反应详情

A solution of phenothiazine (5 g, 25.1 mmol) and sodium amide (95%, 1.2 g, 29 mmol) in xylene (30 ml) was heated under reflux for 3 hours. Then propylene oxide (2.5 ml, 37 mmol) was added thereto under ice-cooling, and the reaction mixture was heated under reflux for 3 hours. To the reaction mixture was added water, and the mixture was extracted with chloroform, washed with saturated brine, dried over anhydrous magnesium sulfate and evaporated. The thus-obtained black-brown solution containing xylene was purified by column chromatography on silica gel to give a dark black oil. Yield 4.19 g (65%).

1. temperatureunder reflux for 3 hours
2. temperatureunder ice-cooling
3. temperaturethe reaction mixture was heated
4. temperatureunder reflux for 3 hours
5. extractionthe mixture was extracted with chloroform
6. washwashed with saturated brine
7. dry with materialdried over anhydrous magnesium sulfate
8. customevaporated
9. additionThe thus-obtained black-brown solution containing xylene
10. customwas purified by column chromatography on silica gel
11. customto give a dark black oil