Ein einfacher syntheseweg für cyclobutenylidenwolfram-komplexe—struktur von Pentacarbonyl(phenylacetylen) wolfram
| dc.contributor.author | Fischer, Helmut | |
| dc.contributor.author | Volkland, Hans-Peter | deu |
| dc.contributor.author | Früh, Angelika | |
| dc.contributor.author | Stumpf, Rüdiger | deu |
| dc.date.accessioned | 2013-06-26T07:39:05Z | deu |
| dc.date.available | 2013-06-26T07:39:05Z | deu |
| dc.date.issued | 1995 | |
| dc.description.abstract | A convenient method for the preparation of cyclobutenylidene complexes is presented. Photolysis of W(CO)6 in CH2Cl2 gives (CO)5W[CH2Cl2] (2). Substitution of coordinated CH2Cl2 in 2 by terminal alkynes, HCCR, gives thermolabile alkyne(pentacarbonyl)tungsten complexes (CO)5W[HCCR] (3) [R Ph (a), tBu (b), c-Hex (c), COOMe (d), C(CH2)Me (e), CHC(OMe)H (f)]. [2 + 2]-Cycloaddition of the CC bond of N,N-diethylaminoprop-1-yne to that of the coordinated terminal alkyne and subsequent tautomerization afford the cyclobutenylidene complexes (6). Analogously, the successive reactions of 2 with 1-ethynylcyclohexene and N,N-dimethylaminoprop-1-yne give (7). In addition to the compounds 6 and 7 the thermolabile complexes 3a and 3d could also be isolated. The structure of 3a has been established by an X-ray structure analysis. | eng |
| dc.description.version | published | |
| dc.identifier.citation | Journal of Organometallic Chemistry ; 491 (1995), 1-2. - S. 267-273 | deu |
| dc.identifier.doi | 10.1016/0022-328X(94)05256-B | deu |
| dc.identifier.uri | http://kops.uni-konstanz.de/handle/123456789/23264 | |
| dc.language.iso | eng | deu |
| dc.legacy.dateIssued | 2013-06-26 | deu |
| dc.rights | terms-of-use | deu |
| dc.rights.uri | https://rightsstatements.org/page/InC/1.0/ | deu |
| dc.subject.ddc | 540 | deu |
| dc.title | Ein einfacher syntheseweg für cyclobutenylidenwolfram-komplexe—struktur von Pentacarbonyl(phenylacetylen) wolfram | eng |
| dc.type | JOURNAL_ARTICLE | deu |
| dspace.entity.type | Publication | |
| kops.citation.bibtex | @article{Fischer1995einfa-23264,
year={1995},
doi={10.1016/0022-328X(94)05256-B},
title={Ein einfacher syntheseweg für cyclobutenylidenwolfram-komplexe—struktur von Pentacarbonyl(phenylacetylen) wolfram},
number={1-2},
volume={491},
issn={0022-328X},
journal={Journal of Organometallic Chemistry},
pages={267--273},
author={Fischer, Helmut and Volkland, Hans-Peter and Früh, Angelika and Stumpf, Rüdiger}
} | |
| kops.citation.iso690 | FISCHER, Helmut, Hans-Peter VOLKLAND, Angelika FRÜH, Rüdiger STUMPF, 1995. Ein einfacher syntheseweg für cyclobutenylidenwolfram-komplexe—struktur von Pentacarbonyl(phenylacetylen) wolfram. In: Journal of Organometallic Chemistry. 1995, 491(1-2), pp. 267-273. ISSN 0022-328X. eISSN 1872-8561. Available under: doi: 10.1016/0022-328X(94)05256-B | deu |
| kops.citation.iso690 | FISCHER, Helmut, Hans-Peter VOLKLAND, Angelika FRÜH, Rüdiger STUMPF, 1995. Ein einfacher syntheseweg für cyclobutenylidenwolfram-komplexe—struktur von Pentacarbonyl(phenylacetylen) wolfram. In: Journal of Organometallic Chemistry. 1995, 491(1-2), pp. 267-273. ISSN 0022-328X. eISSN 1872-8561. Available under: doi: 10.1016/0022-328X(94)05256-B | eng |
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<dcterms:abstract xml:lang="eng">A convenient method for the preparation of cyclobutenylidene complexes is presented. Photolysis of W(CO)6 in CH2Cl2 gives (CO)5W[CH2Cl2] (2). Substitution of coordinated CH2Cl2 in 2 by terminal alkynes, HCCR, gives thermolabile alkyne(pentacarbonyl)tungsten complexes (CO)5W[HCCR] (3) [R Ph (a), tBu (b), c-Hex (c), COOMe (d), C(CH2)Me (e), CHC(OMe)H (f)]. [2 + 2]-Cycloaddition of the CC bond of N,N-diethylaminoprop-1-yne to that of the coordinated terminal alkyne and subsequent tautomerization afford the cyclobutenylidene complexes (6). Analogously, the successive reactions of 2 with 1-ethynylcyclohexene and N,N-dimethylaminoprop-1-yne give (7). In addition to the compounds 6 and 7 the thermolabile complexes 3a and 3d could also be isolated. The structure of 3a has been established by an X-ray structure analysis.</dcterms:abstract>
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| kops.description.abstract | Eine einfache Methode fur die Synthese von Cclobutenyliden-Komplexen wird vorgestellt. Die Photolyse von W(CO)6 in CH2Cl2 liefert (CO)5W[CH2Cl2] (2). Durch Substitution des koordinierten CH2Cl2 in 2 durch terminale Alkine, HCCR, erhält man thermolabile Alkin(pentacarbonyl)wolfram-Komplexe, (CO)5W[HCCR] (3) [R Ph (a), tBu (b), c-Hex (c), COOMe (d), C(CH2)Me (e), CHC(OMe)H (f)], die mit N,N-Diethylaminoprop-l-in unter [2 + 2]-Cycloaddition der CC-Bindung des Inamins an die des koordinierten terminalen Alkins und anschließende Tautomerisierung zu den Cyclobutenyliden-Komplexen (6) reagieren. Auf analoge Weise erhält man durch sukzessive Umsetzung von 2 mit 1-Ethinylcyclohexen und N,N-Dimethylaminoprop-l-in den Komplex (7). Zusätzlich zu den Verbindungen 6 and 7 konnten auch die thermolabilen Komplexe 3a and 3d isoliert werden. Die Struktur von 3a wurde durch eine Röntgenstrukturanalyse gesichert. | deu |
| kops.flag.knbibliography | false | |
| kops.identifier.nbn | urn:nbn:de:bsz:352-232643 | deu |
| kops.sourcefield | Journal of Organometallic Chemistry. 1995, <b>491</b>(1-2), pp. 267-273. ISSN 0022-328X. eISSN 1872-8561. Available under: doi: 10.1016/0022-328X(94)05256-B | deu |
| kops.sourcefield.plain | Journal of Organometallic Chemistry. 1995, 491(1-2), pp. 267-273. ISSN 0022-328X. eISSN 1872-8561. Available under: doi: 10.1016/0022-328X(94)05256-B | deu |
| kops.sourcefield.plain | Journal of Organometallic Chemistry. 1995, 491(1-2), pp. 267-273. ISSN 0022-328X. eISSN 1872-8561. Available under: doi: 10.1016/0022-328X(94)05256-B | eng |
| kops.submitter.email | karin.hoch@uni-konstanz.de | deu |
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| source.bibliographicInfo.fromPage | 267 | |
| source.bibliographicInfo.issue | 1-2 | |
| source.bibliographicInfo.toPage | 273 | |
| source.bibliographicInfo.volume | 491 | |
| source.identifier.eissn | 1872-8561 | deu |
| source.identifier.issn | 0022-328X | |
| source.periodicalTitle | Journal of Organometallic Chemistry |
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