Abstract
A Michael-type reaction of β,γ-unsaturated α-keto ester and α-nitro ketone was established. With a thiourea catalyst derived from cinchona alkaloid, the reactions afford products in 47-94% yields with 68-96% ee.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Catalysis
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Cinchona Alkaloids / chemistry
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Esters / chemistry*
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Ketones / chemistry*
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Molecular Structure
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Nitrogen / chemistry*
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Stereoisomerism
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Thiourea / chemistry
Substances
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Cinchona Alkaloids
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Esters
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Ketones
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Thiourea
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Nitrogen