Ru(II)-Catalyzed Selective C–H Amination of Xanthones and Chromones with Sulfonyl Azides: Synthesis and Anticancer Evaluation
作者:Youngmi Shin、Sangil Han、Umasankar De、Jihye Park、Satyasheel Sharma、Neeraj Kumar Mishra、Eui-Kyung Lee、Youngil Lee、Hyung Sik Kim、In Su Kim
DOI:10.1021/jo501709f
日期:2014.10.3
ruthenium-catalyzed selective amination of xanthones and chromones C–H bonds with sulfonyl azides is described. The reactions proceed efficiently with a broad range of substrates with excellent functional group compatibility. This protocol provides direct access to 1-aminoxanthones, 5-aminochromones, and 5-aminoflavonoid derivatives known to exhibit potent anticancer activity.