Abstract
The chiral N-heterocyclic carbene-catalyzed [4 + 2] cyclization of α-chloroaldehydes and arylidene indanediones was developed, giving the corresponding indenopyrones in good yields with high diastereoselectivities and enantioselectivities.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Aldehydes / chemical synthesis
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Aldehydes / chemistry*
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Catalysis
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Cyclization
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Halogenation
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Heterocyclic Compounds / chemical synthesis
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Heterocyclic Compounds / chemistry*
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Indenes / chemical synthesis*
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Indenes / chemistry
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Methane / analogs & derivatives*
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Methane / chemical synthesis
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Methane / chemistry
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Pyrones / chemical synthesis*
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Pyrones / chemistry
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Stereoisomerism
Substances
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Aldehydes
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Heterocyclic Compounds
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Indenes
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Pyrones
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carbene
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Methane