反应详情

温度

30 °C

A mixture of 4-bromo-1-benzoylaminoanthraquinone (purity 98.5%, 41.2 g), monochlorobenzene (500 g), tetra-n-butyl ammonium bromide (0.3 g) and 96% potassium hydroxide (12.0 g) was stirred for one hour at 30° C., and methyl iodide (28.4 g) was added thereto at 30° C. over 2 hours. A mixture was stirred at 30° C. for 30 minutes and 40° C. for 3 hours, successively. Then, the same aftertreatment as in Example 3 was conducted to obtain 4-bromo-N-benzoyl-1-methylaminoanthraquinone (41.8 g, purity 94.5%, yield 94.0%).

1. waitat 30° C. over 2 hours
2. stirringA mixture was stirred at 30° C. for 30 minutes and 40° C. for 3 hours