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Ring transformations in reactions of heterocyclic halogeno compounds with nucleophiles (VII) : Conversion of bromo derivatives of 3-aminopyridine into cyanopyrroles

✍ Scribed by H.J. den Hertog; R.J. Martens; H.C. van der Plas; J. Bon

Publisher: Elsevier Science
Year: 1966
Tongue: French
Weight: 173 KB
Volume: 7
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)76059-x

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✦ Synopsis

Halogenopyridines and derivatives of these substances react with potassium amide in liquid ammonia according to various patterns. Together with normal substitutions of halogen atoms by the amino group, replacements with ortho-, meta---and para-rearrangements have been observed (2).

whereas by nay of exception 3-fluoropyridine is converted into a mixture of fluorinated bipyridines (3). A ring transformation occurs when a

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