Diastereo- and enentioselective cyclopropanation of alkenes catalyzed by ruthenium-Schiff-base complexes

W. Jin*, SonBinh Nguyen

*Corresponding author for this work

Research output: Contribution to journalComment/debatepeer-review

Abstract

A series of ruthenium complexes incorporating ″salen-type″ Schiff-base ligands were prepared and used for alkene cyclopropanation with high trans/cis ratio and high enantioselectivity. Solution NMR and XRD studies show that depending on the ligand characteristic, the metal complex adopts a cis or trans coordination mode, reflecting the catalytic activity in the cyclopropanation reaction. The presence of a potential catalytic intermediate, a metallocarbene species, in solution state was determined. Effects of ligand substituent on the diastereo- and enantioselective cyclopropanation was discussed. Original is an abstract.

Original languageEnglish (US)
JournalACS National Meeting Book of Abstracts
VolumePART 1
StatePublished - Dec 1 1999
EventProceedings of the 1999 218th ACS National Meeting - New Oeleans, LA, United States
Duration: Aug 22 1999Aug 26 1999

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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