Palladium-catalyzed butoxycarbonylation of (hetero)aryl multibromides-a practical method for the preparation of aryl carboxylate and carboxylic acid

Supporting Information for Palladium-catalyzed butoxycarbonylation of (hetero)aryl multibromides-a practical method for the preparation of aryl carboxylate and carboxylic acid Weilong Wua, Yongkang Jing a, Deyi Zhang b, Xianghe Yan a, Rong Liang c, Zhiqiang Lu a, Baoming Ji a,* a College of Chemistry and Chemical Engineering and Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, China b College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China c College of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China Corresponding author E-mail: lyhxxjbming@126.com NMR Spectra