Palladium (II)-Catalyzed Sequential C–H Arylation/Aerobic Oxidative C–H Amination: One-Pot Synthesis of Benzimidazole-Fused Phenanthridines from 2- …

…, C Chen, Y Yue, Y Yu, J Peng

Index: Ueda, Satoshi; Ali, Siraj; Fors, Brett P.; Buchwald, Stephen L. Journal of Organic Chemistry, 2012 , vol. 77, # 5 p. 2543 - 2547

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Citation Number: 9

Abstract

... reactivity was observed in the presence of phosphorus ligands (entries 2–9). It turned out that Buchwald-type ligand ... For 4-methyl-substituted benzimidazoles, oxidative C–H amination occurred specifically at the sterically accessible N atom to give ... 8 c, 1a, p-Me-C 6 H 4 Br, 3ab, 36 ...