diamine

sodium ethylene diamine tetracetate

乙二胺四乙酸钠

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

合成了一种席夫碱金属络合——呋喃甲醛乙二胺铜络合,为63。

Diamine is synthesized of diacid by aminating and hydryzing process etc.。It is an importantly chemical intermediate。

二胺由二元酸通过氨化、氢化工艺合成，是一种重要的化工中。

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

的:合成新的双-胡椒醛缩二胺类席夫碱化合。

Under certain conditions, ophenylene diamine can react with dimethyl sulfate to form, N, N′diaminobenzene with higher production.

邻苯二胺与硫酸二甲酯作用在一定条件下,给出高产的N,N′-二甲基邻苯二胺。

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

利用酚苄明结构中氯乙胺基的活性，结合一些钙拮抗剂含乙二胺结构的特征，设计合成了5个酚苄明衍生。

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，以含液晶基元的联苯二胺（或联邻甲苯胺）、1，6-己二胺、2，4-甲苯二异氰酸酯为原料进行合成。

The first polyimide polymer is prepared with aromatic fluoric diamine and aromatic tetracid dihydride and through a two-step condensation reaction in organic solvent and under the action of catalyst.

第一种聚酰亚胺聚合是芳香族含氟二胺与芳香族四酸二酐，在有机溶剂中，在催化剂的作用下，两步法缩合反应制备得到；

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.

在无水乙酸锌与1,5-萘二胺形成配位络合的过程中，无水乙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，例如次氮基三乙酸酯（NTA）或者是乙二胺四乙酸酯（EDTA），这些螯合剂易于形成水溶性的金属螯合。

The system condition of chromatography separating 2,6—2,4—2,3— and 3,4—toluenediamine isomer and the test methods verifying purity for toluene-diamine reference materilas were studied by HPLC.

应用高效液相色谱法研究分离2,6—、2,4—、2,3—和3,4—二氨基甲苯异构的色谱系统条件和检定二氨基甲苯参考质纯度的试验方法