(2R,3R)-1-Benzyl-2-(tert-butyl-dimethyl-silanyloxymethyl)-1,2,3,6-tetrahydro-pyridin-3-ol

(2R,3R)-2-(tert-Butyl-dimethyl-silanyloxymethyl)-3-hydroxy-3,6-dihydro-2H-pyridine-1-carboxylic acid 2,2,2-trichloro-ethyl ester