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Development of a general, enantioselective organocatalytic Mukaiyama-Michael reaction with ?,?-unsaturated aldehydes.


ABSTRACT: LUMO-lowering organocatalysis has been extended to promote the conjugate addition of S-alkyl and -pyrrolyl silylketene acetals to ?,?-unsaturated aldehydes, yielding both, syn and anti Mukaiyama-Michael products with high levels of enantioselectivity. This strategy allows for the generation of chemically useful 1,5-dicarbonyl systems and again highlights the utility of organocatalysis.

SUBMITTER: Borths CJ 

PROVIDER: S-EPMC4158731 | biostudies-literature | 2009 Aug

REPOSITORIES: biostudies-literature

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Development of a general, enantioselective organocatalytic Mukaiyama-Michael reaction with α,β-unsaturated aldehydes.

Borths Christopher J CJ   Carrera Diane E DE   MacMillan David W C DW  

Tetrahedron 20090801 33


LUMO-lowering organocatalysis has been extended to promote the conjugate addition of <i>S</i>-alkyl and -pyrrolyl silylketene acetals to α,β-unsaturated aldehydes, yielding both, <i>syn</i> and <i>anti</i> Mukaiyama-Michael products with high levels of enantioselectivity. This strategy allows for the generation of chemically useful 1,5-dicarbonyl systems and again highlights the utility of organocatalysis. ...[more]

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