Selective vapor phase hydroformylation of ethylene over cluster-derived cobalt catalyst |
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Authors: | Kazuhiko Takeuchi Taka-aki Hanaoka Takehiko Matsuzaki Matti Reinikainen Yoshihiro Sugi |
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Affiliation: | (1) National Chemical Laboratory for Industry, Tsukuba, 305 Ibaraki, Japan;(2) Technical Research Centre of Finland, Chemical Laboratory, Biologinkuja 7, SF-2150 Espoo, Finland |
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Abstract: | Vapor phase hydroformylation of ethylene was studied with silica-supported metal catalysts. A cobalt metal catalyst derived from Co2(CO)8 gave propanal and its derivatives in as high selectivity of about 36% as Rh/SiO2 catalyst under the reaction conditions of 1.1 MPa of a gas-mixture of ArCOC2H4H2 = 1333 at 423–503 K. On the other hand, conventional cobalt catalysts derived from cobalt nitrate, chloride, or acetate, and other noble metal catalysts (Pd/SiO2 and Ir/SiO2) produced mainly ethane. |
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Keywords: | Vapor phase hydroformylation ethylene cobalt catalysts Co2(CO)8 propanal n-propanol |
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