反应详情

To a of solution 1,1-dimethylethyl 6-oxa-9-azaspiro[4.5]decane-9-carboxylate (200 mg, 0.829 mmol, available from Tyger Scientific Inc) in DCM (3 ml) was added trifluoroacetic acid (TFA) (0.5 ml). The resulting colourless yellow solution was stirred at room temperature for 24 hr. The solvent was evaporated to give the title compound as a grey oil (203 mg).

1. customThe solvent was evaporated