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The straightforward and rapid incorporation of a thiazolidinedione scaffold into prefunctionalized (hetero)aromatic compounds is in demand for the development of antidiabetic glitazones and other pharmaceuticals. Herein, we report the unprecedented… Click to show full abstract
The straightforward and rapid incorporation of a thiazolidinedione scaffold into prefunctionalized (hetero)aromatic compounds is in demand for the development of antidiabetic glitazones and other pharmaceuticals. Herein, we report the unprecedented N- and O-directed C-H alkylation of various (hetero)arenes with methylene thiazolidinediones under rhodium(III) catalysis. The applicability of the developed protocol in challenging contexts is exhibited by the late-stage installation of a methylene thiazolidinedione moiety on the C-H bond of commercially available drug molecules. Combined mechanistic investigations aided the elucidation of a plausible reaction mechanism.
Journal Title: Organic letters
Year Published: 2022
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