Highly Stereoselective Synthesis of Isoindole Derivatives Containing an Azetidinone Ring
作者:Mohammad Islami、Batool Hosseinkhani、Saman Hosseinkhani
DOI:10.1055/s-0035-1560066
日期:——
Isoindole derivatives containing an azetidin-2-one moiety were prepared from phthalic anhydride by an approach that involves a [2π+2π] cycloaddition of an imine to a novel ketene generated in situ, and an electrocyclic reaction of a zwitterionic intermediate. The reactions were highly stereoselective and trans-β-lactams were obtained as the sole observed products.
含有氮杂环丁烷-2-one 部分的异吲哚衍生物是从邻苯二甲酸酐通过一种方法制备的,该方法涉及亚胺与原位生成的新型烯酮的 [2π+2π] 环加成,以及两性离子中间体的电环反应。该反应具有高度立体选择性,并且获得了作为唯一观察到的产物的反式-β-内酰胺。