HYDROFORMYLATION OF ETHYLENE CATALYZED BY HOMOGENEOUS METAL CLUSTERS

查看全文 作　　者：Fu Hongxiang, Luo Yuzong , Zhang Shuwei, Ren Xu (Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China) 出　　处：《分子催化》索引1989年第3卷第S1期,共6页 基　　金：This work was supported by Science Foundation of Chinese Academy of Sciences 摘　　要：This paper deals with a study of hydroformylation of ethylene catalyzed by homoge-neous metal clusters.〔PhCH₂Me₃N〕〔FeCo₃(CO)₁₂〕and〔PhCH₂Me₃N〕〔RuCO₃(CO)₁₂〕show high catalytic activity for the hydroform ylation of ethylene compared with YCCo₃(CO)₉,CO₄(CO)₁₀(PPh)₂,Co₂(CO)₆(PBu₃)₂,and Fe₂(CO)₄(C₅H₅)₂.The reacton rate ofheteronuclear clusters is faster than that with homonuclear clusters.The effect of tempera-ture and pressure on hydroformylation of ethylene with〔PhCH₂Me₃〕〔FeCo₃(CO)₁₂〕ascatalyst was studied.The experimental results.show that the conversion of ethylene exceeds90% with a selectivity up to 95% at temperature 130℃ and pressure 3.9 MPa.When studiedwith high pressure in situ infrared spectroscopic method,PhCCo₃(CO)₉ was found to havehigher thermostability than 〔PhCH₂Me₃N〕〔FeCo₃(CO)₁₂〕. 关 键 词：FECO faster SELECTIVITY tempera spectroscopic CRYSTALLINE CATALYZED silica deals CARBONYL