Dive into the fascinating world of eco-friendly photocyclization 🌱 Valerii Shirinian & co-workers report a novel, transition metal-free synthesis of oxa[5]helicenes, remarkably stable under UV & visible light💡
#photochemistry #photocyclization #helicenes

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Highly Luminescent Aceno[6]helicenones by Intramolecular Radical Cyclization Carbo[n]helicenes are poor emitters with the emission peak in purple or blue region. Inserting a carbonyl group into the skeleton shifts the emission to longer wavelengths and greatly improves the fl...

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Highly Luminescent Aceno[6]helicenones by Intramolecular Radical Cyclization (Šámal, Jančařík) -
ChemEUJr: chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/...

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Stereocontrolled Synthesis of Chiral Helicene‐Indenido ansa‐ and Half‐Sandwich Metal Complexes and Their Use in Catalysis Stereocontrolled syntheses of chiral (oxa)helicene-indenido half-sandwich (Rh) or ansa-metallocene (Fe) complexes were developed. The enantio- and diastereopure half-sandwich Rh(III) complexes were u...

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Stereocontrolled Synthesis of Chiral Helicene-Indenido ansa- and Half-Sandwich Metal Complexes and Their Use in Catalysis (Edlová, Stará, Starý) - AngewChem:

doi.org/10.1002/anie...

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