TY - JOUR AU - Wang, Hanyang; Chen, Chunxia; Huang, Zhangjie; Yao, Liping; Li, Bin; Peng, Jinsong TI - Palladium-Catalyzed Double C–H Arylation Reaction: Tandem Synthesis of Benzo[a]imidazo[5,1,2-cd]indolizines from Imidazo[1,2-a]pyridines and o-Dihaloarenes SN - 0039-7881 SN - 1437-210X PY - 2015 JO - Synthesis JF - Synthesis LA - EN VL - 47 IS - 16 SP - 2457 EP - 2466 ET - 2015/06/19 DA - 2015/08/04 KW - palladium KW - C–H activation KW - arylation KW - tandem synthesis KW - indolizine-fused polycyclics AB - A palladium-catalyzed direct arylation of 2-arylimidazo[1,2-a]pyridines with o-dihaloarenes via double C–H activation is described. The process comprises intermolecular C3-arylation of 2-arylimidazo[1,2-a]pyridines followed by an intramolecular C5-arylation in a highly regioselective fashion, affording benzo[a]imidazo[5,1,2-cd]indolizine derivatives in moderate to good yields. PB - © Georg Thieme Verlag DO - 10.1055/s-0034-1380865 UR - http://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-0034-1380865 ER -