3-氯哒嗪 、 6,6-dimethyl-2-(6-hydroxy-2,3-dihydrobenzo[1,4]oxazin-4-yl)-6,7-dihydro-[1,3]thiazolo[5,4-c]pyridin-4(5H)-one 在
caesium carbonate 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 12.0h,
以23%的产率得到2-[6-(pyridazin-3-yloxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-6,6-dimethyl-6,7-dihydro-5H-thiazolo[5,4-c]pyridin-4-one