6954-19-4Relevant articles and documents
COUPLING OF INDOLEACETIC ACID TRIANION OR METHYL INDOLEACETIC ACID DIANION. A BIOMIMETIC APPROACH TO INDOLOCARBAZOLE ALKALOIDS.
Bergman, J.,Pelcman, B.
, p. 4441 - 4444 (2007/10/02)
The bisindolesuccinic acid ester 8b was obtained as a mixture of diastereomers by iodine promoted coupling of the dianion 7b or via the trianion 7a.The diester was converted to the N-benzylimide 10 which was oxidatively cyclized to the indolopyrrol