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以硬脂酸和油酸为乳化剂、钼酸铵为催化剂,尿素和邻苯二甲酸酐经亚氨化,然后在硝酸铵存在下发生缩合反应得到1,3-双亚氨基异吲哚啉的硝酸盐,最后用氢氧化钠中和得到1,3-双亚氨基异吲哚啉。对反应路线及反应条件的选择进行了讨论,并采用高效液相色谱法测定了产物的纯度。
Using stearic acid and oleic acid as emulsifiers and ammonium molybdate as catalyst, urea and phthalic anhydride are imidized, and then condensation reaction occurs in the presence of ammonium nitrate to obtain 1,3-bisiminoisoindoline Of the nitrate, and finally neutralized with sodium hydroxide to give 1,3-bis imino isoindoline. The reaction route and the choice of reaction conditions were discussed, and the purity of the product was determined by high performance liquid chromatography.