Reacción #215249

Ecuación de reacción

9,10-anthracenedicarboxaldehyde

thiosemicarbazide

ethanol

→

9,10-Anthracenedicarboxaldehyde bis(thiosemicarbazone)

Disolventes

acetic acid

Condiciones de reacción

Tratamiento posterior

1. 1
   workup.ADDITIONA mixture of 2.34 g
2. 2
   Temperaturato cool
3. 3
   OtroThe solid is collected
4. 4
   Lavadowashed with absolute ethanol
5. 5
   Otrodried
6. 6
   Otrorecrystallized from aqueous dimethylformamide giving the desired product as orange crystals, m.p. 275°-277° C.

Procedimiento

A mixture of 2.34 g. of 9,10-anthracenedicarboxaldehyde and 3.65 g. of thiosemicarbazide in 250 ml. of absolute ethanol containing 2.0 ml. of glacial acetic acid is heated on a steam bath for 24 hours, allowed to cool and then let stand overnight. The solid is collected, washed with absolute ethanol, dried and recrystallized from aqueous dimethylformamide giving the desired product as orange crystals, m.p. 275°-277° C.

Fuente