tetraethyl 2-(6-chloro-7-hydroxy-4-oxo-4H-chromen-3-yl)ethene-1,1-diyldiphosphonate 在
sodium tetrahydroborate 、
sodium acetate 作用下,
以
乙醇 为溶剂,
反应 3.0h,
生成 tetraethyl 2-(5-(5-chloro-2,4-dihydroxyphenyl)-1-(4-(trifluoromethoxy)phenyl)-1H-pyrazol-4-yl)ethane-1,1-diyldiphosphonate