(3R,3aR,5S,6R,7S,7aS)-3,5-Bis-benzyloxy-7-(tert-butyl-dimethyl-silanyloxy)-6-hydroxy-octahydro-benzo[b]thiophene-6-carbaldehyde 在
四氧化锇 、 sodium dithionite 、
sodium amalgam 、
lithium diisopropyl amide 作用下,
以
吡啶 为溶剂,
反应 3.0h,
生成 (4S,5R)-4-Benzyloxy-1-[(3R,3aR,5S,6R,7S,7aS)-3,5-bis-benzyloxy-7-(tert-butyl-dimethyl-silanyloxy)-6-hydroxy-1,1-dioxo-octahydro-1λ
6-benzo[b]thiophen-6-yl]-6-(tert-butyl-dimethyl-silanyloxy)-5-methyl-hexane-1,2-diol