3,5-二氯苯胺 、 Ethyl 2-(chlorocarbonyl)-2-methoxypropionate 、
三乙胺 以to give 4.40 grams (0.01 mole) of ethyl 3-[(3,5-dichlorophenyl)amino]-2-methoxy-2-methyl-3-oxopropanoate having a melting point of 72° C.-75° C.的产率得到ethyl 3-[(3,5-dichlorophenyl)amino]-2-methoxy-2-methyl-3-oxopropanoate