Aluminium lithium hydride → HCID 178421602, compound

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To a solution of 6-methyl-3-(3-phenylpropyl)-6-[3-(1H-1,2,3-triazol-5-yl)phenyl]-3-azabicyclo[3.1.0]hexan-2-one (Preparation 41, 32 mg, 0.087 mmol) in tetrahydrofuran (2 ml) at room temperature was added lithium aluminium hydride (0.43 ml, 0.43 mmol, 1.0 M in THF) dropwise over a few minutes. The mixture was stirred at room temperature for 6 hours and then quenched by the cautious addition of 2N sodium hydroxide (0.5 ml) at 0° C. Excess solid sodium hydrogen carbonate and ethyl acetate (5 ml) were then added and the mixture was stirred rapidly for 30 minutes and then filtered through celite washing with ethyl acetate. The solvent was evaporated in vacuo and the crude residue was purified by silica column chromatography eluting first with hexane:ethyl acetate (1:1) and then hexane:ethyl acetate: ammonia solution (0.880) (10:90:1) to afford the title compound as a colourless oil (15.0 mg, 48%).

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