2-(4-氯苯胺基)吡啶并[3,2-E] [1,3]噻嗪-4-酮 、
lithium;hydride 、
2-氯-5-氯甲基噻吩 在
silica gel 、
氯仿 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以As a result, 2.643 of 2-(4-chlorophenylimino)-3-(5-chloro-2-thenyl)-2,3-dihydro-4H-pyrido[3,2-e]-1,3-thiazin-4-one (recrystallized from ethanol) was obtained as a low polarity substance, and 263 mg of 2-[N-(4-chlorophenyl)-N-(5-chloro-2-thenyl)amino]-4H-pyrido[3,2-e]-1,3-thiazin-4-one (的产率得到2-(4-chlorophenylimino)-3-(5-chloro-2-thenyl)-2,3-dihydro-4H-pyrido[3,2-e]-1,3-thiazin-4-one