Inter- and intramolecular reactions of nitrenes and their cyclic isomers in the photodecomposition of some substituted 2-azidophenazines
β Scribed by Albini, Angelo; Bettinetti, Gianfranco; Minoli, Giovanna
- Book ID
- 126188719
- Publisher
- American Chemical Society
- Year
- 1987
- Tongue
- English
- Weight
- 847 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0022-3263
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π SIMILAR VOLUMES
2-Phenylsulphonyl cyclic ethers undergo facile displacement of the sulphonyl group by alcohols, in the presence of magnesium bromide etherate and sodium bicarbonate in tetrahydrofuran, to give good yields of the corresponding acetals. The preparation of tetrahydro-pyran and -furan ethers typically
The lead tetraacetate (LTA) oxidation of saturated alcohols in non-polar solvents affords usually as major products unsubstituted tetrahydrofuran-type ethers, the formation of which involves intramolecular 1,5-hydrogen abstraction by the initially produced alkoxy radicals, followed by internal attac
Hindered biaryls and heterobiaryls are even easier to prepare by intramolecular free radical [1,5] ipso substition using sulfonamide and sulfonate tethering chains, since the introduction of either electron releasing or electron withdrawing groups ortho to the sulfonyl substituted acceptor ring faci