Tetrahedron Letters p. 7031 - 7034 (1995)
Update date:2022-08-11
Topics:
Williams, Lorenzo
Zhang, Zhongda
Ding, Xiaobin
Joullie, Madeleine M.
A practical and convenient procedure is described for the preparation of gram quantities of (2S, 3S)-3-hydroxyleucine. The key step involves the triflate-mediated cyclization of spirooxazolidine 4 to the spirobicyclic compound 5, which is easily converted to the title compound in high yield.
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