1-[(2R,4aR,6R,7R,8R,8aR)-8-Benzyloxy-7-(tert-butyl-dimethyl-silanyloxy)-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-hept-6-en-3-ol

1-[(2R,4aR,6R,7R,8R,8aR)-8-Benzyloxy-7-(tert-butyl-dimethyl-silanyloxy)-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-hept-6-en-3-one

3-[(2R,4aR,6R,7R,8R,8aR)-8-Benzyloxy-7-(tert-butyl-dimethyl-silanyloxy)-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-propionaldehyde

(2R,4S,4aR,6R,8aR)-4-Benzyloxy-6-but-3-enyl-2-(tert-butyl-dimethyl-silanyloxymethyl)-6-methoxy-hexahydro-pyrano[3,2-b]pyran-3-one

(2R,3R,4R,4aR,6R,8aR)-4-Benzyloxy-6-but-3-enyl-2-(tert-butyl-dimethyl-silanyloxymethyl)-6-methoxy-octahydro-pyrano[3,2-b]pyran-3-ol