Visible-light-promoted cascade radical cyclization for the synthesis of sulfonylated benzimidazo/indolo[2,1-]iso-quinolin-6(5)-ones has been reported. The reaction provides transition-metal-free and expeditious access to sulfonylated polyaromatics. The use of sodium metabisulfite as a SO surrogate and the rapid generation of molecular complexity using a three-component photochemical protocol are the salient features of this reaction manifold.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9434776 | PMC |
| http://dx.doi.org/10.1021/acsomega.2c02302 | DOI Listing |
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