Citation: GUAN Shiyou, HUANG Meiyu, JIANG Yingyan. CATALYTIC BEHAVIOR OF SILICA-SUPPORTED POLY-γ- AMINOPROPYL- SILOXANE-Co-Ru BIMETALLIC COMPLEX FOR THE HYDROFORMYLATION OF CYCLOHEXENE[J]. Chinese Journal of Polymer Science, ;1993, 11(2): 103-108. shu

CATALYTIC BEHAVIOR OF SILICA-SUPPORTED POLY-γ- AMINOPROPYL- SILOXANE-Co-Ru BIMETALLIC COMPLEX FOR THE HYDROFORMYLATION OF CYCLOHEXENE

Received Date: 28 November 1992

The cobalt and ruthenium bimetallic complex of poly-γ-amino-propylsiloxane( abbr. as Si-CH2-Co-Ru) was prepared, and it was found that it can catalyze the hydroformylation of cyclobexene effectively with the conversion amounting to over 90%. Cyclohexanecarboxaldehyde was first formed in the hydroformylation, and then further hydrogenated to form cylcohexanemethanol. The coversion was affected obviously by the Co/Ru ratio.When Co/Ru molar ratio was 100-150, i.e. in the very low content of noble metal Ru, the catalytic activity of Si-NH2-Co-Ru was also very high.The product composition was affected by CO/H2 ratio in the reaction gas.Aldehyde can be got high selectively by controlling CO/H2 ratio.Compared with other catalyst system,the Si-NH2-Co-Ru catalyst has higher catalytic activity and efficiency with very low Ru/Co ratio.The total turnover number was more than 28,800(based on the amount of rethenium used).
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