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A domino reaction composed of a Knoevenagel condensation combined with a simultaneous catalytic hydrogenation is reported in an ionic liquid solvent under mild conditions (298–363K and 300kPa). No interference between the catalysts (Pd/C and amine acetate salt) of the two diverse steps was monitored. The product could be neatly extracted by diethyl ether and the solvent containing the catalysts could...
Coupling of substituted halobenzenes to the respective biphenyls is effected with high selectivity in toluene, using a combination of a reducing agent and a weak base in the presence of catalytic tetrabutylammonium bromide (TBAB) and palladium that are both supported on carbon. The maximum selectivity to biphenyl was achieved when Pd, Na 2 CO 3 , and TBAB were all supported together...
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