反应详情

The above phenol (1.3 g, 5.08 mm), K2CO3 (1.05 g), methyl α-bromopropionate (0.85 ml, 1.5 eq) and acetone (20 ml) is refluxed for 8 hours. The mixture is then filtered and the filtrate concentrated to give oily methyl 2-[4-(3,5-dichloro-2-pyridyloxy)phenoxy]propionate.

1. filtrationThe mixture is then filtered
2. concentrationthe filtrate concentrated