反应详情

0.55 cm3 of thionyl chloride (0.02 mol) is added dropwise and with stirring into a round-bottom flask containing 0.01 mol of 3-(hydroxymethyl)benzoselenazolinone dissolved in 100 cm3 of chloroform. The mixture is brought to reflux for 2 hours and the chloroform is then evaporated off under reduced pressure. The product is recrystallized in cyclohexane.

1. temperatureto reflux for 2 hours
2. customthe chloroform is then evaporated off under reduced pressure
3. customThe product is recrystallized in cyclohexane