ChemInform Abstract: A Convenient Two‐Step Synthesis of 7‐Aryl‐6, 7‐dihydrothieno[2, 3‐b]pyrazines (IV) from Aryl(3‐chloropyrazin‐2‐yl)methanones (I). Issue 44 (14th October 2013) - Kobayashi, Kazuhiro