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固定化离子液体是将离子液体通过物理吸附或化学键合等方法与固载材料结合而成,不仅保持了离子液体稳定性好、挥发性低、结构可优化等特点,还提高了离子液体的催化活性和重复利用性。固定化离子液体广泛应用于缩合、偶联及不对称合成等反应中。本文介绍了固定化离子液体的制备、固载材料的分类、结合方式及固定化离子液体在有机合成中的应用进展。
Immobilized ionic liquid is the ionic liquid by physical adsorption or chemical bonding and other methods combined with the immobilization of the material, not only to maintain the ionic liquid stability, low volatility, the structure can be optimized features, but also improve the catalytic ionic liquid Activity and reusability. Immobilized ionic liquids are widely used in condensation, coupling and asymmetric synthesis reactions. This article describes the preparation of immobilized ionic liquids, the classification of immobilized materials, the combination of immobilized ionic liquids and their applications in organic synthesis.