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

DOI: 10.3987/COM-95-7192

Source and publish data:

Heterocycles p. 2161 - 2164 (1995)

Update date:2022-08-03

Topics:

Authors:

Somei, Masanori

Hayashi, Hiroyuki

Izumi, Tohru

Ohmoto, Shinobu

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Article abstract of DOI:10.3987/COM-95-7192

Indigo was converted to 2,2'-bisindole, from which 6-substituted indolo<2,3-a>pyrrolo<3,4-c>carbazole-5,7-(6H)dione and -5-(6H)one derivatives were prepared in short steps.Bromination of 6-methylindolo<2,3-a>pyrrolo<3,4-c>carbazole-5,7-(6H)dione is also r

Full text of DOI:10.3987/COM-95-7192

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