Five Schiff bases were prepared from piperonal and diamines by condensation reaction.

新的双-胡椒醛缩二胺类席夫碱。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

了一种席夫碱金属络——喃甲醛乙二胺铜络,收率为63。