Scientisthttps://bsky.app/profile/chemistrykoenig.bsky.socialhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3mqoh6etxvc2nThis strategy successfully overcomes the redox limitations of haloarenes and addresses two long-standing challenges in alkene difunctionalization. Great collaboration! #ChemSky #photocatalysis #sustainability [contains quote post or other embedded content]15 Jul 2026 09:52 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3mqoh6etxvc2nhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3mme7jhwbz22aElectrochemistry enables sustainable access to phosphorylated amine libraries from natural feedstocks, yielding bioisosteric analogues of amino acid derivatives. Congrats to the team! #ChemSky #electrochemistry https://doi.org/10.1039/D6QO00588H21 May 2026 10:28 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3mme7jhwbz22ahttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3ml6r26duxk22A mild strategy compatible with various solvents, air, and moisture @angewandtechemie.bsky.social Congratulations to all involved! Geminal Difunctionalization of Ketones via C─S Bond Insertion of Photogenerated Donor–Donor Diazo Compounds https://doi.org/10.1002/anie.616280906 May 2026 13:00 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3ml6r26duxk22https://bsky.app/profile/chemistrykoenig.bsky.social/post/3ml667ggpoc2jHappy to see that our publication https://pubs.rsc.org/en/content/articlelanding/2024/gc/d3gc04517j is part of the Key Highlights in @greenchemistry.rsc.org [contains quote post or other embedded content]06 May 2026 07:23 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3ml667ggpoc2jhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3mj4xfukgts2nOur combination of metal- and photocatalysis enables the selective synthesis of aniline under mild conditions and allows easy scaling with flow systems. Nice team work! #ChemSky #photocatalysis https://doi.org/10.1002/chem.20250347510 Apr 2026 08:58 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3mj4xfukgts2nhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3miy6hyuzmk2iOur perspective charts the potential of water as a programmable reaction medium using compatible catalysts, EDA complexes, engineered micelles and microdroplets. Aqueous-phase organic photochemistry: Distinct modes and interfaces #ChemSky #photochemistry #watersoluble https://doi.org/10.1016/j.chempr.2026.10296208 Apr 2026 11:22 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3miy6hyuzmk2ihttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3mftda2o2dc2b'On Water' hydrogen bonding stabilizes the photo-excited state of quinones: application of Franck-Condon principle in organic synthesis. Congrats to all! #ChemSky #photocatalysis https://doi.org/10.1038/s41467-026-69343-x “On-water” photosensitization enables redox neutral acylation and alkylation of quinones27 Feb 2026 08:48 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3mftda2o2dc2bhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3mfohepg54s25We broadened the scope of 4-isoxazolines and oxa-aza-BCHeps in a highly regioselective fashion by photocontrol over strain and topology. A template for designing next-generation therapeutics and agrochemicals! Congrats to the team! https://doi.org/10.26434/chemrxiv.15000128/v125 Feb 2026 10:19 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3mfohepg54s25https://bsky.app/profile/chemistrykoenig.bsky.social/post/3menoddo7nc2gWe thank B. List and L. Alama for highlighting our collaboration https://pubs.acs.org/doi/10.1021/acscatal.5c04666 in Synfacts! #ChemSky #photocatalysis Synthesis of α-Amino Acids via ConPET-Driven Amide Activation https://doi.org/10.1055/a-2746-730512 Feb 2026 09:25 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3menoddo7nc2ghttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3mdid7hmst22iFrom donor/core CV to catalyst design: a new method to develop inexpensive and tunable organic RL/NIR photocatalysts. Dual Ni/photoredox C–heteroatom coupling with a new cyanoarene photocatalyst under 620 nm LEDs! @angewandtechemie.bsky.social #Chemsky #photocatalysis https://doi.org/10.1002/anie.20252608628 Jan 2026 12:58 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3mdid7hmst22ihttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3mck4f3j6qc22We used industrially preferred solvents, base, and low catalyst loadings to offer a significant advancement in the practicality and scalability of industrial processes. Another collaboration with Bayer! https://pubs.acs.org/doi/10.1021/acs.orglett.5c00699?ref=PDF16 Jan 2026 12:36 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3mck4f3j6qc22https://bsky.app/profile/chemistrykoenig.bsky.social/post/3mcewa65jvk2aImproving transparency and user trust in machine-learning-guided reactions we combined Bayesian optimization (BO) with the CIME4R data visualization tool for the rapid identification of high-yielding conditions - only 0.5% of the full parameter space! Great collaboration! https://doi.org/10.1021/acs.oprd.5c0038414 Jan 2026 11:02 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3mcewa65jvk2ahttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3m75rpxauic2oPhotogenerated para-Quinone methides undergo efficient transformations. Nice collaboration! #metal-free #photocatalysis #Chemsky Flavin-Photocatalyzed Benzylic Functionalization, Spirocyclization, and Spiroepoxidation of Phenols @pubs.acs.org https://pubs.acs.org/doi/10.1021/acscatal.5c0531204 Dec 2025 10:37 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3m75rpxauic2ohttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3m653lqqn222gNews from Manganese! Congratulations to Rohan who published with his former group @pubs.acs.org Photoexcited Manganese Complex of Abnormal N-Heterocyclic Carbene in Molecular Hydrogen Activation via Hydrogen Atom Transfer Pathway #ChemSky https://pubs.acs.org/doi/10.1021/acscatal.5c0641821 Nov 2025 10:36 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3m653lqqn222ghttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3m5eeh7pqzc2mThe vast method development uses photochemistry as a guiding light through many steps in the synthesis of complex target molecules. General concepts with recent examples on the use of photochemistry in natural product synthesis are discussed. Thanks to Elina! #ChemSky https://pubs.acs.org/doi/10.1021/acs.jnatprod.5c0087411 Nov 2025 14:38 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3m5eeh7pqzc2mhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3m4v7lrbsbs2tThere are no words to express our sadness! Our colleague and friend Armaz Tsutskiridze passed away We all miss his smile, enthusiasm, politeness and expertise. Our deepest condolences to his family!05 Nov 2025 14:01 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3m4v7lrbsbs2thttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3m3u3w5jmic2vWe enable direct access to α-amino acids and deuterated amides with our metal-free photoredox-catalyzed strategy for carboxylation and deuteration @pubs.acs.org Nice collaboration with the Paixão group! #ChemSky #photocatalysis #metal-free https://pubs.acs.org/doi/10.1021/acscatal.5c04666?ref=PDF23 Oct 2025 09:58 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3m3u3w5jmic2vhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3m2r2nscz2k26Cross-coupling of unprotected bromoanilines with thiol nucleophiles: the acidic environment suppresses the formation of polythiolates, increasing the active nickel species and minimizing inner filter effects during #photocatalysis #ChemSky @indrajitghosh85.bsky.social https://doi.org/10.1002/adsc.7002609 Oct 2025 11:32 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3m2r2nscz2k26https://bsky.app/profile/chemistrykoenig.bsky.social/post/3lzzyb2onak2yHow to engineer and use nanoparticles to enable energy-demanding [2 + 2] photocycloadditions under mild, near-infrared (NIR) excitation. A great potential in synthetic and biomedical applications! @angewandtechemie.bsky.social #photocatalysis #nanoparticles #ChemSky https://doi.org/10.1002/anie.20251124730 Sep 2025 07:18 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3lzzyb2onak2yhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3lzntvcbbs22sLearn more about photoswitches! This review describes the synthesis, structure–property relationships, and examples of applications for seven important classes of photoswitches https://doi.org/10.3762/bjoc.21.14325 Sep 2025 11:28 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3lzntvcbbs22shttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3lzlgrkuqg222Interested in vinyl halide chemistry? Then use our new strategy to simplify your reactions! Thanks to all involved! @angewandtechemie.bsky.social @indrajitghosh85.bsky.social #ChemSky #photocatalysis #Nickel https://doi.org/10.1002/anie.20251071524 Sep 2025 12:28 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3lzlgrkuqg222https://bsky.app/profile/chemistrykoenig.bsky.social/post/3lwbriqi4ic2aEngineering of light-sensitivity in enzymes holds significant promise for diverse applications in #biotherapy and #biocatalysis. Please see our collaboration in @angewandtechemie.bsky.social #ChemSky Congrats to Caroline and Michela! https://doi.org/10.1002/anie.20250856213 Aug 2025 11:57 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3lwbriqi4ic2ahttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3lvnjy6kmxk22Mechanistic Study of the Light-Initiated Generation of Free Diazoalkanes: Towards Photo-Orthogonal Synthesis Please see the prospects for photo-orthogonal synthesis by increasing the conc. in the photostationary state and the lifetime of nonstabilized diazo compounds for stepwise reactions #ChemSky05 Aug 2025 10:49 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3lvnjy6kmxk22https://bsky.app/profile/chemistrykoenig.bsky.social/post/3luabske2tk2yAn unexplored avenue for azobenzene #photoswitching with simultaneous irradiation at 365:420 nm! Congrats to Ranit, Alba and especially Caroline! @pubs.acs.org #ChemSky Alternative Mechanism of Enzymatic Photocontrol by Azobenzene | ACS Catalysis https://pubs.acs.org/doi/10.1021/acscatal.5c0412618 Jul 2025 10:53 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3luabske2tk2yhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3lruko4fpvs2jShedding light on an overlooked significant facet: Magnetic stirrers - used daily in millions of labs - may silently sabotage reproducibility! https://pubs.acs.org/doi/10.1021/jacsau.5c0041218 Jun 2025 08:10 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3lruko4fpvs2jhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3loxdbcbbi22fThe effective utilization of green light in the CH-hydrazination of small molecules under very mild photocatalytic conditions. Congrats to Nico! #ChemSky #photocatalysis https://doi.org/10.1002/ejoc.20250037312 May 2025 06:20 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3loxdbcbbi22fhttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3lons2rd7os2oProud of Sascha that his collaboration is a most read article published from our University #openaccess #ChemSky #photocatalysis https://doi.org/10.1002/anie.20240081508 May 2025 11:18 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3lons2rd7os2ohttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3lolkq7u4vc2oWe are excited to present our perspective. We hope our work will inspire researchers for advancing the field of photocatalysis in water and prioritize the use of greener reaction conditions @chemistryeurope.bsky.social #photocatalysis #Chemsky Congrats to Daniel and Andrey! https://doi.org/10.1002/cptc.20250003607 May 2025 14:01 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3lolkq7u4vc2ohttps://bsky.app/profile/chemistrykoenig.bsky.social/post/3lni7psmh7s2qWe expanded our Bismuth LMCT methodology towards the direct decarboxylative C-N coupling of carboxylic acids with sulfonamides - great work by Elina and Dominik now out in #Chem.Eur.J. #ChemSky 🧪 https://doi.org/10.1002/chem.20250039623 Apr 2025 12:41 +0000at://did:plc:ntv7vqusb2pbwsvnpadte2df/app.bsky.feed.post/3lni7psmh7s2q