(2S,4S)-4-(benzyloxy)-1-tosylhept-6-en-2-ol

((1R,3S)-3-Benzyloxy-1-ethyl-hex-5-enyloxy)-tert-butyl-diphenyl-silane

(4S,6R)-4-Benzyloxy-6-(tert-butyl-diphenyl-silanyloxy)-octanoic acid ethyl ester