Syntheses of heterocyclic compounds. Part XIX. Preparation and nucleophilic reactions of polyhalogeno-substituted N-oxides
- 1 January 1967
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- p. 1249-1254
- https://doi.org/10.1039/j39670001249
Abstract
The preparation and reactions of various polyfluorophenyl-substituted N-oxides with secondary and primary amines are described. The former give predominantly di-ortho- and the latter mono-o-substituted products. p-Substitution prevails, however, with methanol or water as solvent. Structural assignment of the products was made on the basis of their 19F nuclear magnetic resonance spectra and a mechanism to account for the orientation is discussed.Keywords
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