4.4 Article

Synthesis of highly substituted pyrrolidines via palladium catalysed formal [2+3] cycloaddition of 5-vinyloxazolidin-2-ones to activated alkenes

Journal

TETRAHEDRON LETTERS
Volume 46, Issue 37, Pages 6261-6264

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2005.07.053

Keywords

pyrrolidine; synthesis; palladium; catalytic; cycloaddition

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Glycine-derived N-tosyl-5,5-divinyloxazolidin-2-one 10 undergoes a palladium catalysed decarboxylative ring-opening cyclization with strongly electron deficient alkylidenemalonate derivatives to give highly substituted pyrrolidines 14 containing two contiguous quaternary centres. (c) 2005 Elsevier Ltd. All rights reserved.

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