1-butyl-3-methylimidazolium-hexafluorophosphate and methylphenyl-carbinol

1-butyl-3-methylimidazolium-hexafluorophosphate has been researched along with methylphenyl-carbinol* in 1 studies

Other Studies

1 other study(ies) available for 1-butyl-3-methylimidazolium-hexafluorophosphate and methylphenyl-carbinol

ArticleYear
Kinetic resolution of (+/-)-1-phenylethanol in [Bmim][PF6] using high activity preparations of lipases.
    Bioorganic & medicinal chemistry letters, 2007, Feb-15, Volume: 17, Issue:4

    Lipases from two different sources Candida rugosa (CRL) and Burkholderia cepacia (BCL) were formulated as enzyme precipitated and rinsed with organic solvents, organic solvent rinsed enzyme preparation, cross-linked enzyme aggregates (CLEAs) and protein coated micro-crystals (PCMCs). These various enzyme formulates were evaluated for the kinetic resolution of (+/-)-1-phenylethanol in ionic liquid [Bmim][PF(6)] by transesterification with vinyl acetate. Of all the enzyme forms evaluated EPRP and PCMC in the case of CRL showed the best results with 26 % (E value=153) and 53% (E value=79) conversion, respectively, at 35 degrees C in 24h. Carrying out this conversion with PCMC at lower temperature of 25 degrees C further improved the E value to 453 (with 44% conversion in 12h). For BCL the acetone-rinsed enzyme preparation (AREP), CLEA and PCMC performed equally well with % conversion of 50 and 99 ee(p) (%) (E value >1000) in just 2h, whereas, the free lipase gave only 8% conversion.

    Topics: Benzyl Alcohols; Burkholderia cepacia; Candida; Chromatography, High Pressure Liquid; Hydrogen-Ion Concentration; Hydrolysis; Imidazoles; Kinetics; Lipase; Spectrophotometry, Ultraviolet; Stereoisomerism

2007