Chemistry is traditionally divided into organic and inorganic chemistry. Safety of Pd2(DBA)3, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 52409-22-0
Palladium-Catalyzed Direct C2-Arylation of Benzo[ b ]thiophenes with Electron-Rich Aryl Halides: Facile Access to Thienoacene Derivatives
Direct coupling reaction of benzo[ b ]thiophene and electron-rich aryl bromides was achieved under Pd 2 (dba) 3 /SPhos catalysis in the presence of NaO t -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.
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method