反应详情

The reaction procedure of (2) of Example 1 was followed except that 6.19 g (19 mmol) of 1-(2-chloronicotinoyl)-3-(4-chlorophenyl)thiourea was used. As a result, 5.49 g of 2-(4-chloroanilino)-4H-pyrido[3,2-e]-1,3-thiazin-4-one was obtained.