反应详情

1,1′-Thiocarbonyldi-2-pyridone (0.42 g, 1.8 mmol) is added to a mixture of (3-amino-2,4-dichloro-benzyl)-carbamic acid tert-butyl ester (0.50 g, 1.7 mmol) and dioxane (25 mL) and stirred at rt for 2 h and at reflux for 2 d. The mixture is concentrated, diluted with DCM and filtered over silica gel. The filtrate is concentrated to give the title compound.

1. temperatureat reflux for 2 d
2. concentrationThe mixture is concentrated
3. additiondiluted with DCM
4. filtrationfiltered over silica gel
5. concentrationThe filtrate is concentrated