Photocatalytic synthesis of carbamoylated chroman-4-ones via radical cascade cyclization of 2-(allyloxy) arylaldehydes and oxamic acids
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A Wang, F Wu, G Jiang, Z Le, Z Xie
Molecular Catalysis, 2025
Elsevier
Chroman-4-one is a key structural motif widely distributed in natural products and pharmaceuticals. Similarly, the amide functionality serves as another pharmacologically important moiety, widely present in bioactive natural products and drug molecules. Consequently, we developed a photosensitiser-free photocatalytic method for synthesising amide-substituted chroman-4-ones though a decarboxylative radical cascade cyclisation reaction. This transformation was initiated by the visible light/benzoyl peroxide (BPO) …
