Cp*Rh(<scp>iii</scp>)-catalyzed and solvent-controlled tunable [4 + 1]/[4 + 3] annulation for the divergent assembly of dihydrobenzo[<i>cd</i>]indoles and dihydronaphtho[1,8-<i>bc</i>]azepines
Zhuo‐Zhuo Zhang, Ya Li, Bing‐Feng Shi
Abstract
A Cp*Rh-catalyzed solvent-switched tunable [4 + 1]/[4 + 3] cyclization of free 1-naphthylamines with propargyl carbonates is developed, providing dihydrobenzo[ cd ]indoles and dihydronaphtho[1,8- bc ]azepines in moderate to good yields and broad range of functional groups.
Topics & Concepts
ChemistryAnnulationPropargylCatalysisSolventMedicinal chemistryCombinatorial chemistryStereochemistryOrganic chemistryCatalytic C–H Functionalization MethodsCatalytic Alkyne ReactionsCyclopropane Reaction Mechanisms