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

合成新的双-胡椒醛缩二类化合物。

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

合成了一种金属络合物——呋喃甲醛二铜络合物,收率为63。

Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.

为合成新型热致液晶聚脲，含液晶基元的联苯二（或联邻甲苯）、1，6-己二、2，4-甲苯二异氰酸酯为原料进行合成。

According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.

利用酚苄明结构中基的活性，结合一些钙拮抗剂含二结构的特征，设计合成了5个酚苄明衍生物。

When the complex of anhydrous zinc acetate with 1,5-naphthalene diamine was formed, the anhydrous zinc acetate changed from a bidentate ligand to a unidentate ligand.

在无水酸锌与1,5-萘二形成配位络合物的过程中，无水酸锌的结构从双齿型转变成单齿型。

3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.

在洗衣粉中掺入螯合剂，例如次氮基三酸酯（NTA）或者是二四酸酯（EDTA），这些螯合剂易于形成水溶性的金属螯合物。