Abstract
Treatment of ruthenium carbide (H 2IMes)(Cl) 2(PCy 3)RuC (1) with the photoacid generator (PAG) [Ph 3S][OTf] (3) under 254 nm light results in a highly efficient catalyst for ring-closing metathesis (RCM) and ring-opening metathesis polymerization (ROMP) reactions. The reactions proceed via formation of the ruthenium phosphonium alkylidene complex [(H 2IMes)(Cl) 2Ru=C(H)PCy 3][OTf] as the active catalytic species. In the case of ROMP of cycloalkenes, reactions do not require addition of PAG and protonation of 1 proceeds via allylic C-H bond activation of the substrate under UV light.
| Original language | English |
|---|---|
| Pages (from-to) | 5634-5637 |
| Number of pages | 4 |
| Journal | Organometallics |
| Volume | 31 |
| Issue number | 15 |
| DOIs | |
| Publication status | Published - Aug 13 2012 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Organic Chemistry
- Physical and Theoretical Chemistry
- Inorganic Chemistry
Cite this
Photogeneration of a phosphonium alkylidene olefin metathesis catalyst. / Khalimon, Andrey Y.; Leitao, Erin M.; Piers, Warren E.
In: Organometallics, Vol. 31, No. 15, 13.08.2012, p. 5634-5637.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Photogeneration of a phosphonium alkylidene olefin metathesis catalyst
AU - Khalimon, Andrey Y.
AU - Leitao, Erin M.
AU - Piers, Warren E.
PY - 2012/8/13
Y1 - 2012/8/13
N2 - Treatment of ruthenium carbide (H 2IMes)(Cl) 2(PCy 3)RuC (1) with the photoacid generator (PAG) [Ph 3S][OTf] (3) under 254 nm light results in a highly efficient catalyst for ring-closing metathesis (RCM) and ring-opening metathesis polymerization (ROMP) reactions. The reactions proceed via formation of the ruthenium phosphonium alkylidene complex [(H 2IMes)(Cl) 2Ru=C(H)PCy 3][OTf] as the active catalytic species. In the case of ROMP of cycloalkenes, reactions do not require addition of PAG and protonation of 1 proceeds via allylic C-H bond activation of the substrate under UV light.
AB - Treatment of ruthenium carbide (H 2IMes)(Cl) 2(PCy 3)RuC (1) with the photoacid generator (PAG) [Ph 3S][OTf] (3) under 254 nm light results in a highly efficient catalyst for ring-closing metathesis (RCM) and ring-opening metathesis polymerization (ROMP) reactions. The reactions proceed via formation of the ruthenium phosphonium alkylidene complex [(H 2IMes)(Cl) 2Ru=C(H)PCy 3][OTf] as the active catalytic species. In the case of ROMP of cycloalkenes, reactions do not require addition of PAG and protonation of 1 proceeds via allylic C-H bond activation of the substrate under UV light.
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UR - http://www.scopus.com/inward/citedby.url?scp=84864977959&partnerID=8YFLogxK
U2 - 10.1021/om3005965
DO - 10.1021/om3005965
M3 - Article
VL - 31
SP - 5634
EP - 5637
JO - Organometallics
JF - Organometallics
SN - 0276-7333
IS - 15
ER -