 1-chloroanthraquinone in a 10-fold excess of 4-n butylaniline. Copper acetate and sodium acetate were added as in Example 70. Since the n-butylaniline is a solvent in this case no nitrobenzene was added. The dye, when tested as in Example 70, had an absorption maxima at 515 nm and an order parameter of 0.65.
Wird geladen…