反应详情

18.8 g of 2-hydroxynaphthalene-6-carboxylic acid was reacted with 94 g of acetic anhydride in 94 g of acetic acid at 80° C. for 4 hours. The reaction liquid was poured to 500 g of water and the precipitate was filtrated and washed thoroughly with methanol and water and then dried to give 22.3 g of 2-acetoxynaphthalene-6-carboxylic acid.

1. customThe reaction liquid
2. filtrationthe precipitate was filtrated
3. washwashed thoroughly with methanol and water
4. customdried