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3‐Aryl/alkyl‐2‐quinolones were synthesized employing microwave assisted multicomponent reaction of 2‐iodoanilines, terminal alkynes and oxalic acid dihydrate ((CO2H)2 ⋅ 2H2O) under polystyrene supported palladium (Pd@PS) nanoparticles‐catalyzed conditions. The use of a heterogeneous palladium catalyst was explored first time for 2‐quinolone synthesis involving carbonylation reaction employing (CO2...
An effective and stable polystyrene supported rhodium (Rh@PS) nano‐catalyst has been synthesized by following reduction‐deposition approach and applied for the selective benzimidazoles synthesis from 1,2‐phenylenediamines and ethanol/methanol as C2H3/CH source. The ethanol/methanol in the presence of trace amounts of aerobic oxygen under Rh@PS catalysed condition, first participated in oxidation of...
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