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[1,5]Sigmatropic shift of hydrogen in amination of 3-pyrrolidino-1,2,4-triazine 4-oxide

✍ Scribed by Oleg N. Chupakhin; Valery N. Kozhevnikov; Dmitry N. Kozhevnikov; Vladimir L. Rusinov

Publisher: Elsevier Science
Year: 1999
Tongue: French
Weight: 122 KB
Volume: 40
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(99)01211-3

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✦ Synopsis

The reaction of 3-pyrrolidino-l,2,4-triazine 4-oxide with ammonia leads to the product of tele-substitution of pyrrolidine -5-amino-1,2,4-triazine 4-oxide. Sigmatropic shift of hydrogen postulated for such reactions has been proved by isolation of key intermediates.

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