(-)-(2S,3R,4S,6R)-7-[(tert-butyldiphenylsilyl)oxy]-2,3-epoxy-2,4,6-trimethylheptan-1-ol

(+)-(2S,3R,6R)-7-[(tert-butyldiphenylsilyl)oxy]-2,6-dimethyl-2,3-epoxy-4-methyleneheptan-1-ol

(+)-(2R)-1-[(tert-butyldiphenylsilyl)oxy]-2-methyl-5-[(4R')-2',2',4'-trimethyl-1',3'-dioxolan-4'-yl]-4-(trimethylsilylmethyl)pent-4-ene