Abstract
Rh nanoparticles were investigated as a catalyst for hydroformylation of olefins in thermoregulated ionic liquid/organic biphasic systems composed of an ionic liquid, namely [CH 3 (OCH 2 CH 2 ) 16 N + Et 3 ][CH 3 SO 3 − ] (IL PEG750 ), and an organic solvent. This enables not only a homogeneous reaction but also easy biphasic separation. Under the optimized reaction conditions, the conversion of 1-octene and yield of aldehyde were 99% and 91%, respectively. The catalyst was easily separated from the product by phase separation and used eight times without evident loss of activity. 将具有“高温混溶、室温分相”功能的离子液体[CH 3 (OCH 2 CH 2 ) 16 N + Et 3 ][CH 3 SO 3 – ] (IL PEG750 ) 与甲苯-正庚烷组成的两相体系用于纳米 Rh 催化的烯烃氢甲酰化反应中, 在优化的反应条件下, 1-辛烯转化率和醛收率分别为 99% 和 91%. 催化剂经简单分相即可与产物分离, 且可连续使用 8 次, 其活性基本保持不变. Rh nanoparticles were used as a catalyst for hydroformylation of olefins in thermoregulated ionic liquid/organic biphasic system, giving a homogeneous reaction and biphasic separation.
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