ethyl 3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-oxopropanoate 、
4-phenyl-3-(trifluoromethyl)-1H-pyrazol-5-amine 在
甲醇 、
5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-phenyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one 作用下,
以
溶剂黄146 为溶剂,
反应 16.0h,
以to afford in 95 mg (23%) of 5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-phenyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one as a white solid的产率得到5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-phenyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-7(4H)-one