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Neutral Ruthenium Carbene Complexes bearing N,N,O Heteroscorpionate Ligands: Syntheses and Activity in Metathesis Reactions

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2008

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Kopf, Henning
Pietraszuk, Cezary
Hübner, Eike
Burzlaff, Nicolai

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https://doi.org/10.1021/om8006129
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Organometallics. American Chemical Society (ACS). 2008, 27(22), pp. 5894-5905. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om8006129

Zusammenfassung

Neutral Fischer-type ruthenium(II) aminocarbene complexes bearing the bis(3,5-dimethylpyrazol-1-yl)acetato (bdmpza) ligand have been synthesized by addition of ammonia or methylamine to the α-carbon atom of vinylidene and allenylidene complexes. Reaction with dimethylamine was not successful. These differences in the chemical behavior can be explained by the intermediate formation of intramolecular hydrogen bridges that have been indicated by DFT calculations. Furthermore, octahedral ruthenium(II) benzylidene complexes with the bis(pyrazol-1-yl)acetato (bpza) and the bdmpza ligand were obtained by reacting [RuCl2(═CHPh)(PR3)2] (R = Cy, Ph) with K[bpza] or K[bdmpza], respectively. The latter complexes have successfully been tested for RCM reactions.

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ISO 690KOPF, Henning, Bastian HOLZBERGER, Cezary PIETRASZUK, Eike HÜBNER, Nicolai BURZLAFF, 2008. Neutral Ruthenium Carbene Complexes bearing N,N,O Heteroscorpionate Ligands: Syntheses and Activity in Metathesis Reactions. In: Organometallics. American Chemical Society (ACS). 2008, 27(22), pp. 5894-5905. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om8006129
BibTex
@article{Kopf2008Neutr-58656,
  year={2008},
  doi={10.1021/om8006129},
  title={Neutral Ruthenium Carbene Complexes bearing N,N,O Heteroscorpionate Ligands: Syntheses and Activity in Metathesis Reactions},
  number={22},
  volume={27},
  issn={0276-7333},
  journal={Organometallics},
  pages={5894--5905},
  author={Kopf, Henning and Holzberger, Bastian and Pietraszuk, Cezary and Hübner, Eike and Burzlaff, Nicolai}
}
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