Quantitative catalyst-substrate association relationships between metathesis molybdenum or ruthenium carbene complexes and their substrates

Kyung Hwan Kim, Taedong Ok, Kwangyeol Lee, Hee Seung Lee, Kyu Tae Chang, Hyotcherl Ihee, Jeong Hun Sohn

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Herein we present the long-sought quantitative catalyst-substrate association relationships based on experimentally measured quantitative association preferences of diverse metathesis Mo and Ru catalysts (Mo-1, Schrock Mo; Mo-2, Schrock-Hoveyda Mo; Ru-1, Grubbs first generation Ru; Ru-2, Grubbs second generation Ru; Ru-3:, Grubbs-Hoveyda first generation Ru; and Ru-4, Grubbs-Hoveyda second generation Ru) to their substrates (alkenes, alkynes and allenes), determined directly by a general method based on FRET principle. The determined substrate preferences are proved to be dependent on the molecular identity of the catalyst, exhibiting the preference order of alkyne > alkene > allene for Mo-1 and Mo-2, allene > alkene > alkyne for Ru-1 and Ru-3, and alkyne > allene > alkene for Ru-2 and Ru-4. The results enable us to probe metathesis mechanisms by answering issues in metathesis reactions including the controversial reaction initiation in enyne or allenyne metathesis.

Original languageEnglish
Pages (from-to)12027-12033
Number of pages7
JournalJournal of the American Chemical Society
Volume132
Issue number34
DOIs
Publication statusPublished - 2010 Sep 1

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Alkynes
Molybdenum
Ruthenium
Catalysts
Substrates
carbene
propadiene

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Quantitative catalyst-substrate association relationships between metathesis molybdenum or ruthenium carbene complexes and their substrates. / Kim, Kyung Hwan; Ok, Taedong; Lee, Kwangyeol; Lee, Hee Seung; Chang, Kyu Tae; Ihee, Hyotcherl; Sohn, Jeong Hun.

In: Journal of the American Chemical Society, Vol. 132, No. 34, 01.09.2010, p. 12027-12033.

Research output: Contribution to journalArticle

Kim, Kyung Hwan ; Ok, Taedong ; Lee, Kwangyeol ; Lee, Hee Seung ; Chang, Kyu Tae ; Ihee, Hyotcherl ; Sohn, Jeong Hun. / Quantitative catalyst-substrate association relationships between metathesis molybdenum or ruthenium carbene complexes and their substrates. In: Journal of the American Chemical Society. 2010 ; Vol. 132, No. 34. pp. 12027-12033.
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AU - Chang, Kyu Tae

AU - Ihee, Hyotcherl

AU - Sohn, Jeong Hun

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