Synthesis of dibenzo[c,g]-2,5-diaza-1,6-
β
Chikara Kaneko; Sachiko Yamada; Masayuki Ishikawa
π
Article
π
1970
π
Elsevier Science
π
French
β 244 KB
We have found that irradiation of 7-oxide 2, (9 or l&3) of benzo[a]phenazine and benz[a]acridine in ethanol gives rise to the title compound (2 or 2) in a