反应 #465964
ord-120f3afc236e422bb9992147bd079efa
反应方程式
methyl 3-chloro-5-methoxy-4-nitro-pyridine-2-carboxylate
PCl3
→
white solid
Methyl 3,6-Dichloro-5-methoxy-4-nitropyridine-2-carboxylate
反应条件
详细条件
See reaction.notes.procedure_details.
后处理
- 1温度The reaction mixture was heated
- 2温度to reflux for 8 hr
- 3浓缩concentrated to dryness in vacuo
实验过程
To methyl 3-chloro-5-methoxy-4-nitro-pyridine-2-carboxylate, N-oxide (0.300 g, 1.12 mmol) in 5 mL of chloroform was added PCl3 (0.664 mL, 7.62 mmol). The reaction mixture was heated to reflux for 8 hr and then concentrated to dryness in vacuo to give 300 mg of a white solid.