Thieme Gruppe, Synlett: Accounts and Rapid Communications in Synthetic Organic Chemistry, 20(31), p. 2049-2053, 2020
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A visible-light-induced and iron-catalyzed oxidative radical addition/cyclization cascade reaction of N-(o-cyanoaryl)acrylamides with dimethyl sulfoxide has been developed. The method exhibits a wide substrate scope and an excellent functional-group tolerance, thus providing an efficient and convenient access to a variety of methylated quinoline-2,4-diones.