反应详情

using methyl 2-chloro-5-[2-chloro-6-oxo-4-trifluoromethyl-1(6H)-pyrimidinyl]-4-fluorobenzoate and sodium ethylate in ethanol there is obtained methyl 5-[2-ethoxy-6-oxo-4-trifluoromethyl -1(6H)-pyrimidinyl]-2-chloro-4-fluorobenzoate, m.p. 96°-98° C.;