Реакция #1884991
ord-ac1b3334869a4c97b6254717f9b39662
Уравнение реакции
ammonium chloride
2,4-dichloropyrimidine
phenylzinc bromide
→
2-chloro-4-phenyl-pyrimidine
Условия реакции
Температура
50°CELSIUS
Подробные условия
See reaction.notes.procedure_details.
Обработка
- 1Экстракцияextracted with EtOAc twice
- 2Промывкаwashed with water
- 3Сушкаdried (MgSO4)
- 4ДругоеEvaporation of solvent
- 5Другоеgave a yellow residue which
- 6Другоеwas purified by Prep
Методика
To a solution of 2,4-dichloropyrimidine (149 mg, 1 mmol) in THF (5 mL), tetrakis(triphenylphosphine) palladium (23 mg, 2 mol %) and 0.5M solution of phenylzinc bromide (2.1 mL, 1.05 mmol) in THF were added. The reaction mixture was stirred at 50° C. for overnight. Then it was added saturated ammonium chloride solution and extracted with EtOAc twice. The organic layers were combined, washed with water and dried (MgSO4). Evaporation of solvent gave a yellow residue which was purified by Prep. HPLC to afford a yellowish oil as 2-chloro-4-phenyl-pyrimidine.