反应详情

2-[2-Methyl-4-((2S,3′S)-2-methyl-[1,3′]bipyrrolidinyl-1′-yl)-phenyl]-1-oxo-2,8-diaza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester (150 mg) was treated with 1 mL (excess) of 4M HCl in dioxane at 0° C. The stirring was continued at rt for 1 h. The solvent was evaporated and the solid was further dried under high vacuum at rt for 2 h to obtain the title compound as a tan solid.

1. customThe solvent was evaporated
2. customthe solid was further dried under high vacuum at rt for 2 h