3-(4-chloro-2-fluoro-5-hydroxyphenyl)-6-trifluoromethyl-1,2,3,4-tetra-hydropyrimidine-2,4-dione 、 、
硝酸 在
ice 作用下,
反应 1.0h,
以to afford the title compound (0.9 g)的产率得到3-(4-chloro-6-fluoro-3-hydroxy-2-nitrophenyl)-6-trifluoromethyl-2,4(1H, 3H)-pyrimidinedione