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Ring transformations in reactions of heterocyclic compounds with nucleophiles : Conversion of pyrimidines into pyrazoles and 1,2,4-triazoles

โœ Scribed by H.C. van der Plas; H. Jongejan


Publisher
Elsevier Science
Year
1967
Tongue
French
Weight
208 KB
Volume
8
Category
Article
ISSN
0040-4039

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Ring transformations in reactions of het
โœ H.J. den Hertog; R.J. Martens; H.C. van der Plas; J. Bon ๐Ÿ“‚ Article ๐Ÿ“… 1966 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 173 KB

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 o