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Intramolecular 1,3-dipolar cycloadditions of dihydroimidazolium ylides: synthesis of pyrrolo[1,2,3-de]quinoxalines and imidazo[1,2-a]indoles

โœ Scribed by Lory, Pedro M. J.; Jones, Raymond C. F.; Iley, James N.; Coles, Simon J.; Hursthouse, Michael B.

Book ID
119953125
Publisher
Royal Society of Chemistry
Year
2006
Tongue
English
Weight
344 KB
Volume
4
Category
Article
ISSN
1477-0520

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๐Ÿ“œ SIMILAR VOLUMES

Intramolecular 1,3-Dipolar Cycloaddition
Intramolecular 1,3-Dipolar Cycloadditions of Dihydroimidazolium Ylides: Synthesis of Pyrrolo[1,2,3-de]quinoxalines and Imidazo[1,2-a]indoles.
โœ Pedro M. J. Lory; Raymond C. F. Jones; James N. Iley; Simon J. Coles; Michael B. ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› John Wiley and Sons โš– 23 KB ๐Ÿ‘ 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

Pyrrolo[1,2,3-de]quinoxalines: unexpecte
Pyrrolo[1,2,3-de]quinoxalines: unexpected products from 1,3-dipolar cycloaddition of dihydroimidazolium ylides
โœ Raymond C.F Jones; James N Iley; Pedro M.J Lory; Simon C Coles; Mark E Light; Mi ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 94 KB

4,5-Dihydroimidazoles undergo an N-alkylation and 1,3-dipolar cycloaddition cascade with unsaturated a-bromoketones, with subsequent eliminative ring-opening, recyclisation and tautomerisation to form unexpected hexahydropyrrolo[1,2,3de]quinoxalines.