Abstract
AbstractAn efficient palladium‐catalyzed intramolecular decarbonylative thioetherification of 2‐pyridyl thioesters to furnish 2‐pyridyl aryl or alkyl thioethers is reported. Notably, PdCl2/PPh3 is found to be an effective catalytic system for decarbonylative thioetherification of 2‐pyridyl thioesters and is compatible under elevated temperature and strong basic conditions. This unique strategy is simple in operation and practice, uses a cheap metal‐ligand catalytic system, affords the products in high yields, and has high functional group tolerance. In addition, other heterocyclic thioesters such as fur‐2‐yl, thiophene‐2‐yl, quinolin‐2‐yl and isoquinolin‐1‐yl thioesters are also consistent under the optimized reaction conditions.
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