Five Schiff bases were prepared from piperonal and diamines by condensation reaction.
新的双-胡椒醛缩
席夫碱化
物。
Five Schiff bases were prepared from piperonal and diamines by condensation reaction.
新的双-胡椒醛缩
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
物——呋喃甲醛乙
铜
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.
为新型热致液晶聚脲,以含液晶基元的联苯
(或联邻甲苯
)、1,6-己
、2,4-甲苯
异氰酸酯为原料进行
。
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基的活性,结
一些钙拮抗剂含乙
结构的特征,设计
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.
在无水乙酸锌与1,5-萘形
配位
物的过程中,无水乙酸锌的结构从双齿型转变
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,例如次氮基三乙酸酯(NTA)或者是乙
四乙酸酯(EDTA),这些螯
剂易于形
水溶性的金
螯
物。
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