4-{3,5-bis(tert-butyldimethylsilyloxy)-2-[3-(tert-butyldimethylsilyloxy)-4-phenoxybutyl]cyclopentyl}-1-butanol

(R)-4-((tert-butyldimethylsilyl)oxy)-2-iodocyclopent-2-enone

(R)-4-Bromo-1-phenoxy-butan-2-ol

(R)-2-(tert-butyldimethylsilyloxy)-4-iodo-1-phenoxybutane

(4R)-2-[4-(benzyloxy)butyl]-4-(tert-butyldimethylsilyloxy)-2-cyclopenten-1-one