Intramolecular catalytic cyclization of substituted 2-alkenylanilines
โ Scribed by I. B. Abdrakhmanov; A. G. Mustafin; G. A. Tolstikov; U. M. Dzhemilev
- Book ID
- 112369309
- Publisher
- Springer US
- Year
- 1987
- Tongue
- English
- Weight
- 239 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0009-3122
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๐ SIMILAR VOLUMES
2t2 (III~). This compound was similarly obtained from 0.20 g (0.70 =mole) of u-methyl-3-bromo-5-nitro-2-hydroxycinnamaldehyde. The product was purified with a column packed with silica gel by elution with carbon tetrachloride-ether (3:1). The yield of a7yellowish crystalline powder (from chloroform
Several in-depth studies from these laboratories have demonstrated that arylazirines undergo photocycloaddition with electron deficient olefins. 1-3 It has been suggested that these reactions proceed by way of irreversible opening of the three-membered ring to form a nitrile ylide intermediate which