Asymmetric Michael addition of gamma,gamma-disubstituted alpha,beta-unsaturated aldehydes to nitroolefins via dienamine catalysis

Org Lett. 2009 Oct 15;11(20):4660-3. doi: 10.1021/ol901939b.

Abstract

The first chemo- and alpha-regioselective asymmetric Michael addition of gamma,gamma-disubstituted alpha,beta-unsaturated aldehydes to nitroolefins has been presented in excellent diastereo- and enantioselectivities (dr up to >99:1, 93-96% ee) via dienamine catalysis. The Michael adducts have been efficiently converted to a number of optically pure cyclic frameworks with versatile scaffold diversity.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aldehydes / chemistry*
  • Alkenes / chemistry*
  • Amines / chemistry*
  • Catalysis
  • Crystallography, X-Ray
  • Stereoisomerism
  • Substrate Specificity

Substances

  • Aldehydes
  • Alkenes
  • Amines