Five Schiff bases were prepared from piperonal and diamines by condensation reaction.
新的双-胡椒醛缩
胺类席夫碱化
物。
Five Schiff bases were prepared from piperonal and diamines by condensation reaction.
新的双-胡椒醛缩
胺类席夫碱化
物。
Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.
了一种席夫碱金属络
物——呋喃甲醛
胺铜络
物,收率为63。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明构中氯
胺基的活
,
一些钙拮抗剂含
胺
构的特征,设计
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.
为新型热致液晶聚脲,以含液晶基元的联苯
胺(或联邻甲苯胺)、1,6-己
胺、2,4-甲苯
异氰酸酯为原料进行
。
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
配位络
物的过程中,无水
酸锌的
构从双齿型转变
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.
在洗衣粉中掺入螯剂,例如次氮基三
酸酯(NTA)或者是
胺四
酸酯(EDTA),这些螯
剂易于形
水溶
的金属螯
物。
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