N-Fmoc-(2R,3S)-3-phenylisoserine is an N-Fmoc-protected form of (2R,3S)-3-phenylisoserine; a reagent used in the synthesis of Taxotere (D494422) and Taxol side chain.
Forro, E. et al.: Tetrahedron: Assym., 21, 637 (2010); Commercon, A. et al.: Tetrahedron. Lett., 33, 5158 (1992)