3-hydroxy acetal silyl ether

(1SR,2SR,4RS,7SR)-spiro(3-oxatricyclo[5.2.0.0]nonane-8,2'-[1,3]dioxolane)

3-cyclohexylpropyl-1-yn-3-ol

(2R,3S)-2-((R)-3-((tert-butyldimethylsilyl)oxy)-3-cyclohexylprop-1-yn-1-yl)spiro[bicyclo[4.2.0]octane-7,2'-[1,3]dioxolan]-3-ol

(1R,2S,3R,6S)-2-((S)-3-((tert-butyldimethylsilyl)oxy)-3-cyclohexylprop-1-yn-1-yl)spiro[bicyclo[4.2.0]octane-7,2'-[1,3]dioxolan]-3-yl ((R)-1-(naphthalen-1-yl)ethyl)carbamate