Abstract
Abstract A light-induced carbonylative Suzuki reaction to produce diaryl ketone was achieved over Pd(phen)Cl2/TiO2 under mild condition via a successful coupling of TiO2-based photocatalytic decomposition of DMF to generate CO and the Pd-based catalysis. An optimum conversion of PhI of 89%, with a yield of 45% to the desired carbonylative diaryl ketone was achieved over irradiated Pd(phen)Cl2/TiO2 under CO2 atmosphere. Although the side self-coupling of PhI to form biphenyl cannot be completely suppressed in the light-induced carbonylative reaction, the use of photocatalytic decomposition of DMF to in-situ generate CO as a self-supplied CO source still shows prospect in the synthesis of diaryl ketone and represents a new and promising strategy for realizations of carbonylative reactions.
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