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Intramolecular [2+3]-addition of an azide to a C[dbnd]C double bond as a novel approach to piperazines

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
46
Issue
7
Identifiers
DOI: 10.1016/j.tetlet.2004.12.071
Keywords
  • Piperazines
  • Azides
  • Intramolecular Cycloaddition
  • 1
  • 2
  • 3-Triazolines

Abstract

Abstract An intramolecular [2+3]-cycloaddition of an azide to a C C double bond was carried out to obtain hexahydro[1,2,3]triazolo[1,5- a]pyrazines. These compounds were used as intermediates to prepare 2-(halogenomethyl)piperazines that could serve as precursors for various condensed derivatives.

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