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Palladium(II)-catalyzed intramolecular 1,2-oxidation of allenes involving nitrogen nucleophiles

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
41
Issue
10
Identifiers
DOI: 10.1016/s0040-4039(99)02343-6
Keywords
  • Allenes
  • Cyclization
  • Nitrogen Heterocycles
  • Palladium Catalysis

Abstract

Abstract A series of allenic tosylamides have been prepared and shown to undergo palladium(II)-catalyzed cyclization in the presence of lithium bromide and a copper(II) salt to give pyrrolidines. Palladium-catalyzed 1,2-oxidation of allenic lactams in the presence of LiBr and p-benzoquinone was also studied.

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