反应详情

To a solution of 5-(2-methoxy-ethoxy)-pyridine-2-carboxylic acid methyl ester (390 mg, 0.489 mmol) in THF (3 ml) was added 1M aqueous NaOH (0.538 ml). The reaction mixture was stirred at room temperature for 2.5 h, concentrated, the residue was dissolved in EtOAc and washed twice with water. The aqueous layers were acidified with 1M aqueous HCl (0.538 ml) and the title compound was isolated by lyophilisation.

1. concentrationconcentrated
2. dissolutionthe residue was dissolved in EtOAc
3. washwashed twice with water