[CH3:1][C:2]1([CH3:25])C2[C:11](=[CH:12][CH:13]=NC=2)[N:10]2[C:17]3[C:7]([C:8]4[CH:21]=[C:20](B(O)O)[CH:19]=[CH:18][C:9]=42)=[CH:6][CH:5]=[CH:4][C:3]1=3.Cl[C:27]1[N:32]=[C:31]([C:33]2[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=2)[N:30]=[C:29]([C:39]2[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=2)[N:28]=1.P([O-])([O-])([O-])=O.[K+].[K+].[K+].[C:53]1(C)[CH:58]=CC=C[C:54]=1P(C1C=CC=CC=1C)C1C=CC=CC=1C>C1(C)C=CC=CC=1.C([O-])(=O)C.[Pd+2].C([O-])(=O)C.O.O1CCOCC1>[C:39]1([C:29]2[N:30]=[C:31]([C:33]3[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=3)[N:32]=[C:27]([C:20]3[CH:21]=[C:8]4[C:9]5=[C:18]([C:12]6[CH:13]=[CH:54][CH:53]=[CH:58][C:11]=6[N:10]5[C:17]5[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=5[C:2]4([CH3:25])[CH3:1])[CH:19]=3)[N:28]=2)[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=136 g (110.0 mmol) of 8,8-dimethyl-8H-10,12b-diazabenzo[a]aceanthrylene-3-boronic acid, 29.5 g (110.0 mmol) of 2-chloro-4,6-diphenyl-1,3,5-triazine and 44.6 g (210.0 mmol) of tripotassium phosphate are suspended in 500 ml of toluene, 500 ml of dioxane and 500 ml of water. 913 mg (3.0 mmol) of tri-o-tolylphosphine and then 112 mg (0.5 mmol) of palladium(II) acetate are added to this suspension, and the reaction mixture is heated under reflux for 16 h. After cooling, the organic phase is separated off, filtered through silica gel, washed three times with 200 ml of water and subsequently evaporated to dryness. The residue is recrystallised from toluene and from dichloromethane/isopropanol and finally sublimed in a high vacuum. The purity is 99.9%. The yield is 46 g (89 mmol), corresponding to 83% of theory.
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