반응 #481594

반응 방정식

2-ethylanthraquinone

NBS

benzoyl peroxide

→

2-(1-bromoethyl)-anthraquinone

용매

CCl4

반응 조건

후처리

1. 1
   온도at reflux for 1.5 hours
2. 2
   온도On cooling
3. 3
   여과the precipitate is collected by filtration
4. 4
   세척washed on the
5. 5
   여과filter with ethanol, hot water and finally ethanol again
6. 6
   기타After drying
7. 7
   기타this may be used without further purification (i.e. recrystallisation from benzene/methanol (1:1))

실험 절차

A mixture of 2-ethylanthraquinone (25 Kg, 105.9 mol), NBS (19.1 Kg, 107.3 mol) and benzoyl peroxide (70%, 200 g, 0.58 mol) in CCl4 (˜150L) is stirred at reflux for 1.5 hours. On cooling, the precipitate is collected by filtration and washed on the filter with ethanol, hot water and finally ethanol again. After drying, this may be used without further purification (i.e. recrystallisation from benzene/methanol (1:1)).

출처