Reaktion #487466

Reaktionsgleichung

2,5-Dihydroxy-1,4-benzoquinone

Na2S2O4

HCl

→

1,2,4,5-Tetrahydroxybenzene

Lösungsmittel

water

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigeevaporated to dryness
2. 2
   WaschenThe residue was washed with THF (40 ml)
3. 3
   Filtrationfiltered
4. 4
   SonstigeThe THF was evaporated
5. 5
   Sonstigeyielding 2.00 g (14.07 mmol, 49.3%) of the title substance

Vorschrift

2,5-Dihydroxy-1,4-benzoquinone (4.00 g, 28.55 mmol) was suspended in water (50 ml, distilled) followed by Na2S2O4 (10.00 g, 57.47 mmol) and HCl (5.5 g, 55.75 mmol conc. soln.). The mixture was stirred 30 min. at room temperature and evaporated to dryness. The residue was washed with THF (40 ml) and filtered. The THF was evaporated yielding 2.00 g (14.07 mmol, 49.3%) of the title substance.

Quelle