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Biocatalytic transformations in ionic liquids

机译:离子液体中的生物催化转化

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摘要

Room temperature ionic liquids are non-volatile, thermally stable and highly polar; they are also moderately hydrophilic solvents. Here, we discuss their use as reaction media for biocatalysis. Enzymes of widely diverging types are catalytically active in ionic liquids or aqueous biphasic ionic liquid systems. Lipases, in particular, maintain their activity in anhydrous ionic liquid media; the (enantio)selectivity and operational stability are often better than in traditional media. The unconventional solvent properties of ionic liquids have been exploited in biocatalyst recycling and product recovery schemes that are not feasible with traditional solvent systems.
机译:室温离子液体是不挥发的,热稳定的和高极性的;它们还是中等亲水性溶剂。在这里,我们讨论了它们作为生物催化反应介质的用途。种类广泛的酶在离子液体或水性双相离子液体系统中具有催化活性。脂肪酶尤其在无水离子液体介质中保持活性。 (对映)选择性和操作稳定性通常优于传统介质。离子液体的非常规溶剂特性已在生物催化剂回收和产品回收计划中得到了利用,这在传统溶剂系统中是不可行的。

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