Methanol → Ammonium Hydroxide

참여 물질

반응 단계

To a solution of 2-(trifluoromethyl)imidazo[1,2-a]pyrazine (2.0 g, 10.46 mmol, from Step A) in methanol (100 mL) was added 10% palladium on carbon (400 mg). The mixture was stirred under atmospheric hydrogen at ambient temperature for 14 h. The mixture was filtered through Celite and washed with methanol (3×). The filtrate was concentrated and purified by flash chromatography (silica gel, 10% methanol in ethyl acetate, then 15% methanol in chloroform with 1% aqueous ammonium hydroxide) to give the title compound as a solid.

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