Cristina Trujillo

@trujillo-group.bsky.social

Computational Organic Chemist @University of Manchester #CompChem 💻 ⚛️ #Catalysis 🇪🇸 → 🇬🇧 | Mum of 3 boys 🤩 Cyclist 🚴‍♀️ | Yogi 🧘‍♀️ | Amateur cook Rock music fan 🎸 🔗 https://trujilloresearchgroup.com/

So, yesterday we were celebrating the 150th anniversary of the @tum.de EE department at the Deutsches Museum with some outreach activities. We are amazed at how interested people were! Plenty of families, visitors and school groups came to visit. And, of course, we had a lot of fun with them!

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Excited to see our recent work on the electroreductive cleavage of C(sp³)–N bonds in saturated N-carbonyl heterocycles out in @jacs.acspublications.org 🔌Check the full study here: pubs.acs.org/doi/10.1021/...

Electroreductive Cleavage of C(sp3)–N Bonds in Saturated N-Carbonyl Heterocycles

Ring-opening C–N bond cleavage reactions provide an effective means to convert widespread, readily accessible chiral N-heterocycles into hard-to-attain stereodefined linear amines. Current strategies either rely on the strain-induced release of small aziridine and azetidine rings or, for larger ring systems, require highly electrophilic reagents, oxidative conditions, or preinstalled reactive functionalities to enable the ring-opening event. Recently, complementary radical strategies that exploit the reactivity of α-amino-ketyl radicals, formed upon single-electron transfer (SET) reduction of common N-carbonyl protecting groups, have emerged. Nevertheless, these methods facilitate the homolytic fragmentation only of up to 5-membered azacycles. In this study, we leveraged electroreductive conditions to switch the nature of the above C–N bond cleavage manifold from radical to ionic and enable the heterolytic ring-opening of a broad array of unstrained cyclic amines (comprising pyrrolidines, piperidines, azepines, azocanes, and N-macrocycles), protected as N-(thio)amides, carbamates, or ureas. Crucially, this electrochemically enabled reactivity switch grants complementary functional group compatibility and a broader ring size and N-carbonyl group scope. Computational and experimental studies indicate that electrochemical settings are crucial for generating the Mg(II)-Lewis acid catalyst, activating the N-carbonyl moiety while prompting the so-formed oxy-iminium ion intermediates to undergo two consecutive cathodic SET reductions, generating “umpoled” α-amino-α-oxy-carbanion species. These, via irreversible E1cB fragmentation of the adjacent C–N bond, lead to the desired ring-opened products. Our electrochemical procedure can be scaled up and miniaturized (enabling its application to high-throughput experimentation screening), and its synthetic utility has been demonstrated by accessing decorated stereodefined linear amides from stereochemically rich pyrrolidine and azepane derivatives.

pubs.acs.org

📢 Postdoc fellowship – computational catalysis. Looking to support an outstanding early-career researcher interested in #CompChem catalyst design, mechanistic insight and QM + ML + experiment. ⏳ UoM internal deadline: late Feb 🔗 royalsociety.org/grants/newto... #Catalysis #Postdoc #NewtonFellowship

Newton International Fellowships | Royal Society

This fellowship is for non-UK scientists who are at an early stage of their research career and wish to conduct research in the UK.

royalsociety.org

Registration NOW OPEN for the 2026 #VWSCC! 📅 26-30 January 2026 Join researchers worldwide for lectures, SFPs, hands-on workshops (Q-Chem & GROMACS), and panel discussions! 🌟 Incredible international speaker lineup from leading scientists across the globe! Register free: www.winterschool.cc

Virtual Winter School on Computational Chemistry - Home

Online congress discussing state of the art computational chemistry

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