Trans effect on cobalt porphyrin catalyzed asymmetric cyclopropanation

Ying Chen, X. Peter Zhang

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


A significant trans effect of potential coordinating additives was found in asymmetric cyclopropanation catalyzed by Co(II) complexes of D 2-symmetric chiral porphyrins [Co(1)]. Among different additives, substoichiometric amounts of DMAP resulted in substantial increases in both diastereoselectivity and enantioselectivity. A related solvent effect on the catalytic system was also observed.

Original languageEnglish (US)
Pages (from-to)1697-1700
Number of pages4
Issue number10
StatePublished - May 15 2006


  • Asymmetric catalysis
  • Chiral porphyrins
  • Cobalt
  • Cyclopropanation
  • Trans effect

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry


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