Journal of the American Chemical Society, volume 119, issue 17, pages 3887-3897
Well-Defined Ruthenium Olefin Metathesis Catalysts: Mechanism and Activity
Publication type: Journal Article
Publication date: 1997-04-01
Quartile SCImago
Q1
Quartile WOS
Q1
SJR: 5.489
CiteScore: 24.4
Impact factor: 14.4
ISSN: 00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
Several ruthenium-based olefin metathesis catalysts of the formula (PR3)2X2RuCHCHCPh2 have been synthesized, and relative catalyst activities were determined by monitoring the ring-closing metathesis of the acyclic diene diethyl diallylmalonate. The following order of increasing activity was determined: X = I < Br < Cl and PR3 = PPh3 ≪ PiPr2Ph < PCy2Ph < PiPr3 < PCy3. Additional studies were conducted with the catalyst (PCy3)2Cl2RuCH2 to probe the mechanism of olefin metathesis by this class of catalysts. The data support a scheme in which there are two competing pathways: the dominant one in which a phosphine dissociates from the ruthenium center and a minor one in which both phosphines remain bound. Higher catalyst activites could be achieved by the addition of CuCl to the reaction.
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Dias E. L., Nguyen S. T., Grubbs R. K. Well-Defined Ruthenium Olefin Metathesis Catalysts: Mechanism and Activity // Journal of the American Chemical Society. 1997. Vol. 119. No. 17. pp. 3887-3897.
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Dias E. L., Nguyen S. T., Grubbs R. K. Well-Defined Ruthenium Olefin Metathesis Catalysts: Mechanism and Activity // Journal of the American Chemical Society. 1997. Vol. 119. No. 17. pp. 3887-3897.
Cite this
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TY - JOUR
DO - 10.1021/ja963136z
UR - https://doi.org/10.1021/ja963136z
TI - Well-Defined Ruthenium Olefin Metathesis Catalysts: Mechanism and Activity
T2 - Journal of the American Chemical Society
AU - Dias, Eric L
AU - Nguyen, Son Thanh
AU - Grubbs, Robert K.
PY - 1997
DA - 1997/04/01
PB - American Chemical Society (ACS)
SP - 3887-3897
IS - 17
VL - 119
SN - 0002-7863
SN - 1520-5126
ER -
Cite this
BibTex
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@article{1997_Dias,
author = {Eric L Dias and Son Thanh Nguyen and Robert K. Grubbs},
title = {Well-Defined Ruthenium Olefin Metathesis Catalysts: Mechanism and Activity},
journal = {Journal of the American Chemical Society},
year = {1997},
volume = {119},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/ja963136z},
number = {17},
pages = {3887--3897},
doi = {10.1021/ja963136z}
}
Cite this
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Dias, Eric L., et al. “Well-Defined Ruthenium Olefin Metathesis Catalysts: Mechanism and Activity.” Journal of the American Chemical Society, vol. 119, no. 17, Apr. 1997, pp. 3887-3897. https://doi.org/10.1021/ja963136z.