反应详情

To a stirred solution of tert-butyl 3-[2-amino-3-cyano-6-(2-hydroxyphenyl)-4-pyridinyl]-1-piperidinecarboxylate (0.170 g, 0.431 mmol) in dioxane (30 mL) was added 4N HCl in dioxane (3 mL). The mixture was stirred at room temperature for 12 hrs. The resulting precipitates were collected by filtration and the filtrate was washed with dioxane to give 2-amino-6-(2-hydroxyphenyl)-4-(3-piperidinyl)-nicotinonitrile hydrochloride (0.075 g, yield; 53%).

1. customThe resulting precipitates
2. filtrationwere collected by filtration
3. washthe filtrate was washed with dioxane