N,N'-dimethyl-N,N'-bis((methoxycarbonyl)methyl)-N,N'-bis<2-(N,N-dimethyl-N-((methoxycarbonyl)methyl)ammonio)ethyl>-1,2-ethanediaminium tetrabromide 在
silver(l) oxide 作用下,
以
水 为溶剂,
反应 1.0h,
以41%的产率得到N,N'-dimethyl-N,N'-bis(carboxymethyl)-N,N'-bis<2-(N,N-dimethyl-N-(carboxymethyl)ammonio)ethyl>-1,2-ethanediaminium dichloride dihydrate