反应详情

A suspension of 2,5-dimethyl-N-{1-[4-(2H-tetrazol-5-yl)phenyl]cyclopropyl}-4-[4-(trifluoromethyl)benzyl]thiophene-3-carboxamide from Example 14, Step 3 (150 mg, 0.301 mmol) in EtOH (3 mL), was treated with NaOH (1.0N in water, 301 μL, 0.301 mmol). The solution then obtained was concentrated to dryness. Water (20 mL) was added to the residue. The turbid solution was frozen in a bath of dry ice and acetone and lyophilized to afford the desired product as an off-white fluffy solid. MS (−APCI): m/z 496 (M−23)−.

1. customThe solution then obtained
2. concentrationwas concentrated to dryness
3. additionWater (20 mL) was added to the residue
4. temperatureThe turbid solution was frozen in a bath of dry ice and acetone