(S)-4-[(2R,3R,4R,5R)-4,5-Bis-benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-pyran-2-ylmethyl]-2-tert-butoxycarbonylamino-pent-4-enoic acid methyl ester

(2R,3R,4S,5R)-4,5-Bis-benzyloxy-2-hydroxymethyl-tetrahydro-pyran-3-ol

((2R,3R,4R,5R)-4,5-Bis-benzyloxy-2-vinyl-tetrahydro-pyran-3-yloxy)-tert-butyl-dimethyl-silane

2-[(2R,3R,4R,5R)-4,5-Bis-benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-pyran-2-yl]-ethanol

Trifluoro-methanesulfonic acid 1-[(2R,3R,4R,5R)-4,5-bis-benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-pyran-2-ylmethyl]-vinyl ester