Several spiro-2-oxazolines were synthesized by treatment of 2-benzoylamino-3-chloropropenoic acid with a series of aromatic and heteroaromatic diamines. Alkylation of these compounds took place on the lactam nitrogen of the 3,4-dihydropyrazin-2(1H)-one part of the spiro systems.
A Convenient Synthesis of<i>N</i>-[2-(Heteroarylhydrazono) Ethyl]Benzamides
作者:Karmen Cucek、Irena Music、Bojan Vercek
DOI:10.1080/00397919608003720
日期:1996.3
Abstract The synthesis of N-[2-(heteroarylhydrazono)ethyl]benz-amides starting from (Z)-2-benzoylamino-3-chloro-2-propenoic acid and heteroarylhydrazines is reported.