2011 Volume 40 Issue 9 Pages 939-940
The direct sequential arylation reaction at the C3 and C1 positions of imidazo[1,5-a]pyridines with a variety of aryl iodides catalyzed by [Pd(phen)2](PF6)2 is described. The reaction of unsubstituted imidazo[1,5-a]pyridine with various aryl iodides proceeded selectively at the C3 position to exclusively give the corresponding C3-arylated products. The one-pot double-arylation reaction at the C3 and C1 positions of unsubstituted imidazo[1,5-a]pyridine with different aryl groups was also achieved.
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