반응 #2069933

반응 방정식

Thianthrene

nitric acid

→

thianthrene-S-oxide

용매

water

acetic acid

반응 조건

후처리

1. 1
   기타the reaction
2. 2
   기타the reaction solution obtained
3. 3
   기타to precipitate a crystal
4. 4
   여과The crystal was collected by filtration
5. 5
   기타recrystallized from acetonitrile

실험 절차

Thianthrene (20 g) was refluxed in 300 ml of acetic acid, and 36 ml of dilute nitric acid was gradually added dropwise thereto. After allowing the reaction to proceed for 5 hours, the reaction solution obtained was poured in 1.2 liter of water to precipitate a crystal. The crystal was collected by filtration and then recrystallized from acetonitrile to obtain 12 g of thianthrene-S-oxide. 1H-NMR (400 MHz, CDCl3): δ 7.42 (t, 2H), 7.56 (t, 2H), 7.63 (d, 2H), 7.93 (d, 2H).

출처