Journal
TETRAHEDRON
Volume 66, Issue 46, Pages 8911-8921Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.09.056
Keywords
Spirooxindoles; Domino reaction; Heck reaction; Cyanation; Heterocycle
Categories
Funding
- CNRS
- Bayer Cropscience
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3'-Alkyl-3-cyanomethyloxindoles, prepared by a palladium-catalyzed domino Heck/cyanation, were efficiently converted to spiropyrrolidinyl-, spiropiperidinyl- and spirocyclopropyl-oxindoles. The so-obtained spirooxindoles bearing three diversity points were further functionalized via selective N-acylation, N-alkylation, N-sulfonylation, SNAr reaction and Buchwald-Hartwig N-arylation reaction to reach diverse set of heterocycles. (C) 2010 Elsevier Ltd. All rights reserved.
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