Reacción #1350586
ord-9661301a5c1d4a79a1f6f2a60ed9e312
Ecuación de reacción
methyl 4-methylbenzothiazole-5-carboxylate
phosphoric acid
→
4-Methylbenzothiazole-5-carboxylic Acid
Reactivos
Ninguno
Disolventes
Condiciones de reacción
Condiciones detalladas
See reaction.notes.procedure_details.
Tratamiento posterior
- 1Temperaturaheated
- 2Temperaturaat reflux for 2.5 h
- 3TemperaturaAfter cooling
- 4FiltraciónThe product was filtered off
- 5Otrosubsequently dried
Procedimiento
16.6 g of methyl 4-methylbenzothiazole-5-carboxylate (0.08 mol) were dissolved in 280 ml of 5% strength aqueous potassium hydroxide solution and heated at reflux for 2.5 h. After cooling, the mixture was acidified using phosphoric acid. The product was filtered off and subsequently dried.