Sequential Metal-CatalyzedN-Heteroarylation and C–C Cross-Coupling Reactions: An Expedient Route to Tris(hetero)aryl Systems
作者:Jamie S. Siddle、Andrei S. Batsanov、Martin R. Bryce
DOI:10.1002/ejoc.200800018
日期:2008.6
1-methylbenzimidazolone, imidazole and pyrrole. The products of these reactions then undergo palladium-catalyzed C–Ccross-couplings with aryl or heteroarylboronic acids under Suzuki–Miyaura conditions to provide a rapid entry, from readily-available reagents, into tris(hetero)aryl scaffolds comprising two or three N-heterocyclic rings. The sequential N–C and C–C couplings can be performed in a one-pot process (two