Reactions of Benzylidene(pentacarbonyl) Complexes

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1989
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Zeuner, Siegfried
Schmid, Johann
Hofmann, Josef
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SCHUBERT, U., ed.. Advances in Metal Carbene Chemistry. Dordrecht: Springer Netherlands, 1989, pp. 185-188. ISBN 978-94-010-7541-1. Available under: doi: 10.1007/978-94-009-2317-1_23
Zusammenfassung

Benzylidene(pentacarbonyl) complexes of chromium, molybdenum, and tungsten can be prepared from pentacarbonyl[alpha-alkoxybenzyl] metal-lates by alkoxide abstraction with tetrafluoroboric acid. The extreme electrophilicity of their benzylidene carbon atoms dominates their reactivities. They react readily, even at low temperatures, with a large number of nucleophiles (phosphines, ethers, thioethers, carbon monoxide, alkenes, conjugated diolefines, and alkynes), giving coupling products, both those eliminated from the metal and those still coordinated.

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ISO 690FISCHER, Helmut, Siegfried ZEUNER, Johann SCHMID, Josef HOFMANN, 1989. Reactions of Benzylidene(pentacarbonyl) Complexes. In: SCHUBERT, U., ed.. Advances in Metal Carbene Chemistry. Dordrecht: Springer Netherlands, 1989, pp. 185-188. ISBN 978-94-010-7541-1. Available under: doi: 10.1007/978-94-009-2317-1_23
BibTex
@inproceedings{Fischer1989React-23576,
  year={1989},
  doi={10.1007/978-94-009-2317-1_23},
  title={Reactions of Benzylidene(pentacarbonyl) Complexes},
  isbn={978-94-010-7541-1},
  publisher={Springer Netherlands},
  address={Dordrecht},
  booktitle={Advances in Metal Carbene Chemistry},
  pages={185--188},
  editor={Schubert, U.},
  author={Fischer, Helmut and Zeuner, Siegfried and Schmid, Johann and Hofmann, Josef}
}
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    <dcterms:abstract xml:lang="eng">Benzylidene(pentacarbonyl) complexes of chromium, molybdenum, and tungsten can be prepared from pentacarbonyl[alpha-alkoxybenzyl] metal-lates by alkoxide abstraction with tetrafluoroboric acid. The extreme electrophilicity of their benzylidene carbon atoms dominates their reactivities. They react readily, even at low temperatures, with a large number of nucleophiles (phosphines, ethers, thioethers, carbon monoxide, alkenes, conjugated diolefines, and alkynes), giving coupling products, both those eliminated from the metal and those still coordinated.</dcterms:abstract>
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