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以二氧化硅负载高氯酸(HClO4-SiO2)为催化剂,醛与酰胺发生缩合反应得到了一系列N,N′-亚烷基双酰胺.该法操作简便、反应时间短、产率高和催化剂可重复使用.
A series of N, N’-alkylene bisamides were obtained from the condensation reaction of aldehydes and amides with silica-supported perchlorate (HClO4-SiO2) as catalyst. The method was simple and convenient in operation, short in reaction time and high in yield The catalyst can be reused.