122706-55-2Relevant academic research and scientific papers
Cycloheptabenzothiazines and Their Diazine Analogues. 2. Formation and Properties of Cycloheptaquinoxalines
Shindo, Kimio,Ishikawa, Sumio,Nozoe, Tatsuo
, p. 1158 - 1166 (2007/10/02)
2-Chloro- or 2-methoxytropone reacts with o-phenylenediamine to give 2-(D-aminoanilino)tropone, which upon heating provides 6H-cycloheptaquinoxaline (10a).Upon acidification, 10a reversibly gives a green cation, 9a. 10a is easily converted, especially
