(-)-(S)-4-(tert-butyl-diphenyl-silanyloxy)-3-methyl-thiobutyric acid S-ethyl ester

(-)-(3R,5S)-6-(tert-butyl-diphenyl-silanyloxy)-3,5-dimethyl-hexanethioic acid S-ethyl ester

(-)-tert-butyl-((2S,4R)-2,4-dimethylhept-6-ynyloxy)diphenylsilane

(-)-tert-butyl-((2S,4R,E)-7-iodo-2,4,6-trimethylhept-6-enyloxy)diphenylsilane

(-)-tert-butyldiphenyl((2S,4R,E)-2,4,6-trimethyloct-6-enyloxy)silane