Latent sulfur chelated ruthenium catalysts: Steric acceleration effects on olefin metathesis

Tamar Kost, Mark Sigalov, Israel Goldberg, Amos Ben-Asuly, N. Gabriel Lemcoff

Research output: Contribution to journalShort surveypeer-review

83 Scopus citations

Abstract

A series of sulfur chelated dormant ruthenium olefin metathesis catalysts is presented. The catalysts prepared were shown to possess the uncommon cis-dichloro arrangement and were mostly inactive at room temperature. By systematically modifying the size of the substituent groups at the chelating sulfur atom, catalyst activity at different temperatures was significantly affected; more bulky substituents fomented activity at lower temperatures. The catalysts were also shown to be stable in solution and retained their catalytic activity even after being exposed to air for two weeks.

Original languageEnglish
Pages (from-to)2200-2203
Number of pages4
JournalJournal of Organometallic Chemistry
Volume693
Issue number12
DOIs
StatePublished - 1 Jun 2008

Keywords

  • Latent catalysts
  • Ring closing metathesis
  • Ruthenium
  • Sulfur chelation

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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