1958
DOI: 10.1002/zaac.19582960111
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Zur Kenntnis der Eisencarbonylchalkogenide

Abstract: Eisencarbonylchalkogenide, wie sie früher bei der Hochdrucksynthese von Eisenpentacarbonyl bei Anwesenheit von Schwefel oder Selen beobachtet wurden, lassen sich besonders vorteilhaft durch Reaktion von schwefliger, seleniger oder telluriger Säure mit einer wäßrig‐alkalischen Lösung von Tetracarbonylferrat darstellen. Es handelt sich um diamagnetische, relativ beständige und tieffarbige, hydrophobe Trieisen‐enneacarbonyl‐dichalkogenide entspr. Fe3X2(CO)9 (X = S, Se, Te); die frühere, hiervon abweichende Formul… Show more

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Cited by 282 publications
(112 citation statements)
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“…[15,16] These short E À E bond lengths suggest a significantly enhanced nucleophilicity for the EÀE bridge. [15±17] Owing to the long SÀS atomic bond length in 8 relative to that in [Fe 2 (m-S 2 )(CO 6 )], [14] a lower basicity is expected, and hence a corresponding reactivity pattern as was observed for [Fe 2 (m-S 2 )(CO 6 )] [16,17] is not to be expected for 8.…”
mentioning
confidence: 45%
See 1 more Smart Citation
“…[15,16] These short E À E bond lengths suggest a significantly enhanced nucleophilicity for the EÀE bridge. [15±17] Owing to the long SÀS atomic bond length in 8 relative to that in [Fe 2 (m-S 2 )(CO 6 )], [14] a lower basicity is expected, and hence a corresponding reactivity pattern as was observed for [Fe 2 (m-S 2 )(CO 6 )] [16,17] is not to be expected for 8.…”
mentioning
confidence: 45%
“…The SÀS bond length is 3.28 . This is well out of the range of E À E bond lengths found in tetrahedral transition metal clusters ([Fe 2 (m-E 2 )(CO 6 )] [14] ) of the bis-chalcogeno bridged Hieber ± Gruber-type A (E S, 2.86 ; [15] E Se, 2.293(2) [16] ), in which EÀE bonding of the bridging chalcogenes has been established in fundamental work by Dahl and co-workers. [15,16] These short E À E bond lengths suggest a significantly enhanced nucleophilicity for the EÀE bridge.…”
mentioning
confidence: 86%
“…I1 and separated into isomers by chron~atography on alumina in pentane. [C6H5SFe(C0)3]2 and S,Fe,(CO), and derivatives of these were made by the methods described in the literature (7,12), purity was checked by melting points and infrared spectra. All other reactions were done under nitrogen by stirring equimolar amounts (2:l for [SCH3Fe(C0),P(CH3),C6H,1,) of the ligand and metal carbonyl in an aromatic solvent.…”
Section: Methodsmentioning
confidence: 99%
“…The seminal structures of C. pasteurianum (Cp) [144] and Desulfovibrio desulfuricans [145][146][147] have increased the focus of work on molecular models. 3 have a long and ongoing history [155][156][157][158][159][160][161][162][163][164] that began 75 years ago (Scheme 1.17).…”
Section: Comentioning
confidence: 99%