Abstract
Easy access: a strontium/Schiff base complex as catalyst for the title reaction provided straightforward access to enantiomerically enriched spiro[imidazolidine-4,3'-oxindole] compounds, as well as a spiro[imidazoline-4,3'-oxindole] through a two-step conversion from the Mannich adduct.
Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Catalysis
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Indoles / chemical synthesis*
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Isothiocyanates / chemistry*
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Mannich Bases / chemistry*
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Molecular Structure
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Oxindoles
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Schiff Bases / chemistry*
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Spiro Compounds / chemical synthesis*
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Stereoisomerism
Substances
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Indoles
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Isothiocyanates
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Mannich Bases
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Oxindoles
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Schiff Bases
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Spiro Compounds
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2-oxindole