<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>A Pd—poly(1, 2‐diaminobenzene) composite material with palladium nanoparticles with an average size of 3 nm are synthesized from 1, 2‐diaminobenzene (DAB) and K<sub>2</sub>PdCl<sub>4</sub> and successfully used as a catalyst for Suzuki coupling reactions in the absence of any phosphine ligand.</p> </abstract>