Isatin-derived saturated esters have been utilized as 3-carbon synthons in a base-promoted formal [3 + 2] annulation with N-Boc imines for the synthesis of two classes of 3,3′-spirooxindole γ-butyrolactams.
以异
吲哚酮衍生的饱和酯作为三碳合成物,在碱促进下与N-Boc
亚胺进行形式[3 + 2]环化反应,用于合成两类3,3'-螺环
吲哚γ-丁酰内酰胺。