2,3,4,6-Tetrakis-O-(phenylmethyl)-D-glucopyranose → (2,4-Dichloro-5-((3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)-tetrahydro-2H-pyran-2-yl)phenyl)methanol

Participants

Reaction Steps

With similar method described in Step 3 of Example 92, (5-bromo-2,4-dichlorobenzyloxy)triisopropylsilane (compound 82, 41.7 g, 101 mmol) and 2,3,4,6-tetra-O-benzyl-D-glucopyranose (compound 2, 45.4 g, 84.0 mmol) were converted to title compound (47.6 g, 81%, ca. 8:1 mixture of anomers (13:0) as a white solid.

Provenance & Evidence