2H-Azirines are synthetically versatile, highly strained, three-membered heterocycles containing an imino double bond. We report their efficient Ru-catalyzed synthesis using low catalyst loadings under neutral conditions from isoxazolinone substrates, which are readily accessible from β-ketoesters. The azirines were shown to be efficient precursors for functionalized pyridine, indole, dihydropyrrole
                                    2 H- Azirines是含有亚
氨基双键的合成多用途,高应变,三元杂环。我们报告了在异唑啉酮底物的中性条件下使用低催化剂负载量可有效地进行Ru催化合成的方法,该方法容易从β-
酮酸酯获得。已显示出这些
叠氮化物是官能化
吡啶,
吲哚,二氢
吡咯和
吡咯烷杂环的有效前体。