Asymmetric synthesis of cis- and trans-2,5-disubstituted pyrrolidines from 3-oxo pyrrolidine 2-phosphonates: synthesis of (+)-preussin and analogs

Org Lett. 2008 Apr 3;10(7):1433-6. doi: 10.1021/ol800255r. Epub 2008 Mar 11.

Abstract

Pyrrolidine enones, derived from 3-oxo pyrrolidine 2-phosphonates and a HWE reaction with aldehydes, on Luche reduction give pyrrolidine allylic alcohols. The alcohols on hydrogenation (Pd/H2) give cis-2,5-disubstituted pyrrolidines and on treatment with TFA-NaBH3CN undergo a hydroxy directed reduction to trans-2,5-disubstituted pyrrolidines.

Publication types

  • Research Support, N.I.H., Extramural

MeSH terms

  • Anisomycin / analogs & derivatives*
  • Anisomycin / chemical synthesis
  • Anisomycin / chemistry
  • Catalysis
  • Organophosphonates / chemistry*
  • Pyrrolidines / chemical synthesis*
  • Pyrrolidines / chemistry
  • Stereoisomerism

Substances

  • Organophosphonates
  • Pyrrolidines
  • preussin
  • Anisomycin