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- W1991831439 abstract "Durch Umsetzung von Tetracarbonyl-di-μ-chloro-dirhodium (1) mit Tri-tert-butylarsan (2) und Alkyl(trimethylsilyl)sulfiden (4) werden die Komplexe [Rh2(CO)2(AstBu3)2Cl(SR)] (5a–c) dargestellt. Die Komplexe 5b und c mit Trialkoxysilyl-Gruppen [R(MeO)3SiCH2CH2, (MeO)3SiCH2CH2CH2] werden auf Silicagel fixiert. Die Röntgenstrukturanalyse von [Rh2(CO)2- (AstBu3)2Cl(StBu)] (5a) zeigt das Vorliegen von cis-konfigurierten Tri-tert-butylarsan-Gruppen. Die neuen Komplexe katalysieren die Hydroformylierung von Cyclohexen und die Isomerisierung von Allylbenzol (8) zu cis- und trans-β-Methylstyrol (9). Während lösliches 5a die Hydrierung von Olefinen katalysiert, sind die Heterogenkatalysatoren 6b und c hierbei völlig inaktiv. Synthesis, Structure, and Catalytic Activity of μ-(Alkylthio)-dicarbonyl-μ-chloro-bis(tri-tert-butylarsane)dirhodium Complexes Tetracarbonyl-di-μ-chloro-dirhodium (1) reacts with tri-tert-butylarsane (2) and alkyl trimethylsilyl sulfides (4) to give complexes [Rh2(CO)2(AstBu3)2Cl(SR)] (5a–c). The complexes 5b and c with the surface active trialkoxysilyl groups [R(MeO)3SiCH2CH2, (MeO)3SiCH2CH2CH2] are bound to fused silica support. The X-ray structural analysis of[Rh2(CO)2(AstBu3)2Cl(StBu)] (5a) indicates a cis-configuration of the tri-tert-butylarsane ligands. The new complexes catalyze the hydroformylation of cyclohexene, and the isomerization of allylbenzene (8) into cis- and trans-β-methylstyrene (9). The soluble complex 5a was shown to be an extremely effective olefin hydrogenation catalyst, whereas the supported complexes 6b and c were completely inactive in this process." @default.
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- W1991831439 title "Synthese, Struktur und katalytische Aktivität von μ‐(Alkylthio)‐dicarbonyl‐μ‐chloro‐bis(tri‐ <i>tert</i> ‐butylarsan)‐dirhodium‐Komplexen" @default.
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- W1991831439 doi "https://doi.org/10.1002/cber.19851180716" @default.
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