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Ruthenium carbene complexes with N,N'-bis(mesityl) imidazol-2-ylidene ligands : RCM catalysts of extended scope

(2000) JOURNAL OF ORGANIC CHEMISTRY. 65(7). p.2204-2207
Author
Organization
Abstract
The ruthenium carbene complexes 3a,b bearing imidazol-2-ylidene ligands constitute excellent precatalysts for ring-closing metathesis (RCM) reactions allowing the formation of tri- and tetrasubstituted cycloalkenes. They also apply to annulations that are beyond the scope of the standard Grubbs carbene 1 as well as to ring-closing reactions of acrylic acid derivatives even if the resulting alpha,beta-unsaturated lactones (or lactams) are tri- or tetrasubstituted. The reactivity of 3a was found to be highly dependent on the reaction medium: particularly high reaction rates are observed in toluene, although this solvent also leads to an increased tendency of the catalyst to isomerize the double bonds of the substrates.
Keywords
RING-CLOSING-METATHESIS, OLEFIN METATHESIS, STRATEGY, LACTONE, DIENES

Citation

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MLA
Furstner, A., et al. “Ruthenium Carbene Complexes with N,N’-Bis(Mesityl) Imidazol-2-Ylidene Ligands : RCM Catalysts of Extended Scope.” JOURNAL OF ORGANIC CHEMISTRY, vol. 65, no. 7, 2000, pp. 2204–07.
APA
Furstner, A., Thiel, O., Ackermann, L., Schanz, H., & Nolan, S. (2000). Ruthenium carbene complexes with N,N’-bis(mesityl) imidazol-2-ylidene ligands : RCM catalysts of extended scope. JOURNAL OF ORGANIC CHEMISTRY, 65(7), 2204–2207.
Chicago author-date
Furstner, A, OR Thiel, L Ackermann, HJ Schanz, and S Nolan. 2000. “Ruthenium Carbene Complexes with N,N’-Bis(Mesityl) Imidazol-2-Ylidene Ligands : RCM Catalysts of Extended Scope.” JOURNAL OF ORGANIC CHEMISTRY 65 (7): 2204–7.
Chicago author-date (all authors)
Furstner, A, OR Thiel, L Ackermann, HJ Schanz, and S Nolan. 2000. “Ruthenium Carbene Complexes with N,N’-Bis(Mesityl) Imidazol-2-Ylidene Ligands : RCM Catalysts of Extended Scope.” JOURNAL OF ORGANIC CHEMISTRY 65 (7): 2204–2207.
Vancouver
1.
Furstner A, Thiel O, Ackermann L, Schanz H, Nolan S. Ruthenium carbene complexes with N,N’-bis(mesityl) imidazol-2-ylidene ligands : RCM catalysts of extended scope. JOURNAL OF ORGANIC CHEMISTRY. 2000;65(7):2204–7.
IEEE
[1]
A. Furstner, O. Thiel, L. Ackermann, H. Schanz, and S. Nolan, “Ruthenium carbene complexes with N,N’-bis(mesityl) imidazol-2-ylidene ligands : RCM catalysts of extended scope,” JOURNAL OF ORGANIC CHEMISTRY, vol. 65, no. 7, pp. 2204–2207, 2000.
@article{8170814,
  abstract     = {The ruthenium carbene complexes 3a,b bearing imidazol-2-ylidene ligands constitute excellent precatalysts for ring-closing metathesis (RCM) reactions allowing the formation of tri- and tetrasubstituted cycloalkenes. They also apply to annulations that are beyond the scope of the standard Grubbs carbene 1 as well as to ring-closing reactions of acrylic acid derivatives even if the resulting alpha,beta-unsaturated lactones (or lactams) are tri- or tetrasubstituted. The reactivity of 3a was found to be highly dependent on the reaction medium: particularly high reaction rates are observed in toluene, although this solvent also leads to an increased tendency of the catalyst to isomerize the double bonds of the substrates.},
  author       = {Furstner, A and Thiel, OR and Ackermann, L and Schanz, HJ and Nolan, S},
  issn         = {0022-3263},
  journal      = {JOURNAL OF ORGANIC CHEMISTRY},
  keywords     = {RING-CLOSING-METATHESIS,OLEFIN METATHESIS,STRATEGY,LACTONE,DIENES},
  language     = {eng},
  number       = {7},
  pages        = {2204--2207},
  title        = {Ruthenium carbene complexes with N,N'-bis(mesityl) imidazol-2-ylidene ligands : RCM catalysts of extended scope},
  url          = {http://dx.doi.org/10.1021/jo9918504},
  volume       = {65},
  year         = {2000},
}

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