ChemInform Abstract: Suzuki Cross‐Coupling of 5‐Bromothieno[2, 3‐b]pyridines for the Convenient Synthesis of 8‐Arylpyrido[3′, 2′:4, 5]thieno[3, 2‐d]pyrimidin‐4‐amines. Issue 23 (16th May 2013)