(S)-1-Hydroxymethyl-3-iodo-2,2,4-trimethyl-cyclohex-3-enol

(S)-3-(Chloromethyl-dimethyl-silanyloxy)-2,2-dimethyl-cyclohexanone

Trifluoro-methanesulfonic acid (4'aS,5'S,7'S,8'S,8'aS)-5'-(tert-butyl-dimethyl-silanyloxy)-8'-hydroxy-4'a-methyl-8'-trimethylsilanyloxymethyl-octahydro-spiro[[1,3]dioxolane-2,2'-naphthalen]-7'-yl ester

{(1S,2S,3S,4S,6R)-1-Benzyloxy-3-(2,2-dimethoxy-ethyl)-3-methyl-2-[2-(2-nitro-phenylselanyl)-ethyl]-7-oxa-bicyclo[4.2.0]oct-4-yloxy}-tert-butyl-dimethyl-silane

(1S,6S)-1-{(S)-[(1S,2R,3S,4S,6R)-1-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethoxy-ethyl)-3-methyl-7-oxa-bicyclo[4.2.0]oct-2-yl]-hydroxy-methyl}-2,2,4-trimethyl-7-oxa-bicyclo[4.1.0]hept-4-en-3-one