Enzyme identification and development of a whole‐cell biotransformation for asymmetric reduction of o‐chloroacetophenone

R Kratzer, M Pukl, S Egger, M Vogl… - Biotechnology and …, 2011 - Wiley Online Library
Abstract Chiral 1‐(o‐chlorophenyl)‐ethanols are key intermediates in the synthesis of
chemotherapeutic substances. Enantioselective reduction of o‐chloroacetophenone is a …

[HTML][HTML] Pushing the limits: Cyclodextrin-based intensification of bioreductions

C Rapp, B Nidetzky, R Kratzer - Journal of Biotechnology, 2021 - Elsevier
The asymmetric reduction of ketones is a frequently used synthesis route towards chiral
alcohols. Amongst available chemo-and biocatalysts the latter stand out in terms of product …

Enantioselective bioreduction of acetophenone and its analogous by the fungus Trichothecium sp.

D Mandal, A Ahmad, MI Khan, R Kumar - Journal of Molecular Catalysis B …, 2004 - Elsevier
Whole cells of the fungus Trichothecium were found to be an effective biocatalyst for the
enantioselective bioreduction of acetophenone and its analogous compounds to their …

Scale‐up and intensification of (S)‐1‐(2‐chlorophenyl)ethanol bioproduction: Economic evaluation of whole cell‐catalyzed reduction of o‐Chloroacetophenone

T Eixelsberger, JM Woodley… - Biotechnology and …, 2013 - Wiley Online Library
Escherichia coli cells co‐expressing genes coding for Candida tenuis xylose reductase and
Candida boidinii formate dehydrogenase were used for the bioreduction of o …

Whole-cell bioreduction of aromatic α-keto esters using Candida tenuis xylose reductase and Candida boidinii formate dehydrogenase co-expressed in Escherichia …

R Kratzer, M Pukl, S Egger, B Nidetzky - Microbial Cell Factories, 2008 - Springer
Background Whole cell-catalyzed biotransformation is a clear process option for the
production of chiral alcohols via enantioselective reduction of precursor ketones. A wide …

Screening and reaction engineering for the bioreduction of ethyl benzoylacetate and its analogues

CDF Milagre, HMS Milagre, PJS Moran… - Journal of Molecular …, 2009 - Elsevier
Microbial reduction of benzoylacetates is already an established part of the synthetic toolbox
to obtain chiral ethyl 3-hydroxy-3-phenylpropionate although bioreduction yields are low to …

Regio and enantioselective reduction of t-butyl 6-chloro-3, 5-dioxohexanoate with baker's yeast

M Wolberg, IA Kaluzna, M Müller, JD Stewart - Tetrahedron: Asymmetry, 2004 - Elsevier
Whole baker's yeast cells reduce t-butyl 6-chloro-3, 5-dioxohexanoate regioselectively to the
corresponding C5 hydroxy keto ester. While the (R)-alcohol was favored, the …

Applying slow-release biocatalysis to the asymmetric reduction of ethyl 4-chloroacetoacetate

JY Houng, JS Liau - Biotechnology letters, 2003 - Springer
Amberlite XAD 2 resin enhanced the asymmetric reduction of ethyl 4-chloroacetoacetate
(ECA) to S-4-chloro-3-hydroxybutyric acid ethyl ester as catalyzed by Saccharomyces …

Highly Enantioselective Production of Chiral Secondary Alcohols with Candida zeylanoides as a New Whole Cell Biocatalyst

E Şahin, E Dertli - Chemistry & Biodiversity, 2017 - Wiley Online Library
The increasing demand for biocatalysts in synthesizing enantiomerically pure chiral alcohols
results from the outstanding characteristics of biocatalysts in reaction, economic, and …

Reductive enzymatic dynamic kinetic resolution affording 115 g/L (S)-2-phenylpropanol

C Rapp, S Pival-Marko, E Tassano, B Nidetzky… - BMC …, 2021 - Springer
Background Published biocatalytic routes for accessing enantiopure 2-phenylpropanol
using oxidoreductases afforded maximal product titers of only 80 mM. Enzyme deactivation …