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Synthesis 1992; 1992(12): 1201-1202
DOI: 10.1055/s-1992-26332
short paper
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Synthesis of Enantiomerically Pure and Compatibly Protected (2S,3R)- and (2S,3S)-Diaminobutyric Acids

U. Schmidt* , K. Mundinger, B. Riedl, G. Haas, R. Lau
  • *Institut für Organische Chemie und Isotopenforschung der Universität Stuttgart, Pfaffenwaldring 55, D-7000 Stuttgart 80, Germany
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Publication Date:
29 April 2002 (online)

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Enantiomerically pure (2S,3R)- and (2S,3S)-2, 3-diaminobutyric acids with Fmoc protected α-amino groups and compatibly protected β-amino groups [(2S,3R)- and (2S,3S)-3-(tert-butoxycarbonyl-amino)-2-(fluoren-9- ylmethoxycarbonylamino)butyric acid] can be prepared in decagram amounts starting from L-threonine and L-allothreonine via the corresponding hydrazides by the Mitsunobu reaction.