,  том 127 ,  издание 14 ,  страницы 5032-5033

Direct Observation of a 14-Electron Ruthenacyclobutane Relevant to Olefin Metathesis

Тип публикации: Journal Article
Дата публикации: 2005-03-17
SCImago Q1
Tоп 10% SCImago
WOS Q1
БС1
SJR: 5.491
CiteScore: 22
Impact factor: 16.6
ISSN: 00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Краткое описание
The 14-electron ruthenium phosphonium alkylidene complex [(IH2Mes)Cl2Ru=CH(PCy3)][B(C6F5)4], 1b, a highly active olefin metathesis catalyst, reacts with stoichiometric quantities of ethylene at -50 degrees C in CD2Cl2 to generate the ruthenacyclobutane complex [(IH2Mes)Cl2RuCH2CH2CH2], 2, and [CH2=CH(PCy3)][B(C6F5)4] in quantitative yield by NMR spectroscopy. 1H and 13C NMR spectroscopies on 2 and 2-13C3 are consistent with a symmetrical C2v structure, providing the first experimental information concerning this crucial intermediate in ruthenium-mediated olefin metathesis. At -50 degrees C, exchange with free ethylene takes place on the chemical time scale. Complex 2 decomposes in solution upon warming to room temperature, generating propene and unknown ruthenium product(s).
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ГОСТ |
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Romero P. E., Piers W. E. Direct Observation of a 14-Electron Ruthenacyclobutane Relevant to Olefin Metathesis // Journal of the American Chemical Society. 2005. Vol. 127. No. 14. pp. 5032-5033.
ГОСТ со всеми авторами (до 50) Скопировать
Romero P. E., Piers W. E. Direct Observation of a 14-Electron Ruthenacyclobutane Relevant to Olefin Metathesis // Journal of the American Chemical Society. 2005. Vol. 127. No. 14. pp. 5032-5033.
RIS |
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TY - JOUR
DO - 10.1021/ja042259d
UR - https://doi.org/10.1021/ja042259d
TI - Direct Observation of a 14-Electron Ruthenacyclobutane Relevant to Olefin Metathesis
T2 - Journal of the American Chemical Society
AU - Romero, Patricio E
AU - Piers, Warren E.
PY - 2005
DA - 2005/03/17
PB - American Chemical Society (ACS)
SP - 5032-5033
IS - 14
VL - 127
PMID - 15810833
SN - 0002-7863
SN - 1520-5126
ER -
BibTex |
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BibTex (до 50 авторов) Скопировать
@article{2005_Romero,
author = {Patricio E Romero and Warren E. Piers},
title = {Direct Observation of a 14-Electron Ruthenacyclobutane Relevant to Olefin Metathesis},
journal = {Journal of the American Chemical Society},
year = {2005},
volume = {127},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/ja042259d},
number = {14},
pages = {5032--5033},
doi = {10.1021/ja042259d}
}
MLA
Цитировать
Romero, Patricio E., and Warren E. Piers. “Direct Observation of a 14-Electron Ruthenacyclobutane Relevant to Olefin Metathesis.” Journal of the American Chemical Society, vol. 127, no. 14, Mar. 2005, pp. 5032-5033. https://doi.org/10.1021/ja042259d.
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