反应详情

A mixture of 3-(2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-pyridine-2-carbonitrile hydrochloride (Prep103, 500 mg, 2 mmol), and K2CO3 (413 mg, 3 mmol) in DMF (7 ml) was stirred for one hour at room temperature. 3-Bromo-1,1dimethoxy-propane (402 mg, 2.2 mmol) was added and stirring continued for 48 hours. Water was added and the product was extracted with ethyl acetate. The organic phase was dried (Na2SO4) and evaporated to give 210 mg of a yellow oil (33% yield).

1. stirringstirring
2. waitcontinued for 48 hours
3. extractionthe product was extracted with ethyl acetate
4. dry with materialThe organic phase was dried (Na2SO4)
5. customevaporated