Palladium-Catalyzed Direct C2-Arylation of Benzo[b]thiophenes with Electron-Rich Aryl Halides: Facile Access to Thienoacene Derivatives
作者:Fumiki Ichioka、Yuhei Itai、Yuji Nishii、Masahiro Miura
DOI:10.1055/s-0036-1588994
日期:2017.12
Direct coupling reaction of benzo[b]thiophene and electron-rich aryl bromides was achieved under Pd2(dba)3/SPhos catalysis in the presence of NaOt-Bu. The reaction system was applied for the installation of 2-(methylthio)phenyl group onto thiophene-fused polyaromatic molecules, demonstrating facile synthesis of precursors for thienoacene derivatives.
在 NaOt-Bu 存在下,在 Pd2(dba)3/SPhos 催化下实现了苯并 [b] 噻吩和富电子芳基溴化物的直接偶联反应。该反应体系用于将 2-(甲硫基)苯基安装到噻吩稠合的多芳烃分子上,证明了噻吩并苯衍生物前体的简便合成。