An enantioselective synthesis of (2S,3S)- and (2R,3S)-3-hydroxyleucine
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Add time:08/01/2019 Source:sciencedirect.com
α-Bromo β-hydroxy ester 2 was prepared in a preparative scale by a 96 : 4 enantioselective aldol reaction of t-butyl bromoacetate with isobutyraldehyde and converted efficiently to either (2S,3S)- or (2R,3S)-3-hydroxyleucine (7 or 11).
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