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Synthesis of 5-alkyl(or aryl)pyrrolo[1,2-a]quinoxalin-4(5H)-ones by denitrocyclisation of N-alkyl(or aryl)-1-(2-nitrophenyl)-1H-pyrrole-2-carboxamides. Evidence of a Smiles rearrangement

✍ Scribed by Georgios Rotas; Athanasios Kimbaris; George Varvounis


Book ID
108282782
Publisher
Elsevier Science
Year
2004
Tongue
French
Weight
309 KB
Volume
60
Category
Article
ISSN
0040-4020

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Synthesis of 9,9-Disubstituted 9H-Pyrrol
✍ Kazuhiro Kobayashi; Kenichi Hashimoto; Hiroo Hashimoto; Hideaki Kondo; Hisatoshi 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 German ⚖ 152 KB

## Abstract A novel method is reported for the synthesis of 9,9‐disubstituted 9__H__‐pyrrolo[1,2‐__a__]indoles. Cyclization of 1‐[2‐(1‐aryl(or methyl)ethenyl)phenyl]‐1__H__‐pyrroles, which can be easily prepared from 2‐(1‐aryl(or methyl)ethenyl)anilines, proceeds smoothly, in general, at 0° in the