Photoinduced Hydroarylation and Cyclization of Alkenes with Luminescent Platinum(II) Complexes.
Hanchao ChengTsz-Lung LamYungen LiuZhou TangChi-Ming ChePublished in: Angewandte Chemie (International ed. in English) (2020)
Photoinduced hydroarylation of alkenes is an appealing synthetic strategy for arene functionalization. Herein, we demonstrated that aryl radicals generated from electron-deficient aryl chlorides/bromides could be trapped by an array of terminal/internal aryl alkenes in the presence of [Pt(O^N^C^N)] under visible-light (410 nm) irradiation, affording anti-Markovnikov hydroarylated compounds in up to 95 % yield. Besides, a protocol for [Pt(O^N^C^N)]-catalyzed intramolecular photocyclization of acrylanilides to give structurally diverse 3,4-dihydroquinolinones has been developed.