Reaktion #4472

Reaktionsgleichung

4-bromophenylhydrazine hydrochloride

1,3-cyclohexanedione

→

1,3-Cyclohexanedione mono(4-bromophenylhydrazone)

Lösungsmittel

water

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigegiving a precipitate
2. 2
   FiltrationThe solid title compound was filtered off
3. 3
   Sonstigedried (1.63 g)
4. 4
   Temperaturt.l.c (D), Rf 0.35 On cooling a second crop
5. 5
   Sonstigewas obtained (0.395 g)

Vorschrift

A solution of 4-bromophenylhydrazine hydrochloride (2.24 g) and 1,3-cyclohexanedione (1.23 g) in water (60 ml) was stirred at room temperature for 1 h, giving a precipitate. The solid title compound was filtered off and dried (1.63 g). t.l.c (D), Rf 0.35 On cooling a second crop was obtained (0.395 g)

Quelle