反应详情

A solution of 2,2 dimethyl-5-oxo-1-imidazolidineacetamide (1.7 g) in acetic anhydride (9 ml) was stirred at 70°-80° C. for 5 minutes. The precipitate was collected and washed with acetone, affording the title compound as a white powder, m.p. 188°-189° C. (ethyl acetate).

1. customThe precipitate was collected
2. washwashed with acetone