... (C) The Chemical Society of Japan 1983 HIGH OXIDIZING ACTIVITY OF 8-AZA-3,10-DIMETHYL- ISOALLOXAZINE (8-AZAFLAVIN) Yumihiko YANO,★Isao YATSU, Eiichi OYA, and Masashi OHSH工MA Department of Chemistry, Faculty of Engineering, Gunma University, Kiryu, Gunma 376 8-Azaflavin was synthesized for the first time, and it was ... 778 Chemistry Letters, 1983 Although it is desireable to adjust the pH of the reaction medium to pKa values ...