The role of [η2-bis(tert-butylsulfonyl)acetylene](carbonyl)(η5-cyclopentadienyl)cobalt(I) as an intermediate in the alkyne dimerisation
Dicarbonyl(η5-cyclopentadienyl)cobalt(I) (1) reacts with the electron-poor alkyne bis(tert-butylsulfonyl)acetylene to give the corresponding cyclobutadiene complex 6, whereas the reaction of [CpCo(CO)2] with dimethyl acetylenedicarboxylate yields the cyclopentadienone complex 7 under the same condit...
Gespeichert in:
| Hauptverfasser: | , , , |
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| Dokumenttyp: | Article (Journal) Festschrift |
| Sprache: | Englisch |
| Veröffentlicht: |
September 8, 2005
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| In: |
European journal of inorganic chemistry
Year: 2005, Heft: 20, Pages: 4090-4093 |
| ISSN: | 1099-0682 |
| DOI: | 10.1002/ejic.200500394 |
| Schlagworte: | |
| Online-Zugang: | Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1002/ejic.200500394 Verlag, lizenzpflichtig, Volltext: https://chemistry-europe.onlinelibrary.wiley.com/doi/abs/10.1002/ejic.200500394 
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| Verfasserangaben: | Tobias H. Staeb, Jorge Chávez, Rolf Gleiter, and Bernhard Nuber |
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| 245 | 1 | 4 | |a The role of [η2-bis(tert-butylsulfonyl)acetylene](carbonyl)(η5-cyclopentadienyl)cobalt(I) as an intermediate in the alkyne dimerisation |c Tobias H. Staeb, Jorge Chávez, Rolf Gleiter, and Bernhard Nuber |
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| 246 | 3 | 3 | |a The role of [eta2-bis(tert-butylsulfonyl)acetylene](carbonyl)(eta5-cyclopentadienyl)cobalt(I) as an intermediate in the alkyne dimerisation |
| 264 | 1 | |c September 8, 2005 | |
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| 500 | |a Dedicated to Prof. Dr. Günter Helmchen on the occasion of his 65th birthday | ||
| 500 | |a Im Titel erscheinen die Ziffern 2 und 5 hochgestellt | ||
| 500 | |a Gesehen am 23.10.2020 | ||
| 520 | |a Dicarbonyl(η5-cyclopentadienyl)cobalt(I) (1) reacts with the electron-poor alkyne bis(tert-butylsulfonyl)acetylene to give the corresponding cyclobutadiene complex 6, whereas the reaction of [CpCo(CO)2] with dimethyl acetylenedicarboxylate yields the cyclopentadienone complex 7 under the same conditions. The cyclobutadiene complex 6 could not be obtained by the treatment of [η2-bis(tert-butylsulfonyl)acetylene](carbonyl)(η5-cyclopentadienyl)cobalt(I) [3(H)] with an excess of bis(tert-butylsulfonyl)acetylene. The same holds for the treatment of 3(H) with dimethyl acetylenedicarboxylate and bis(catecholatoboryl)acetylene. With these results we assume that the monoalkyne complex 3(H) is not an intermediate in the alkyne oligomerisation of electron-poor alkynes, as was shown for electron-rich ones. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005) | ||
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