Oxidative addition of E− H (E= C, N) bonds to transient uranium (II) centers

W Fang, Y Li, T Zhang, T Rajeshkumar… - Angewandte Chemie …, 2024 - Wiley Online Library
Two‐electron oxidative addition is one of the most important elementary reactions for d‐
block transition metals but it is uncommon for f‐block elements. Here, we report the first …

A route to stabilize uranium (II) and uranium (I) synthons in multimetallic complexes

RA Keerthi Shivaraam, M Keener… - Angewandte Chemie …, 2023 - Wiley Online Library
Herein, we report the redox reactivity of a multimetallic uranium complex supported by
triphenylsiloxide (− OSiPh3) ligands, where we show that low valent synthons can be …

Cooperative dihydrogen activation with unsupported uranium–metal bonds and characterization of a terminal U (iv) hydride

RJ Ward, P Rungthanaphatsophon, P Huang… - Chemical …, 2023 - pubs.rsc.org
Cooperative chemistry between two or more metal centres can show enhanced reactivity
compared to the monometallic fragments. Given the paucity of actinide–metal bonds …

Isolation of C1 through C4 derivatives from CO using heteroleptic uranium (iii) metallocene aryloxide complexes

RJ Ward, I Del Rosal, SP Kelley, L Maron… - Chemical …, 2023 - pubs.rsc.org
The conversion of C1 feedstock molecules such as CO into commodity chemicals is a
desirable, but challenging, endeavour. When the U (III) complex,[(C5Me5) 2U (O-2, 6-tBu2-4 …

Perplexing EPR Signals from 5f36d1 U(II) Complexes

JC Wedal, WNG Moore, WW Lukens… - Inorganic …, 2024 - ACS Publications
Metal complexes with unpaired electrons in orbitals of different angular momentum quantum
numbers (eg., f and d orbitals) are unusual and opportunities to study the interactions among …

Facile Oxidation of Ce (III) to Ce (IV) Using Cu (I) Salts

AJ Gremillion, J Ross, X Yu, P Ishtaweera… - Inorganic …, 2024 - ACS Publications
The synthesis, luminescence, and electrochemical properties of the Ce (III)
compound,[(C5Me5) 2 (2, 6-iPr2C6H3O) Ce (THF)], 1, were investigated. Based on the …

Synthesis and Structure of Heteroleptic [C5Me4(SiMe2tBu)]1– Uranium(III) Complexes

JQ Nguyen, O Nachtigall, AJ Ryan, BN Turpin… - …, 2024 - ACS Publications
The U (III) metallocene chemistry of the [C5Me4 (SiMe2 t Bu)] 1–ligand was explored for
comparison with that of (C5Me5) 1–. Reactions between UI3, UI3 (dioxane) 1.5, or UI3 (THF) …

Synthesis of Trimethyltriazacyclohexane (Me3tach) Sandwich Complexes of Uranium, Neptunium, and Plutonium Triiodides: (Me3tach)2AnI3

JC Wedal, J Murillo, JW Ziller, BL Scott… - Inorganic …, 2022 - ACS Publications
1, 3, 5-Trimethyl-1, 3, 5-triazacyclohexane (Me3tach) readily complexes uranium triiodide to
form (Me3tach) 2UI3. The complex is soluble in THF and arenes and can function as a …

Reduction of CO2 and CS2 with Uranium(III) Metallocene Aryloxides

RJ Ward, SP Kelley, WW Lukens, JR Walensky - Organometallics, 2022 - ACS Publications
The reactivity of two metallocene aryloxide U (III) complexes,[(C5Me5) 2U (O–Ar)], Ar= 4-t
BuC6H4, 1; Ar= 2, 6-t Bu2-4-CH3C6H2 (BHT), 3, with CO2 and CS2 has been investigated …

Trimethyltriazacyclohexane coordination chemistry of simple rare-earth metal salts

JC Wedal, JW Ziller, WJ Evans - Dalton Transactions, 2023 - pubs.rsc.org
Reactions of 1, 3, 5-trimethyl-triazacyclohexane (Me3tach) with common rare-earth metal
iodide, chloride, and triflate salts were examined to determine the capacity of this …