反应详情

2.7 g of 5-amino-6-(2-methoxy-4-methanesulfonylaminobenzoyl-amino)-2-pyridone were refluxed in 50 ml of glacial acetic acid for 1.5 hours. The mixture was then concentrated by evaporation in vacuo, and the residue was purified on silica gel (eluant: methylene chloride/ethanol 1:0 to 1:0.1).

1. concentrationThe mixture was then concentrated by evaporation in vacuo
2. customthe residue was purified on silica gel (eluant: methylene chloride/ethanol 1:0 to 1:0.1)