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RoscaLab

@rosca_lab

Research Group @UniHeidelberg, Germany and @chimie_ISCR, Rennes, France | Bond activation & catalytic transformations w/ non-noble metals @rosca-lab.bsky.social

 Heidelberg and Rennes
rosca-lab.com
Joined June 2023
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We have an open PhD position, 4 y. with 2/3 of E 13 TV-L salary, assigned broadly to the design and synthesis of coordination compds for the activation of small molecules (chemie.hu-berlin.de/aglimber…...). Pls apply directly to [email protected]. Pls retweet!
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We are happy to share our latest work where we used iron-catalysed [2+2] cycloaddition and carbene C–H insertion to built saturated tricyclic β-lactams based on pyrrolidine, piperidine and azepanes. Congrats to Lea, Johannes, Levi, & Felix! chemistry-europe.onlinelibra…
Synthesis of Cyclobutane‐Containing Tricyclic β‐Lactams Based on a Saturated Scaffold Enabled by...

Synthesis of Cyclobutane‐Containing Tricyclic β‐Lactams Based on a Saturated Scaffold Enabled by...

First syntheses of pyrrolidine-, piperidine-, and azepane tricyclic β-lactams based on a saturated scaffold are achieved through an Fe-pyrimidinediimine-catalysed [2 + 2] cycloaddition of allylamin...

chemistry-europe.onlinelibrary.wiley.com
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Dynamics of Metal–Metal Bond Dissociation in Pd–Pd and Ni–Ni Complexes: Reorganization and Redistribution Reactions of the Metalloradicals (Lutz H. Gade and co-workers) #AngewandteVIP • onlinelibrary.wiley.com/doi/…
Dynamics of Metal–Metal Bond Dissociation in Pd–Pd and Ni–Ni Complexes: Reorganization and Redist...

Dynamics of Metal–Metal Bond Dissociation in Pd–Pd and Ni–Ni Complexes: Reorganization and Redist...

PNP-stabilized dinuclear [PdI]2 and [NiI]2 complexes with unsupported metal–metal bonds may serve as reservoir forms for homolytically generated metalloradical species, and a quantitative investiga...

onlinelibrary.wiley.com
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Interested in hydrogenation catalysis with iron, and how to use para-hydrogen induced polarisation to enhance 1H and 19F resonances in the presence of Fe catalysts? Check our latest contribution in Chem Commun: pubs.rsc.org/en/content/arti… collab. with TU Darmstadt. @ChemCommun
Image from RoscaLab (@rosca_lab)
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If you are interested in non-photochemical [2+2]-cycloadditions with transition metals, we have compiled the most recent literature in a review. Thank you EurJOC (@ChemEurope) for the invitation. A nice collaboartion with two group alumni, Leif and Felix chemistry-europe.onlinelibra…
Transition‐Metal Catalyzed, Thermally Driven [2π+2π]‐Cycloadditions of Olefins and Alkynes

Transition‐Metal Catalyzed, Thermally Driven [2π+2π]‐Cycloadditions of Olefins and Alkynes

Thermally-driven, transition-metal-catalyzed [2+2]-cycloadditions provide a scalable and atom-efficient strategy for synthesizing cyclobutane and cyclobutene frameworks. Complementary to established...

chemistry-europe.onlinelibrary.wiley.com
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Our two PhD Students, Julianna and Viky proudly represent our group with oral and poster presentations talking about redox active ligands on iron and cobalt at the Koordinationschemie-Treffen in Innsbruck. #kct2024 teapawt.net/rosca_lab/status/17624…
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🔔 We are organising a Summer School again 🔔 SUMMER SCHOOL Spectroscopy and Electronic Structure of Transition Metal Complexes 📆 September 22-28, 2024 Now open for application! Join us! 👇 summerschool.cec.mpg.de/en/h…
Image from MPI-CEC (@mpicec_press)
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RoscaLab retweeted
Ken Lo (@bhkenlo) profile picture
Ken Lo@bhkenlo18 Feb 2024
To Split or Not to Split: [AsCCAs]-Coordinated Mo, W, and Re Complexes and Their Reactivity toward Molecular Dinitrogen | Inorganic Chemistry pubs.acs.org/doi/10.1021/acs… Ballmann and co-workers @InorgChem #molybdenum #tungsten #rhenium #halides #N2
Image from Ken Lo (@bhkenlo)
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Many thanks for the invitation and the excellent atmosphere. It was a lot of fun!
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Gold-Catalysed Heck Reaction: Fact or Fiction? Preprint out now: chemrxiv.org/engage/chemrxiv… No evidence for literature claims of gold catalyzed alkene insertion, β-H elimination or chain walking!
Image from Manfred Bochmann (@BochmannGroup)
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Considering moving from pyridines to the more "exotic" pyrimidines, pyrazines or triazines for your ligand design? Check out our newest review. These fragments can improve catalytic activity and even facilitate new reactity modes. pubs.acs.org/doi/10.1021/acs… (Open Access)
Diazines and Triazines as Building Blocks in Ligands for Metal-Mediated Catalytic Transformations

Diazines and Triazines as Building Blocks in Ligands for Metal-Mediated Catalytic Transformations

Abstract. Pyridine is a ubiquitous building block for the design of very diverse ligand platforms, many of which have become indispensable for catalytic tr

pubs.acs.org
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Thanks ACS Organic & Inorganic Au for the invitation.
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📢EuCOMC XXV offers you another exciting opportunity! Join us on Thursday, September 7th, as we eagerly host Prof. Sjoerd Harder and Prof. Manfred Bochmann, as distinguished plenary speakers 👏@geqo_rseq @RSEQUIMICA @UAHes @EuChemS @OEuchems congresosalcala.fgua.es/euco…
Image from Eucomc2023 (@eucomc2023)
Image from Eucomc2023 (@eucomc2023)
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Our latest work on structurally constrained germanium compounds is now published online in @J_A_C_S. Thanks to @GrebGroup @M_J_Schorpp and Paul for making this possible. pubs.acs.org/doi/10.1021/jac…

Calix[4]pyrrolato-germane-(thf)2: Unlocking the Anti-van’t Hoff–Le Bel Reactivity of Germanium(IV)...

Abstract. Anti-van’t Hoff–Le Bel configured p-block element species possess intrinsically high reactivity and are thus challenging to isolate. Consequently

pubs.acs.org
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RoscaLab retweeted
WahlLab (@WahlLab) profile picture
WahlLab@WahlLab20 Jul 2023
We have a fully funded opening for a PhD researcher within the @sfb1552. Join us for cutting-edge research on synthetic photochemistry with some exciting applications ahead. #PhD #phdoffer #phdpositions More info below. RT appreciated! wahllab.com/open-position

Open position | Wahllab

wahllab.com
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We are #recruiting! Attached you find details for a funded #PhD position @uni_regensburg . You will be developing #maingroup compounds for application in #sustainable #catalysis in a young and dynamic research group. #newPI #chemTwitter #chemPhD #chemjobs @Chemjobber. Please RT
Image from Dr. Marcel Schorpp (@M_J_Schorpp)
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We are delighted to announce that Josep Cornella (@CornellaLab) has been awarded the 2022/2023 Emerging Investigator Lectureship! 🎉 Find out more about Josep and his research on our blog 👉 rsc.li/3pbMleO
Image from Chemical Communications (@ChemCommun)
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Willkommen an Bord! Prof. @LisaVondung unterstützt den Fachbereich @Chemie_UHH der @UHHMIN, indem sie die Elemente des f-Blocks im Periodensystem erforscht. Dabei möchte sie speziell für abgereichertes Uran sinnvolle Anwendungen finden: uni-hamburg.de/newsroom/camp…
Die f-Elemente in Forschung und Lehre stärken

Die f-Elemente in Forschung und Lehre stärken

uni-hamburg.de
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Julianna's work on cobalt-catalysed hydroboration is now out in @ACSCatal! Demonstrates that it's not always the same if one conducts a reaction under argon or nitrogen. A nice interplay between organometallic chemistry, catalysis and theory. pubs.acs.org/doi/10.1021/acs…

The Atmosphere Matters: The Effect of “Inert” Gas on the Catalytic Outcomes in Cobalt-Mediated...

Abstract. We present a highly efficient cobalt-mediated hydroboration reaction of alkynes and alkenes enabled by a π-acidic and redox-active pyrimidinediim

pubs.acs.org
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