n.[化]腙
Moreover,the reaction path,activation energies and equilibrium constance during the tautomerized reaction involving hydrazone form and azo form are obtained. 此外,还计算了醌腙式和偶氮式结构在互变过程中,反应路径、正逆反应活化能以及化学平衡常数。
The tautomeric equilibrium between the azo type and the hydrazone type of these compounds in different solvents and different acidity has also been studied. 对它们在不同溶剂。不同酸碱度溶液中的偶氮式及腙式间互变异构平衡进行了研究。
Vanillin 2,4-dinitrophenyl hydrazone was achieved by the condensation of vanillin with 2,4-dinitrophenylhydrazine.The structure of the title compound was characterized by IR,UV and elemental analysis. 利用香草醛和2,4-二硝基苯肼的缩合反应合成香草醛缩2,4-二硝基苯腙,利用红外、紫外光谱和元素分析进行了结构表征。
The two now isonicotnic acid hydrazone and N-oxide isonicotinic acid hydrazone of ethyl furoyl acetates were synthesised. The condensations were carried out in ethyl alochol medium. 合成了呋喃甲酰乙酸乙酯异烟酰腙和呋喃甲酰乙酸乙酯N-氧化异烟酰腙。缩合反应在乙醇中进行。
This paper, according to the process of double-bonded carbonic acid reduction, the isomerism of hydrazone &alkali reduction, depicts the current polarogram research of double-bonded carbonic acid. 本文从碳氮双键的还原过程、腙的异构和希夫碱的还原三个方面概述了碳氮双键的极谱研究现状.
