反应详情

温度

70 °C

A mixture of sodium (2.0 g, 89.5 mmol) and ethylene glycol (50 ml) was stirred at 70° C. for 30 min. 3,5-Dichloropyridine (11.0 g, 74.5 mmol) and dimethyl sulfoxide (50 ml) were added to the crude mixture. The crude mixture was stirred for 10 h at 110° C. Aqueous sodium hydroxide (100 ml) was added and the crystals were filtered. Yield 8.0 g, 51%.

1. filtrationthe crystals were filtered