Process for preparing methyl isopropylideneaminooxyacetoxyacetate I ##STR1## by reacting in an integrated process, a) acetone with hydroxylammonium sulfate and sodium hydroxide solution to give acetone oxime, the reaction being performed in the presence of toluene and/or the acetone oxime being extracted from the reaction mixture with toluene, b) treating the toluene solution thus obtained with sodium hydroxide solution and removing water, c) exchanging toluene for a dipolar aprotic solvent by distillation, d) reacting the crystal mash thus obtained with the sodium salt of chloroacetic acid to give the sodium salt of isopropylideneaminooxyacetic acid and then treating the reaction mixture with methyl chloroacetate and e) isolating the methyl isopropylideneaminooxyacetoxyacetate formed in d).
制备甲基异丙基
亚胺氧
乙酸乙酯I的过程##STR1## 通过集成反应进行,a) 将
丙酮与
羟胺硫酸盐和
氢氧化钠溶液反应,得到
丙酮肟,反应在
甲苯的存在下进行和/或从反应混合物中提取
丙酮肟,b) 用
氢氧化钠溶液处理得到的
甲苯溶液并去除
水分,c) 通过蒸馏将
甲苯溶液转化为双极性无原子溶剂,d) 用
氯乙酸钠盐与晶体混合物反应,得到异丙基
亚胺氧
乙酸钠盐,然后用
氯乙酸甲酯处理反应混合物,e) 分离得到在d)中形成的甲基异丙基
亚胺氧
乙酸乙酯。