Page 1. 456 KOTES T he Journal of Organic Chemistry ... 2,2'-Diiodobiphenyl was prepared by the pyrolysis of di- phenyleniodonium iodide.' Peracetic Acid Oxidation and Cyclization. (All prepara- tions with organic peracids should ... Crawford, F. ChuLlr, and E. B. Sandin, J . Amer. ...