反应详情

Treat a solution of (S)-2-sec-butylamino-6-(2H-tetrazol-5-yl)-isonicotinic acid methyl ester (250 mg, 0.91 mmol) in methanol (4 mL)at room temperature with 2 N NaOH (1.36 mL, 2.72 mmol). Stir overnight, acidify with 1 N HCl to about pH=3, concentrate and lyophilize to give the title compound.

1. concentrationconcentrate