Synthesis of β-chloro α-amino acids: (2S,3R)- and (2S,3S)-3-chloroleucine

Add time:08/22/2019    Source:sciencedirect.com

The first syntheses of (2S,3R)- and (2S,3S)-3-chloroleucine (3-chloro-d-leucines 1 and 2) have been achieved from d-3-hydroxyleucine and allo-d-3-hydroxyleucine, respectively, through the formation of the corresponding N-Cbz β-lactones, followed by a ring opening promoted by lithium chloride and a debenzylation process.

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