反应详情

温度

170 °C

1-Chloro-4-(3-chloro-4-methoxybenzyl)amino-6-cyanophthalazine (1.0 g) prepared in Example 1 was dissolved in 10 ml of N-methyl-2-piperidone, followed by the addition of 0.26 ml of acetic acid and 2.1 ml of diisopropylethylamine. The obtained mixture was stirred at 170° C. for 7 hours, followed by the addition of 100 ml of water. The crystals thus precipitated were recovered by filtration.

1. customThe crystals thus precipitated
2. filtrationwere recovered by filtration