Heterocycles in organic synthesis. Part 17. Conversion of primary amines into bromides and chlorides
- 1 January 1979
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 436-441
- https://doi.org/10.1039/p19790000436
Abstract
Primary alkyl, benzyl, and heteroarylamines are converted both by pentaphenyl- and 2,4,6-triphenyl-pyrylium bromides into the corresponding pyridinium bromides. Pyrolysis of the triphenyl derivatives affords a convenient synthesis of alkyl and benzyl bromides. Alkyl and benzyl chlorides are prepared from the corresponding amines via the 2,4,6-triphenylpyridinium tetrafluoroborates by pyrolysis with a KCl–NaCl–ZnCl2 eutectic.Keywords
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