反应详情

A solution of (diazomethyl)trimethylsilane (12.87 mL) in diethyl ether was added to an ice-batch cooled solution of 2-(3-bromo-4-fluorophenyl)acetic acid (3 g) in dichloromethane (20 mL) and methanol (5 mL). The mixture was stirred for 10 min. and concentrated in vacuo to give methyl 2-(3-bromo-4-fluorophenyl)acetate (3.20 g) that was

1. concentrationconcentrated in vacuo