(-)-(3S)-4-{[tert-butyl(diphenyl)silyl]oxy}-3-methylbutyl phenyl sulfone

(3S)-4-(4-methoxybenzyl)oxy-3-methylbutanenitrile

(3R)-3-((tert-butyldimethylsilyl)oxy)-4,4-dimethyl-1-oxacyclopentan-2-ol

(3S)-3-tert-butyldimethylsilyloxy-2,2-dimethylpent-4-en-1-ol