ChemInform Abstract: Synthesis of Functionalized Polycyclic Aromatic Compounds via a Formal [2 + 2]‐Cycloaddition. Issue 29 (22nd July 2014) - Nagamoto, Yuuki; Yamaoka, Yousuke; Fujimura, Shun; Takemoto, Yoshiji; Takasu, Kiyosei