Sodium borohydride → 2-Thiophenemethanol, 5-[4-(trifluoromethyl)phenyl]-

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To a solution of 61.2 (0.87 g, 3.40 mmol) in 3:2 MeOH/THF (25 mL) was added NaBH4 (0.13 g, 3.40 mmol) as a solid in one portion. The mixture was stirred for 2 Hours at room temperature and concentrated. The residue was suspended in 1N HCl and extracted with EtOAc. The combined organic layers were washed with brine, dried (Na2SO4), and concentrated to afford 61.3 as a white powder. The crude product was used without further purification. 1H NMR (400 MHz, CDCl3) δ 7.68 (d, 2H), 7.62 (d, 2H), 7.26 (d, 1H), 7.01 (d, 1H), 4.86 (d, 2H), 1.84 (t, 1H).

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