Evidence for a Stepwise Ionic Pathway in the Generation of Indole-2,3-quinodimethanes. -A strategy employing C-2 carbon substitution of (I) by NBS bromination is used for an effective synthesis of the lactone (IV). However, contrary to the previously reported analogues (V) compound (IV) is totally
A simple synthesis of N-acetyl-1,4-dihydropyrano[3,4-b]indol-3-one: Evidence for a stepwise ionic pathway in the generation of indole-2,3-quinodimethanes
✍ Scribed by Olga M. Jakiwczyk; Kent E. Nielsen; Helena Nandin de Carvalho; Gary I. Dmitrienko
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- French
- Weight
- 238 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0040-4039
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## Abstract A new four‐component synthesis of spiro[4__H__‐indeno[1,2‐__b__]pyridine‐4,3′‐[3__H__]indoles] and spiro[acenaphthylene‐1(2__H__),4′‐[4__H__‐indeno[1,2‐__b__]pyridines] by the reaction of indane‐1,3‐dione, 1,3‐dicarbonyl compounds, isatins (=1__H__‐indole‐2,3‐diones) or acenaphthylene‐1