172950-90-2Relevant academic research and scientific papers
SIMPLE SYNTHESIS OF 2,2'-BISINDOLE FROM INDIGO AND ITS APPLICATION FOR THE SYNTHESIS OF INDOLOPYRROLOCARBAZOLE-5,7-(6H)DIONE AND 5-(6H)ONE DERIVATIVES
Somei, Masanori,Hayashi, Hiroyuki,Izumi, Tohru,Ohmoto, Shinobu
, p. 2161 - 2164 (2007/10/03)
Indigo was converted to 2,2'-bisindole, from which 6-substituted indolopyrrolocarbazole-5,7-(6H)dione and -5-(6H)one derivatives were prepared in short steps.Bromination of 6-methylindolopyrrolocarbazole-5,7-(6H)dione is also r
