Nitrile as Activating Group in the Asymmetric Bioreduction of β-Cyanoacrylic Acids Catalyzed by Ene-Reductases
作者:Christoph K. Winkler、Dorina Clay、Nikolaus G. Turrini、Horst Lechner、Wolfgang Kroutil、Simon Davies、Sebastien Debarge、Pat O'Neill、Jeremy Steflik、Mike Karmilowicz、John W. Wong、Kurt Faber
DOI:10.1002/adsc.201301055
日期:2014.5.26
Asymmetricbioreduction of an (E)‐β‐cyano‐2,4‐dienoic acid derivative by ene‐reductases allowed a shortened access to a precursor of pregabalin [(S)‐3‐(aminomethyl)‐5‐methylhexanoic acid] possessing the desired configuration in up to 94% conversion and >99% ee. Deuterium labelling studies showed that the nitrile moiety was the preferred activating/anchor group in the active site of the enzyme over