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用三氧化硫脲（ＡＩＭＳＡ）和十二胺合成重十二胍亚硫酸盐 ,收率达８０ %。３０ｍｌＥｔＯＨ中于恒温３５℃投入１２ ０ｇ（０ ０６５ｍｏｌ）十二胺 ,溶解后 ,将６ ３ｇ（０ ０５ｍｏｌ）水合ＡＩＭＳＡ于１ｈ内加完 ,反应１ｈ至产生白色沉淀 ,继续反应１ｈ ,过程中不断搅拌
The heavy duanidine sulfite was synthesized with thiosemicarbazide (AIMSA) and dodecylamine in 80% yield. (0 065mol) dodecylamine was added into 30ml EtOH at a constant temperature of 35 ° C to dissolve the solution. A total of 63g (0 05mol) of hydrated AIMSA was added within 1h to react for 1h to produce a white precipitate. The reaction was continued for 1h while stirring