反应详情

To a solution of 2-(3,3,5,5-tetramethylcyclohexyl)phenylamine (3.90 g, 16.9 mmol) in heptane (19.5 mL) was added dropwise to a solution of oxalic acid (1.82 g, 20.2 mmol) in ethyl acetate (39 mL) while stirring at room temperature, followed by stirring at the same temperature for 66 hours. Precipitated crystals were collected by glass filter, and dried to give 4.13 g of the title compound as white crystals.

1. stirringby stirring at the same temperature for 66 hours
2. customPrecipitated crystals
3. customwere collected by glass
4. filtrationfilter
5. customdried