The tautomeric equilibrium between the azo type and the hydrazone type of these compounds in different solvents and different acidity has also been studied.

对它们溶剂。碱度溶液中的偶氮式及腙式互变异构平衡进行了研究。

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.

合成了呋喃甲酯异烟腙和呋喃甲酯N-氧化异烟腙。缩合反应醇中进行。