Efficient synthesis of 6-aryl-2-chloronicotinic acids via pd catalyzed regioselective suzuki coupling of 2,6-dichloronicotinic acid
作者:Mingliang Ma、Chengwei Li、Xiaoyan Li、Ke Wen、Yahu A. Liu
DOI:10.1002/jhet.5570450646
日期:2008.11
A regioselectiveSuzukicoupling of 2,6-dichloronicotinic acid with aryl boronic acids to synthesize 6-aryl-2-chloronicotinic acids is described. Regioselectivity was achieved in aqueous dioxane using the routinely used catalyst Pd(PPh3)4.