Selective construction of spiro[indoline-3,5′-pyrrolo[3,4-<i>b</i>]azepines] and spiro[indoline-3,3′-pyrroles] <i>via</i> a [4 + 3]/[3 + 2] cycloaddition reaction of α,β-unsaturated aldimines and MBH adducts of isatins
Dan Liu, Jing Sun, Qiu Sun, Chao‐Guo Yan
Abstract
An efficient synthetic protocol for the selective construction of spiro[indoline-3,5′-pyrrolo[3,4- b ]azepines] and spiro[indoline-3,3′-pyrroles] via a cycloaddition reaction of α,β-unsaturated aldimines and MBH adducts of isatins was successfully developed.
Topics & Concepts
IndolineCycloadditionChemistryAldimineAdductMedicinal chemistryOrganic chemistryCatalysisChemical synthesis and alkaloidsAsymmetric Synthesis and CatalysisOxidative Organic Chemistry Reactions