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Herein, we report the development of an excited\u2010state copper\u2010catalyzed radical carbo\u2010aroylation of unactivated alkenes to synthesize ketonylated tetralins, di\u2010 and tetrahydrophenanthrenes, and cyclopentane derivatives. The reaction is operationally simple and features mild reaction conditions that tolerate a broad range of functional groups. Preliminary mechanistic studies suggest a reaction pathway beginning with photoexcitation of Cu catalyst and followed by a single electron transfer (SET), radical aroylation of unactivated alkenes, radical cyclization, and re\u2010aromatization, affording the desired ketonylated carbocycles.<\/jats:p>","DOI":"10.1002\/cctc.202201128","type":"journal-article","created":{"date-parts":[[2022,12,13]],"date-time":"2022-12-13T13:53:09Z","timestamp":1670939589000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Synthesis of Ketonylated Carbocycles via Excited\u2010State Copper\u2010Catalyzed Radical Carbo\u2010Aroylation of Unactivated Alkenes"],"prefix":"10.1002","volume":"15","author":[{"given":"Satavisha","family":"Sarkar","sequence":"first","affiliation":[{"name":"Department of Chemistry and Institute of Chemical Biology and Drug Discovery State University of New York  Stony Brook NY 11794\u20133400 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