反应详情

350 mg (1.30 mmol) 5-bromo-2-methyl-benzofuran-3-carboxylic acid methyl ester was dissolved in 10 mL THF and treated with 5.0 mL 1 M aqueous LiOH solution at 60° C. for 12 h. The reaction mixture was acidified with 1 M aqueous hydrochlorid acid. The precipitate was filtered off, washed with water and dried.

1. filtrationThe precipitate was filtered off
2. washwashed with water
3. customdried