(R)-1-(diallylamino)-5-(trityloxy)pentan-3-ol

(R)-N,N-diallyl-5-(benzyloxy)-3-hydroxypentanethioamide

(R)-N,N-diallyl-5-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)pentanethioamide

(R)-tert-butyl 7-(benzyloxy)-5-((tert-butyldimethylsilyl)oxy)-3-oxoheptanoate

tert-butyl 2-((4R,6R)-6-(2-(benzyloxy)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate