Abstract

AbstractPalladium‐catalyzed carbonylation reactions aid as potent tools for the insertion of carbonyl unit(s) in a wide array of molecules possessing vast number of applications in multiple domains. An efficient and facile protocol has been reported for the carbonylative Suzuki (CO−S) and carbonylative Hiyama (CO−H) coupling of aryl triazenes using phenyl boronic acid and triethoxy(phenyl)silane respectively via a Pd‐catalysis in combination with Ionic liquids (ILs). Four different ILs have been employed as solvent/reagent/promotor(s) to afford the targeted products in reasonably good yields. As per the predictive mechanism, an in situ generated N‐Heterocarbene‐Ionicliquid‐Palladium (NHC‐IL‐Pd) species serve as a regenerative catalyst while the N‐formyl saccharin (NFSac), a non‐hazardous and commercially available crystalline compound was used as carbon monoxide (CO) surrogate playing important roles to accomplish the desired products in good yields.

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