Regiochemistry of S-alkyl-substituted alkynes in Pauson-Khand reactions: is a correlation with X-ray data and charge distribution calculations of the Co2(CO)6-alkyne complexes possible?
Pauson−Khand reactions (PKR) of RSC⋮CR‘ (6−10) yielded in all cases as the main product the regioisomer with the alkyl-S group disposed α to the CO group (16a−22a). Correlation of these results with X-ray data and charge distribution calculations of the corresponding dicobalthexacarbonyl complexes p...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
08/28/2002
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| In: |
Organic letters
Year: 2002, Jahrgang: 4, Heft: 19, Pages: 3301-3304 |
| ISSN: | 1523-7052 |
| DOI: | 10.1021/ol026578q |
| Online-Zugang: | Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1021/ol026578q Verlag, lizenzpflichtig, Volltext: https://pubs.acs.org/doi/10.1021/ol026578q 
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| Verfasserangaben: | J. Hilko Schulte, Rolf Gleiter, and Frank Rominger |
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| 520 | |a Pauson−Khand reactions (PKR) of RSC⋮CR‘ (6−10) yielded in all cases as the main product the regioisomer with the alkyl-S group disposed α to the CO group (16a−22a). Correlation of these results with X-ray data and charge distribution calculations of the corresponding dicobalthexacarbonyl complexes proves that a recently postulated “trans effect” in these complexes is not suitable for predicting the regiochemical outcome of the PKR unambiguously. | ||
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