反应详情

using 1-(4-bromo-2-fluoro-5-isopropoxyphenyl)-2-methoxy-4-trifluoromethyl-6(1H)-pyrimidinone with concentrated sulphuric acid there is obtained 1-(4-bromo-2-fluoro-5-hydroxyphenyl)-2-methoxy-4-trifluoromethyl-6(1H)-pyrimidinone, m.p. 132°-136° C.;