4.4 Article

Chiral Bronsted Acids and Their Calcium Salts in Catalytic Asymmetric Mannich Reactions of Cyclic 1,3-Diketones

Journal

SYNLETT
Volume -, Issue 3, Pages 323-326

Publisher

GEORG THIEME VERLAG KG
DOI: 10.1055/s-0030-1259318

Keywords

Mannich reaction; organocatalysis; calcium; BINOL phosphoric acid; amino acid

Funding

  1. Evonik Degussa
  2. DFG

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Asymmetric calcium-catalyzed direct Mannich reactions of 1,3-dicarbonyl compounds with imines have been developed. The reactions proceed under mild conditions and provide the corresponding products with high enantiomeric excess.

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