Two-Electron Oxidations at a Single Cerium Center

Y Wang, J Liang, C Deng, R Sun, PX Fu… - Journal of the …, 2023 - ACS Publications
Two-electron oxidations are ubiquitous and play a key role in the synthesis and catalysis.
For transition metals and actinides, two-electron oxidation often takes place at a single-metal …

δ-Bonding modulates the electronic structure of formally divalent nd 1 rare earth arene complexes

RE MacKenzie, T Hajdu, JA Seed, GFS Whitehead… - Chemical …, 2024 - pubs.rsc.org
Landmark advances in rare earth (RE) chemistry have shown that divalent complexes can
be isolated with non-Aufbau 4fn {5d/6s} 1 electron configurations, facilitating remarkable …

Room-Temperature Stable Ln (II) Complexes Supported by 2, 6-Diadamantyl Aryloxide Ligands

LM Anderson-Sanchez, JM Yu, JW Ziller… - Inorganic …, 2023 - ACS Publications
The sterically bulky aryloxide ligand OAr*(OAr*=–OC6H2-Ad2-2, 6tBu-4; Ad= 1-adamantyl)
has been used to generate Ln (II) complexes across the lanthanide series that are more …

Isolation and redox reactivity of cerium complexes in four redox states

FC Hsueh, T Rajeshkumar, L Maron, R Scopelliti… - Chemical …, 2023 - pubs.rsc.org
The chemistry of lanthanides is limited to one electron transfer reactions due to the difficulty
of accessing multiple oxidation states. Here we report that a redox-active ligand combining …

Synthesis of Crystallographically Characterizable Bis(cyclopentadienyl) Sc(II) Complexes: (C5H2tBu3)2Sc and {[C5H3(SiMe3)2]2ScI}1–

JD Queen, LM Anderson-Sanchez… - Journal of the …, 2024 - ACS Publications
The synthesis of previously unknown bis (cyclopentadienyl) complexes of the first transition
metal, ie, Sc (II) scandocene complexes, has been investigated using C5H2 (tBu) 3 (Cpttt) …

Lanthanides and actinides: Annual survey of their organometallic chemistry covering the year 2018

FT Edelmann, JH Farnaby, F Jaroschik… - Coordination Chemistry …, 2019 - Elsevier
This review summarizes the progress in organo-f-element chemistry during the year 2018. A
continuing trend for many years, which remained important in 2018, was the synthesis and …

High-Resolution X-ray Photoelectron Spectroscopy of Organometallic (C5H4SiMe3)3LnIII and [(C5H4SiMe3)3LnII]1– Complexes (Ln = Sm, Eu, Gd, Tb)

DN Huh, JP Bruce… - Journal of the …, 2021 - ACS Publications
The capacity of X-ray photoelectron spectroscopy (XPS) to provide information on the
electronic structure of molecular organometallic complexes of Ln (II) ions (Ln= lanthanide) …

Arene-bridged dithorium complexes: inverse sandwiches supported by a δ bonding interaction

C Yu, J Liang, C Deng, G Lefèvre… - Journal of the …, 2020 - ACS Publications
A series of arene-bridged dithorium complexes was synthesized via the reduction by
potassium graphite of a Th (IV) precursor in the presence of arenes. All these compounds …

The importance of the counter-cation in reductive rare-earth metal chemistry: 18-crown-6 instead of 2, 2, 2-cryptand allows isolation of [Y II (NR 2) 3] 1− and ynediolate …

AJ Ryan, JW Ziller, WJ Evans - Chemical science, 2020 - pubs.rsc.org
The use of 18-crown-6 (18-c-6) in place of 2.2. 2-cryptand (crypt) in rare earth amide
reduction reactions involving potassium has proven to be crucial in the synthesis of Ln (II) …

Isolation of U (II) compounds using strong donor ligands, C 5 Me 4 H and N (SiMe 3) 2, including a three-coordinate U (II) complex

AJ Ryan, MA Angadol, JW Ziller… - Chemical …, 2019 - pubs.rsc.org
New examples of uranium in the formal+ 2 oxidation state have been isolated by reduction
of Cptet3U (Cptet= C5Me4H) and U (NR2) 3 (R= SiMe3) in the presence of 2.2. 2-cryptand …