(R)-3-(tert-Butyl-diphenyl-silanyloxymethyl)-pentan-1-ol

4-Nitro-benzoic acid (S)-2-ethyl-1,4-dioxa-spiro[4.5]dec-2-ylmethyl ester

tert-Butyl-[(E)-(R)-2-ethyl-5-((R)-2-ethyl-1,4-dioxa-spiro[4.5]dec-2-yl)-pent-4-enyloxy]-diphenyl-silane

(R)-2-Ethyl-5-((R)-2-ethyl-1,4-dioxa-spiro[4.5]dec-2-yl)-pentan-1-ol

(R)-2-Ethyl-2-((E)-(R)-4-ethyl-oct-5-enyl)-1,4-dioxa-spiro[4.5]decane