sodium ethylene diamine tetracetate
胺四
酸钠
sodium ethylene diamine tetracetate
胺四
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物——呋喃甲胺铜络合物,收率为63。
Diamine is synthesized of diacid by aminating and hydryzing process etc.。It is an importantly chemical intermediate。
胺由
元酸通过氨化、氢化
工艺合成,是一种重要
化工中间体。
Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction.
目:合成新
-
椒
缩
胺类席夫碱化合物。
Under certain conditions, ophenylene diamine can react with dimethyl sulfate to form, N, N′diaminobenzene with higher production.
邻苯胺与硫酸
甲酯作用在一定条件下,给出高产率
N,N′-
甲基邻苯
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胺基
活性,结合一些钙拮抗剂含
胺结构
特征,设计合成了5个酚苄明衍生物。
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,以含液晶基元联苯
胺(或联邻甲苯胺)、1,6-己
胺、2,4-甲苯
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物是芳香族含氟胺与芳香族四酸
酐,在有机溶剂中,在催化剂
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.
在无水酸锌与1,5-萘
胺形成配位络合物
过程中,无水
酸锌
结构从
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
胺四
酸酯(EDTA),这些螯合剂易于形成水溶性
金属螯合物。
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—氨基甲苯异构体
色谱系统条件和检定
氨基甲苯参考物质纯度
试验方法
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