Oxidative Condensations To Form Benzimidazole-Substituted Potassium Organotrifluoroborates
作者:Gary A. Molander、Kehinde Ajayi
DOI:10.1021/ol301956p
日期:2012.8.17
benzimidazole-substituted potassium organotrifluoroborates was prepared via the condensation of various potassium formyl-substituted aryl- and heteroaryltrifluoroborates with aromatic 1,2-diamines under oxidative conditions. The efficient Suzuki–Miyaura cross-coupling of products thus formed to various aryl and heteroaryl bromides was achieved in good yields. The method allows the facile preparation of benzimidazole-containing