methyl (2S,3R,4R)-4-[5-(R)-benzyloxy-2,2,6-(6R)-trimethyl-1,3-dioxan-4-(R)-yl]-2,3-dihydroxy-pentanoate

1-[(2R,3R,4R,5R,6R)-6-[(S)-[(2R,4S,5S,6R)-4-(tert-Butyl-dimethyl-silanyloxy)-6-(4-chloro-butyl)-2-methoxy-5-methyl-tetrahydro-pyran-2-yl]-(4-methoxy-benzyloxy)-methyl]-3,4-bis-(4-methoxy-benzyloxy)-5-methyl-tetrahydro-pyran-2-yl]-propan-2-one

B-bromodicyclohexylborane

methyl (2S,3R,4R)-2,3-dihydroxy-4-[5-(R)-hydroxy-2,2,6-(6R)-trimethyl-1,3-dioxan-4-(R)-yl]-pentanoate

(2R,4S,5R)-9-chloro-5-hydroxy-2-(p-methoxybenzyloxy)-4-methyl-nonan-3-one