反应详情

2-Amino-6-ethoxybenzothiazole (5.8 g) is dissolved in pyridine (100 ml) and thereto is added dropwise methoxyacetyl chloride (3.0 ml) at room temperature. After the mixture is stirred at room temperature for 2 hours, the solvent is distilled off. The resulting solids are washed with water, then with diethyl ether, dried and recrystallized from ethanol to give the title compound (5.1 g) having the following physical properties.

1. distillationthe solvent is distilled off
2. washThe resulting solids are washed with water
3. dry with materialwith diethyl ether, dried
4. customrecrystallized from ethanol