1988
DOI: 10.1021/ja00225a067
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Uranium alkoxide chemistry. 1. Synthesis and the novel dimeric structure of the first homoleptic uranium(III) aryloxide complex

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Cited by 106 publications
(105 citation statements)
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“…The 1 H NMR spectrum collected in C 6 D 6 was consistent with the formation of complex 14. 38 (15). A 125 mL side arm flask was charged with a stir bar, UI 3 (1,4-dioxane) 1.5 (10) (1.00 g, 1.33 mmol), Na[N(SiMe 3 ) 2 ] (0.733 g, 4.00 mmol), and THF (45 mL).…”
Section: Synthesis Of Ui 3 (Thf) 4 (11) a 20 ML Scintillation Vial Wasmentioning
confidence: 99%
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“…The 1 H NMR spectrum collected in C 6 D 6 was consistent with the formation of complex 14. 38 (15). A 125 mL side arm flask was charged with a stir bar, UI 3 (1,4-dioxane) 1.5 (10) (1.00 g, 1.33 mmol), Na[N(SiMe 3 ) 2 ] (0.733 g, 4.00 mmol), and THF (45 mL).…”
Section: Synthesis Of Ui 3 (Thf) 4 (11) a 20 ML Scintillation Vial Wasmentioning
confidence: 99%
“…The 1,4-dioxane ligands in complex 10 are readily displaced by other strong donors such as THF or pyridine to quantitatively access the known complexes UI 3 (THF) 4 (11) 3 and UI 3 (py) 4 (12), 4 respectively. Interestingly, the bidentate ligand DME is not able to displace the coordinated 1,4-dioxane from 10 to form the known adduct UI 3 (DME) 2 , even when heated to 75°C for 2 h. The aryloxide and homoleptic amide complexes U(OAr) 3 (THF) (Ar = 2,6-t Bu 2 C 6 H 3 (13); 38 (17) 43 ) can be synthesized in high yield by reacting 10 with 2 equiv of K(C 5 Me 4 R) (R = Me, Et). Finally, complex 10 reacts with tert-butylamine and iodine in THF, followed by Ph 3 PdO in toluene, to give the linear bis(imido) uranium(VI) complex 18 in 46% isolated yield.…”
Section: ' Introductionmentioning
confidence: 99%
“…A prominent example of the use of the bulky aryloxide ligand (OC 6 H 3 -2,6-Pr i 2 ) was in the stabilization of the homoleptic dimer {U(OC 6 H 3 -2,6-Pr i 2 ) 3 } 2 ( Fig. 3) [47].…”
Section: Bulky Alkoxide and Aryloxide Ligandsmentioning
confidence: 99%
“…Die Behandlung von 75 mit drei Äquivalenten DippOH führte zur Bildung des Dimers [{U(ODipp) 3 } 2 ] ( 137 ), das U⋅⋅⋅η 6 ‐Aren‐Wechselwirkungen aufzeigt (Abbildung 24). 166 Gleichzeitig wurde der verwandte Komplex [U(ODitb) 3 ] ( 19 , siehe Schema ) beschrieben, dessen Charakterisierung durch IR‐Analyse zeigte, dass es sich um ein Monomer handelt, was dann 2011 durch eine Festkörperstrukturanalyse bestätigt wurde 115. Der Komplex 19 ist eindeutig nicht vollständig sterisch gesättigt, da das tetravalente Analogon [U(ODitb) 4 ] ( 63 ) synthetisiert werden kann und ebenfalls ein Monomer darstellt 167…”
Section: Häufige Ligandenklassen In Der Nichtwässrigen Uranchemieunclassified