2-Chlorobenzylamine → N-(2-chlorobenzyl)-4-hydroxy-2,2-dimethylbutanamide

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To a solution of 3,3-dimethyl-dihydrofuran-2(3H)-one (2.04 g, 17.9 mmol) in THF (15 mL) were added 2-chlorobenzylamine (2.4 mL, 19.9 mmol, 1.1 equiv.) and AlMe3 (2M in toluene, 4.5 mL, 9 mmol, 0.5 equiv.). The reaction mixture was stirred for 3 days. The reaction mixture was saturated NaHCO3 and extracted with EtOAc. The organic layer was washed with saturated NaHCO3, H2O and brine, dried over Na2SO4, and concentrated to give N-(2-chlorobenzyl)-4-hydroxy-2,2-dimethylbutanamide as a white solid (3.8 g, 83%), which was used without further purification. LRMS (M+H+) m/z 256.0.

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