Stereospecific Synthesis of d-Isothreonine from l-Threonine
- 1 March 1979
- journal article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 52 (3) , 949-950
- https://doi.org/10.1246/bcsj.52.949
Abstract
D-Isothreonine, (2R,3S)-3-amino-2-hydroxybutanoic acid (4), was readily prepared by the ammonolysis of optically active 2-bromo-3-hydroxybutanoic acid derived from l-threonine. The configuration of 4 was deduced from the shift of molecular rotation, Cotton effect in ORD curve of 4, and NMR measurement of its oxazolidone derivative.Keywords
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