Visible‐Light‐Promoted Generation of α‐Ketoradicals from Vinyl‐bromides and Molecular Oxygen: Synthesis of Indenones and Dihydroindeno[1,2‐c]chromenes

Angewchem
Visible‐Light‐Promoted Generation of α‐Ketoradicals from Vinyl‐bromides and Molecular Oxygen: Synthesis of Indenones and Dihydroindeno[1,2‐c]chromenes: Ortho‐alkynylated α‐bromocinnamates can be converted by a visible‐light‐mediated photocascade reaction with molecular oxygen into either indenones or dihydroindeno[1,2‐c]chromenes. The one‐step process...

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