Green bioprocesses in sponge-like ionic liquids

Abstract

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Fe(SO4)3‐Catalyzed Synthesis of Terpenic Alcohols Esters: A Simple and Bifunctional Reusable Solid Catalyst

“…Previously, we have found that among different metal salts, the Fe(NO 3 ) 3 was the most active and selective catalyst in esterification reaction of terpenic alcohols carried in homogeneous phase, without or with solvent (i. e., CH 3 CN) . Moreover, another iron(III) salt (i. e., Fe 2 (SO 4 ) 3 ), was very efficient in FFA esterification reactions, an evidence that it would also be active in terpenic alcohols esterification …”

“…Lozano et al. esterified terpenic alcohols with HOAc in enzymatic in a two‐steps process . The first step, an enzymatic reaction in a liquid phase (i. e., reactants, enzyme, and ionic liquid); the second one, a product separation step involving a simple cooling/centrifugation as a solid phase.…”

Development of Ionic Liquid‐Water‐Based Thermomorphic Solvent (TMS)‐Systems for Biocatalytic Reactions

“…TMS‐systems based on ILs and organic solvents are typically well known for transition metal catalysis, e.g., hydroformylation and olefin metathesis (see Figure B) . An analogous biocatalytic example is the use of sponge‐like ILs and methanol, which was presented by Lozano et al for the methanolysis of triolein and required a heterogenized lipase.…”

Phosphonium alkyl PEG sulfate ionic liquids as coating materials for activation of Burkholderia cepacia lipase

“…Lipases are the most widely used enzymes applicable for organic synthesis, however, the reaction rates are significantly dependent on the reaction media and very slow reactions or poor enantioselective reactions are sometimes obtained [1]. Ionic liquids (ILs) [2, 3] have emerged as useful non‐aqueous reaction media for biochemical reactions [4–8], particularly for lipase‐catalyzed transesterifications [9–40]. We have been investigating the use of ILs in enantioselective lipase‐catalyzed reactions, and have established methodologies for a recyclable use system of lipase in an ionic liquid reaction medium [12].…”