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In the presence of alcohols, this approach affords difunctionalized products, while in the presence of a base, it yields C(sp\n                    <jats:sup>2<\/jats:sup>\n                    )\u2013H alkylation products. The protocol offers several advantages, including metal\u2010free, mild reaction conditions, a broad substrate scope, and compatibility with late\u2010stage modification of pharmaceutically relevant molecules. Preliminary mechanistic investigations, such as Stern\u2013Volmer quenching experiments, support an oxidative\u2010quenching catalytic pathway and radical\u2010clock, and EPR studies confirm the involvement of alkyl radicals.\n                  <\/jats:p>","DOI":"10.1002\/chem.71311","type":"journal-article","created":{"date-parts":[[2026,6,20]],"date-time":"2026-06-20T11:29:06Z","timestamp":1781954946000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Divergent Functionalization of 3\u2010methyleneisoindolin\u20101\u2010ones Enabled by Visible\u2010Light Photoredox\u2010Catalysis"],"prefix":"10.1002","volume":"32","author":[{"given":"Abhishek","family":"Kumar","sequence":"first","affiliation":[{"name":"School of Chemistry Indian Institute of Science Education and Research  Thiruvananthapuram 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