[(2R,4R,6S)-2-((S)-1-Methyl-2-oxo-ethyl)-6-phenylsulfanyl-tetrahydro-pyran-4-yl]-acetonitrile

{(2R,4R)-2-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-ethyl]-6-ethoxy-tetrahydro-pyran-4-yl}-acetonitrile