Hydrochloric Acid → 3-(1-(4-fluorophenyl)-6-isopropyl-1H-indazol-5-yl)-2,2-dimethylpropanoic acid

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반응 단계

Methyl 3-(1-(4-fluorophenyl)-6-isopropyl-1H-indazol-5-yl)-2,2-dimethylpropanoate (87 mg, 0.236 mmol) was heated to 100 C overnight in a mixture of 2 M NaOH/MeOH/DMSO (1:1:1). The next day, the reaction was cooled, acidified to pH 5 with HCl and extracted 2×EtOAc. The organic layers were washed with water×2, dried over MgSO4, filtered, and concentrated in vacuo to give 83 mg (99% yield) of acid 3-(1-(4-fluorophenyl)-6-isopropyl-1H-indazol-5-yl)-2,2-dimethylpropanoic acid. MS found: (M+H)+=355.

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