劳森试剂 、
methyl 3-[(3,5-dichlorophenyl)amino]-2-methoxy-3-oxopropanoate 、
二甲氧基乙烷 反应 188.0h,
以to give 2.31 grams (0.007 mole) of methyl 3-[(3,5-dichloro-phenyl)amino]-2-methoxy-3-thioxopropanoate having a melting point of 144° C.-147° C.的产率得到methyl 3-[(3,5-dichloro-phenyl)amino]-2-methoxy-3-thioxopropanoate