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Chemoenzymatic process for the stereoselective preparation of (R)-γ-amino-β-hydroxybutyric acid or (R)-carnitine from 3,4-dihydroxybutanenitrile
Chemoenzymatic process for the stereoselective preparation of (R)-γ-amino-β-hydroxybutyric acid or (R)-carnitine from 3,4-dihydroxybutanenitrile
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机译:从3,4-二羟基丁腈立体选择性制备(R)-γ-氨基-β-羟基丁酸或(R)-肉碱的化学酶法
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摘要
The present invention provides a chemoenzymatic process for the preparation of (R)-GABOB and (R)-carnitine employing lipase-mediated resolution of 3-hydroxy-4-tosyloxybutanenitrile as the key step. The drawing accompanying this specification represents the preparation of racemic 3-hydroxy-4-tosyloxybutanenitrile, its lipase-mediated kinetic resolution and its successful application in the preparation of (R)-GABOB and (R)-carnitine.
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