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

对它们在剂。酸碱度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.

合成了呋喃酸酯异烟腙和呋喃酸酯N-氧化异烟腙。缩合反应在醇中进行。