反应详情

The title compound (28% yield, m.p. 289°-290.5° with decomposition) was prepared from ethyl 2-cyano-3-(5-ethyl-2-pyridylamino)acrylate in a manner similar to that described for the preparation of 3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one in Example 2.