【摘要】 目的 :合成新的双 -胡椒醛缩二胺类席夫碱化合物。方法 :以胡椒醛及二胺类为原料 ,经缩合反应 ,制得 5种席夫碱化合物 (Ⅰ ～Ⅴ )。结果 :结构经元素分析、红外光谱和核磁共振氢谱确证 ,5种化合物均未见文献报道。结论 :乙酸是席夫碱缩合反应中重要的催化剂更多还原

【Abstract】 Objective: To synthesize novel Bis\|piperonal\|diamine Schiff bases. Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction. Results: All the compounds were identified by elementary analysis\,IR and H 1NMR. Conclusion: Acetic acid is an important catalyst in the condensation reaction of Schiff base.\;更多还原