反应详情

A solution of 1.55 g of ethyl 1-isopropyl-2-oxo-1,2-dihydro-3-quinolinecarboxylate and 0.28 g of sodium hydroxide in 10 ml of ethanol and 2 ml of water was stirred overnight at room temperature. The solvent was distilled off and dil. hydrochloric acid was added to the residue. The precipitated solid was filtered, washed with water and dried to give 0.24 g of 1-isopropyl-2-oxo-1,2-dihydro-3-quinolinecarboxylic acid.

1. distillationThe solvent was distilled off
2. additiondil. hydrochloric acid was added to the residue
3. filtrationThe precipitated solid was filtered
4. washwashed with water
5. customdried