Biotechnological Development of a Practical Synthesis of Ethyl (S)-2-Ethoxy-3-(p-methoxyphenyl)propanoate (EEHP): Over 100-Fold Productivity Increase from Yeast Whole Cells to Recombinant Isolated Enzymes
Posted on 2012-02-17 - 00:00
The coupling of the enantioselective reduction catalyzed by Old Yellow Enzymes (OYEs), together with the in situ substrate feeding product removal (SFPR) concept, significantly improved the productivity of the g-scale preparation of ethyl (S)-2-ethoxy-3-(p-methoxyphenyl)propanoate (EEHP), an important precursor of several PPAR-α/γ agonists, such as Tesaglitazar. The OYEs and the glucose dehydrogenase for cofactor regeneration were cloned, overexpressed in Escherichia coli, and purified. The synthetic sequence was completed by a NaClO2 oxidation employing cheap and environmentally friendly conditions. The product was obtained in 94% yield and with an ee of 98% over the two steps.
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Bechtold, Matthias; Brenna, Elisabetta; Femmer, Christian; Gatti, Francesco G.; Panke, Sven; Parmeggiani, Fabio; et al. (2016). Biotechnological Development of a Practical Synthesis of Ethyl (S)-2-Ethoxy-3-(p-methoxyphenyl)propanoate (EEHP): Over 100-Fold Productivity Increase from Yeast Whole Cells to Recombinant Isolated Enzymes. ACS Publications. Collection. https://doi.org/10.1021/op200085k