(2R)-2-(tert-butyldimethylsilyl)oxy-1,8-diiodooct-7-ene

ethyl (trans)-9-(trimethylsilyl)non-4-en-8-ynoate

(2R)-1,2-(1',2'-O-isopropylidene)dioxy-6-(tert-butyldimethylsilyl)oxyhexane