Selective hydrogenation of quinolines into 1,2,3,4-tetrahydroquinolines over a nitrogen-doped carbon-supported Pd catalyst

摘要: In this study, we have developed a sustainable method for the hydrogenation of quinolines to 1,2,3,4-tetrahydroquinolines under mild conditions over nitrogen-doped carbon-supported Pd catalyst with abundant porous structures (abbreviated as Pd/CN). The mesoporous structure carbon support was prepared by pyrolysis glucose and melamine using eutectic salts KCl ZnCl2 porogen. Due high nitrogen content in support, nanoparticles were homogeneously dispersed on surface materials an ultra-small size 1.9 nm narrow distribution. as-prepared Pd/CN showed catalytic activity towards at 50 °C 20 bar H2, affording corresponding yields range 86.6–97.8%. More importantly, highly stable without loss its during recycling experiments. use renewable resources prepare makes promising from quinolines.