Reacción #2298622

Ecuación de reacción

7-bromo-4-chlorothieno[3,2-d]pyrimidine

7-Bromo-4-chlorothieno[3,2-d]pyrimidine

hydrazine monohydrate

→

(7-bromothieno[3,2-d]pyrimidin-4-yl) hydrazine hydrochloride

Rendimiento 73.0%

Disolventes

ethanol

Condiciones de reacción

Tratamiento posterior

1. 1
   Temperaturawas heated
2. 2
   Temperaturaat reflux for 2 hour
3. 3
   Filtraciónthe solid product was collected by vacuum filtration

Procedimiento

A suspension of 7-bromo-4-chlorothieno[3,2-d]pyrimidine (159, 80 mg, 0.32 mmol) and hydrazine monohydrate (0.2 mL, 4.1 mmol) in ethanol (1.3 mL) was heated at reflux for 2 hour. After cooling to room temperature, the solid product was collected by vacuum filtration to give (7-bromothieno[3,2-d]pyrimidin-4-yl) hydrazine hydrochloride (57 mg, 73% yield) as a white solid.

Fuente