Hydroformylation of styrene to 2-phenylpropionaldehyde catalyzed by silica-supported poly-γ-aminopropylsiloxane-ruthenium-cobalt bimetallic complex

Liming Tang, Meiyu Huang, Yingyan Jiang
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引用次数: 8

Abstract

Selective hydroformylation of styrene to iso-aldehyde, 2-phenylpropionaldehyde in higher than 90% yield has been achieved catalyzed by silica-supported poly-γ-aminopropylsiloxane-ruthenium-cobalt bimetallic complex catalysts (SiNH2RuCo) in the presence of acetic acid. The RuCo mole ratio, the amount of acetic acid and total pressure greatly influenced the reaction. The catalyst was stable and could be used repeatedly without any remarkable changes in activity and selectivity.

硅负载聚γ-氨基丙基硅氧烷-钌-钴双金属配合物催化苯乙烯氢甲酰化制2-苯丙醛
采用硅负载型聚γ-氨基丙基硅氧烷-钌-钴双金属配合物催化剂(SiNH2RuCo)在乙酸存在下催化苯乙烯选择性氢甲酰化制2-苯丙醛,收率高于90%。RuCo摩尔比、乙酸用量和总压对反应有较大影响。催化剂性能稳定,可重复使用,活性和选择性无明显变化。
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