Substrate-controlled Rh(<scp>iii</scp>)-catalyzed regiodivergent annulation towards fused and spiro benzimidazoles
Ying‐Ti Huang, Indrajeet J. Barve, Yi‐Ting Huang, Sandip Dhole, Wei‐Jung Chiu, Chung‐Ming Sun
Abstract
Switchable selectivity towards the formation of two distinct products, benzimidazole-fused isoquinolines and benzimidazole-spiro isoindoles, can be achieved using unsubstituted and substituted benzimidazoles at the ortho -position of the phenyl ring.
Topics & Concepts
ChemistryAnnulationCatalysisSubstrate (aquarium)StereochemistryCombinatorial chemistryOrganic chemistryGeologyOceanographyCatalytic C–H Functionalization MethodsSynthesis and Catalytic ReactionsCatalytic Cross-Coupling Reactions