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报导几种以聚2,6-二甲基1,4-苯醚(PPO)和聚砜(PSu)为主链的负载钯催化剂对1-辛烯和环戊二烯在温和条件下的催化加氢活性与选择性。官能团化的PPO负载钯催化剂对1-辛烯的催化加氢活性大于官能团化的PSu负载钯催化剂的活性,但前者在加氢过程中的活性下降比后者快得多;官能团化的PPO负载钯催化剂在1-辛烯加氢过程中活性很快下降的原因与其强的异构化性能和异构化产物有关。相同配体的两种负载钯催化剂对环戊二烯的催化加氢表现在活性上,PPO低于PSu,而选择性PPO高于PSu。表明除了按预计与钯直接配位的配体外,载体主链结构对负载钯催化剂的加氢性能也有显著影响。
Reported several catalysts for the catalysis of 1-octene and cyclopentadiene under mild conditions using supported palladium catalysts mainly composed of poly-2,6-dimethyl-1,4-phenylene oxide (PPO) and polysulfone Hydrogenation activity and selectivity. The catalytic hydrogenation activity of 1-octene over the functionalized PPO-supported palladium catalyst was greater than that of the functionalized PSu-supported palladium catalyst, but the activity of the former in hydrogenation decreased more rapidly than the latter. The functionalized PPO loading The reason for the rapid decrease in activity of the palladium catalyst during 1-octene hydrogenation is related to its strong isomerization performance and isomerization products. Catalytic hydrogenation of cyclopentadiene by two supported palladium catalysts of the same ligand showed activity, with PPO lower than PSu and selective PPO higher than PSu. Indicating that in addition to the ligands that are expected to directly coordinate to palladium, the backbone structure of the support also has a significant effect on the hydrogenation performance of the supported palladium catalyst.