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Reactions of Ruthenium−Benzylidene Complexes with Bis(trimethylsilyl)ethene and Trimethylsilylstyrenes :  Olefin Metathesis versus β-SiMe3 Elimination/Reductive Elimination

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2001

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Pietraszuk, Cezary

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http://nbn-resolving.de/urn:nbn:de:bsz:352-229604
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https://doi.org/10.1021/om010392y
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Organometallics. 2001, 20(22), pp. 4641-4646. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om010392y

Zusammenfassung

The benzylidene complexes [Cl2(PCy3)2RuC(C6H4R-p)H] [R = H (1a), Cl (1b), OMe (1c)] react with (E)-bis(trimethylsilyl)ethene (2) to give 3,3-bis(trimethylsilyl)-1-arylprop-1-ene, H[H(SiMe3)2C]CC(C6H4R-p)H (3a−c). Analogously, reaction of 1a with trimethylsilylstilbene gives H(Ph)CC(SiMe3)H (4a). In contrast, reaction of 1a with para-methoxysubstituted trimethylsilylstilbene, H(Me3Si)CC(C6H4OMe-p)H (4b), affords mixtures of the cross-metathesis product, H(Me3Si)CC(Ph)H, and various propene derivatives. Labeling experiments have been carried out. The mechanism of these reactions is discussed.

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540 Chemie

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ISO 690PIETRASZUK, Cezary, Helmut FISCHER, 2001. Reactions of Ruthenium−Benzylidene Complexes with Bis(trimethylsilyl)ethene and Trimethylsilylstyrenes :  Olefin Metathesis versus β-SiMe3 Elimination/Reductive Elimination. In: Organometallics. 2001, 20(22), pp. 4641-4646. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om010392y
BibTex
@article{Pietraszuk2001React-22960,
  year={2001},
  doi={10.1021/om010392y},
  title={Reactions of Ruthenium−Benzylidene Complexes with Bis(trimethylsilyl)ethene and Trimethylsilylstyrenes :  Olefin Metathesis versus β-SiMe3 Elimination/Reductive Elimination},
  number={22},
  volume={20},
  issn={0276-7333},
  journal={Organometallics},
  pages={4641--4646},
  author={Pietraszuk, Cezary and Fischer, Helmut}
}
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