Abstract
AbstractRegioselective ring‐opening reaction between 4‐hydroxydithiocoumarins with various epoxides and N‐tosylaziridines is achieved for the synthesis of β‐hydroxysulfides and β‐N‐tosylaminosulfides. The present protocols showed high regioselectivity, broad substrates scope compatibility, and mild reaction conditions. In addition, some of the ring‐opening products are utilized for the conversion of 2,3‐dihydro‐1,4‐oxathiin and 2,3‐dihydro‐1,4‐thiazine derivatives in presence of 10 mol% CuI in DMF at 120°C. Moreover, the antiproliferative activity study of the newly synthesized compounds, namely β‐hydroxysulfides (3 d, 3 i & 3 m) and β‐aminosulfides (5 a & 5 e), have been investigated. Furthermore, flow cytometry analysis‐based measurements of elevated reactive oxygen species (ROS) upon treatment of MCF‐7 and HeLa cells with 3 d, 3 i, and 3 m are commensurate with their anti‐cancer properties.
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