Unexpected Recyclization of 1H-δ-Carbolines to Pyrrolo[1,2-a]indoles
✍ Scribed by S.Yu. Ryabova; L.M. Alekseeva; A.S. Shashkov; V.G. Granik
- Book ID
- 111548072
- Publisher
- Springer US
- Year
- 2003
- Tongue
- English
- Weight
- 164 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0009-3122
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Mitomycin antibiotics (I) have a novel ring system that is aziridinopyrrolo II 1,2-a indoloquinone(1). In synthetic studies on mitomycin analogs Lederle group synthesised 7-benzyloxy-9H-pyrrolo 1,2-a indole(2) and substituted 2,3r.
## Abstract Heating of 1′‐(__N__‐substituted carbamoyl)methylspiro[2__H__‐1‐benzopyran‐2,2′‐[2__H__]indoles] with potassium hydroxide in ethanol yields diastereomeric 5a,13‐methano‐6__H__‐1,3‐benzoxazepino[3,2‐__a__]indole‐12‐carbox‐amides. Reduction of the latter with sodium borohydride affords 1,