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General method for the synthesis of enantiomerically pure β-hydroxy-α-amino acids, containing fluorine atoms in the side chains. Case of stereochemical distinction between methyl and trifluoromethyl groups. X-Ray crystal and molecular structure of the nickel(II) complex of (2S,3S)-2(trifluoromethyl)threonine Vadim A. Soloshonok,Valeri P. Kukhar,Sergei V. Galushko,Nataly Yu. Svistunova,Dimitri V. Avilov,Nadia A. Kuz'mina,Nicolai I. Raevski,Yuri T. Struchkov,Alexander P. Pysarevsky,Yuri N. Belokon J. Chem. Soc. Perkin Trans. 1 1993 3143