A new sandwiched iron complex allows chemists to put iron(I) to work in catalytic reactions in the same way chemists use precious metals like palladium. Read more: cen.acs.org/synthesis/re...
#chemsky 🧪
We explored the photophysics of heavy T‑shaped Pn trisamides and uncovered unique behaviour✨
A fantastic collaboration with the Winter and Coburger groups, combining synthesis, spectroscopy, and theory. Stellar work by Katharina and Soti 👏
chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/...
New paper online 🥳
In Franka‘s 2nd paper she successfully synthesized 2 new isolable phosphonioacetylides 🤩 Check out pubs.acs.org/doi/10.1021/... for more details on the design principles and the resulting properties!
Special thanks to @caputogroup.bsky.social for their supporting contribution 🤝
Our latest cover now out in @chemicalscience.rsc.org
✨🐯✨
Our paper ranked among the top 10% most-viewed papers in ChemEurJ, 2024.
This ligand started my independent career at TUM, is a foundation of our work, and it keeps delivering exciting chemistry.
More coming soon 🙂
chemistry-europe.onlinelibrary.wiley.com/doi/full/10....
The latest from the group, now out in @angewandtechemie.bsky.social 🥳
We've accessed heavier alkyne-transition metal complexes which show σ-complex character, in contrast to classical π-complexation 😲 All held together by chelation 🧪🫂🧪
Find it here:
onlinelibrary.wiley.com/doi/10.1002/...
Nice to see our latest work in the ChemistryViews news section - thanks for the coverage!
Check it out, if you wanna know more about our approach of stabilising unusual P-heterocycles in the coordination sphere of transition metals!
www.chemistryviews.org/building-sta...
The latest from the team, and the first for (Bluesky-less) Emeric Schubert 🥳
He uncovered unexpected Ge-H reactivity in the coordination sphere of Ni: dehydrocoupling of Ge-H w/ Si-H bonds, and some neat cycloaddition chem! 🧪 Very cool.
Find it here:
tinyurl.com/4jbwh62e
In this paper, we revisit one of the earliest reported bis(arene) sandwich complexes, [Fe(C6Me6)2], to finally solve a classic textbook question. As one of the reviewers mentioned, this is one for the organometallics purists!
@chemieverband.bsky.social @kit.edu
pubs.acs.org/doi/full/10....
💬🧪 Behind the Science Interview: P. Coburger & S. Frei discuss a method to build highly tunable strongly π-donating zwitterionic diphosphacyclobutadienyl ligands directly in Mn & Co complexes-enabling exploration of transitionmetal chemistry without isolating unstable ligands doi.org/10.1002/chem...
The unique photophysical properties of heavy T-shaped Sb and Bi trisamides are reported. A ligand-to-pnictogen charge-transfer excitation from a redox-active NNN pincer to a vacant pnictogen p-orbita...
chemistry-europe.onlinelibrary.wiley.com
Phosphonioacetylides are rod-shaped, neutral carbon donors with ambiphilic character at the terminal carbon. Despite their analogy to CO and isocyanides, they remain underexplored due to their high reactivity, and only one isolable free phosphonioacetylide has been reported. Here, we describe two new isolable, room-temperature-persistent examples stabilized either by two N-heterocyclic imines (NHIs) bearing bulky, flexible tert-octyl groups or by a single dipp-substituted NHI combined with alkyl substituents. Comprehensive characterization (SCXRD, NMR, IR, MS, DFT) confirms their strong donor properties and the accessibility of the reactive C2 unit. DFT analysis quantify how the substituents at phosphorus modulate the frontier molecular orbital energies, spanning a wide range of σ and π-donor strengths and π-acceptor abilities, with trends that mirror those of the corresponding phosphines. Both phosphonioacetylides readily form AuI complexes, whereas the less electron-rich compound shows the tendency to eliminate its C2 moiety thermally or upon hydrolysis. These results establish design principles for stabilizing and tuning phosphonioacetylides and open avenues for their use in coordination chemistry and catalysis.
Using a reductive group elimination strategy, heavier alkyne (LEEL; E = Sn, Pb) complexes of Ni0 are accessed. In contrast to classical alkyne coordination, these systems are best described as σ-comp...
onlinelibrary.wiley.com
Researchers embed unstable phosphorus ligands directly in manganese and cobalt complexes, creating strong π‑donors with tunable reactivity
In this communication, we revisit one of E. O. Fischer’s seminal discoveries to solve a textbook question: is the iron(0) complex [Fe(C6Me6)2] an 18-valence-electron complex with a ‘ring-slip’ (η6,η4)...
pubs.acs.org
Peter Coburger and Stefan Frei, Germany, discusses assembling highly tunable, strongly π-donating zwitterionic diphosphacyclobutadienyl ligands directly within Mn and Co complexes
doi.org
We report the high-yielding synthesis of a bis(hydridogermylene) complex of Ni0 (2). In contrast to known hydridotetrylene chemistry, this complex demonstrates a unique GeII–H/SiIV–H dehydrocoupling r...
