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.
通过用一系列芳香族和杂芳香族二胺处理 2-苯甲酰胺基-
3-氯丙烯酸,合成了几种螺-2-
恶唑啉。这些化合物的烷基化发生在螺系统的 3,4-二氢
吡嗪-2(1H)-酮部分的内酰胺氮上。