Anna-Lena Thömmes

Excited to be Chair of @juwoev.bsky.social !
Join us to become part of our growing community!
Through scientific exchange, we bring young researchers together and support their professional development.

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Aromatic 5-silicon rings synthesized at last 2 groups working independently construct the same long-sought compound via different routes

Move over cyclopentadiene anion—there’s a new five-membered aromatic ring in town, and this one is made of silicon. Two research teams working independently report the first examples of pentasilacyclopentadienide—an all-silicon version of cyclopentadienides. cen.acs.org/materials/in...

#chemsky 🧪

Hauptgruppen‐ und Molekülchemie Im Jahr 2025 waren aller guten Dinge der Hauptgruppenchemie drei: ein dreifach geladenes Triborattrianion, ein Molekül mit linearer Al3-Einheit, das dritte Erdalkalimetall, das Stickstoff bindet, ein ...

@townrowresearch.bsky.social and I summarized some recent developments in molecular main-group chemistry. A fun project with many beautiful new discoveries last year! 👨‍🔬👩‍🔬
The annual "Trendbericht" can i.e. be read here:
gdch.app/article/haup...

Hauptgruppen‐ und Molekülchemie Im Jahr 2025 waren aller guten Dinge der Hauptgruppenchemie drei: ein dreifach geladenes Triborattrianion, ein Molekül mit linearer Al3-Einheit, das dritte Erdalkalimetall, das Stickstoff bindet, ein ...

Great to see this out! @fabiandankert.bsky.social and I summarise some of our favourite papers in main group chemistry over the last year

gdch.app/article/haup...

Ambiphilic Reactivity and Switchable Methyl Transfer at a T-Shaped Bi(NNN) Complex Enabled by a Redox-Active Pincer Ligand We report the transition-metal-like reactivity of a geometrically constrained, ambiphilic bismuth(III) trisamide. Planarization of the Bi(III) center unlocks Bi–C bond formation when reacted with mild...

📣Our new paper is out in @jacs.acspublications.org (our very first one)!🥳

We show how a redox-active ligand unlocks C–X bond scission at an ambiphilic T-shaped Bi(III) compound. A big collaborative effort with my brilliant colleagues from Berlin.

👉 pubs.acs.org/doi/10.1021/...

Conjugated Inorganic–Organic Hybrid Polymers with p‐Block Elements The influence of various p-block element motifs on the photophysical properties of conjugated inorganic-organic hybrid polymers is surveyed regarding applications in organic electronics. Recent advan...

@scheschkewitz.bsky.social and I shine a light on how main group element motifs - incl. multiple bonds - impact the photophysical properties of conjugated polymers and pave the way for new applications 🎨🔦 Check out our review @angewandtechemie.bsky.social

onlinelibrary.wiley.com/doi/10.1002/...

Sustainable Catalysis with Sb and Bi Pincer Complexes at The University of Manchester on FindAPhD.com PhD Project - Sustainable Catalysis with Sb and Bi Pincer Complexes at The University of Manchester, listed on FindAPhD.com

🚨 PhD Opportunity 🚨 🔁 Reposts appreciated!

My group at @manchester.ac.uk is recruiting a 3.5-year PhD student to explore Sb & Bi pincer complexes for metallomimetic chemistry.

🔬 Fully funded (UK only)
📍 Manchester
🧪 Synthetic inorganic chemistry

Apply 👉 tinyurl.com/yrjkvha9

PhD Studentship in C–H Functionalisation Using Polymetallic Complexes at Imperial College London on FindAPhD.com PhD Project - PhD Studentship in C–H Functionalisation Using Polymetallic Complexes at Imperial College London, listed on FindAPhD.com

We are advertising for two PhD studentships in organometallic chemistry! Come and work with us @imperialchemistry.bsky.social from October 2026:
Advert 2) www.findaphd.com/phds/project...

Job advertisement

Join our team! We're searching for a #postdoc for a project on bimetallic #uranium complexes 🧪☢️⚗️. Funded 12 month fellowship by the Karl-Ziegler-Foundation. Further information and link to the application portal: www.uni-hamburg.de/en/stellenan...
Deadline: 10 November. #chempostdoc #chemsky

A Bis(germaamidine) through Nitrene Insertion into GeSi Bonds Nitrene insertion into the Ge<span class='icomoon'></span>Si bonds of masked bis(germylene)s is followed by nitrene addition to the Ge(II) centers to provide a bis(germaamidine) with GeN bonds bridged via a σ,π-conjugated amin...

Another exciting 🧩 on the bifunctional monomers for our poly(digermene)s: nitrene insertion into the Ge-Si bonds provides a bis(germaamidine)! doi.org/10.1002/zaac... - dedicated to @akmeyergoettingen.bsky.social and @christianlimberg.bsky.social on the occasion of their 60th birthdays

Thank you, Andryj!

Thank you, Fabian! 😊

New chapter ahead! After successfully defending my PhD @scheschkewitz.bsky.social, I moved to Toulouse for a postdoc @lbpblab.bsky.social
I am grateful for the exciting experience, all support along the way (@chemieverband.bsky.social) and thrilled to now be working with even heavier elements!

Towards functionalized polymers with Ge=Ge bonds?

The Ge-Si bonds of our NHC-bis(germylene) monomer react selectively with CO2 and RNCO under retention of the Ge(II) centers!
Subsequent reaction with a CAAC results in a paramagnetic germylene!
@scheschkewitz.bsky.social @munzgroup.bsky.social

Hexaphenyl-1,2-Diphosphonium Dication [Ph3P–PPh3]2+: Superacid, Superoxidant, or Super Reagent? The oxidation of triphenylphosphine by perfluorinated phenaziniumF aluminate in difluorobenzene affords hexaaryl-1,2-diphosphonium dialuminate 1. Dication 12+ is valence isoelectronic with elusive hex...

Oxidizing PPh3 generates a powerful reagent - Read more about this cool molecule @jacs.acspublications.org (previously @chemrxiv.bsky.social) Congrats to @fabiandankert.bsky.social, Simon, Sergi, Chandan & Sneha 🎊🍾
[Ph3P–PPh3]2+: Superacid, Superoxidant, Super Reagent? pubs.acs.org/doi/10.1021/...

Berkelium–carbon bonding in a tetravalent berkelocene Interest in actinide–carbon bonds has persisted since actinide organometallics were first investigated for applications in isotope separation during the Manhattan Project. Transplutonium organometalli...

In @science.org this week, a team at Lawrence Berkeley lab did some practice runs with cerium and then raced to sandwich berkelium between two carbon rings before the radioactive decay wreaked too much havoc--read all about the Bk-C bonds here!

chemsky🧪

www.science.org/doi/10.1126/...

Methane Beryllation Catalyzed by a Base Metal Complex The homogeneous catalytic functionalization of methane is extremely challenging due to the relative nonpolarity and high C–H bond strength of this hydrocarbon. Here, using catalytic quantities (10 mol...

Catalytic methane functionalization and all it takes is... beryllium! We also compare the mechanisms of methane beryllation and borylation to reveal why Be finds it so easy @pubs.acs.org pubs.acs.org/doi/10.1021/...