(2R,4S,5R)-5-Benzyloxy-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2,4-dimethyl-pentan-1-ol

(2S,3R,4S,6R)-ethyl 7-(t-butyldimethylsilyloxy)-2,3-dihydroxy-4,6-dimethylheptanoate

(2R,3R,4S,6R)-3-benzyloxy-7-(t-butyldimethylsilyloxy)-4,6-dimethyl-1,2-heptanediol

(2R,3R,4S,6R)-7-(t-butyldimethylsilyloxy)-2,3-benzylidendioxy-4,6-dimethyl-1-heptanol

(4S,5R)-5-[(1S,3R)-4-(tert-Butyl-dimethyl-silanyloxy)-1,3-dimethyl-butyl]-2-phenyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

[(2R,4S,5R)-5-Benzyloxy-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2,4-dimethyl-pentyloxy]-tert-butyl-dimethyl-silane