Aluminium lithium hydride → Pyrrolidine, 3-(4,4-difluorocyclohexyl)-

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Reaction Steps

Lithium aluminium hydride (397.6 mg, 10.49 mmol, 2 eq) is added portionwise at 0° C. to a solution of 4-(4,4-difluorocyclohexyl)pyrrolidin-2-one a1-26 (assumed quantitative from previous step, 5.24 mmol, 1 eq) in dry THF (10 ml). The reaction mixture is allowed to warm to room temperature and stirred overnight, then quenched by water at 0° C. and filtered on celite. The solvent is evaporated under reduced pressure to afford 3-(4,4-difluorocyclohexyl)pyrrolidine a1-34.

Provenance & Evidence