反应详情

温度

90 °C

A mixture of 0.60 g (1.56 mmol) of the starting material I, 1.02 g (9.57 mmol) of 3-chloro-2-butanone and 8 ml of dimethylformamide was stirred at 90° C. for 3 h. After cooling the precipitated crystals were filtered off, dried and purified by recrystallization from dimethylformamide and water to yield 0.49 g (76%) of the title compound; Mp.: >260° C. (dec.).

1. temperatureAfter cooling the precipitated crystals
2. filtrationwere filtered off
3. customdried
4. custompurified by recrystallization from dimethylformamide and water