New research progress on 19132-06-0 in 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. name: (2S,3S)-Butane-2,3-diol, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 19132-06-0
(3S)-Acetoin and (2S, 3S)-2, 3-butanediol are important platform chemicals widely applied in the asymmetric synthesis of valuable chiral chemicals. However, their production by fermentative methods is difficult to perform. This study aimed to develop a whole-cell biocatalysis strategy for the production of (3S)-acetoin and (2S, 3S)-2, 3-butanediol from meso-2, 3-butanediol. First, E. coli co-expressing (2R, 3R)-2, 3-butanediol dehydrogenase, NADH oxidase and Vitreoscilla hemoglobin was developed for (3S)-acetoin production from meso-2, 3-butanediol. Maximum (3S)-acetoin concentration of 72.38 g/L with the stereoisomeric purity of 94.65% was achieved at 24 h under optimal conditions. Subsequently, we developed another biocatalyst co-expressing (2S, 3S)-2, 3-butanediol dehydrogenase and formate dehydrogenase for (2S, 3S)-2, 3-butanediol production from (3S)-acetoin. Synchronous catalysis together with two biocatalysts afforded 38.41 g/L of (2S, 3S)-butanediol with stereoisomeric purity of 98.03% from 40 g/L meso-2, 3-butanediol. These results exhibited the potential for (3S)-acetoin and (2S, 3S)-butanediol production from meso-2, 3-butanediol as a substrate via whole-cell biocatalysis.
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Reference：
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate