Add time:08/05/2019         Source:sciencedirect.com

Efficient syntheses of (2R)-2-Boc-amino-3-phenylsulfonyl-l-propanol 3 and its enantiomer 9 from L-serine are described. The potential of these compounds in a novel general method for the synthesis of optically pure non protein α-amino acids in both the L and D configurations is exemplified by the preparation of N-Boc-L-and D-homophenylalanine, -norvaline and -norleucine.

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