Nickel-Catalyzed Suzuki–Miyaura Coupling of Heteroaryl Ethers with Arylboronic Acids
作者:Xiao-Jian Li、Jin-Ling Zhang、Yu Geng、Zhong Jin
DOI:10.1021/jo4005537
日期:2013.5.17
Nickel-catalyzedSuzuki–Miyaura coupling of heteroaryl ethers with arylboronicacids was described. Selective activation of the phenol C–O bonds was achieved by converting them into the corresponding aryl 2,4-dimethoxy-1,3,5-triazine-6-yl ethers, in which aryl C–O bond could be selectively cleaved with inexpensive, air-stable NiCl2(dppf) as a catalyst. Coupling of these readily accessible heteroaryl