1-Butanamine, hydrofluoride → 3-(2,4-Dimethoxybenzyl)-5-hydroxymethyl-3-azabicyclo[3.1.0]hexan-2-one

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To a solution of 5-(tert-butyldimethylsilanyloxymethyl)-3-(2,4-dimethoxybenzyl)-3-azabicyclo[3.1.0]hexan-2-one (14.2 mg) in tetrahydrofuran (0.3 ml) was added n-butylammonium fluoride (54 μl, 1.0M solution in tetrahydrofuran) at room temperature, and the mixture was stirred for 1 hour. This reaction mixture was concentrated under reduced pressure, the resulting residue was purified by silica gel column chromatography (eluent: ethyl acetate, to chloroform/methanol=9/1) to give the titled compound (9.2 mg).

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