(R)-3-((1S,4S,5S)-5-(4-((tert-butyldimethylsilyl)oxy)butanoyl)bicyclo[2.2.2]oct-2-en-2-yl)-4-isopropyloxazolidin-2-one

(R)-4-benzhydryl-3-((1S,4S,5S)-5-(4-((tert-butyldimethylsilyl)oxy)butanoyl)bicyclo[2.2.2]oct-2-en-2-yl)oxazolidin-2-one

11-(benzyloxy)-1-((tert-butyldimethylsilyl)oxy)undecane-4,7-dione

1-(2-allyltetrahydrofuran-2-yl)-7-(benzyloxy)heptan-3-one

2,2,3,3,16,16,17,17-octamethyl-4,15-dioxa-3,16-disilaoctadecane-8,11-dione