作者: Behnaz Behrouzian , Fu Fan , Michael D. Clay , Derek J. Smith , Shiwei Song
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摘要: The present invention relates to non-naturally occurring polypeptides useful for preparing armodafinil, polynucleotides encoding the polypeptides, and methods of using polypeptides. are effective in carrying out biocatalytic conversion (i) 2-(benzhydrylsulfinyl)acetamide (−)-2-[(R)-(diphenylmethyl)sulfinyl]acetamide (armodafinil), or (ii) benzhydryl-thioacetic acid (R)-2-(benzhydrylsulfinyl)acetic acid, which is a pivotal intermediate synthesis enantiomeric excess.